User guide

4
Front Panel
VOLUME
POWER
MUTE
SOURCE
PHONES
SP20 VACUUM TUBE STEREO PREAMPLIFIER HIGH DEFINITION
®
SPKR OFF
WARNING
TO PREVENT FIRE AND SHOCK HAZARD, DO NOT
EXPOSE THIS DEVICE TO RAIN OR MOISTURE.
UNIT MUST BE OPERATED IN A HORIZONTAL POSITION.
-DO NOT OPERATE WITH COVERS REMOVED-
UNIT CONTAINS VOLTAGES WHICH MAY BE HAZARDOUS.
+12V REMOTE
TRIGGER
(30mA max)
~
VOLTS
SERIAL
RS-232
IR INPUT
30W MAX
50/60HZ
CAUTION
FOR CONTINUED PROTECTION AGAINST
FIRE HAZARD REPLACE FUSE ONLY
WITH SAME TYPE AND RATING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
!
STEREO PREAMPLIFIER
PLYMOUTH, MINNESOTA
MADE IN U.S.A.
MODEL SP20
GROUND
SE1PHONO
1.5 A FUSE
SLO-BLO
T630MA
(230V)
SE3SE2 MAIN 2
MAIN 3
RECORD MAIN 1
LEFT INPUTS
RIGHT INPUTS
LEFT OUTPUTS
RIGHT OUTPUTS
SE4
BAL1
BAL2
MONITOR
Illustrations
Back Panel
Remote
MONO
SP20
LOAD SPKR OFF
POWER
BAL L BAL R
MUTE
HOURS
PHONO
SE1 SE2
SE4 BAL1 BAL2
VOL DN VOL UP
SE3
DSP DN
INVERT
DSP UPMON
H I G H D E F I N I T I O N
®