Ceriatone JCM 800 2204

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Summary

About the JCM800 2204 Amplifier

Quick Setup Guide

Front Panel Controls

Front Panel Control Descriptions

Summarizes the function of each front panel control, including POWER, STANDBY, and volume knobs.

Rear Panel Controls

Rear Panel Control Descriptions

Details the purpose of rear panel jacks and switches like SPEAKERS, BIAS TEST, and MAINS INPUT.

Tube Compliment and Bias Jacks

Tube Identification

Lists the vacuum tubes (12AX7, E34L) and their respective roles within the amplifier.

Bias Measurement Procedure

Step-by-step guide for measuring power tube bias using a multimeter.

Biasing Safety and Calculations

Provides an example bias calculation and critical safety precautions for biasing the amplifier.

Frequently Asked Questions

Effects Loop Operation

Explains the FX loop is series and discusses impedance matching with external units.

Tube Substitution Guidelines

Advises on acceptable tube substitutions for preamp and power amp sections.

Effects Loop Output Level

Clarifies the typical output level of the effects loop send jack for rack gear.