Bryston Bp6 Users Manual
BP6DA to the manual 2b2880af-663f-4fb4-94e5-d82403b124ce
2015-02-02
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BP6 PREAMPLIFIER OWNER’S MANUAL For preamp models BP6, BP6DA & BP6P IMPORTANT SAFETY INSTRUCTIONS The lightning flash with arrowhead symbol within an equilateral triangle, is intended to alert the user to the presence of un-insulated “dangerous voltage “ within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons. The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the product. 1. Read these instructions. 2. Keep these instructions. 3. Heed all warnings. 4. Follow all instructions. 5. Do not use this apparatus near water. 6. Clean only with dry cloth. 7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions. 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat. 9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 11. Only use attachments/accessories specified by the manufacturer. 12. Use only with the cart, stand, tripod, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used use caution when moving the cart/apparatus combination to avoid injury from tip-over. 13. Unplug this apparatus during lightning storms or when unused for long periods of time. 14. Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as powersupply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR MOISTURE. DO NOT EXPOSE THIS EQUIPMENT TO DRIPPING OR SPLASHING AND ENSURE THAT NO OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, ARE PLACED ON THE EQUIPMENT. TO COMPLETELY DISCONNECT THIS EQUIPMENT FROM THE AC MAINS, DISCONNECT THE POWER SUPPLY CORD PLUG FROM THE AC RECEPTACLE. THE MAINS PLUG OF THE POWER SUPPLY CORD SHALL REMAIN READILY OPERABLE. BRYSTON LIMITED WARRANTY Bryston analog audio circuits are warranted to be free from manufacturing defects for twenty (20) years from the original date of manufacture. The warranty includes parts and labour. Bryston Digital circuits and cables are warranted for five years from the original date of manufacture. The warranty includes parts and labour. Bryston products having motorized moving parts, excluding motorized volume controls, are warranted for three years from the original date of manufacture. The warranty includes parts and labour. Bryston will remedy the problem by repair or replacement, as we deem necessary, to restore the product to full performance. Bryston will pay shipping costs one way (usually the return portion) during the first three years of warranty coverage. In the event of a defect or malfunction, contact Bryston’s repair centers for return authorization. Products must be returned using original packaging material only. Packing material may be purchased from Bryston if necessary. This warranty is considered void if the defect, malfunction or failure of the product or any component part was caused by damage (not resulting from a defect or malfunction) or abuse while in the possession of the customer. Tampering by persons other than factory authorized service personnel or failure to fully comply with Bryston operating instructions voids the warranty. This warranty gives you specific legal rights and you may also have other rights which may vary from province to province and country to country. As of 2006-02-22 Bryston will only warranty Bryston products purchased through authorized Bryston dealers. Bryston products with a date code of 0608 or higher (date code format is “yyww”, where “yy” is the two least significant digits of the year and “ww” is the week of the year) must be accompanied by a copy of the bill-of-sale from a Bryston authorized dealer to qualify for warranty service. The warranty is transferable from the original owner to a subsequent owner as long as a copy of the bill-of-sale from the original authorized Bryston dealer accompanies the re-sale. The copy of the bill of sale to any subsequent owner need ONLY include the Name of the Bryston Authorized Dealer and the Model and Serial number of the Bryston product The warranty will only be honored in the country of the original purchase unless otherwise pre-authorized by Bryston. BRYSTON SERVICE in CANADA: BRYSTON SERVICE in the USA: BRYSTON SERVICE outside Canada and the USA: Postal address: P.O. BOX 2170, Stn. Main PETERBOROUGH, ONTARIO CANADA K9J 7Y4 Courier address: 677 NEAL DRIVE PETERBOROUGH, ONTARIO CANADA K9J 6X7 79 COVENTRY ST., Suite 5 NEWPORT, VERMONT U.S.A. 05855-2100 contact your local distributor or PHONE: FAX: E-mail: 705-742-5325 705-742-0882 cdnser@bryston.ca PHONE: FAX: E-mail: 802-334-1201 802-334-6658 usaser@bryston.ca CHECK OUR WEB SITE: www.bryston.ca E-MAIL BRYSTON DIRECTLY: cdnser@bryston.ca FAX BRYSTON DIRECTLY: 01-705-742-0882 PHONE BRYSTON DIRECTLY: 01-705-742-5325 2 BP6 Preamplifiers GENERAL SPECIFICATIONS: Additional Specifications for BP6DA: Frequency Response: 20Hz-20kHz ±.05dB Input Sample Rate: 16kHz to 108kHz. Word Length: 16, 18, 20, 24 Bit SPDIF standard Maximum Output: 15 Vrms Data format: IMD/THD: <0.0015% at 3 volts out Signal to Noise Ratio: Sensitivity: Noise: 500 mV (excluding phono inputs) -100dB (Ref. 500mV input, 20-20kHz) BP6 Features: Base model 4 pair of line level inputs (8 gold plated RCA jacks) 1 tape loop (2 pair of gold plated RCA jacks) 2 pair of parallel outputs (2 pair gold plated RCA jacks) Distortion: < 0.002%, 20Hz-20kHz > 100dB Frequency Response: 20Hz-20kHz ±.1dB Additional Specifications for BP6P: Phono Inputs: Distortion: < 0.005%, IMD or THD, any frequency or combination of frequencies from 2020kHz, at rated output or below. BP6P Features: with Phono Equalization Module 3 pair of line level inputs (8 gold plated RCA jacks) 1 pair moving magnet Phono inputs (2 gold plated RCA jacks) 1 tape loop (2 pair of gold plated RCA jacks) 2 pair of parallel outputs (2 pair gold plated RCA jacks) Rated Noise: P hono: -80dBA referred to an input of 5 millivolts RMS @ 1kHz BP6DA Features: with Digital-to-Analog Converter Module 3 pair of line level inputs (8 gold plated RCA jacks) 1 SPDIF digital input (gold plated RCA jack) 1 tape loop (2 pair of gold plated RCA jacks) 2 pair of parallel outputs (2 pair gold plated RCA jacks) Serial Number, Date Code, Electrical Ratings & Model ATTENTION: To obtain the model number and serial RIAA Accuracy: W ithin less than +/- 0.05dB from 2020kHz inclusive Input sensitivity: 5mV number of this product please refer to the label attached to the rear panel. This label also contains electrical ratings and the date code (date of manufacture). The date code is a 4 digit Options: code wherein the first 2 digits are the two least significant Silver or Black faceplate, 17” or 19” wide digits of the year (e.g. “05” means the year 2005) and the Rack mount (17” faceplate plus two 1” rack ears) Hand held infra-red remote control (silver or black) last two digits are the week of the year (numbered from 01 to 52) Dimensions: 17” wide version (standard): 17” x 2.25” x 11” 43.2cm x 5.7cm x 28cm 19” wide version: 19” x 2.25” x 11” 48.3cm x 5.7cm x 28cm Rack mount version: 19” x 2.25” x 11” 48.3cm x 5.7cm x 28cm Weight: actual: 8.4 lb. (3.8Kg) shipping: 12 lb. (5.4Kg) 3 BP6 Preamplifiers INTRODUCTION Thank you for choosing a Bryston Preamplifier. Bryston welcomes any suggestions you may have, or comments regarding the operation of your amplifier. We consider you, our customer, to be Bryston’s most important resource, and your opinion is very much appreciated. There are three different variations of the BP6 preamp: ● BP6 this is the base model ● BP6DA includes a D/A converter with an SPDIF input ● BP6P includes Bryston’s discrete moving-magnet phono equalization stage N.B. We recommend that you keep all original packing materials in the event that your Bryston preamp may need to be returned for servicing. Any of the original packaging materials that Bryston needs to supply in order to safely return serviced equipment may be chargeable. SETUP Bryston BP6 pre-amps with the remote-control option, should be placed where there is a direct line-of-sight between the hand-held remote and the remote infra-red sensor eye located on the left side of the pre-amplifier’s front panel. If you purchased the BP6P, which includes a Phono section, avoid placing the preamplifier directly on top of your power amplifier. Power amplifiers usually employ large power supplies and the transformers) in the power supplies can cause interference (hum) with the sensitive phono section inside the pre-amp. ANALOG AUDIO CONNECTIONS to OTHER EQUIPMENT All inputs and outputs employ fully discrete active circuitry and all input and output connectors have gold plated contact surfaces. Only cables with high quality gold plated connectors should be used with your pre-amp to avoid noise and distortion from the corrosion that will eventually appear on poorly plated cable connectors. Connect the pre-amplifier’s left and right outputs to the appropriate left and right input jacks on your power amplifier. Connect your CD player, tuner, tape deck, video recorder, or laser disc, etc. to the specific left/right preamplifier inputs. With the phono stage equipped model (BP6P) connect your phono cables to the phono input jacks. If your turntable leads have a separate ground wire, it may be connected to the ground post adjacent to the phono inputs on the rear panel. The tape loop may be used to insert a surround sound processor, cassette tape deck or video tape recorder into your system. Plug your tape deck or external processor’s input cables into the “To Tape” jacks, and the processor or deck’s output cables into the “From Tape” jacks at the rear of the pre-amp. The tape or processor loop may be operated via the “Tape/normal” toggle switch located on the front panel of the preamplifier. HEADPHONE JACK A quarter inch stereo (3 conductor) headphone jack is locatede on the front panel of all BP6 pre-amps. We recommend the use of headphones with input impedances between 50 ohms and 600 ohms. Headphones with an impedance above 600 ohms may experience some problems attaining sufficient volume levels. The main outputs will be muted when a phone plug is inserted into the headphone jack. TAPE outputs are not muted. You can adjust the volume setting of the headphones by using the volume control on the front of the BP6 or by utilizing the remote control if your unit is so equipped. The headphones cannot be muted with the remote control unit. Use caution when disconnecting the headphones as the loudspeakers will be immediately reconnected at the volume level indicated by the front panel volume control. ANALOG AUDIO INPUTS BP6 preamplifiers are equipped with 4 pairs of RCA input connectors and one pair of RCA tape input jacks. All RCA jacks are gold plated. Input sensitivity is 500mV and input impedance is 50K ohms. See also PHONO EQUALIZATION MODULES for Phono input details. ANALOG AUDIO OUTPUTS There are two pairs of parallel RCA main outputs and one pair of RCA tape output jacks. They are capable of driving up to 15 volts into any load of 600 ohms or greater. TAPE LOOP Tape Outputs: The “TO TAPE” outputs are selected by the rotary ‘SELECTOR” knob and are provided as a recording output. This feed is unaffected by the operation of other front panel controls. Tape Inputs: The “FROM TAPE” (unbalanced RCA) inputs are useful for monitoring tape playback or processed signals. Moving the “Tape/Normal” toggle to Tape’ (up) position monitors the recorded signal on recorders equipped with a separate playback head, or the processed signal when using a signal processor. Input sensitivity is 500mv, input impedance is 10K ohms. REMOTE CONTROL (optional) The BP6 preamplifiers are available with an optional hand held infra-red remote control unit with the following functions: VOLUME is remotely controlled via the ▲ (up) and ▼ (down) arrow buttons. A motorized volume control ensures the lowest distortion with maximum long term reliability. It is also manually accessible on the front panel. MUTE attenuates the main outputs of the preamplifier, but not the tape outputs (labeled “To Tape”). 4 BP6 Preamplifiers MOVING MAGNET PHONO EQUALIZATION MODULE (optional) Bryston’s optional phono stage circuitry features highly accurate equalization, extremely low noise and distortion and provides headroom margins sufficient to prevent overload from any known phono source. If your turntable provides a separate ground lead system noise may be minimized by connecting it to the ground post adjacent to the phono inputs on the rear panel. Input impedance is 50K ohms and sensitivity is 5mV. DIGITAL AUDIO INPUT MODULE (optional) The BP6DA model contains one SPDIF compatible digital audio input. To select the digital audio input, set the rotary SELECTOR to DAC. The digital-to-analog convertor can handle input sample rates from 16KHz to 108KHz, and word lengths of 16, 18, 20 or 24 bits. VISUAL INDICATORS The bi-colour LED (light emitting diode) located on the front panel lights GREEN when the power is on and RED when the power is on and the output is muted FRONT PANEL CONTROLS: ● V OLUME CONTROL: Rotary control varies the output level to the main PREAMP OUT outputs (does not effect ‘TO TAPE’ outputs). ● B ALANCE CONTROL: is a tailored-inflection type which has very gradual action near the center of rotation allowing fine adjustments to the stereo image. For convenience the electrical center of the control is detented. ● S OURCE SELECTOR SWITCH: Rotary switch determines which input will appear at the “TO TAPE” outputs for recording or processing, as well as determining which program is available at the Main outputs. (When the “TAPE/NORMAL” switch is in “Tape” position, “FROM TAPE” inputs appear at Main Outputs). ● T APE/NORMAL SWITCH: “Normal” position monitors whichever input is selected at the rotary SELECTOR switch. “Tape” position provides monitoring of the “FROM TAPE” input for A/B comparison with the source. Should an external processor or equalizer be connected in the tape loop, the ‘TAPE / NORMAL” switch will act as an in/out switch for the external equipment. BRYSTON LTD., 677 NEAL DRIVE, P.O. BOX 2170, PETERBOROUGH, ONTARIO CANADA K9J 7Y4 BP6_MANUAL_20060324
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