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Peavey Classic 20 Mini Guitar Amp Head



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    Product Description

    The Peavey Classic series of amplifiers have been incredibly popular with guitarists all over the world for its period accurate vintage clean and crunch vibes. This mini 20w head version of this amazing amplifier offers up all of the tone of its big brothers but with a few added tweaks that make it more usable both at home and in the studio.

    Sweet Tones

    Using an all tube preamp and poweramp circuit the Classic 20 can go from crystal cleans to a dirty crunch perfect for blues rock. These tones are spread wonderfully over two channels that are controlled with a shared EQ and reverb but different volume controls.

    On channel 1 you just have a single volume control set at an ideal input gain so your get the most clean headroom possible out of this little amp. Channel 2 however has both a pre and post gain section that lets you get those dirty and crunchy tone we all love.

    Best of all you can get these tones anywhere thanks to the 3 position attenuator which can take the amp down from 20w to 5w or 1w.

    Digital Spring Reverb

    With the head being so small you can't really fit a full spring reverb unit inside. So Peavey instead opted to use a high quality digital circuit for the reverb that carefully replicates a traditional spring circuit for a sound that gets as close as possible to the real thing.

    Simulated Output

    Across their micro amps range Peavey have introduced their MSDI circuit. This circuit not only has a mic simulated output via XLR, USB and 3.5mm jack but it also features a speaker defeat switch. When engaged the amplifier doesn't require a cabinet to run safely so you can just run this straight in to your audio interface or mixer for cab-less playing. Not only great for keeping the noise down at home but also reducing stage noise live.

    Finishing off the cool new tech out also have a pair of T.S.I. or Tube Status Indicators on the front which constantly monitor your power amp valves and will let you know when they need changing.

    Here's what Peavey say about the Classic 20 MH

    Revered by blues, country and rock players alike, Peavey Classic amps span the tonal landscape from vintage to contemporary with ease, and the Classic 20 MH provides that tone in a highly portable package. The all-tube, 20-Watt Classic 20 MH is powered by two EL84 power tubes and 3 12AX7/ECC83 preamp tubes. It has two channels that follow the same gain structure and voicing of the Peavey Classic series amps for pure and versatile tone. The channels share a three-band EQ, lush reverb and an effects loop. The channels, effects loop and reverb are all footswitchable. Peavey's TSI tube monitoring alerts players of power tube status, and in the event of a necessary tube replacement, identifies which tube needs to be replaced. Rear panel features such as a Microphone Simulated Direct Interface (MSDI) with XLR output and USB out, speaker defeat switch and 3 position power attenuator switch make the Classic 20 MH mini head perfect for studio environments.


    • Attenuator switch for 20 watts, 5 watts or 1 watt output power
    • Two EL84 power tubes and three 12AX7/ECC83 preamp tubes
    • Two footswitchable channels with 3-band EQ
    • Footswitchable global volume boost, reverb, and effects loop
    • Tube Status Indication (T.S.I. circuit
    • MSDI Output with XLR and ground lift switch
    • USB Output
    • Speaker defeat switch
    • Headphone output.
    • Impedance switch for 16 or 8 ohm cabinets
    • Weight Unpacked: 16.75 lb(7.6 kg)
    • Weight Packed: 20.50 lb(9.3 kg)
    • Width Packed: 13.25"(33.655 cm)
    • Height Packed: 19.375"(49.2125 cm)
    • Depth Packed: 12.375"(31.4325 cm)
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    Here at Andertons Music Co. we believe that we stock some of the best musical equipment in the world. That's why we want to make it as quick and easy as possible for you to get your order, safe and sound!

    We offer a wide range of delivery options to help fit around your busy lifestyle without compromise. This includes free, named-day delivery for most UK postcodes on orders over £99 which are in stock, Saturday & Sunday deliveries, and competitive delivery rates worldwide.

    Please note: Some UK postcodes including remote areas and Northern Ireland are subject to charges.

    You can find full details about the services we offer, including details on our international delivery charges, on our main delivery page. Click here to read more.

    Customer Reviews


    6 reviews





    Mr. Johnny Sharp30th Mar 2022

    Bang for buck this thing rocks!!

    Value 5Looks 5Durability 5Sound 5

    Mr Nicholas Day14th Mar 2022

    Value 5Looks 5Durability 5Sound 5

    James Ivey7th Jan 2019

    If you need something simple yet great sounding can't really go far wrong.

    Mr Danny Edwardson26th Oct 2018

    Great amp , packed with features, light and portable! I will be using it tonight as its plenty loud for a gig!

    Pete15th Jun 2016

    Lovely tone. Brightness and warmth available by adjusting the bass, mid and treble. Amazing amount of volume. Most of the time at home I've selected the 1w or 5w setting instead of the 20w and even then main vol has been set to only just on. I'm using this with the Celestion Vintage 30 speaker and love the mellow warm tones.

    Trusted Customer7th Jan 2016

    Great mini head. Very light! Clean channel takes pedals extremly well. Dirty channel bit too brutal for my taste but amateurs of heavy sound will love it. I jammed with band recently. I used half volume on clean channel in 5 watts mode! Tons of headroom. Great gigging amp...

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