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Warm Audio Warm Audio

Warm Audio Dirty Boy Jr. Overdrive Pedal

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Overview

A compact all-analog overdrive, preamp and amp-sim pedal with variac-style sag.

Some overdrive pedals are built to push an amp, but the Warm Audio Dirty Boy Jr. Overdrive is designed to work as an overdrive, preamp and all-analog amp simulator in one compact stompbox. Created in collaboration with boutique pedal manufacturer Dirty Boy Co., this Jr. version recreates the Dirty Boy Preamp circuit with proprietary T.A.E. tube amp emulation technology for touch-sensitive response, tube-like harmonic saturation and dynamic cleanup. Gain, tone, volume and variac controls shape everything from transparent boost to saturated breakup, compression and voltage-starved textures, while dedicated preamp and speaker-emulated outputs make the pedal useful on stage, in the studio or direct into a rig.

Dirty Boy Preamp Character in a Pedalboard Format

Warm Audio worked with Dirty Boy CEO Danny Gomez to capture the amp-like tone and boutique overdrive feel of the original hand-built Dirty Boy Preamp pedal. The all-analog circuit can function as a tube-style boost, overdrive, FX-loop preamp or standalone amp simulator, giving players a flexible foundation for traditional amp rigs and direct setups alike. Its response is voiced for vintage British-style amplifiers, with enough range to cover edge-of-breakup rhythm sounds, saturated lead tones and more compressed drive textures.

T.A.E. Technology and Variac Control

The proprietary T.A.E. tube amp emulation circuit gives the Dirty Boy Jr. Overdrive its amp-simulation behavior, while the speaker-emulated output is voiced after a closed-back 4x12 Greenback-style cabinet. That output allows the pedal to connect directly to mixers, interfaces, front-of-house systems or FRFR speakers without requiring a traditional amplifier. The variac control introduces sag and compression through calibrated voltage reduction, helping simulate the feel of older tube amps at different stages of breakup.

Analog Signal Path for Live and Studio Rigs

True analog signal path design, 1/4" input, preamp output and emulated output jacks make the Dirty Boy Jr. Overdrive adaptable for pedalboards, recording setups and direct-performance rigs. The compact metal enclosure features authentic Dirty Boy boutique styling and runs on standard 9V center-negative power. Hand-tested in Austin, TX, the Warm Audio Dirty Boy Jr. Overdrive pedal brings boutique overdrive, preamp tone, variac-style sag and direct amp-sim utility into a road-ready format.

Features

  • Amp-like overdrive, preamp and analog amp simulation in one pedal
  • Authentic Dirty Boy Preamp circuit delivers British-inspired drive character
  • Proprietary T.A.E. technology recreates tube amp feel and response
  • Gain, tone, volume and variac controls shape drive and dynamics
  • Variac control adds vintage-style sag and natural compression
  • Speaker-emulated output supports direct recording and live performance
  • Dedicated preamp and emulated outputs expand routing flexibility
  • All-analog signal path preserves touch sensitivity and articulation
  • Metal enclosure with authentic Dirty Boy styling
  • Hand-tested and inspected in Austin, TX

Add boutique amp-like drive, preamp tone and direct amp-sim routing with the Warm Audio Dirty Boy Jr. Overdrive pedal.

Specs

Dirty Boy Jr. Overdrive Pedal Specifications:

General
  • Product type: Overdrive pedal
  • Series: Dirty Boy Jr.
  • Model: WA-DBjr-OD
Circuit
  • Circuit type: All-analog overdrive and amp simulator
  • Circuit inspiration: Dirty Boy Preamp
  • Technology: T.A.E. tube amp emulation
  • Bypass: True bypass
  • Voicing: Vintage British-style amplifier response
  • Speaker emulation: Closed-back 4x12 Greenback-style cabinet
Controls
  • Controls: Gain, tone, volume, variac
  • Variac function: Sag, compression and voltage-starved textures
Connectivity
  • Input: 1/4" instrument
  • Preamp output: 1/4"
  • Emulated output: 1/4"
  • Input impedance: 1 MOhm
  • Output impedance: 6.5 kOhm
Power
  • Power requirement: Standard 9V center-negative power
Construction
  • Enclosure: Metal
  • Design: Authentic Dirty Boy boutique styling
Dimensions and Weight
  • Dimensions: 4.8" x 2" x 2.6"
  • Weight: 0.6 lb.
Other
  • Country of origin: China
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