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cabinet. If you must stack the amps, you may need
to utilize fans or another active cooling mechanism
to ensure uninterrupted operation. If you repeatedly
experience channels shutting down due to heat,
rearrange the amplifiers to have more surrounding
free space, or employ an active cooling solution.
Heat sinks may be up to 85° Celsius! Take
caution to prevent burns! Never operate the
amplifier in a vertical position.
Connecting to A/C Power
Please check the Data Plate on the left rear of the
B135³ amplifier to verify power requirements agree
with your location. Plug the IEC-320 C14 end of the
power cord into the amplifier, then plug the other
end into an approved and grounded A/C receptacle.
The power LED on the front panel will be red
indicating the unit is in standby.
Connecting Source Components
The B135³ features 6 stereo pairs of single-ended
line level inputs and one tape loop suitable for
connecting source components such as CD players,
external digital to analog converters, and other
components that have line-level outputs.
The B135³-DA features 6 stereo pairs of single-ended
line level inputs plus two digital RCA inputs and two
TOSLINK optical inputs. Each of the 4 digital inputs
can accept PCM stereo digital audio up to sampling
rates of 96kHz and bit depths up to 24 (96kHz / 24
bit).
The B135³-P features 6 stereo pairs of single ended
line level inputs plus a stereo pair of phono inputs
suitable for connecting turntables equipped with
moving magnet cartridges.
The phono and D/A options may also be installed
simultaneously.
Source components should be connected with
good quality audio interconnects terminated with
RCA male plugs except when using digital sources
equipped with TOSLINK optical output in which
case a TOSLINK fiber optic cable is required.
B135³ Integrated Amplifier
Unlike some other preamps and integrated
amplifiers, the B135³ is internally symmetrical. The
left/right pairs of input jacks on the back panel are
split symmetrically about the vertical center line.
Connecting Loudspeakers
Connection to loudspeakers is accomplished by
attaching high quality speaker cable to the Output
Binding Posts per the following instructions.
The RED binding post is connected to the positive
channel output. Connect this post to the (+)
terminal on the loudspeaker.
The BLACK binding post is connected to ground.
Connect this post to the (-) terminal on the
loudspeaker.
The output binding posts provide three different
interconnect options. Combinations may be used
when bi-wiring. Cables should be kept as short
as practical and should never be terminated with
connectors that may become confused for AC
power connectors. Cables should be dressed away
from input and power cables.
To prevent the risk of equipment damage or
personal harm, use only Class 2 rated loudspeaker
wire properly terminated and connected securely to
the binding posts.
Banana plugs offer a quick disconnect option.
Before inserting a banana plug into the binding
post, be sure to tighten the post nut to avoid rattling
and to provide full insertion of the banana plug.
Gold plated locking banana plugs are available from
Bryston.
Stripped bare wire up to 3 gauge can be inserted
Spade lugs provide high
contact area and secure
fastening. Lugs should be gold
plated. Post diameter is 5/16"
(8mm ), lug width 5/8" (16 mm).
Gold plated spade lugs are
available from Bryston.
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