Cary Audio Design CAD 808 Owner's Manual page 9

Stereo vacuum tube power amplifier
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AC-ON ROTARY SWITCH: Turns
GREEN 'CAT EYES': Indicate audio power output, fully closed eye at maximum power.
: Signal input connection via either
INPUT
#1 is the shield, #2 positive phase signal on
: Push in direction of the type of input to be utilized,
INPUT SWITCH
: The 5-way speaker binding posts provide the output to the speaker system.
OUTPUT
Red posts = positive connections, Black posts = negative connections.
: 3 conductor detachable power cord
AC
AC POWER FUSE: Use only a 3 Amp, 250 V 'slow blow' fuse.
: These indicators will light when there is the proper bias voltage operating for
BIAS LED
the
-84 current source tubes along with the proper DC grid bias voltage for the final
EL
output tubes. If these
Audio service advisor.
/
TRIODE
UL SWITCH
triode, class A, to Ultra-Linear, class A/B. These two switches maybe switched during
operation. If one channel switch is in the opposite position from the other a channel
imbalance will occur. There is 1 dB more gain in the Ultra-Linear position.
: This screw driver adjustment is used to set the proper DC bias current for the
BIAS
-88 output tubes. REMEMBER, THIS ADJUSTMENT MUST BE ADJUSTED WITH A
KT
METER READING DC mA
: This is a 'fast blow' ½ amp fuse to protect the Rocket 88 R amplifier should
TUBE FUSE
an output tube fail.
USE OF ANY OTHER PROTECTION FUSE CAN DAMAGE UNIT
BIAS JACK: This ¼" two conductor jack is used to plug in the supplied meter cable.
This is a shorting jack. In other words, when the plug is removed the circuit is
automatically connected. You may plug in the test plug while the unit is playing. You may
Front Panel Features
power on in the "on" position.
AC
Rear Apron Features
Rocket 88 R Top Panel
's fail to light, discontinue use and place a call to the Cary
LED
: These switches change the operation of the Rocket 88 R between
!
CURRENT
CAUTION
or
shielded interconnect cables. Pin
RCA
XLR
connector.
XLR
or
.
RCA
XLR

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