Mesa/Boogie Formula Pre Owner's Manual
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Mesa/Boogie Formula Pre Owner's Manual

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B
M
ESA
OOGIE
Owner's Manual
The Spirit of Art in Technology
1317 Ross Street Petaluma, CA 94954
USA

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Summary of Contents for Mesa/Boogie Formula Pre

  • Page 1 OOGIE Owner's Manual The Spirit of Art in Technology 1317 Ross Street Petaluma, CA 94954...
  • Page 2 Hello from the Tone Farm... Congratulations on your choice of the Formula Pre-Amp and welcome to the Mesa/Boogie family! We salute your obviously discerning taste in tone and feel sure that this instrument will exceed your expectations and provide you with years of inspiration and service.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Precautions _________________________________________________________________________ 0 Overview ___________________________________________________________________________ 1 Important Note About Power ___________________________________________________________ 2 Hook-Up ____________________________________________________________________________ 3 FRONT PANEL: Instrument Input _____________________________________________________________________ 4 Footswitch DIN Jack _________________________________________________________________ 4 Record Voicing ______________________________________________________________________ 4 CONTROLS: (Controls) Gain ___________________________________________________________________________ 4 & 5 Treble ______________________________________________________________________________ 5 Mid ________________________________________________________________________________ 6 Bass _______________________________________________________________________________ 6...

  • Page 4: Precautions

    Your Mesa/Boogie Amplifier is a professional instrument. Please treat it with respect and operate it properly. USE COMMON SENSE AND ALWAYS OBSERVE THESE PRECAUTIONS: Do not expose amplifier to moisture, rain or water, direct sunlight or extremely high temperatures. Always insure that amplifier is properly grounded.

  • Page 5: Overview

    Three incredible channels reward you with some of the most soulful sounds ever to come out of Mesa/Boogie, let alone in a rack format! The top Channel 1 (Green/Rhythm) is a lower gain circuit that is undeniably black face in lineage and is capable of pristine clean sounds, full of warmth and character in its lower region of settings.

  • Page 6: Important Note About Power

    IMPORTANT NOTE: Before we go much further, we would like to take a minute to talk about power. Your new Formula Pre-Amp was designed with the utmost consideration given to ensuring that, while it delivers the versatility of three distinct channels, it retains all the warmth and expressiveness of its tube heritage.

  • Page 7: Hook-Up

    GAIN RHYTHM FT.SW. RECORD RHYTHM LO GAIN EQ IN GAIN BASS MASTER TREBLE EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 60Hz 2200 6600 MASTER OOGIE 117 V~ CIRCUIT PATENTS PENDING 1 AMP 60 HZ. RING LIFT...

  • Page 8: Front Panel

    GAIN FT.SW. RECORD just to the right of the Graphic EQ. In all three channels, RHYTHM LO GAIN GAIN the setting of the GAIN control determines the sensitivity LEAD 2 HI GAIN Formula Pre OOGIE MASTER PAGE 4...

  • Page 9: Gain

    CONTROLS: (Continued) of the front ends’ first tube stage and therefore, the overall character of the given channels’ sound style. Set GAIN: (Continued) low, it allows more of the natural sound of the instrument to come through. Set higher, an increasing amount of natural tube saturation occurs.

  • Page 10: Mid

    MASTER GAIN sounds are found in the middle ranges of the spectrum LEAD 2 Formula Pre ( 9:30 to 2:30 ) and this is our idea of a preferred set- MASTER ting. These controls also perform another function and that is to determine the amount of signal fed to the EFFECTS SEND jack. Set low, they produce roughly the equivalent to an instrument level ( smaller / weaker ) signal.

  • Page 11: Band Graphic Eq

    - makes the Formulas’ two lead channels super versatile. With all the possible combinations you will never have to worry about possible compromises between LEAD 1 and LEAD 2. Just in case you have never used a Mesa/Boogie amplifier in the LEAD channel with the GRAPHIC EQ, we would like to suggest trying one setting that keeps coming up over the years.

  • Page 12: Channel Select

    LEAD 1 position of the CHANNEL SELECT switch. Only in this position will the Footcontroller trigger the channels remotely. GAIN Formula Pre MASTER POWER: This toggle controls the flow of A.C. Power to the Formula. Be sure to check the voltage rating of the receptacle at which you are connecting the power cord of the Formula.

  • Page 13: Rear Panel

    - call us and we will be glad to send you one for a nominal charge. Because the Formula Pre -amp has no power tubes, it is unlikely you will ever have to replace the FUSE, thus one does FUSE: not appear accessable from the rear panel.

  • Page 14: Effects Loop & Mix Control

    Though the Formula Pre - amps’ EFFECTS LOOP is the best type for a guitar product to preserve the inherent attack characteristic and overall sound quality and no expense was spared in its development, our tests have resulted in some interesting findings.

  • Page 15: External Switch Jacks

    REAR PANEL: (Continued) being the tone-first-theory-later design team we have come to be, this patching scheme has EFFECTS LOOP: (Continued) worked much to our favor. We have long felt this to be true and in fact included this tip in some of our other products’ owners manuals. To verify our findings we recently took a census of TriAxis (Programmable Pre-amp) users among our phone-in customers and touring artists and found that most used their processing between pre-amp and power amp, saving their effects loops for more specific switchable applications.

  • Page 16: Signal Levels

    REAR PANEL: (Continued) NOTE: Avoid OUTPUT level settings above 1:00 when using the RECORD OUTPUTS as SIGNAL LEVELS: (Continued) it is possible to overload the RECORD circuitry - as well as the input stage of many consoles - with certain settings of the channels and certain pickups.
  • Page 17 NOTE: While any 12AX7A will work in your Formula Pre-amp, the Formula’s 6 month Warranty is valid only with original or replacement Mesa tubes in place.

  • Page 18: Tube Task Chart

    TUBE LAYOUT and TASKS Formula Pre - Top View Back Panel of Formula Pre MESA MESA MESA MESA MESA MESA MESA MESA MESA MESA 12AX7A 12AX7A 12AX7A 12AX7A 12AX7A V1 V2 ALL TUBES 12AX7A TUBE ASSIGNMENT DIMENSIONS SPECIFICATIONS V1 - A = Lead Input...

  • Page 19: Factory Sample Settings

    RHYTHM FT.SW. RECORD RHYTHM LO GAIN EQ IN BASS GAIN TREBLE MASTER EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 60Hz 2200 6600 MASTER Neck Single Coil Texas Clean: Rhythm / Green GAIN RHYTHM FT.SW. RECORD RHYTHM...
  • Page 20 RHYTHM EQ IN LO GAIN BASS GAIN TREBLE MASTER EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 MASTER 60Hz 2200 6600 Liquid Violin Lead - Lead 1 / Orange Neck or Bridge - Single Coil GAIN RHYTHM FT.SW.

  • Page 21: Personal Settings Page

    Personnal Settings Page GAIN RHYTHM FT.SW. RECORD RHYTHM EQ IN LO GAIN GAIN BASS MASTER TREBLE EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 MASTER 60Hz 2200 6600 GAIN RHYTHM RECORD FT.SW. RHYTHM LO GAIN EQ IN GAIN...
  • Page 22 Personnal Settings Page GAIN RHYTHM FT.SW. RECORD RHYTHM EQ IN LO GAIN GAIN BASS MASTER TREBLE EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 MASTER 60Hz 2200 6600 GAIN RHYTHM FT.SW. RECORD RHYTHM LO GAIN EQ IN BASS...
  • Page 23 Personnal Settings Page GAIN RHYTHM FT.SW. RECORD RHYTHM EQ IN LO GAIN GAIN BASS MASTER TREBLE EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 MASTER 60Hz 2200 6600 GAIN RHYTHM FT.SW. RECORD RHYTHM LO GAIN EQ IN BASS...
  • Page 24 Personnal Settings Page GAIN RHYTHM FT.SW. RECORD RHYTHM EQ IN LO GAIN GAIN BASS MASTER TREBLE EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 MASTER 60Hz 2200 6600 GAIN RHYTHM FT.SW. RECORD RHYTHM LO GAIN EQ IN BASS...
  • Page 25 Personnal Settings Page GAIN RHYTHM FT.SW. RECORD RHYTHM EQ IN LO GAIN GAIN BASS MASTER TREBLE EQ LD2 LEAD 2 HI GAIN Formula Pre OOGIE LEAD 1 MASTER 60Hz 2200 6600 GAIN RHYTHM FT.SW. RECORD RHYTHM LO GAIN EQ IN BASS...

  • Page 26: Parts Sheet

    HI GAIN POT Pt# POT Pt# POT Pt# POT Pt# POT Pt# POT Pt# 592739 592737 592739 592738 592151 592151 Formula Pre OOGIE LEAD 1 60Hz 2200 6600 MASTER SWITCH SWITCH SWITCH SWITCH LED Pt # KNOBS (BOTH) Pt #...
  • Page 27 OOGIE The Spirit of Art in Technology Thank you for trusting MESA/Boogie to be your amplifier company. We wish you many years of toneful enjoyment from this handbuilt all tube instrument.
  • Page 28 The Spirit of Art in Technology 1317 Ross Street Petaluma, CA 94954...

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