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Friedman Dirty Shirley 40W 1x12 Tube Guitar Combo Amp with Celestion Creamback Black

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Dave Friedman's Dirty Shirley open-back 1x12" combo was designed for guitarists that want a Vintage Classic Rock tone inspired by British tube amps f...Click To Read More About This Product

Available 04-24-2018

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40-watt hand-wired 1x12 combo for vintage rock tone.

Dave Friedman's Dirty Shirley open-back 1x12" combo was designed for guitarists that want a Vintage Classic Rock tone inspired by British tube amps from the '60s and '70s. It is based on a modified JTM 45 but still delivers the signature high gain tone for which Friedman is best known. The Dirty Shirley is a 40-watt, 5881 powered, single channel amp that will give you that vintage crunch and also clean up nicely by merely backing off the guitar's volume knob. Extremely versatile, it is capable of producing many styles of music from blues to rock and country by just adjusting the gain and master controls.

This handcrafted in the USA combo utilizes tongue-and-groove Baltic Birch construction and houses a 16 ohm, 12" Celestion G12M Creamback speaker that deliver the bass, mid response and signature sound you would expect from a Friedman amplifier.

The Dirty Shirley 1x12 combo was designed to take pedal and loves boosts, OD's, phasers, flangers, tremolos and wahs, while the brand new ultra-transparent series effects loop handles your time-based effects pedals and rack units.

Handwired in the USA.

Friedman History:
Dave Friedman is the man behind the signature tones of rock icons Eddie Van Halen, Steve Stevens and Jerry Cantrell. Dave Friedman has been building, modding and repairing amplifiers for many of the world's biggest stars for the past 25 years. Friedman's innovative designs and meticulous construction have made him legendary in the world of professional touring musicians while earning him a loyal clientele from all over the world. One of Friedman's mainstays has been modifying amps to each player's specific tonal palette, and to consult with other established amplifier companies to improve their own designs.

Dave Friedman's extensive knowledge and pursuit of tonal superiority inspired him to develop his own series of production amplifiers under the name Friedman Amplification. In the past, having Friedman build or modify your amp required a certain level of notoriety, but now his sonic wizardry is available to everyday players.

Each Friedman amplifier is hand-wired in the U.S.A. using only hand selected components. You can buy with confidence because Friedman Amps are designed and built to last a lifetime.

40-watt all-tube 1x12" combo
One channel
High and low sensitivity inputs
2 x 5881 power tubes
3 x 12AX7 preamp tubes
Celestion 16 Ohm 12" G12M Creamback speaker
Gain, Master Volume, Bass, Middle, Treble and Presence
Ultra transparent series FX loop
4, 8 and 16 ohm Impedance selector switch
Custom USA-made transformers
Handwired in the USA
Limited Lifetime warranty
Dimensions: 9.5" (D) x 24.25" (W) x 22 (H)
Weight: 52 lb.

It's a real screamer that fits in your backseat! Order today!


Review Snapshot

by PowerReviews
FriedmanDirty Shirley 40W 1x12 Tube Guitar Combo Amp with Celestion Creamback

(based on 1 review)

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Reviewed by 1 customer

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(2 of 2 customers found this review helpful)


Absolutely stellar rock & roll amp


from Orange County, CA

About Me Professional Musician


  • Easy To Use
  • Excellent Sound
  • Good Warmth
  • Portable
  • Powerful


    Best Uses

    • Amateur Recording
    • Home Studio
    • Performances
    • Professional Recording

    Comments about Friedman Dirty Shirley 40W 1x12 Tube Guitar Combo Amp with Celestion Creamback:

    I went through four different Friedman amps (PT-20, SB-50, BE-100, and the X) before I stopped at the Dirty Shirley. All of them were fantastic, but to me, this amp IS rock & roll, and is my favorite of the line (the X is a close 2nd). I've had it over two years now, and I still can't wait to plug into it each day. It just has such a unique British type sound to it, that is big, punchy, not too bright, plenty of gain on tap, and just clear as a bell in a mix. Simple controls: 4 band EQ, Volume, Gain, and two inputs (high and low). I prefer running a Les Paul Custom into the "low" input, with the gain at noon or 1:00 (still plenty of gain but cleans up really well), and pushing the front end with an OD or clean boost. Sounds superb. The effects loop is flawless as well.

    This is the first time I've used a 1x12 combo playing hard rock/metal, and I'm still floored how well the Celestion Creamback holds up at band volumes, which with a loud drummer, is about 11-12:00. The open back cab gives an incredible 3D sound and feel to the amp, which is just awesome. Also sounds amazing through the Friedman 4x12.

    I still have several other amps I use regularly, but this one is definitely special. It has a sweetness you don't find in most amps. Between the Dirty Shirley and the Budda SD-45, I'm in British amp heaven. I highly recommend it for pretty much any guitar sound you'd ever need. Can do Led Zeppelin to Motley Crue just plugged straight into the amp, then any 80's hot-rodded sound with an OD in front.

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