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S R 2 - 1 2 5 T W O - C H A N N E L A M P L I F I E R I N S T R U C T I O N M A N U A L
Powering the Amplifier
The SR 2-125 features a removable
IEC
power
connector
A 14-gauge EIA standard 120-volt
grounded power cable is included with
the amplifier.
Each
time
the
amplifier's
cord is initially plugged in and the
POWER
switch
is
turned
channel
outputs
are
for approximately 9-12 seconds and all
PROTECTION LEDs will illuminate briefly
while the amp boots up.
IMPORTANT: DO NOT PLUG THE POWER CORD INTO THE WALL
OUTLET UNTIL ALL SYSTEM CONNECTIONS HAVE BEEN MADE
AND VERIFIED.
Plug the female end of the power cable into the Power Connector
on the amplifier's rear panel and plug the male end directly into a
grounded 15 amp or 20 amp wall outlet.
IMPORTANT: DO NOT PLUG THE AMPLIFIER'S POWER CORD
INTO A CONVENIENCE OUTLET ON ANY OTHER AUDIO OR
VIDEO COMPONENT.
If the electrical service is subject to frequent sags, spikes, or
brownouts, a power conditioner designed for use with high fidelity
equipment should be employed to protect the amplifier.
CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE,
REPLACE THE FUSE WITH ONLY THE SAME TYPE AND RATING.
Amplifiers Power Requirements:
Model
Input Voltage
SR 2-125
100-120V AC
Model
Input Voltage
SR 2-125
220-240V AC
(Figure
6).
power
ON,
all
AC 100-120V ~ 60Hz
AC 220-240V ~ 50Hz
disconnected
FIGURE 6: IEC POWER
CORD CONNECTION
Output Power (sinewave)
Full Power All Channels @ 8 ohms
Full Power All Channels @ 4 ohms
1/8 Power All Channels @ 8 ohms
1/8 Power All Channels @ 4 ohms
@ Idle
@ Standby
Output Power (sinewave)
Full Power All Channels @ 8 ohms
Full Power All Channels @ 4 ohms
1/8 Power All Channels @ 8 ohms
1/8 Power All Channels @ 4 ohms
@ Idle
@ Standby
FIGURE 7: SR 2-125 TWO-CHANNEL AMPLIFIER POWER REQUIREMENTS
Source Connections/Selection SR 2-125
There are two options when connecting audio inputs to the
SR 2-125 amplifier (see Figure 8):
Primary Line Inputs 1-L, 1-R - Use these inputs for analog
audio source.
Primary Line Coax Inputs L&R - Use these inputs for
coax audio source.
Primary Line Toslink Inputs L&R - Use these inputs for
toslink audio source.
FIGURE 8: SR 2-125 LEFT, RIGHT LINE INPUTS
15 AMP Breaker
Draw Watts
Qty of Amplifiers
311.5
4
326
4
61.5
23
63
22
26.5
0.3
13 AMP Breaker
Draw Watts
Qty of Amplifiers
300
4
314.5
4
58.5
24
60
24
24
0.48
6
20 AMP Breaker
Qty of Amplifiers
6
5
31
30
20 AMP Breaker
Qty of Amplifiers
6
6
32
32
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