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Here for sale is my JMI-era Vox AC30 head. I've owned it since 2007 and it's done over 150 gigs in that time without ever letting me down. Vox serial numbers (see photo) don't help much in dating their amps, but the combination of i) basketweave vynide, ii) black plastic corners, iii) black plastic vent covers, iv) the absence of any top boost and v) a copper (as opposed to grey) control panel very probably dates the amp to late 1963 or early 1964.

As you'd expect, it's a great sounding amp. I tend to patch the Normal and Brilliant channels and place a Weber attenuator between the amp and the cab so i can crank it up without deafening everybody. I also often use a treble boost in front of the amp. This set up gives me fabulous classic rock heavy crunch tones that retain the AC30's tremendous note separation, and which clean up with the guitar volume control. But with the amp turned down and without the attenuator, and then it produces great chimey clean tones. So it's everything you expect from a vintage AC30.

The amp was in full working order when I bought it but it needed a little bit of mainly cosmetic attention. I have given it two phases of restoration. The first was in 2008, when Steve Malam, the renowned amp tech, did the following: replaced the plywood shelf on which the chassis stands; replaced the plywood rear panel, covering the new panel with new basketweave vynide and attaching the manufacturer's plate; fitted new, period-correct vent covers and single-nail corners; re-covered the front panel with new brown diamond grillcloth and new tadpole piping; fitted a new, period-correct small 'Vox' logo (though I have never fitted a small 'Supertwin' logo - almost all supertwins have lost them and I can't find any new replacements); cleaned the chassis; fitted a new non-original Vib-Trem footswitch; replaced the pots and valve bases; replaced electronic components that had drifted out of spec; changed a capacitor so the amp now conforms to the 'AC30-T' (i.e.'treble') variant, rather than its original 'AC30-N' (i.e. 'normal') form as referred to on the rear plate; hardwired the voltage selector to the 245V position; and added a chassis label clearly explaining how to select the 8 ohm or 16 ohm output transformer tap. Please note that the amp can easily and cheaply be changed back to the AC30-N format by any competent tech. Subsequently, in 2011, the also-renowned amp tech Steve Dove carried out another phase of work, focussed on the replacement of further out-of-spec components.

Nevertheless, after these episodes the amp remains very largely original, including the main cabinet and the vynide covering, the chassis, the copper panel, the chicken-head knobs, both transformers, and the great majority of the electronic components. The valves currently consist of four matched JJ EL84s in the power stage and an NOS Brimar GZ34 rectifier; as for the preamp valves, V1 and V2 are NOS Tung Sol and Mullard ECC83s/12AX7s respectively, while V4 and V5 are GT ECC83s/12AX7s, and V3 is an NOS Mullard ECC82/12AU7.

The original basketweave vynide shows signs of the amp's almost 60-year working life, with various knocks, cigarette burns etc (see photos), but for me this just adds to the amp's authentic vintage vibe.

So this is a great sounding vintage AC30 head in full working order and with a great vintage look. I'm sad to sell it, but I haven't gigged it for five years since I was forced to downsize to a smaller lighter rig. I've fired it up several times over that period, including taking it into the studio in January, and it works perfectly every time. I would prefer the buyer to collect in person (I'm in Leicester), but I can have it delivered to anywhere in mainland UK for £35 at the buyer's expense. Sorry, but I can't ship it outside mainland UK.

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

Listeda year ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.Learn more
Brand
Model
  • AC-30/6 Twin Bass 3-Channel 30-Watt 2x12" Bass Combo
Finish
  • Brown Diamond Grillcloth & Copper Panel with Black Basketweave
Categories
Year
  • 1963-4
Made in
  • United Kingdom
Speaker configuration
  • 2x12"

Terry's Guitar Stuff

Leicester, United Kingdom
Joined Reverb:2023

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