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Schertler JAM User Manual

Schertler JAM
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JAM
combo amplifier
for acoustic instruments
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Schertler JAM Specifications

General IconGeneral
Speaker Configuration2-way
Woofer Size8"
Tweeter Size1"
EffectsReverb
InputsXLR/Jack combo
EQ3-band

Summary

Important Safety Instructions

Introduction to the JAM Amplifier

Front Panel: Instrument Input Controls

Instrument Input & Signal Management

Covers instrument input, 10V phantom power, gain, overload indication, and phase reverse switch.

Tone Shaping, Effects, and Volume

Includes WARM filter, EQ controls, Reverb level, and Volume for the instrument channel.

Front Panel: MIC and Instrument Inputs

MIC Input & Signal Management

Details MIC input XLR connection, 24V phantom power, gain, and overload LED.

Instrument Input & Feedback Control

Covers instrument input, 10V phantom power, and resonance/notch filter for feedback reduction.

EQ, Effects, and Volume Controls

Includes EQ controls, Reverb level, and Volume for MIC/INSTRUMENT channels.

Front Panel: MIC and Stereo Inputs

MIC Input & Signal Management

Details MIC input XLR connection, 24V phantom power, gain, and overload LED.

EQ, Effects, and Volume Controls

Includes EQ controls, Reverb level, and Volume for the MIC channel.

Stereo Input Configuration

Mini Jack stereo 3.5mm input for PC, MP3, etc. Volume controlled by MASTER-VOL.

Master Section, FX Return & Aux Out

Master Controls & Outputs

Covers DI-OUT, Master volume, Line Out, Low Cut filter, Aux Out, and Power LED status.

Effects & Connectivity Options

Details INSERT, Master Reverb, Decay, FX Return, and FX Return Volume controls.

Rear Panel Connections and Controls

Power and Ground Lift Switches

Includes the system ON/OFF switch and the GROUND LIFT switch.

Main Power Connection

Specifies connection for the main power supply (230V~/115V~) and advises using the original cable.

Signal Flow Diagram

Warnings and Precautions

General Operating Precautions

Important precautions for safe operation, including avoiding liquids, heat, and proper ventilation.

Technical Description and Specifications

Product and Enclosure Details

Provides general description, construction material, weight, and dimensions.

Amplified Speaker Specifications

Details frequency response, sensitivity, and maximum SPL for the amplified speaker section.

Input and Output Technical Specs

Lists technical specifications for MIC, LINE, Stereo IN, LINE OUT, DI OUT, and INSERT connectors.

Internal Effect and Component Specs

Details specifications for the digital reverb and the amplifier's components (woofer, tweeter, etc.).

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