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Mesa/Boogie Studio Preamp User Manual

Mesa/Boogie Studio Preamp
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MESA/BOOGIE
The Spirit of Art in Technology
Studio Preamp
Owners Manual
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Mesa/Boogie Studio Preamp Specifications

General IconGeneral
Channels2
Tubes5 x 12AX7
ReverbYes
FootswitchYes
TypeTube
ControlsTreble, Middle, Bass, Presence
Inputs1 x 1/4"
Outputs2 x 1/4"
EQ3-band (Bass, Middle, Treble)
FootswitchableChannel switching
Effects LoopYes
Dimensions19"

Summary

Connecting the Preamp

Connecting to Guitar Amplifier

Describes connecting the Preamp to traditional guitar amps via Recording Outputs or Effects Return.

Connecting for Recording

Connects to mixing consoles via Recording Outputs or Main Outputs for direct injection recording.

Using Stereo Effects

Stereo Effects Loop Connection

Connects effects unit to EFFECTS SEND/RETURN, using LOW/LINE switch for desired level.

Alternative Stereo Effects Connection

Connects Preamp Main Outputs to effect unit input, with effect unit controlling final level.

Understanding the Controls

Volume and Master Controls

Volume adjusts gain/level; Master controls overall volume and Effects Send level.

Lead Drive, Treble, Lead Fat, and Bass

Controls for gain, tone shaping, and special lead mode effects.

Middle Control

Adds midrange warmth, less dramatic than Treble/Bass controls.

Bright Switches and EQ

Bright switches add high frequencies; EQ reshapes tone curve.

Reverb Section

Built-in 3-spring reverb unit, designed to minimize noise and clipping.

Output Level and Power

Output Level Controls

Determines overall level to power amp or console for optimal signal-to-noise.

Power and Standby Switches

Controls AC power and standby mode for safe operation and noise management.

Rear Panel Connections

Input and Footswitch Jacks

1/4" input for instrument; footswitch jack for mode switching.

Function and Effects Loop Jacks

Jacks for footswitches, stereo effects loop send/return.

Output Jacks

Main and Recording Outputs for connecting to amps or consoles.

Using as an Effect Box

Connects Recording Outs to a guitar amp's input to add effects and tone shaping.

Power and Safety Features

Line fuse protects unit; line cord details provided.

Ground Isolation Switch

Ground Loop Types and Solutions

Describes common ground loops and methods to mitigate them.

Switch Operation

Explains how the switch lifts circuit ground from chassis ground for quiet operation.

Sample Settings

Dual-Mode Settings

Settings for Blues, Rock, Metal, and Fusion styles.

Single Mode Optimized Settings

Settings optimized for Shimmering Rhythm, Blues Lead, Crunch Chords.

Genre-Specific Settings

Settings for Metal Lead with EQ, and Jazz Rhythm.

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