CHASSIS GROUND:
A chassis ground thumb screw terminal is provided on the rear panel.
12 VOLT TRIGGER CONNECTOR:
These 12Vdc control outputs allow the B135 to exert on/off control over compatible equipment. See “REMOTE
POWER CONTROL” for more information..
LINE LEVEL ANALOG AUDIO INPUTS :
The Bryston B135 integrated amplifier comes equipped with 8 pairs of gold plated analog RCA input con-
nectors: TV, CD, AUX-1/PHONO, AUX-2/SPDIF, VIDEO, TUNER, RECORD IN and POWER AMP IN. All have and input
impedance of 50K ohms
• POWER AMP IN is normally connected, internally, to PRE AMP OUT via the CONNECTED/SEPARATE slide switch
located on the rear panel. When this switch is in the SEPARATE position, however, any line level audio
input can be used at the POWER AMP INPUT jacks to drive the amplifier.
• In B135-DA models the AUX2 (D1/D2) input jacks accept only SPDIF PCM bit streams. They do NOT
accept analog audio input signals.
• In B135-P models, which are equipped with a moving-magnet phono equalization module, the inputs
labeled AUX1/PHONO accept moving magnet phono cartridge inputs. These inputs are NOT line level
inputs in the B135-P and cannot be used as such.
LINE LEVEL ANALOG AUDIO OUTPUTS :
The Bryston B135 integrated amplifier comes equipped with 2 pairs of gold plated analog RCA jacks for out-
puts: PREAMP OUT and RECORD OUT.
• PREAMP OUT is normally connected, internally, via the CONNECTED/SEPARATE switch, to POWER AMP IN
• RECORD OUT output is not affected by volume, balance or mute controls.
DIGITAL AUDIO INPUTS:
In the B135-DA model, which contains a stereo D/A converter module, there are 4 digital audio inputs available.
TOSLINK: Two TOSLINK optical inputs are selected by pressing the D3 (TOSLINK-1) or D4 (TOSLINK-2)
buttons on the front panel (when in digital mode) or on the handheld remote.
SPDIF: Two SPDIF coaxial inputs can be connected to the B135-DA using the RCA input jacks labeled D1
and D2. To select these inputs first place the unit in digital mode by pressing the DIGITAL4Select
button on the front panel (or the A/D button on the handheld remote) and then press the D1
or D2 button on the front panel or on the remote). When the green LED above the font panel
DIGITAL4SELECT switch button in ON concurrently with either the D1 (CD), D2 (TUNER), D3 (TV) or
D4 (VIDEO) LEDs, then digital mode is engaged.
Note: When returning to an input the mode previously used with that input will be automatically re-selected. See
also the DIGITAL-to-ANALOG CONVERTER OPTION section for more information.
HEADPHONE JACK:
There is a quarter inch headphone output jack available on the front panel of the Bryston B135 integrated
amplifier. The headphone output is driven directly from the preamplifier section utilizing separate headphone
buffers. Inserting the headphone jack mutes the loudspeakers automatically (indicated by the mute LED on
the front panel turning red). The B135 PREAMP OUT is also muted.
You can adjust the volume setting of the headphones by using the volume control on the front of the B135 inte-
grated amplifier. You may also utilize the remote control unit to adjust headphone volume. The headphones
cannot be muted with the remote control unit or the front panel Mute. Only headphones with impedances of
greater than 50 ohms should be used.
AUXILIARY IR INPUT:
This mono 1/8” (3mm) phone jack allows a direct connection to equipment whose remote control system pro-
vides an output from their infra-red LED drive circuit. The signal connected to this jack, which is expected to
B135 INTEGRATEDAMPLIFIER
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