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Average Price: $1,225

High-end/Boutique

$300

$801+

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High-end

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Description

Drawing inspiration from vintage British tube amps of the '60s and '70s, the Friedman Dirty Shirley Mini is a marvel of compact power and versatility. This 20-watt head version of the popular Dirty Shirley series packs a punch with its EL84 power tubes, delivering the signature British tone that has enamored guitarists for decades. Whether you're chasing classic rock crunch, bluesy warmth, or country twang, this amp head can seamlessly deliver with just a turn of its intuitive knobs.

The Dirty Shirley Mini doesn't just stop at providing a wide array of tones; it also offers unparalleled responsiveness. Its three-position gain structure switch lets you fine-tune your sound, while the amp's dynamic response ensures you can clean up your tone by simply rolling back your guitar's volume. The straightforward control layout with passive bass, middle, and treble controls means that dialing in your ideal sound is a breeze.

Designed to be pedal-friendly, the Dirty Shirley Mini features an ultra-transparent effects loop, allowing your favorite time-based effects to shine. Its robust construction, with tongue and groove Baltic Birch, ensures durability whether you're in the studio or on the road. Ideal for today's gigging musicians, the Dirty Shirley Mini is the perfect centerpiece for any guitar rig, offering both power and portability without sacrificing tone.

Key Features:

  • 20-watt tube guitar amplifier head
  • Powered by EL84 tubes for British-inspired tones
  • Three-position gain structure switch for versatile sound shaping
  • Built-in transparent effects loop for seamless pedal integration
  • Compact design with a simple control layout
  • Handcrafted in the USA for reliable performance

Product specs

Brand Friedman
Model Mini Dirty Shirley 20-Watt Guitar Amp Head
Finish Black
Year 2017 - 2025
Made In United States
Categories Guitar Heads
Built-In Effects No Built-In Effects
Color Family Black
Electronics Tube
Impedance 16 ohms, 8 ohms
Number of Channels 1 Channel
Number of Inputs 1 Input
Output Power (Watts) 20
Power Tube Type EL84
Reverb None

FAQs

What type of tubes does the Friedman Dirty Shirley Mini use?

The Friedman Dirty Shirley Mini uses three 12AX7 tubes in the preamp and two EL84 tubes in the power amp, providing a classic tube-driven sound.

How many channels does the Friedman Dirty Shirley Mini have?

The Friedman Dirty Shirley Mini is a single-channel amplifier, designed for straightforward operation and delivering a range of tones from clean to high-gain.

Does the Friedman Dirty Shirley Mini have an effects loop?

Yes, the Friedman Dirty Shirley Mini features an ultra-transparent series effects loop, allowing you to integrate your favorite effects seamlessly.

Is the Friedman Dirty Shirley Mini suitable for gigging?

With 20 watts of tube power, the Friedman Dirty Shirley Mini is suitable for small to medium-sized gigs, offering enough volume to cut through in a live band setting.

What is the impedance range of the Friedman Dirty Shirley Mini?

The Friedman Dirty Shirley Mini supports 4, 8, and 16 ohms, making it compatible with a variety of speaker cabinets.

Doug Rappoport

Doug Rappoport

Friedman Dirty Shirley Mini and Doug Rappoport

Video thumbnail for Friedman Dirty Shirley Mini and Doug Rappoport by Doug Rappoport

Friedman Dirty Shirley Mini and Doug Rappoport

Doug Rappoport

Doug Rappoport

Video thumbnail for Friedman Amplification - Dirty Shirley Mini by Friedman Amplification

Friedman Amplification - Dirty Shirley Mini

Friedman Amplification

Friedman Amplification

Video thumbnail for Review Demo - Friedman Dirty Shirley Mini Combo by Premier Guitar

Review Demo - Friedman Dirty Shirley Mini Combo

Premier Guitar

Premier Guitar

Video thumbnail for Friedman Dirty Shirley Mini - HUGE TONE in a SMALL BOX! by Johan Segeborn

Friedman Dirty Shirley Mini - HUGE TONE in a SMALL BOX!

Johan Segeborn

Johan Segeborn

Video thumbnail for FINALLY! Friedman Dirty Shirley Mini review by The Guitalian

FINALLY! Friedman Dirty Shirley Mini review

The Guitalian

The Guitalian

Video thumbnail for Friedman Dirty Shirley Mini - One of my favorite amps of all time! by Kelster Von Shredster

Friedman Dirty Shirley Mini - One of my favorite amps of all time!

Kelster Von Shredster

Kelster Von Shredster

Reviews

PROS

  • Emulates British sound, especially JTM 45, effectively

  • Compatible with fuzz and overdrive pedals

  • Built-in effects loop enhances pedal sounds

  • Touch-sensitive and responsive at any volume

  • Controls significantly affect tone shaping

  • High-quality build and sound

  • Versatile, suitable for gigs and home use

  • Can achieve loud volumes with minimal setting adjustment

  • Works well with different cabinet and speaker combinations

  • Maintains quality sound across small to medium-sized rooms

CONS

  • Clean tone may not satisfy those seeking a Fender-like sound

  • Requires an attenuator for optimal low-volume, bedroom-friendly levels

  • Bright sound might necessitate darker speakers for warmth

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Friedman Dirty Shirley Mini.

Features and functionality

  • The amp maintains pristine cleans even with the gain dimed and the gain structure switch in aggressive mode, showcasing its versatility.

    Source
  • The amp lacks a footswitch for the gain switch, which some users wish it had for easier live performance adjustments.

    Source
  • The Dirty Shirley Mini's three gain settings act as powerful tone controls, providing dynamic sound-shaping capabilities with the analog bass, mid, and treble controls.

    Source

User experience

  • Owners find no bad tones in the amp regardless of EQ settings, highlighting its consistent sound quality across different configurations.

    Source
  • Some owners use compressors, like the Xotic SP, to achieve cleaner tones by acting as an underdrive.

    Source

Use cases and applications

  • The Dirty Shirley Mini is loud enough to gig with a loud band and another guitar amp, such as a 50w Marshall through a 2x12 cabinet.

    Source
  • Owners appreciate the amp's ability to achieve a high-quality blues tone, particularly when using low gain settings.

    Source
  • Despite having a Mesa Boogie, some owners prefer the Dirty Shirley Mini, highlighting its unique appeal even among high-end amp collections.

    Source
  • For heavier shoegaze projects, the Dirty Shirley Mini can provide a clean-ish edge of breakup tone suitable for non-pristine needs.

    Source

Comparisons

  • Compared to the Runt 50 and vintage Marshalls, the Dirty Shirley Mini holds its own and complements these amps well.

    Source
  • The Dirty Shirley Mini is considered more of a modern hard rock amp compared to the PT20, which is seen as less Plexi-like without the gain switch.

    Source
  • The EHX Mig50 offers a 50-watt Bassman/Plexi circuit as an alternative, but users note it's larger and heavier than the Dirty Shirley Mini.

    Source
  • The Tyler Ampworks JT-46 is recommended as a budget-friendly handwired plexi-type circuit option.

    Source

Critic Reviews

Friedman Dirty Shirley Mini Review - Premier Guitar

premierguitar.com

The Friedman Dirty Shirley Mini packs a punch in a compact package, offering robust British-flavored classic rock tones. Its three gain-stage settings deliver a variety of sounds from clean to a rich, vintage growl, making it versatile for different musical styles. Despite its small size, it maintains a strong presence on stage, though the rear panel's accessibility and lack of reverb could be drawbacks for some users. Overall, it's a sturdy, well-built amp with a premium price tag that justifies its quality and tonal flexibility.

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Artist usage

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See how George Pajon, Jr. uses Friedman Dirty Shirley Mini

George Pajon, Jr.

Guitarist, Music Producer

Black Eyed Peas

...
Verified via Premier Guitar

According to a rig rundown by Premier Guitar, authored by Tzvi Gluckin, George Pajon, Jr. uses the Friedman Dirty Shirley Mini.

Genre Usage

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