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1. Fuse holder (B60, B90 and B120 only) - Holds an appropriately rated fuse for your
model. If you need to change this fuse for any reason, replace it with one that has the
same exact rating:
B60: 2.0 amp for 115 volt operation; 1.0 amp for 230 volt operation
B90: 3.0 amp for 115 volt operation; 1.6 amp for 230 volt operation
B120: ?? amp for 115 volt operation; ?? amp for 230 volt operation
2. AC Power Cord - Use this permanently attached grounded AC power cord to connect
your B Series amplifier to mains power. This cord comes supplied with the appropriate
plug for your geographic area. CAUTION: Do not use an adapter to defeat the third
grounding pin on this plug or severe electric shock may result!
3. Preamp Out (Effects Loop Send)
- Use this 1/4" unbalanced jack to send signal to a
professional outboard effects processor.* Output level is approximately 0 dB to +4 dB and
is post-EQ and post-Shape but unaffected by the setting of the Volume control. The
signal from this output is the same as that from the Line Out on the front panel (see #7 on
page 4).
4. Amp In (Effects Loop Return)- Use this 1/4" unbalanced jack to return signal from a
professional outboard effects processor.*
* In-line effects (such as footpedals) intended for low signal levels should be placed
between your bass and the front panel B Series amplifier Input and not connected with the
rear panel Effects Loop jacks.
Guided Tour - Rear Panel
B90
EFFECTS LOOP
SERIAL
NUMBER
CAUTION
FOR CONTINUED PROTECTION AGAINST RISK
OF FIRE, REPLACE ONLY WITH SAME TYPE FUSE
ATTENTION
UTILISER UN FUSIBLE DE
RECHANGE DE MÊME TYPE
Hartke
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNING
DO NOT EXPOSE THIS EQUIPMENT
TO RAIN OR MOISTURE
AVI S
RISQUE DE CHOC ELECTRONIQUE
NE PAS OUVRIR
90 WATT BASS AMPLIFIER
PREAMP
OUT
AMP IN
F
U
S
E
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ENGLISH