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Although a D130Z is shown above, all rear panel features are identical for the D65Z, D130Z & D250Z except for power ratings and fuse values
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POWER INLET:
Primary or mains power cord input connector (IEC 320 C14 inlet, mates with an IEC 320 C13 plug). Connect the
supplied power cord to this connector only after checking the unit label and verifying that the amplifier is rated for
your local power requirements for A/C voltage and line frequency.
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REMOTE POWER TURN-ON CONNECTOR:
'IN' pins on the connector, the amplifier will power up. When the D65/130/250Z has powered up the incoming 12v is
handed to the 'OUT' terminals to turn on other equipment. This circuit draws 2 mA to turn the D65/130/250Z on.
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REMOTE POWER TURN-ON SWITCH:
When in the LOCAL position the amplifier power up sequence is initiated by the front panel power switch only.
When in the EXTERNAL position, and witht he front panel power switch OFF (in the out position) the amplifier will
power up when a control voltage of between 4 and 12 volts (AC or DC) is present across the pair of "IN" pins of the
Remote Power Turn-On Connector. See "AC Power Control" section on page 4 for more information.
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CHANNEL LEVEL CONTROL:
Normal or maximum is fully clockwise (approximately 5 o'clock
mately 7 o'clock
) which fully attenuates the input signal.
A
CHANNEL DIRECT INPUT CONNECTORS:
Gold plated RCA/phono jacks. Input impedance ≈ 20K Ohms
B
INPUT SELECTOR SWITCHES:
These four position slide switches select the input signals for each
channel independantly:
Position
Description
● 1 st (top)
Left bus from STEREO BUS INPUTS (item #10)
● 2 nd :
sum of left and right STEREO BUS INPUTS (item #10)
● 3 rd :
Right bus from STEREO BUS INPUTS (item #10)
● 4 th (bottom): direct input from RCA jack.
OUTPUT BINDING POSTS
C
The RED binding post is connected to the amplifier output. Connect to this post the (+) terminal on the
loudspeaker.
The BLACK binding post is connected to signal ground. Connect to this post the (-) terminal on the loud-
speaker.
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.
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.
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.
D65Z D130Z D250Z
When an external 12v control signal is applied between the 2
8 CHANNEL POWER AMPLIFIERS
). Minimum is fully counter clockwise (approxi-
5/16" 5/8"
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