Pyramid Car Audio Pa1000X Users Manual

PA800X to the manual 2f73fcfc-b892-46bd-8aa3-e2451187975a

2015-02-06

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Studio

PRO
High Performance Professional Audio

MODEL:PA600X/PA800X/PA1000X/
PA1800X PA AMPLIFIER
www.pyramidcaraudio.com

INTRODUCTION

Your New PYRAMID PA SERIES AMPLIFIER gives you the power and versatility you
need in a professional sound system.
The amplifier's wide frequency response makes it suitable for amplifying music
or vocal program material. It can be used for live bands, office paging systems,
public announcements, or a variety of other installations.
Please read this manual throughly before you attempt to set up and use the
amplifier. It contains a range of installation suggestions as well as instructions to
ensure safe usage. Installed properly, you can expect years of trouble-free service
from this product.

FEATURES AND CONTROLS

FRONT PANEL - PA600X/PA800X/PA1000X/PA1800X
PA600X

1 2

3

8

1

6

8

4

4

PA800X

1 2

3

8

6

4

8

5

4

PA1000X

1 2

3

8

4

6

7

8

6

5

4

PA1800X

2

8

1
2

8

3

FRONT PANEL - PA600X/PA800X / PA1000X/PA1800X

1.Power On/Off
2.Phone Jack
Lets you connect a pair of stereo headphones for private listening or cueing (monitoring) sound
prior to "airing" it.

3.Speaker A/B Selector Switches
Permit you to select speakers attached to terminal set A, set B, or both.

4.Left and Right Power Meters (PA800X/PA1000X/PA1800X)
Indicate the output signal level for each channel.

5.Meter Range Switch (PA800X/PA1000X)
Controls the sensitivity of the power meter.

6.Clip Circuit and Indicator
This special circuitry protects the amplifier and speaker system from being damaged by overdriving
power levels. Indicator lights remind the user to reduce the volume when amplifier output is
excessive.

7.Protection Circuit and Indicator (PA1800X)
The indicator will be illuminated when the amplifier is powered on and at turn-on delay status;
the indicator will be turned off after internal outputs are connected. The indicator will also be
illuminated when the amplifier has abnormal problems, such as overload or excessive heat.

8.Left and Right Output Level Controls
Lets you adjust the sound levels for each channel.
In the mono bridged mode (PA1000X/PA1800X), only the left gain control will adjust the output
level.

REAR PANEL - PA600X

e

q

9
3

REAR PANEL - PA800X / PA1000X / PA1800X
r

e

w

q

9

t

0

REAR PANEL - PA600X / PA800X / PA1000X / PA1800X
9.Voltage Switch
The amplifier has selectable input voltage from 110V/60Hz which is the standard in USA and
CANADA. You can also switch the input voltage to 220V/50Hz for EUROPEAN operation. Please
make sure the switch is in the proper position before operating, otherwise severe damage will
result not cover by the warranty. Please also replace the fuse with proper rating in this situation
(see the SPECIFICATIONS for the fuse rating).

10.Switched AC Accessory Outlet (PA800X/PA1000X/PA1800X)
There is supplied AC OUTLET (SWITCHED MAX. 400W) which allow the electrical hook up of
other units.

11.Speaker Terminals
Permits hook up of two stereo pair of speakers via the wire terminals. You can choose either
Channel A , Channel B, or use both at the same time. Speaker impedance can range from 4
to 16 Ohms.

12.Fan Cooling (PA800X/PA1000X/PA1800X)
Cooling system is automatically activated whenever amplifier is turned on. This forced air cooling
system rapidly exhausts interior heat, reducing operating temperature and aiding performance.

13.Input Jacks
Let you connect a variety of audio input sources via the balanced 6.35mm phone jack or
unbalanced RCA inputs.

14.Stereo/Mono Switch (PA1000X/PA1800X)
Lets you select bridged mono input mode in combination with a mono signal source plugged
into the LEFT input channel, or conventional stereo operation with a stereo input signal.

15.Mono Bridged Output (PA1000X/PA1800X)
Connect the speaker's positive (+) to the amplifier's LEFT/RED (+) terminal and negative (-) to
the amplifeir's RIGHT/RED (+) terminal.

4

Stereo or Mono Inputs (PA1000X/PA1800X)

INSTALLATION GUIDELINES

The PA1000X and PA1800X can be operated in Stereo
or Mono mode, depending on the input source. If the
input signal is mono, connect the source via the LEFT
input only (also marked "MONO" on the back of
amplifier). Then slide the STEREO/MONO selector
switch to MONO and the signal will be routed through
both channels.

Connecting the GND (GROUND) screw terminal
Connecting a mixer or preamplifier may cause
excessive noise or hum in the amplifier output. To
prevent this, connect one end of a low-capacitance
shield wire to the amplifier's ground screw (on the
rear panel). Then connect the other end of this wire
to the ground terminal on the mixer or preamplifier
enclosure.

MONO SIGNAL SOURCE
EQ OR MIXER

STEREO/MONO SWITCH IN
"MONO" POSITION

Speaker connections

LOW CAPACITANCE SHIELD WIRE

GROUND SCREW

You can connect 4 Ohm, 8 Ohm, or 16 Ohm speakers
to Channel A and/or Channel B of the amplifier. If you
connect two pairs of speakers, be sure to follow these
guidelines:
• Speakers which are connected to the same channel
are part of a pair, and must be of the same impedance.
• Speakers connected to different channels are NOT
part of a pair, and can be of different impedances.

Input connections
These amplifiers accept a board range of input sources,
including Compact Disc (CD) players; Cassette, Reelto-Reel or other tape players; Radio Tuners; Equalizers;
Signal Processors.

Connecting a CD or tape player, or tuner
In a normal installation, one would use the RCA
JACKS for connecting a CD player, tape player or
tuner.

use RCA jacks

1.Prepare the speaker wire by removing about 1 inch
of insulation from the end of speaker wire you intend
to connect to the amplifier. Then twist the exposed
wire to secure all the wire strands.
NOTE:Use 18-gauge speaker wire for lengths up to 25
feet; 16-gauge wire for lengths over 25 feet. It
is recommended that you use the shortest length
of wire possible.
2.Connect the speaker wire to the speaker's positive
and negative terminals.

CD PLAYER, TAPE PLAYER
OR TUNER

NOTE:Most speaker terminals are either color-coded
or have a mark that indicates the terminal's
polarity. Usually positive terminals are red or
have a plus symbol (+), and negative terminals
are black or have a minus symbol (-).

Connecting an equalizer or external signal
processor
Connect the processor's OUT to the amplifier's IN
connector.
EQ OR MIXER

3.Connect the speaker wires to the amplifier's left and
right speaker terminals according to the terminal
color polarity.

use 6.35mm phone jacks

R

L 4 OHMS
MIN. IMPEDANCE
SPEAKER MUST BE OF
SAME IMPEDANCE.

use RCA jacks

EQ OR MIXER

5

Bridge Mode Operation (PA1000X/PA1800X)

Turning the amplifier on

The PA1000X and PA1800X can be operated in mono
bridged output mode, if your speakers can handle the
following power output levels:

1.Turn on the audio input source equipment which is
connected to the amplifier INPUT jack.
2.Set the amplifier's left and right output level gain
controls to the minimum level settings.
3.Press the power switch to turn the amplifier on.

PA1000X: 320 watts
PA1800X: 420 watts

Using the power meter (PA800X/PA1000X/PA1800X)

As shown in the diagram below, connect the speaker's
positive (+) to the amplifier's red speakers left (A/B)
terminals and negative (-) to red speakers right (A/B)
terminals.

The meter POINTER (PA800X/PA1000X) and/or LED
(PA1800X) position indicate the amplifier output power.
For ease of reading in dark environments, the VU meter
(PA800X/PA1000X) is illuminated.

The speaker righr (+) on the amplifier is used a negative
(-) terminal for a bridged connection.

Using the meter range selector (PA800X/PA1000X)

NOTE: IT IS SUGGESTED TO USE A 8-OHM SPEAKER
FOR THE ONE CHANNEL BRIDGE HOOKUP. IF
YOU CONNECT TWO CHANNELS' BRIDGE
HOOKUP, PLEASE MAKE SURE THE SPEAKER
IMPEDANCE MUST BE 8-OHM MINIMUM.

STEREO/MONO SWITCH IN
"MONO" POSITION

When output power is too strong, the meter's pointer
might continuously swing to the extreme right and
damage or reduce the accuracy of the meter. To protect
the meter, you can use the meter range selector to
control the amplifier's sensitivity to the input power
signal.
Leave the meter range switch in the OUT position to
maintain a 0 dB gain for the mater. When output power
is not strong, leave the meter range switch in the IN
position to allow a +20dB gain.

BRIDGED SPEAKER
HOOKUP

Using the left and right Output Level controls
Rotate output level gain clockwise to increase, or
counterclockwise to decrease the output power. To get
the best performance with the leaset sound distortion,
always adjust the output level gain so the meter's level
indication does not continuously exceed to the extreme
right.

Using headphones
To listen privately, or to monitor sound sources, connect
a pair of low impedance stereo headphones (not
supplied) with 6.35mm plug into the PHONES jack on
the amplifier front panel.
Please listen safely. Follow these recommendations:
Do not listen at extremely high volume levels. Extended,
high-volume listening can lead to permanent hearing
loss.

CAUTION: It is possible to overdrive the amplifier by
setting output level gain too high, which may
cause damage or failure.

About the internal clip circuitry
Special clip circuitry incorporated into your amplifier's
design protects the amplifier and speaker system from
being damaged from overdriving power.

Always start with the volume control set to a LOW level
BEFORE you put the headphones on. Then gradually
increase the volume as necessary.

Under normal conditions, the amplifier's clip indicator
will flicker as the output power momentarily exceeds
the level as set by the output level gain selector.

Connecting to standard AC power
After making all other connections, set the POWER
switch to OFF position. Then connect the power
cord to a standard AC outlet.

However, under excessive output conditions, the clip
indicator lights remain on continuously, altering you
that the special clip circuitry has become active. When
this occurs, you should simply reduce the output power
level by rotating the Master Volume control
counterclockwise.

Mounting the amplifier
This amplifier is designed to accept standard rack
mounting installations. Two slots on each end of
the front panel make it suitable for such an
installation.
Tightly secure four mounting screws (not supplied)
through these four slots and into your standard
electronics equipment rack.

Using the A/B Speaker Selector Switch
You can listen to speakers on set A or set B individually
or simultaneously. Simply push in or out the desired
speaker set to make your selection.
6

CAUTION: If the impedance of your speakers is 4 OHMS,
do not use both the speaker A and speaker
B terminal at the same time as the net
impedance may be low enough to damage
your amplifier.

Replacing a fuse

Caring for your PYRAMID amplifier

Remove the old fuse and replace it with an
identical, serviceable fuse:

This amplifier requires a fuse with the proper rating for
protection from power surges and short circuits. If the
amplifier suddenly turns off or will not turn on, the fuse
is properly blown.

Your PYRAMID amplifier is an example of superior
design and craftsmanship. The following suggestions
will help you care for your amplifier so you can enjoy
years of use:
• Keep the amplifier dry. If it gets wet, wipe immediately.
• Use the amplifier only in well-ventilated installations.
• Handle the amplifier away from dust and dirt.
• Wipe occasionally with a damp cloth to keep it looking
new.
Do not use harsh chemical, solvents or detergents!

PA600X = 6A (110-120V) OR 3A (220-240V)
PA800X = 6A (110-120V) OR 3A (220-240V)
PA1000X = 6A (110-120V) OR 3A (220-240V)
PA1800X = 7A (110-120V) OR 3.5A (220-240V)
CAUTION: Never use a fuse with a higher rating.

Amplifier Specifications

PA600X

PA800X

PA1000X

PA1800X

Input Impedance

20 k-Ohms

20 k-Ohms

20 k-Ohms

20 k-Ohms

Continuous Output Power
Stereo Mode
20 Hz to 20 kHZ, 8 Ohms
1 kHz, 4 Ohms
Maximum power, 8 Ohms
Maximum power, 4 Ohms

70W X 2
90W X 2
300W X 2
600W X 2

100W X 2
120W X 2
400W X 2
800W X 2

110W X 2
160W X 2
500W X 2
1000W X 2

160W X 2
210W X 2
900W X 2
1800W X 2

250W X 1
320W X 1
1000W X 1
2000W X 1

350W X 1
420W X 1
1800W X 1
3600W X 1

Bridge Mode
20 Hz to 20 kHZ, 8 Ohms
1 kHz, 4 Ohms
Maximum power, 8 Ohms
Maximum power, 4 Ohms
THD at rated output power
Frequency Response +/-3dB
Input Sensitivity
Signal to Noise Ratio A-Weighted

0.1%
10 Hz to 50 kHz
0.775V
90 dB

0.1%
10 Hz to 50 kHz
0.775V
90 dB

0.1%
10 Hz to 50 kHz
1V
90 dB

0.1%
10 Hz to 50 kHz
1V
90 dB

Speaker Impedance
A or B ONLY
A plus B
Bridged Mode

4 - 16 Ohms
8 - 16 Ohms

4 - 16 Ohms
8 - 16 Ohms

4 - 16 Ohms
8 - 16 Ohms
8 - 16 Ohms

4 - 16 Ohms
8 - 16 Ohms
8 - 16 Ohms

Power Requirement
Power Fuse
110-120V AC
220-240V AC
Dimensions H x W x D, inches
(mm)
Weight, lbs (kg)

120V AC, 60 Hz / 240V AC, 50Hz

6A
3A
4 3/16 X 19 X 10 3/4
100 X 482 X 273
21.78(9.9)

6A
3A
4 15/32 X 19 X 12
130 X 482 X 305
26.84(12.2)

7

6A
3A
4 15/32 X 19 X 12
130 X 482 X 305
26.4(12)

7A
3.5A
5 1/ 8 X 19 X 12
130 X 482 X 305
26.84(12.2)



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