Bryston BP 6, Owner'S Manual

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BP6 PRE-AMPLIFIERS
OPTIONS
PHONO EQUALIZATION MODULE
The BP6P contains Bryston’s fully discrete phono
equalizer circuitry. It features highly accurate equaliza-
tion, extremely low noise and distortion and provides
headroom margins sufficient to prevent overload from
any known phono source. If your turntable provides a
separate ground lead , system noise may be minimized
by connecting it to the ground post adjacent to the phono
inputs on the rear panel. Input impedance is 50K ohms
and sensitivity is 5mV.
DIGITAL-to-ANALOG CONVERTER MODULE
The Bp6DA model contains optional DAC module that
accepts an SPDIF compatible digital audio input (RCA
jack) and D/A (digital to analog) and outputs an alnlog
audio signal to the BP6. To select this input set the rotary
“SELECTOR” switch to the “DAC” position. Once this
input is selected operation of the digital-to-analog con-
vertor is fully automatic. The digital-to-analog convertor
can handle input sample rates from 16KHz to 108KHz,
and word lengths of 16, 18, 20 or 24 bits.
INFRA-RED REMOTE CONTROL
CONTROL
The optional Bryston BR2 hand
held remote control unit provides for
remote volume control and full signal
mute of the B60R integrated amplifier.
The Volume control is a motor driven
design. This approach ensures lower
distortion and other noise artifacts
than VCA’s and DAC’s.
Pressing the MUTE button on
the remote control will fully mute the
output from the preamplifier section.
The power LED on the front panel will
turn from green to red. To un-mute
the amplifier simply push the MUTE
button again or press the volume UP
button.
The mute function on the remote
control will not function if using head-
phones.
The hand held remote unit is bat-
tery operated. To change the battery
remove the bottom cover plate by
unscrewing the Philip’s head screws
and replace the 9 volt battery carefully observing the
polarity of both the battery and battery clip.
We recommend maintaining a direct line-of-sight
between the hand held remote and the front of the B60R
to ensure the most efficient operation of the remote fea-
tures.
FRONT PANEL CONTROLS:
VOLUME CONTROL
: Rotary control varies
the output level to the ‘MAIN OUTPUTS’, (does not effect
‘TO TAPE’ outputs). BALANCE: Rotary control adjusts
the left-versus-right channel levels.
BALANCE CONTROL : is a tailored-inflection type
which has very gradual action near the center of rotation
allowing fine adjustments to the stereo image. For con-
venience the electrical center of the control is detented.
SOURCE SELECTOR SWITCH
: Rotary switch
determines which input will appear at the “TO TAPE” out-
puts for recording or processing, as well as determining
which program is available at the Main outputs. (When
the “TAPE/NORMAL” switch is in “Tape” position, “FROM
TAPE” inputs appear at Main Outputs).
TAPE/NORMAL SWITCH : “Normal” position moni-
tors whichever input is selected at the rotary SELECTOR
switch. “Tape” position provides monitoring of the “FROM
TAPE” input for A/B comparison with the source. Should
an external processor or equalizer be connected in the
tape loop, the ‘TAPE / NORMAL” switch will act as an in/
out switch for the external equipment.
LED STATUS INDICATOR
: This bi-colour LED is
normally green but turns red when the outputs are muted
either by pressing MUTE on the optional BR2 remote
control or by inserting a 1/4” phone plug into the head-
phone jack.
Note: In some markets the LED indicator is red/blue
instead of red/greeen.