![]() ![]() However, I will ship the amp if the buyer covers the actual shipping cost. I asked for his honest opinion of the amp, and there it is. The cabinet is currently loaded with a 1960’s Rola AlNiCo speaker, which I really enjoy.Īlas, I am not much of a guitar player, so this amp has mostly sat collecting dust since I built it in 2019… so, it’s time for it to find a new home with someone who will enjoy it! This is truly a unique amp that deserves to be played.Ī sound clip is worth more than a thousand words, so please check out Doug Fraser’s demo of this amp. The control panels were custom designed and fabricated for this amp, as was the cabinet. I used NOS Wima TFF capacitors throughout the signal path - exactly the parts that were used in many of the originals! Where original parts weren’t practical, I sought out the best modern equivalents: Mercury Magnetics output transformer Allen Amps (Heyboer) power transformer Sprague and F&T electrolytic capacitors, and Dale metal film resistors. Tom Jennings, the president of Vox, resented having to pay the 1 per amp licensing fee charged by Hammond Accutronics fee for the use of their patented reverb pan. ![]() Where possible, I stuck to the original Vox schematic. The info I have read (indicates that: The AC10SRT used the infamous Vox crystal phono cartridge based reverb pan. Measure the pot resistance and then replace with a 1/2w fixed resistor with that value. NAM models marked N feature the original circuit and are the most full thick. It has an exceptional clean tone with a sparkly top end and can be driven into a harmonically rich distortion. Now set the Depth to max and adjust the other pot until you are happy. The AC10 SRT+ NAM model pack seeks to recreate the tone of a Henry SRT+, clone of a 60s VOX AC10 SRT. It took me over a year of research, part hunting, and development work to put this amp together. Re: AC10 SRT Clone - Tremolo thumping issue. Like its bigger brother, the AC-15, the AC10 Super Reverb Unit power amplifier section was powered by two EL84 power tubes in a Class A, cathode biased, no negative feedback amp circuit. Just finished this guy up, its based on the original schematic above, after following the trail, dodging booby traps, and incorporating a Fender-ish single tube reverb (the extra tube as a plate mixer seemed a little unnecessary after feeling happy with these results in the prototype). The sound is truly incredible, so I decided to build one for myself! The 'AC10 Super Reverb Unit' and the original 'AC/10 Amplifier No 3' circuits were produced concurrently by Vox in 19. I first learned about the AC10SRT from the Doug and Pat Show on YouTube - they use an original for many of their demos. ![]() It’s estimated that only a few hundred were ever built, so originals are extremely hard to find. The VOX AC10SRT (SRT = Super Reverb Twin) is an obscure amp that was only offered in 1964/65. ![]()
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