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Mark Bass COMBO HEAD II - Service Manual

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2009 EDITION
LITTLE MARK III
COMBO HEAD II
SERVICE MANUAL
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Summary

Little Mark III; Combo Head II Service Manual

Disassembly Procedures for LMIII; CHII

Preamp Section Disassembly

Steps to disassemble the preamp, including knob and nut removal.

Poweramp Section Disassembly

Guide for disassembling the poweramp, covering connectors and screws.

Front Panel Components Removal

Instructions for removing front panel components like screws and connectors.

Rear Panel Components Removal

Steps for removing rear panel components, including nuts and jacks.

Modifications and Circuit Diagrams

Effects Loop Modification

Guide to modify the effects loop from parallel to serial connection.

Power Supply Schematic

Schematic diagram for the DA510 power supply unit.

Amplifier and Protection Schematics

Circuit diagrams for the amplifier core and protection circuits.

Little Mark III Main Schematics

Detailed circuit diagrams for the main Little Mark III amplifier functions.

Mark Bass COMBO HEAD II Specifications

General IconGeneral
Inputs1 x 1/4" Instrument, 1 x XLR (Mic)
Outputs1 x XLR Direct Output
EQ4-Band EQ
ControlsGain, Master Volume
Effects LoopYes
Line OutYes, XLR (DI)
Power Output500W RMS @ 4 ohms / 300W RMS @ 8 ohms

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