Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated .

Sweetwater
5.0 (13)
$2,699.99
Guitar Center
5.0 (2)
$2,699.99
Amazon
$2,188.00 Used
Reverb
5.0 (7)
$2,671.15 New
$1,550.00 Used
Musician's Friend
4.0 (3)
$2,699.99
zZounds
$2,699.99
Thomann
$2,799.00

Average Price: $2,501

High-end/Boutique

$300

$801+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "Friedman Dirty Shirley 40 40-watt Tube Head". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Meet the Friedman Dirty Shirley 40 40-watt Tube Head - a vintage classic rock tone powerhouse designed for guitarists who crave that authentic British tube amp sound from the '60s and '70s. Inspired by the iconic JTM 45, this single-channel amplifier is more than meets the eye. Its 40-watt, 5881 powered heart delivers the signature high gain tone Friedman is celebrated for, while also giving you the flexibility to dial it back for a clean, vintage crunch.

The Dirty Shirley is more than just versatile - it's dynamic. With the ability to produce a wide range of musical styles from blues to rock and country, it adapts to your playing and musical needs in the moment. This is largely thanks to the three-position gain structure switch that modifies the overall gain of the amplifier, allowing you to switch between modern and vintage tones effortlessly.

When it comes to construction, the Dirty Shirley is as robust as they come. Its beautiful black Tolex and Baltic Birch build are designed to withstand the rigors of the road, ensuring it's a loyal companion for all your musical adventures. And let's not forget about its love for pedals. Boosts, OD's, phasers, flangers, tremolos, wahs - this amp is designed to take them all and make them shine.

Key Features:

  • 40-watt, 1-channel all-tube amplifier with British voicing
  • 3-position gain structure switch for toggling between modern and vintage tones
  • Ultra-transparent effects loop for your favorite pedals
  • Handwired in the U.S.A using only hand-selected components
  • Dual 5881 power tubes
  • Built to withstand the rigors of the road
  • Suitable for many styles of music from blues to rock and country
  • Comes with custom transformers and capacitors
  • Dual speaker outputs for up to 2 speaker cabs

Product specs

Type Tube
Number of Channels 1
Total Power 40W
Preamp Tubes 3 x 12AX7
Power Tubes 2 x 5881
EQ 3-band
Inputs 2 x 1/4"
Outputs 2 x 1/4"
Effects Loop Yes
Bias Type Adjustable Fixed
Construction Material Birch Plywood with Black Tolex
Power Source Standard IEC AC cable
Height 9.5"
Width 24"
Depth 8.5"
Weight 31 lbs.

FAQs

What kind of tones can I expect from the Friedman Dirty Shirley 40-watt Tube Head?

The Friedman Dirty Shirley 40-watt Tube Head delivers a vintage British-style crunch with a smooth, high-gain tone. It cleans up well when you roll back your guitar's volume, making it versatile for classic rock and blues styles.

Is the Friedman Dirty Shirley 40 suitable for gigging with a band?

Yes, with its 40-watt power, the Friedman Dirty Shirley 40 is loud enough for live performances, providing ample headroom and clarity to cut through a band mix.

Does the Friedman Dirty Shirley 40 take pedals well?

Absolutely, the Friedman Dirty Shirley 40 is known for its excellent pedal compatibility, especially with overdrive and distortion pedals, thanks to its transparent effects loop.

What is the construction material of the Friedman Dirty Shirley 40?

The Friedman Dirty Shirley 40 is constructed from birch plywood and covered with black tolex, ensuring durability and a classic aesthetic.

Does the Friedman Dirty Shirley 40 have an effects loop?

Yes, the Friedman Dirty Shirley 40 features an effects loop, allowing you to integrate your modulation and time-based effects seamlessly.

Michael Nielsen - Big Hairy Guitars

Michael Nielsen - Big Hairy Guitars

Friedman Small Box vs Dirty Shirley

Video thumbnail for Friedman Small Box vs Dirty Shirley by Michael Nielsen - Big Hairy Guitars

Friedman Small Box vs Dirty Shirley

Michael Nielsen - Big Hairy Guitars

Michael Nielsen - Big Hairy Guitars

Video thumbnail for George Lynch Test Driving The Friedman Dirty Shirley 40 watt by Dangerous Guitar

George Lynch Test Driving The Friedman Dirty Shirley 40 watt

Dangerous Guitar

Dangerous Guitar

Video thumbnail for Friedman Dirty Shirley 1x12 Combo Amp | CME Gear Demo | Brian Westfall by Chicago Music Exchange

Friedman Dirty Shirley 1x12 Combo Amp | CME Gear Demo | Brian Westfall

Chicago Music Exchange

Chicago Music Exchange

Video thumbnail for Friedman Amplification - Dirty Shirley by Friedman Amplification

Friedman Amplification - Dirty Shirley

Friedman Amplification

Friedman Amplification

Video thumbnail for Friedman Dirty Shirley - 40 Watt Guitar Head by N Stuff Music

Friedman Dirty Shirley - 40 Watt Guitar Head

N Stuff Music

N Stuff Music

Video thumbnail for GAK DEMO : Friedman Dirty Shirley 40W 1x12 Combo by GAK

GAK DEMO : Friedman Dirty Shirley 40W 1x12 Combo

GAK

GAK

Video thumbnail for Friedman Dirty Shirley - 40 Watt Guitar Head - In-Depth DEMO!! by N Stuff Music

Friedman Dirty Shirley - 40 Watt Guitar Head - In-Depth DEMO!!

N Stuff Music

N Stuff Music

Video thumbnail for Friedman Dirty Shirley ⚡️ ZEN Amp Vault Ep23 ⚡️ 40 Watts of pure bliss by ZEN Amplification

Friedman Dirty Shirley ⚡️ ZEN Amp Vault Ep23 ⚡️ 40 Watts of pure bliss

ZEN Amplification

ZEN Amplification

Video thumbnail for 2016 Gibson 335 VOS TD & Friedman Dirty Shirley 40 watt by Kelster Von Shredster

2016 Gibson 335 VOS TD & Friedman Dirty Shirley 40 watt

Kelster Von Shredster

Kelster Von Shredster

Reviews

PROS

  • Exceptional versatility, from country cleans to metal

  • Maintains clarity and richness at any volume

  • Pedal-friendly, enhancing both front-end and effects loop setups

  • Single channel with dynamic range from clean to high gain

  • Vintage tone with modern modifications for current play styles

  • Harmonic richness and touch responsiveness

  • Effective master volume, akin to built-in attenuator

  • Fat clean, crunch, and light distortion tones

  • High-quality build and components

  • Unique blend of classic amp tones (e.g., Soldano SLO and Marshall JTM)

CONS

  • Some users find it too gain-heavy for their taste

  • Perceived as not as versatile or well-constructed as some competitors

  • Price point may be high for certain budgets

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Friedman Dirty Shirley 40 40-watt Tube Head.

Features and functionality

  • The Friedman Dirty Shirley 40-watt head is reported to have an excellent effects loop, enhancing its versatility for pedal integration.

    Source
  • The silent XLR out on Friedman amps is praised for home use, allowing for quiet practice without sacrificing tone quality.

    Source

Use cases and applications

  • The 40-watt version is recommended for live performances, especially when mic'd up, to manage headroom issues effectively.

    Source
  • The Dirty Shirley can achieve a whisper-quiet volume, yet remains loud enough to compete with a drummer, making it versatile for various settings.

    Source

Comparisons

  • Users suggest the Friedman Dirty Shirley offers better components than new Marshalls, avoiding the "name tax" without compromising on quality.

    Source
  • The Friedman amps are perceived as better than Marshall for those seeking a modern take on the classic Jose mods from the 80s.

    Source

Mods and upgrades

  • A recommendation for using a Creation Audio MK 4.23 clean boost in the loop to significantly enhance the tone of the Friedman Dirty Shirley.

    Source

User experience

  • Owners emphasize that Friedman's 20-watt models are surprisingly loud, suitable even for gigs without being mic'd up.

    Source

Value and pricing

  • The current market is considered a buyer's market for Friedman amps, with many good deals appearing post-pandemic.

    Source

5.0 out of 5

Based on 0 Reviews and 4 Ratings

5 star
4 star
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1 star

Artist usage

Add artist
See how Joe Bonamassa uses Friedman Dirty Shirley 40 40-watt Tube Head

Joe Bonamassa

Singer, Guitarist

Mark Knopfler’s Guitar Heroes

...
Verified via YouTube

At 33:03 of this "Rig Rundown", Rebecca Dirks of *Premier Guitar and Mike Hickey talk about the Friedman 100 Watt Dirty Shirly prototype head.

See how Joe Perry uses Friedman Dirty Shirley 40 40-watt Tube Head

Joe Perry

Guitarist

Hollywood Vampires

...
Verified via YouTube

"This is a Dave Friedman amp, Dave Friedman from Rack Systems. This is a Dirty Shirley head. This head is pushing a 15 cabinet. It sounds so good - 5881s as well. Such nice drive with a little warmth to it. It's very warm which is why the 15s is very good. What that does is it gives him that feeling underneath that he likes to hear," says Joe Perry's guitar tech.

See how George Lynch uses Friedman Dirty Shirley 40 40-watt Tube Head

George Lynch

Guitarist

Dokken

...
Verified via YouTube

Used in this video and used on the Dirty Shirley album in 2020

See how Lzzy Hale uses Friedman Dirty Shirley 40 40-watt Tube Head

Lzzy Hale

Singer, Guitarist

Hollywood Vampires

...
Verified via YouTube

In the YouTube video "Halestorm's Lzzy Hale Plays Her Favorite Riffs" by Loudwire, Lzzy Hale is seen using a Friedman amp/head combo, which is similar to the Dirty Shirley 40-watt Tube Head.

See how Fredrik Åkesson uses Friedman Dirty Shirley 40 40-watt Tube Head

Fredrik Åkesson

Guitarist

Opeth

...
Verified via YouTube

at 15:12, he talks about using this amp

See how Nick Johnston uses Friedman Dirty Shirley 40 40-watt Tube Head

Nick Johnston

Guitarist, Composer

Mastodon

...
Verified via Truthinshredding

"I really like what Friedman Amplification is doing. I recorded my new album entirely with 2 of their heads. I used the Brown Eye/Hairy Brown Eye for all of the leads and The Dirty Shirley for all of the rhythms. I'm totally in love with those amplifiers!" -Nick Johnston

See how Chris Tapp uses Friedman Dirty Shirley 40 40-watt Tube Head

Chris Tapp

Guitarist

The Cold Stares

...
Verified via Vintageguitar

in this article Chris says he used two amps and a fuzz for Strange Lights. One of these is the Friedman Dirty Shirley.

See how Shawn Tubbs uses Friedman Dirty Shirley 40 40-watt Tube Head

Shawn Tubbs

Guitarist

...
Verified via Premier Guitar

Tubbs' Tone Zone His other amps include a Revv Generator 120, a Friedman Dirty Shirley 40, a Suhr Bella sans reverb, a Friedman BE 100 Deluxe, a Revv G20, a Divided By 13 LDW 17/39 and FTR 37, and a Suhr Badger 30.

R

Ryan Waters

Guitarist

Roadcase Royale

...
Verified via YouTube

In the "Heart's Nancy Wilson Rig Rundown with Ryan Wariner & Ryan Waters" video by Premier Guitar, at the 33:44 mark, guitarist Ryan Waters discusses the Friedman Dirty Shirley 40 40-watt Tube Head, confirming its use in his live rig.

Album Usage

The Friedman Dirty Shirley 40 40-watt Tube Head has been featured on the following albums:

Genre Usage

Based on how artists on Equipboard use this gear, it is most commonly found in the following genres.

Used With

Based on how musicians on Equipboard use Friedman Dirty Shirley 40 40-watt Tube Head, it is most commonly used with the following gear.

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3 alternative and related items for Friedman Dirty Shirley 40 40-watt Tube Head, curated by the Equipboard community.

Friedman Dirty Shirley Overdrive Pedal

$169.00 - $199.99

similar sound cheaper alternative

An amp in a box pedal designed to capture the sound of the Dirty Shirley amplifier.

Friedman Dirty Shirley Mini

$1,499.99

similar sound cheaper alternative

A 20 watt version of the Dirty Shirley, that retains the hand wired construction and all tube circuit of its big sister.

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