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recorders equipped with a separate playback head, or
the processed signal when using a signal processor.
Input sensitivity is 500mv, input impedance is 10K ohms.
OPTIONAL PHONO EQ MODULE
Bryston's phono equalizer circuitry is available in both
B60 and B60R integrated amplifiers. It features highly
accurate equalization, extremely low noise and distor-
tion 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.
OPTIONAL DIGITAL AUDIO INPUTS
The B60DA / B60RDA models contain an SPDIF com-
patible digital audio input (RCA jack) and D/A (digital to
analog) converter circuitry. To select this input set the
rotary "SELECTOR" switch to the "DAC" position. Once
this input is selected operation of the digital-to-analog
convertor is fully automatic. The digital-to-analog con-
vertor can handle input sample rates from 16KHz to
108KHz, and word lengths of 16, 18, 20 or 24 bits.
OPTIONAL REMOTE 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 out-
put 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 rota-
tion allowing fine adjustments to the stereo image.
For convenience the electrical center of the control is
detented.
SOURCE SELECTOR SWITCH: Rotary switch deter-
mines which input will appear at the "TO TAPE" outputs
for recording or processing, as well as determining
The
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 monitors
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 equip-
ment.
LED STATUS INDICATOR: This bi-colour LED is nor-
mally 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.
LOUDSPEAKER OUTPUTS
Output connectors consisting of two pairs of red/
black 5-way binding posts, which can accept standard
banana plugs, spade lugs, pins or bare wire. Since the
binding posts are gold plated we recommend gold plat-
ed connectors also be used on the speaker cables for
optimum long term low distortion performance. we also
recommend that loudspeaker wire of at least 16 gauge
be used for maximum performance.
B60 INTEGRATED AMPLIFIERS
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