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Andy Gray’s FireFly amp

The FireFly project was a very popular build at www.ax84.com (which became https://perpetualinnovation.us/MyBBDir/ some years ago). Andy used the Amp Maker 190-0-190V power transformer for his build, and kindly sent photos in to show the true point-to-point layout he came up with. Note that it has a switch for using 12AU7 for around 1W or

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Mark’s converted combo

Here’s an unloved solid-state amp that’s been given a new lease of life. In this case, Mark has used Amp Maker’s 36W transformer set and JJ valves to turn an old ValveState Marshall into a fire-breathing all-valve amp. Some jobs were clearly easier than others: “The output transformer fitted into the chassis without modification and

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Jef Grainger’s Dumb Blonde

  “Really pleased with the result! Christened her the ‘Dumb Blonde’ due to her modest complement of knobs! The Cab is one of Chris’, in ivory tolex. Superb finish. I added a custom handle as I’ve never liked the Marshall-style ones. Panel text is by inkjet water-slide transfers, and the cab logo is a water-slide

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Jonas Broman’s PP-18

Jonas has completed his 18W amp in both PP-18 and SL-18 forms. “The cabinet (inspired by the Marshall smallbox) was built by myself using MDF from the local shop and tolex etc mostly from Tube Amp Doctor. I also designed the logo (using the early ’60s Marshall block logo as inspiration) and ordered it from

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Howard’s two-tone PP-18

Burgundy and cream is one of those colour schemes that always looks classy, as in this rexine-covered head cabinet. Especially like the double ventilation slots at the rear. “Finished the amp end of last summer, have built a matching 2×12 cab to go with it.”

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Harvey Brades’ ’50s flashback

“Will send some pictures, guaranteed you will be impressed,” said Harvey’s email. He wasn’t wrong: this retro cabinet is as wonderful as it is crazy. The 18W circuit was borne out of the ’50s WEM Dominator circuit, so this combo design is very appropriate. Can’t imagine how tricky that was to plan, cut and glue.

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Billy Hammersley’s PP-18

“I just thought I’d finally send you a couple of pics of my amp. I’ve only just got the logo plate done. The 2×12 cab was made by Chis and the head cab I had bought from Ebay before I even got the kit from you. And coincidentally I later realised that I had bought

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Keith’s super-tidy PP-18

I like to see attention to detail, and this amp has it in abundance: the wiring layout is text-book and the cabinet finishing is just as good. Proof, if any were needed, that with care and time, even first time amp makers can create an amp that has the build standards of a boutique builder.

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Luca De Rugeriis’ VVRed PP-18

I love this colour combination: wine with white piping. “I’d seen a Mesa Stiletto with that covering and I fell in love.” Luca found a local cabinet builder to do the work. Look closely and you can see a third control knob added to the PP-18’s usual two. Internally, Luca has added VVR (a circuit

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