Sam Ash Music ST5 Wireless Microphone User Manual Stage5 55 ownman 2

Sam Ash Music Corporation Wireless Microphone Stage5 55 ownman 2

Users Manual Revised

WIRELESSANDWIRELESS SYSTEMTRUE DIVERSITYWIRELESS SYSTEM
Copyright 2002, Samson Technologies Corp.Printed September 2002Samson Technologies Corp.575 Underhill Blvd.P.O. Box 9031Syosset, NY 11791-9031Phone: 1-800-3-SAMSON (1-800-372-6766)Fax: 516-364-3888Table of ContentsIntroduction 3Guided Tour - SR55 Receiver Front Panel 5Guided Tour - SR55 Receiver Rear Panel 6Guided Tour - SR5 Receiver Front Panel 7Guided Tour - SR5 Receiver Rear Panel 8Guided Tour - ST5 Transmitter 9Guided Tour - HT5 Transmitter 11Setting Up and Using Your Stage 55 Series / Stage 5 Series System 12Appendix B: Carrying Case 15Specifications 16
3IntroductionCongratulations on purchasing the Samson Stage 55 Series or Stage 5 Series WirelessSystem! Although this product is designed for easy operation, we suggest you first takesome time to go through these pages so you can fully understand how we’ve implementeda number of unique features.Every wireless system consists of at least two components—a transmitter and a receiver,both of which must be tuned to the same channel (that is, the same radio frequency) inorder to operate correctly.* The Samson Stage 55 Series or Stage 5 Series system youhave purchased operates in the 174.0 - 216.0 MHz frequency range and contains either aSR55 or SR5 receiver as well as one of the following transmitters: a ST5 belt-packtransmitter (for lavaliere microphone or headset applications); a ST5 belt-pack transmitter(for instrument applications); or a HT5 hand-held microphone transmitter. For convenienceand security, the Stage 55 Series and Stage 5 Series system is packaged in a customimpact-resistant polypropylene plastic carrying case that provides room for all components(see Appendix B for more information).The ST5L beltpack transmitter provides a locking 3.5 mm mini-phone jack for connection tothe various Stage series transmitters including:LM5 - Lavaliere condenser microphoneHS5 - Headset condenser microphoneGC5 - Heavy-duty Guitar/Instrument cable The HT5 hand-held microphone transmitter is equipped with the Samson Q7 neodymiumdynamic microphone element.* Your receiver and transmitter have been factory preset to utilize the same channel.The SR5 receiver provided with the STAGE 5 Series wireless system utilizes non-diversitytechnology, incorporating a single antenna for ease of use and minimal cost. The SR55receiver provided with the Stage 55 Series system utilizes an advanced technologycalled “Diversity,” whereby a single chassis houses two antennas (called “Antenna A” and“Antenna B”) and a receiver circuit. An advanced circuit design continuously scans RF sig-nals from the two antennas and determines which one has the clearest and strongestreception, automatically (and silently) switching that signal to the receiver. This allows youto maintain the wireless communication link over a much broader area range than would beallowed by a receiver utilizing a single antenna and also virtually eliminates multipathdropouts, interference and phase cancellation problems. In addition, special sample-and-hold linking circuitry ensures that correct phase correlation is maintained at all times, withno noise or pops during antenna switching. The result is performance which exceeds thatof conventional non-diversity systems and the highest quality audio fidelity available in anywireless system. Finally, the provision of a noise reduction circuit produces crystal-clearsound with minimized background noise and hiss.
4IntroductionIn this manual, you’ll find a more detailed description of the features of your Stage 55Series or Stage 5 Series system, as well as a guided tour through all components, step-by-step instructions for setting up and using your system and full specifications. If yourStage 55 Series or Stage 5 Series system was purchased in the United States, you’ll alsofind a warranty card enclosed—don’t forget to fill it out and mail it! This will enable you toreceive online technical support and will allow us to send you updated information aboutother Samson products in the future. If your Stage 55 Series or Stage 5 Series systemwas purchased outside of the United States, contact your local distributor for warrantydetails.SPECIAL NOTE for U.S. purchasers: Should your Stage 55 Series or Stage 5 Series sys-tem ever require servicing, a Return Authorization number (RA) is necessary. Without thisnumber, the unit will not be accepted. Please call Samson at 1-800-372-6766 for aReturn Authorization number prior to shipping your unit. Please retain the original packingmaterials and, if possible, return the unit in its original carton and packing materials.If your Stage 55 Series or Stage 5 Series system was purchased outside of the UnitedStates, contact your local distributor for servicing information.
5Guided Tour - SR55 Front Panel1: Antennas (A and B) - The antenna mountings allow full rotation for optimumplacement. In normal operation, both Antenna A (the antenna on the left) and Antenna B(the antenna on the right) should be placed in a vertical position. Both antennas can befolded inward for convenience when transporting the SR55. See the “Setting Up and UsingYour Stage 55 Series / Stage 5 Series System” section on page 12 in this manual for moreinformation about antenna positioning.2: Volume control - This knob sets the level of the audio signal being output through boththe balanced and unbalanced output jacks on the rear panel. Reference level is obtainedwhen the knob is turned fully clockwise.3: Audio Meter - This “ladder” display (similar to the VU bar meter used on audio devices)indicates the strength of the incoming audio signal. When the “0” segment is lit, the incom-ing signal is optimized at unity gain; when the “+6” segment is lit, the signal is overloading.When only the left-most “-20” segment is lit, the incoming signal is at just 10% of optimumstrength. If no segments are lit, little or no signal is being received. See the “Setting Upand Using Your Stage 55 Series / Stage 5 Series System” section on page 12 in this manu-al for more information.4: Squelch control - This control determines the maximum range of the SR55 beforeaudio signal dropout. Although it can be adjusted using the supplied plastic screwdriver, itshould normally be left at its factory setting. See the “Setting Up and Using Your Stage 55Series / Stage 5 Series System” section on page 12 in this manual for more information.5: ANT A/B LEDs - When signal is being received, one of these will be lit yellow, showingyou whether the (left) “A” or (right) “B” antenna is currently being used. The SR55 con-stantly scans its two antennas and automatically selects whichever is receiving thestrongest, clearest signal. This Diversity switching is completely inaudible, but it effectivelyincreases overall range while virtually eliminating potential interference and phase cancel-lation problems.6: RF Meter - This “ladder” display (similar to the VU bar meter used on audio devices)indicates the strength of the incoming radio signal. When the “100%” segment is lit, theincoming RF signal is fully modulated and at optimum strength. When only the secondmost left-most “10%” segment is lit, the incoming signal is at just 10% of optimum strength.If no segments are lit, little or no signal is being received. See the “Setting Up and UsingYour Stage 55 Series / Stage 5 Series System” section on page 12 in this manual for moreinformation.7: Power switch - Use this to turn the SR55 power on and off. 123 45 5176
6Guided Tour - SR55 Rear Panel1: DC input - Connect the supplied 12 volt, 250 mA power adapter here, using the strainrelief as shown in the illustration below. WARNING: The substitution of any other kind ofpower adapter can cause severe damage to the SR55 and will void your warranty.2: Balanced output* - Use this electronically balanced low impedance (600 Ohm) XLRjack when connecting the SR55 to professional (+4) audio equipment. Pin wiring is asfollows: Pin 1 ground (shield), Pin 2 high (hot), and Pin 3 low (cold).3: Audio Output Level switch - Sets the audio output level attenuation of the balancedoutput (see #4 below) to -20 dBm (line level) or -40 dBm (mic level). See the “Setting Upand Using Your Stage 55 Series / Stage 5 Series System” section on page 12 in this manu-al for more information.4: Unbalanced output* - Use this unbalanced high impedance (5K Ohm) 1/4" jack whenconnecting the SR55 to consumer (-10) audio equipment. Wiring is as follows: tip hot,sleeve ground.* If required, both the unbalanced and balanced outputs can be used simultaneously.1234-Using the strain relief: Gather up a loop of wire and pass it through the strain relief,then pass the adapter plug through the loop in order to create a knot.
7Guided Tour - SR5 Front Panel1: Antenna - The antenna mounting allows full rotation for optimum placement. In normaloperation, the antenna should be placed in a vertical position. It also can be folded inwardfor convenience when transporting the SR5. See the “Setting Up and Using Your Stage55 Series / Stage 5 Series System” section on page 12 in this manual for more informationabout antenna positioning.2: Volume control - This knob sets the level of the audio signal being output through boththe balanced and unbalanced output jacks on the rear panel. Reference level is obtainedwhen the knob is turned fully clockwise.3: Audio Meter - This “ladder” display (similar to the VU bar meter used on audio devices)indicates the strength of the incoming audio signal. When the “0” segment is lit, the incom-ing signal is optimized at unity gain; when the “+6” segment is lit, the signal is overloading.When only the left-most “-20”segment is lit, the incoming signal is at just 10% of optimumstrength. If no segments are lit, little or no signal is being received. See the “Setting Upand Using Your Stage 55 Series / Stage 5 Series System” section on page 12 in this manu-al for more information.4: Squelch control - This control determines the maximum range of the SR5 before audiosignal dropout. Although it can be adjusted using the supplied plastic screwdriver, it shouldnormally be left at its factory setting. See the “Setting Up and Using Your Stage 55 Series/ Stage 5 Series System” section on page 12 in this manual for more information.5: “TX” LED - Lights when carrier signal of sufficient strength is being received by theSR5.6: RF Meter - This “ladder” display (similar to the VU bar meter used on audio devices)indicates the strength of the incoming radio signal. When the “100%” segment is lit, theincoming RF signal is fully modulated and at optimum strength. When only the secondmost left-most “10%” segment is lit, the incoming signal is at just 10% of optimum strength.If no segments are lit, little or no signal is being received. See the “Setting Up and UsingYour Stage 55 Series / Stage 5 Series System” section on page 12 in this manual for moreinformation.7: Power switch - Use this to turn the SR5 power on and off. 123 45 76
8Guided Tour - SR5 Rear Panel1: DC input - Connect the supplied 12 volt, 250 mA power adapter here, using the strainrelief as shown in the illustration below. WARNING: The substitution of any other kind ofpower adapter can cause severe damage to the SR5 and will void your warranty.2: Balanced output* - Use this electronically balanced low impedance (600 Ohm) XLRjack when connecting the SR5 to professional (+4) audio equipment. Pin wiring is asfollows: Pin 1 ground (shield), Pin 2 high (hot), and Pin 3 low (cold).3: Audio Output Level switch - Sets the audio output level attenuation of the balancedoutput (see #4 below) to -20 dBm (line level) or -40 dBm (mic level). See the “Setting Upand Using Your Stage 55 Series / Stage 5 Series System” section on page 10 in this man-ual for more information.4: Unbalanced output* - Use this unbalanced high impedance (5K Ohm) 1/4" jack whenconnecting the SR5 to consumer (-10) audio equipment. Wiring is as follows: tip hot,sleeve ground.* If required, both the unbalanced and balanced outputs can be used simultaneously.1234-Using the strain relief: Gather up a loop of wire and pass it through the strain relief,then pass the adapter plug through the loop in order to create a knot.
9Guided Tour - SR5 / ST51: Input connector - The input device is connected here. The ST5 is supplied with eithera lavaliere, headset microphone or heavy-duty instrument cable terminating with a 1/4"plug, which are all connected to the transmitter via a locking 3.5mm mini-phone jack. 2: Battery level meter - This set of three multicolor LEDs indicates relative batterypower, indicating whether the installed battery is at low (red), mid (yellow) or high (green)strength. One or more of these will light whenever the SR5 or ST5 is powered on (see #5on the next page). When all three are lit, the battery is at maximum strength. When onlythe red “low” indicator lights, RF performance is degraded and the battery needs to bereplaced.3: Audio on-off switch - When set to the “on” position, audio signal is transmitted.When set to the “off” position, the audio signal is muted. Because the carrier signalremains during muting, no “pop” or “thud” will be heard. Note that turning this off does notturn off the transmitter power—it is simply a way to temporarily mute the transmission ofaudio signal. If you don’t plan on using the transmitter for extended periods, turn off thetransmitter power by using the power on-off switch (see #5 on the next page).4: Battery door release - Press gently inwards on these two indents in order to open thebattery door of the ST5L or ST5 and access the Power on-off switch (see #5 on the nextpage) and Gain control (see #6 on the next page).123AUDIO ONLOW MID HIGHBATTERY LEVEL44
10Guided Tour - SR5 / ST55: Power on-off switch* - Use this to turn the ST5 on or off (to conserve battery power,be sure to leave it off when not in use).6: Attenuation switch - The ST5 transmitter features a signal Attenuation switch that isused to select the input level of “0dB” or “-15dB”. This Attenuation switch has been factorypreset to “0dB” providing the optimum level for most microphone and instrument input sig-nals. If you are using a microphone or instrument with a high output signal, first try toadjust the Gain control as described in the following section. If you cannot attenuate thesignal low enough using the Gain control, use the supplied plastic screwdriver (see #9below) to turn the rotary Attenuation switch to the counter-clockwise position setting theST5 to “-15dB” level.7: Gain control (trimpot) - This input gain control has been factory preset to a nominallevel so we recommend that this be adjusted only if your signal is too high, or too low. Ifnecessary, however, you can use the supplied plastic screwdriver (see #9 below) to raiseor lower the ST5 Gain control. See the “Setting Up and Using Your Stage 55 Series /Stage 5 Series System” section on page 12 in this manual for more information.8: Battery holder - Insert a standard 9-volt alkaline battery here, being sure to observethe plus and minus polarity markings shown. We recommend the Duracell MN 1604 typebattery. Although rechargeable Ni-Cad batteries can be used, they do not supply adequatecurrent for more than four hours. WARNING: Do not insert the battery backwards; doingso can cause severe damage to the ST5 and will void your warranty.9: Plastic screwdriver - Specially designed for use in adjusting the ST5 Gain control (see#7 above) and/or receiver Squelch control (see #4 on pages 5 and 7). See the “Setting Upand Using Your Stage 55 Series / Stage 5 Series System” section on page 12 in this manu-al for more information.* Be sure to mute the audio signal at your external mixer or amplifier before turningtransmitter power on or off, or an audible pop may result.SAMSON 98567
11Guided Tour - HT51: Audio on-off switch - When set to the “on”position, audio signal is transmitted. When set tothe “off” position, the audio signal is muted.Because the carrier signal remains during muting,no “pop” or “thud” will be heard. Note that turningthis off does not turn off the transmitter power—it issimply a way to temporarily mute the transmissionof audio signal. If you don’t plan on using the HT5for extended periods, turn off its power by usingthe power on-off switch (see #3 below).2: Battery level meter - This set of three multi-color LEDs indicates relative battery power, indi-cating whether the installed battery is at low (red),mid (yellow) or high (green) strength. One or moreof these will light whenever the HT5 is powered on(see #3 below). When all three are lit, the batteryis at maximum strength. When only the red “low”indicator lights, RF performance is degraded andthe battery needs to be replaced.3: Power on-off switch* - Use this to turn theHT5 on or off (to conserve battery power, be sureto leave it off when not in use).4: Gain control (trimpot) - This input sensitivitycontrol has been factory preset to provide optimumlevel for the particular microphone capsule provid-ed with your Stage 55 Series or Stage 5 Series system and so we recommend that thisnot be adjusted manually. If necessary, however, you can use the supplied plastic screw-driver to raise or lower the input level. See the “Setting Up and Using Your Stage 55Series / STAGE 5 Series System” section on page 12 in this manual for more information.5: Battery holder - Insert a standard 9-volt alkaline battery here, being sure to observethe plus and minus polarity markings shown. We recommend the Duracell MN 1604 typebattery. Although rechargeable Ni-Cad batteries can be used, they do not supply ade-quate current for more than four hours. WARNING: Do not insert the battery backwards;doing so can cause severe damage to the HT5 and will void your warranty.* Be sure to mute the audio signal at your external mixer or amplifier before turning trans-mitter power on or off, or an audible pop may result.MIN MAXLEVELPOWERONOFF5341AUDIOLOW MID HIGHBATTERY LEVELCh2OFF ON2FCCIDCCRHT50168
12Setting Up and Using YourStage 55 Series/Stage 5 Series SystemThe basic procedure for setting up and using your Stage 55 Series or Stage 5 SeriesWireless System takes only a few minutes:1. For the Stage 55 Series / Stage 5 Series system to work correctly, both the receiverand transmitter must be set to the same channel. Remove all packing materials (savethem in case of need for future service) and check to make sure that the supplied receiverand transmitter are set to the same channel. If these channels do not match, contact yourdistributor or, if purchased in the United States, Samson Technical Support at1-800-372-6766.2. Physically place the receiver where it will be used (the general rule of thumb is tomaintain “line of sight” between the receiver and transmitter so that the person using orwearing the transmitter can see the receiver). Extend the antenna or antennas andplace them in a vertical position.3. Make sure the Power on-off switch in your ST5 belt-pack or HT5 handheld transmitteris set to “Off.”4a. If your system contains a ST5 belt-pack transmitter, press gently inwards on bothbattery cover release indents to open the battery door. Note that this door is hinged andnot intended to be removed from the transmitter case. Please use care when opening thisdoor as undue force will destroy the hinge.4b. If your system contains a HT5 handheld transmitter, unscrew the bottom section ofthe microphone by turning it counterclockwise and then slide it off.5. Place a fresh 9-volt alkaline battery in the transmitter battery holder, taking care toobserve the polarity markings. If you are using a ST5 belt-pack transmitter, gently replacethe battery door by swinging it up and pressing until it clicks. If you are using a HT5 hand-held transmitter, replace the bottom section of the microphone by sliding it on and thenscrewing it back on. Whichever transmitter you are using, leave it off for the moment.6. Make the physical cable connection between the SR55 or SR5 output jack and the lineor mic level audio input of your amplifier or mixer. If you are using the balanced XLR jack(preferable, since it will deliver an electromagnetically cleaner signal), be sure to set thereceiver rear panel Audio Output Level switch correctly.If required, both the balanced andunbalanced outputs can be used simultaneously. Leave your amplifier (and/or mixer) off atthis time.7. Turn the Volume knob on the SR55 or SR5 completely counterclockwise. Using thestrain relief, connect the supplied AC adapter to the DC Input on the rear panel of theSR55 or SR5, then plug the adapter into any standard AC outlet. Press the front panelPower switch to turn on the SR55 or SR5; the green “Power” LED will light up, but all otherfront panel LEDs will remain unlit.8. Turn on the power to the ST5 or HT5 transmitter (using its Power on-off switch); allthree Battery strength LEDs will light if the battery is sufficiently strong. At this point, theRF Meter on the front panel of the receiver will light. If you are using an SR55 receiver,either the “A” or “B” yellow LED on the front panel will also light, depending upon whichantenna is receiving the stronger signal.
13Setting Up and Using YourStage 55 Series/Stage 5 Series System9. Now it’s time to set the audio levels. Turn on your connected amplifier and/or mixer butkeep its volume all the way down. Next, make sure that your transmitter is unmuted bysetting its Audio switch to “On.” Then set the Volume knob on the SR55 or SR5 fullycounterclockwise. If you are using the HT5 transmitter or if you are using the ST5 transmit-ter with a connected lavaliere microphone or headset, speak or sing into the mic at a nor-mal performance level while observing the SR55 or SR5 front panel Audio Meter. If you areusing the ST5 transmitter with a connected instrument, play the instrument at normal per-formance level while observing the SR55 or SR5 front panel Audio Meter. If the “0” (unitygain) segment is lighting steadily, with just occasional higher excursions, the audio level iscorrectly set. If not, use the supplied plastic screwdriver to slowly adjust the HT5, or ST5Gain control (trimpot) until the SR55 or SR5 Audio Meter “0” (unity gain) segment lightssteadily (with occasional higher excursions). Then slowly raise the SR55 or SR5 Volumeknob to the 2 o’clock position (unity gain) and, finally, set the volume of your amplifier/mixeruntil the desired level is reached. If you are using a ST5 beltpack transmitter equipped witha lavaliere microphone, note that correct lavaliere placement is critical to sound quality.We recommend that you place it as shown in the illustration on the right—as close to yourmouth as possible but off to one side (to minimizenasality) and unobstructed by clothing. Bear in mindalso that omni microphones (mics which pick up sig-nal from all directions) are more prone to feedbackproblems than unidirectional (cardioid or supercar-dioid) ones; in general, you can avoid feedback bytaking care not to use any microphone directly in frontof a PA speaker (if this is unavoidable, try using anequalizer to attenuate those high- or mid-range fre-quencies which are causing the feedback “squeal-ing”).10. If you hear distortion at the desired volume level(or if the “+6” segment LED in the Audio Meter islighting frequently), first check that the SR55 or SR5rear panel Audio Output Level switch is set correctly.Next, make sure that the gain structure of your audiosystem is correctly set (consult the owners manual ofyour mixer and/or amplifier for details). If you still hear distortion, do the following:•If you are using a HT5 handheld transmitter or an ST5 transmitter with connectedlavaliere microphone or headset, its Gain control has been factory preset to provideoptimum level for the particular microphone model being used and so no adjustmentshould be necessary. Any distortion present should therefore simply be a matter ofthe microphone being too close to the mouth; try moving it further away. If this doesnot solve the problem, use the supplied plastic screwdriver to turn the Gain control(trimpot) on the HT5 or ST5 slowly counterclockwise until the distortion disappears.•If you are using a ST5 transmitter with an instrument such as electric guitar or bass,lower the output level of the instrument until the distortion disappears. Alternatively,you can use the supplied plastic screwdriver to turn the Gain control (trimpot) on theST5 slowly counterclockwise until the distortion disappears. Note that, following this setup procedure, you can always lower the Volume knob of theSR55 or SR5 in order to further attenuate the output signal if necessary.
14Setting Up and Using YourStage 55 Series/Stage 5 Series System11. Conversely, if you hear a weak, noisy signal at the desired volume level (and with theVolume control of the receiver turned fully clockwise), again make sure that the SR55 orSR5 rear panel Audio Output Level switch is set correctly and that the gain structure ofyour audio system is correctly set. If it is and the signal coming from the SR55 or SR5 isstill weak and/or noisy, do the following:•If you are using a HT5 transmitter or an ST5 transmitter with connected lavalieremicrophone or headset, its Gain control has been factory preset to provide optimumlevel for the particular microphone model being used and so no adjustment should benecessary. Any weakness of signal should therefore simply be a matter of themicrophone being too far from the mouth; try moving it closer. If this does not solvethe problem, use the supplied plastic screwdriver to turn the Gain control (trimpot) onthe HT5 or ST5 slowly clockwise until the signal reaches an acceptable level.•If you are using a ST5 transmitter with an instrument such as electric guitar or bass,raise the output level of the instrument until a good signal is achieved. Alternatively,you can use the supplied plastic screwdriver to turn the Gain control (trimpot) on theST5 slowly clockwise until the signal reaches an acceptable level.12. Temporarily turn down the level of your mixer/amplifier system and turn off the powerto your transmitter, leaving the SR55 or SR5 on. Then restore the previously set level ofyour mixer/amplifier. With the transmitter off, the receiver output should be totally silent—ifit is, skip ahead to the next step. If it isn’t (that is, if you hear some noise), you may need toadjust the receiver’s front panel Squelch control. When the Squelch control is at its mini-mum setting, the Stage 55 Series / Stage 5 Series system always provides maximumrange without dropout; however, depending upon the particular environment your system isused in, you may need to reduce that range somewhat in order to eliminate band noise orinterference when the transmitter is turned off. To do so, use the provided screwdriver torotate the Squelch control completely counterclockwise (to the “Min” position), then slowlyturn it clockwise until the noise disappears. If no noise is present at any position, leave it atits fully counterclockwise “Min” position (so as to have the greatest overall range available).13. When first setting up the Stage 55 Series or Stage 5 Series System in a new environ-ment, it’s always a good idea to do a walkaround in order to make sure that coverage isprovided for your entire performance area. Accordingly, turn down the level of your audiosystem and turn on both the transmitter and receiver. Then, with the transmitter unmuted,restore the level of your audio system and while speaking, singing, or playing your instru-ment, walk through the entire area that will need to be covered. As you do so, the “TX”LED on the front panel of the SR55 or SR5 should always remain lit. If you are using aStage 55 Series system, one of the yellow “A” and “B” LEDs on the SR55 receiver shouldalways be lit, though occasionally switching to show you which antenna is receiving thestronger signal. Always try to minimize the distance between transmitter and receiver asmuch as possible so that the strongest possible signal is received from all planned trans-mission points. In fixed installations such as A/V or corporate conference rooms or forextended range applications (where the transmitter and receiver are more than 150 feetapart), it may be desirable to angle the receiver antenna or antennas differently from theirvertical position or to install the receiver in the same room as the transmitters (and, if nec-essary, to extend the wiring to remote audio equipment).If you have followed all the steps above and are experiencing difficulties, contact yourlocal distributor or, if purchased in the United States, call Samson Technical Support(1-800-372-6766) between 9 AM and 5 PM EST.
Appendix A: Carrying CaseTo ensure the longevity of your Stage 55 Series / Stage 5 Series system, and for conve-nience when on the road, your Stage 55 Series / Stage 5 Series system includes animpact-resistant polypropylene plastic carrying case with foam rubber padding. As shownin the illustration below, custom cutouts in the interior padding provide secure placementfor all components in your system.15
16SpecificationsTransmitter (ST5 and HT5):Transmission Mode Frequency modulation, 130KF3E, 15 kHz peak deviationFrequency Range 174.00 MHz to 216.00 MHz, 25 frequenciesBand A (European / UK models) 160.10 to 177.90 MHzBand B (European / UK models) 189.10 to 210.10 MHzOSC System Crystal controlled, x12 multiplicationRF Power 5 mW (USA models), 2 mW (European / UK models)Operating Range 300 ft. Frequency Stability ± 10 ppmApprovals Complies with ETS 300 422 and FCC Part 74Radiating Harmonic and Spurious Emission Below limits of applicable regulationsAntenna Type InternalAudio Frequency Response 40 Hz to 15 kHz ±3 dBPre-Emphasis 50 µSecNoise Reduction System NE571 based compandorSignal To Noise Ratio > 100 dBMaximum Input Level 0 dBv (ST5), -20 dBv (VH3)T.H.D. < 1% @ 1 kHzCurrent Consumption 34 mA (typical)Battery Life (MN1604 9-volt alkaline) 6 hours (typical)Operating Temperature -10 to +55 degrees CControls ST5 Power On/Off, Audio On/Off, Attenuation (switch), Level Control (Trimpot)HT5 Power On/Off, Audio On/Off, Level Control (Trimpot)LED Indicator Battery high/medium/lowDimensionsST5 65 (W) x 22 (H) x 100 (D) mm (2.6 x .87 x 4 in.)HT5 37 (W) x 233 (H) mm (1.46 x 9.17 in.)Weight ST5 100 grams • 3.55 oz.HT5 200 grams • 7.1 oz.Receiver SR55 and SR5:Receiving SystemSR55 Single conversion Superheterodyne, DiversitySR5 Single conversion Superheterodyne, Non-DiversityFrequency Range 174.00 MHz to 216.00 MHz, 25 frequenciesBand A (European / UK models) 160.10 to 177.90 MHzBand B (European / UK models) 189.10 to 210.10 MHzReceiving Mode 130KF3ESensitivity < 3 µV for 20 dB SINAD, < 10 µV for 50 dB S/NSelectivity 120 kHz BW, nominal @ -6 dB, ± 300 kHz (adj CH), -75 dBSquelch Sensitivity 3 µV to 250 µV adjustableIntermediate Frequency 10.7 MHzLocal Oscillator System Crystal controlledNoise Reduction System NE571 based compandorDe-emphasis 50 µsec.Signal To Noise Ratio > 100 dB (IHF-A) line out, > 90 dB (IHF-A), mic outAudio Frequency Response 40 Hz to 15 kHz ±3 dBT.H.D. < 1% @ 1 kHzAudio Output Levels -10dB unbalanced (1/4" phone connector), -20 dBm / -40 dBm balanced (XLR connector)Audio Output Impedance 5 kΩunbalanced, 600 ΩbalancedAntennas 1/4 wavelength telescopicOperating Temperature -10 to +55 degrees CControls Volume, Squelch, Power LED IndicatorsSR55 Antenna A or B (2 LEDs) /AF Level (6 LEDs) / RF Level (6 LEDs)SR5 TX On / AF Level (6 LEDs) / RF Level (6 LEDs)Power Requirement 12 Volts DC, 100 mA typical (110 mA max.), AC adapter suppliedDimensions (W x H x D, without antennas) 216 x 44 x 116 mm (8.5 x 1.75 x 4.6 in.)Weight (including antennas) 20 g • 0.75 lb
FCC Rules and RegulationsSamson wireless systems are type accepted underFCC rules parts 74 and 15.Licensing of Samson equipment is the user’sresponsibility and licensability depends on the user’sclassification, application and frequency selected.This device complies with RSS-210 ofIndustry & Science Canada.Operation is subject to the following two conditions:(1) this device may not cause harmful interferenceand (2) this device must accept any interferencereceived, including interference that may cause undesired operation.Caution:Any modification to the equipment notexpressively authorized by the partyresponsible for compliance could void theusers's authority to operate the equipment.

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