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Extracted text from bryston powerpac 60 120 300 owners manual (Ocr-read)
Page 1
GENERAL INSTRUCTION
S Setup Recommendations:
Description: General Information:
Thank you for choosing a Bryston
product. We would welcome any comments
or suggestions you may have regarding the
operation of y our amplifier. We consider our
customer to be Bryston,s most important r e-
source and your opinion is very much appr e-
c iated. In the unlikely event you have a pro b-
lem with your amplifier and must return it for
service please keep the original box and all
packaging material.
The Bryston Po werPac 60/120/300
are high quality modular single channel
60/120 /300 watt power amplifier intended for use in applications wher
e portability, quality
and flexibility are of prime importance.
The PowerPac is a perfect choice for
use as a modular power a mplifier which can
be attached directly to the rear of your lou d-
speaker . It can also be bolted on the wall, or
in the wall, for utilization in audio/video su r-
round systems (left/right/center/rears) where
a non -conspicuous power module is required.
Another application would be in multi -room
audio systems where single or multiple ampl i-
fiers are needed to provide music to other
rooms.
We recommend that you do not place
the amplifier in a totally enclosed area. Allow
some space at the top, sides as your Bryston
amplifier relies on convection cooling and
some air flow is desirable.
Make sure the power switch on the
front panel of the amplifier is in the off (out)
position. Plug the power cord into the front
panel of the amplifier, then insert the male
end int o the wall outlet.
All Bryston amplifiers contain high
quality, dedicated circuitry in the power su p-
plies to reject RF, line spikes and other
power -line problems.
Bryston power amplifiers do not r e-
quire specialized power line conditioners.
Plug the amplifier directly into its own wall
socket.
Connect your loudspeakers ens uring
that the positive (red) and ground (black) te r-
minals on your amplifier are connected to the
positive and ground terminals on your lou d-
speakers.
Note: Make sure that the front panel
switch for choosing balanced or non -
balanced is in the correct position.
The Bryston PowerPac 60 monaural
amplifier consist of two of Brystons custom
power transistors as output devices. The
power o utput is 60 Watts @ 8 Ohms.
The Bryston PowerPac 120 monaural
amplifier consist of four of Brystons custom
power transistors as output devices. The
power output is 120 Watts @ 8 Ohms.
The Bryston PowerPac 300 monaural
amplifier consist of eight of B rystons custom power transistors as output devices. The
power output is 300 Watts @ 8 Ohms.
Dimensions PP60: (LHW) 12 X 1.8
X 7.1 Inches,
30.5 x 4.6 x 17.9 cm.
Weight 5.7 Lbs/2.6Kg.
Dimensions PP120: (LHW) 12 X 4.3 X 7 Inches,
30.5 x 10.9 x 17.8 cm.
Weight 10.6 Lbs/4.8Kg.
Dimensions PP300: (LHW) 17 X 4 .5 X 8.4 Inches,
43 x 11.5 x 21 cm.
Weight 23 Lbs/10.5Kg.
Page 2
BRYSTON POWERPAC 60/12
0/300 Grounding and Ground LIft Switch (except PP300 and PP120): Input and Output Connectors:
Bryston PowerPac amplifiers come
standard with two input connectors: one u n-
balanced RCA/phono connector and a ba l-
anced combination XLR - 1/4 -inch jack with
fully discrete active input circuitry.
All input connectors are gold -plated
and sh ould only be used only with high -
quality, gold -plated interconnect cable as a
poorly plated connector will eventually co r-
rode through the gold flash.
Bryston offers interconnect cables
with heavily gold plated, quality connectors
available throu gh any Bryston authorized
dealer or directly from Bryston.
Output connectors consist of one
pair of five -way binding post terminals (1
red and 1 black) that can accept either
sta ndard banana plugs, spade lugs, pins or
bare wire. Since the binding posts are gold -
plated, we recommend gold plated conne c-
tors also be used on the speaker cables.
All Bryston amplifiers will accept ba l-
anced or single -ended (RCA) input conne c-
tors. The balanced inputs use combination
3 -pin XLR (pin -1 -ground), (pin -2 -+) and
1/4 -inch tip -(+), ring and sleeve (ground)
i n put connectors.
A ground lift switch is located on the
front panel of the amplifier. It is connected
b etween the chassis ground (including the
third prong on the power cord) and the signal
ground.
This switch is normally left in the co n-
nected (up) position. Occasionally a multi -
amplifier installation or an unusual grounding
situation with another component (CD p layer,
video recorder, television etc.) will cause a
ground loop between the signal ground and
the chassis ground. This switc
h will reduce
the resultant hum in many cases without r e-
sorting to a cheater plug by switching to
the separated (down) position.
Note: this switch does not disconnect the
cha ssis from the third prong on the power
cord which must be left intact for safety
reasons.
Power Clipping Indicator
Dual colour LED pilot lights indicating GREEN at normal level, flashing \
RED at clipping.