Koch Classictone-II Bedienungsanleitung Seite 4

Thank you for choosing the CLASSICTONE-II from KOCH. You now own a "state-of-the-art" all-tube guitar amplifier of the
highest quality. The CLASSICTONE-II has been designed and built by people who - from their own experience as
musicians - take guitar sound and quality very seriously. That is why this product was designed and built with the utmost
care in order to meet all professional standards. Our goal was not only to design an amp which sounds fantastic and is easy
to operate, but also to build it in such a way that it will serve you loyally for many years to come.
Please take your time to read this manual care fully before you switch on the CLASSICTONE-II. Thanks and lots of
success with your new CLASSICTONE-II !
CAUTION:
 BEFORE PUTTING INTO OPERATION READ THESE OPERATING
INSTRUCTIONS CAREFULLY.
 NO USER SERVICEABLE PARTS INSIDE.
 REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY.
WARNING:
 TO REDUCE THE RISKS OF ELECTRICAL SHOCK, DO NOT REMOVE
THE COVER.
 TO REDUCE THE RISK OF FIRE OR SHOCK HAZARD, DO NOT
EXPOSE AMPLIFIER TO RAIN OR MOISTURE.
 THIS APPARATUS MUST BE EARTHED.
 TUBES ARE HOT. DO NOT TOUCH DURING OPERATION.
FRONT PANEL
[1] INPUT: Input for all types of instruments, e.g.
guitars with single-coil, humbucker or active pickups.
[2] CHANNELS SWITCH: Selects the Clean or the OD
/ Overdrive channel, if no external channel switch (e.g.
the optional FS2 footpedal) is connected to the
'Footswitch' jack [4] on the back panel.
[3] VOLUME: Controls the volume level of the Clean
channel.
[4] GAIN BOOST: Selects Medium Gain for Crunchy
sounds (down) or High Gain for Lead sounds (up), in
the Overdrive channel.
[5] GAIN: Controls the amount of distortion in the OD /
Overdrive channel. Accurate pre and post shaping
circuitry prevent the low end from getting muddy even
at the highest settings.
NOTE: Activating the Gain Boost may cause
squealing and/or excessive hum and noise, due to
microphonic guitar pick-ups and insufficient
screening of guitar-circuitry.
[6] VOLUME: Controls the volume level of the OD /
Overdrive channel.
[7] BASS, MID & TREBLE: Classic (post-distortion)
passive tone controls for both channels.
[8] REVERB: Controls the amount of the Spring
Reverb signal mixed with the original dry signal.
[9] LEVEL: Controls the overall volume level of both
channels.
[10] STANDBY: Allows the CLASSICTONE-II to be
placed in Standby or Active mode. In Standby mode
the tubes remain hot, but the amplifier is not
operational.
E N G L I S H
BACK PANELS
[1] POWER: Turns AC power On (red LAMP on) and Off
(red LAMP off). When the switch is Off the amplifier is
completely shut down.
NOTE: When switching the amplifier On, leave the
Standby switch
thus allowing the tubes to heat up before switching to the
Active mode.
[2] A.C. POWER
INPUT: Power cord input. The CLASSICTONE-II is
equipped with a worldwide power supply. Inside the amp a
mains selector switch can be set on one of three voltages,
100, 115 or 230. Either of these voltages will work
worldwide with minor power differences. The amp will
work on either 50 or 60 hertz. After resetting the internal
mains selector switch make sure fuses are replaced
with printed ratings on rear of amp.
FUSE: Both fuse and spare fuse are located on the sled of
the fuseholder. Fuse sled can be removed with a
screwdriver. If the fuse should fail, it must be replaced
with the same type and value in order to avoid
damage to the amp and to prevent voiding the
warranty. If the amp repeatedly blows fuses, check for a
bad power tube. If tube-failure is not the cause, the amp
should be taken to a qualified service center for repair.
WARNING: Only a qualified technician should attempt
an input voltage change. Personal injury or equipment
damage may occur if done incorrectly.
WARNING: The fuse should be replaced or the voltage
should be reset only when the power cord has been
disconnected from its power source.
[3] HT FUSE: This fuse protects the internal HT power
supply in case of tube failure. If it blows, check for a bad
power tube. If tube failure is not the cause, the amp
should be taken to a qualified service centre for repair.
in the "Off" position for 5-10 seconds
[10]