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Kenwood RA-90 Instruction Manual page 6

Stereo reverberation amplifier

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IN CASE OF DIFFICULTY
If your unit should not perform as expected, consult the table below to see if the problem can be corrected before seeking help
from your Kenwood dealer or service representatives.
SYMPTOM
CAUSE
REMEDY
No sound although AC is switched on.
Indicator not illuminated
Poor AC plug connection.
Check plug contact
No sound from LEFT and RIGHT
Speaker cords disconnected.
Check speaker connections.
Volume control of amplifier fully cow
Turn up volume control.
"TAPE monitor switch of GE-555/GE-
TAPE MONITOR switch of amplifier
set io SOURCE.
1G0B or RA-90 set to ON
Set
TAPE
MONITOR
switch
of
amplifier to TAPE.
Set TAPE monitor switch to OFF
except when using tape deck
Sound from one side only
Speaker cords disconnected.
Check speaker connections
Input or output cables disconnected.
Check input or output connections
Blance contro! of amplifier set to one
extreme or the others
Adjust balance control of amplifier.
SPECIFICATIONS
Reverberation time
Effect 1.........
Effect 2...........
Frequency response .
Harmonic distortion
S/N ratio..
:
Maximum output ...
Input impedance
..;.......
Attenuation
Power consumption
Dimensions
Weight.....
Notes
wees
en
Bef
++. 0—2.5 sec.
-.30—80 msec.
20Hz—35kHz,
+0dB, -0.5dB
Less than 0.01% (20 Hz~-20kHz, output 1 V)
1004dB (Short-circuited IHF-A network)
«6 V (1 kHz, THD 0.05%, RL47 kQ)
ATO
=~ 6 dB at 1kHz
14W
-440(W) x 57(H) x 150(D} mm
.2.0kg (nev)
Kenwood follows a policy of continuous advancements in development. For this reason specifications may be changed without
notice
& RAgom

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