ACME Instruments

ACME Instruments Handmade, custom tube amps by Jesse Quitslund, made in Seattle, WA. Instagram: Boys, Shudder to Think and Holy Rollers. All handcrafted in Seattle, WA.

Founder Jesse Quitslund has worked as a touring technician over the past 25 years for: Neil Young + Promise of the Real, Death Cab for Cutie, Kanye West, Jay-Z, Yeah Yeah Yeahs, Neko Case, Queens of the Stone Age, Modest Mouse, Bob Mould, Lucinda Williams, The New Pornographers, Young the Giant, Grouplove, Gang of Four, The Fire Theft, Sunny Day Real Estate, Girls vs. He also played bass in Capito

l City Dusters. ACME Instruments was born as a brand around 1990 when Jesse built a series of guitars and basses as an Industrial Design student at Rhode Island School of Design. From the beginning, his creations were inspired by his favorite vintage equipment, influenced by his experiences as a repair person, and driven by a love of fine hand crafting. When he began building tube amplifiers he was working at Angela Instruments and Budda Amplification, where both Steve Melkisethian and Jeff Bober were big influences on his tastes and techniques. Around the same time he built his first tube amp his work as a touring technician turned into a steady gig. By the late 90’s he was also busy working on recording studio installations and began collecting and restoring old tube broadcast consoles. In 2004 he moved his shop and vintage equipment collection (all 10,000 pounds of it) to Tacoma, WA, where he started working for Rik King at Guitar Maniacs. His parts-collecting escalated to buying out electronics supply stores, TV repair shops, and notably local institution Puget Sound Organ Repair, a gold mine of vintage parts and service literature. This was the beginning of the amps and reverb units ACME Instruments now fabricates.

It’s a tough choice, but I’m thinking I’ll scrape together an xtra 6 bones for the LOUD MOUTH. Whadda bout you?
07/26/2026

It’s a tough choice, but I’m thinking I’ll scrape together an xtra 6 bones for the LOUD MOUTH. Whadda bout you?

The 1961 Fender branded Spanish 12AX7 story has taken a surprising turn! A couple knowledgeable readers of my last post ...
06/23/2026

The 1961 Fender branded Spanish 12AX7 story has taken a surprising turn! A couple knowledgeable readers of my last post were curious if there were any etched numbers on these tubes. On closer inspection 🧐 I noted not only are each of the three subtly different in their markings but there is one, just one, with four numbers etched on it. They are hard to make out and even harder to capture in a photo, but pretty clearly read 0666 👀

Given the quality of Spanish horror films I can only imagine what would happen if you played the devil’s music through this valve. In the photo, which quickly dissolves into an industrial landscape, maybe you can see the 666? Lightly overlapping on the right hand side you might also make out light white screened letters PAIN. Spooky Scary! Ran ‘em thru my tester, and true to my first impression on hearing them, two of them test on the weaker side. Not surprisingly the one marked 7025 tests very strong, better than two of the Bugle Boys! The Truth About Vintage Amps

WHAT THE WHAT!? 🤯 I love seeing new things I had no idea existed! In this case what appear to be Fender branded 12AX7 tu...
06/20/2026

WHAT THE WHAT!? 🤯 I love seeing new things I had no idea existed! In this case what appear to be Fender branded 12AX7 tubes from 1961 that were manufactured in Spain(a bit hard to read on the right hand one), which may well be true as never have I ever seen silver plate structures like this. Stock in ‘61 Bandmaster. I’m going to have dig up my Barcelona made CMB showman copy and check what kinda 12AX7s it has. Any black belt tube nerds out there ever spied these before? About to find out how they sound…

Never seen one of these Crest branded Magnatones before. It was close to a Starlet model, and I converted it from a powe...
06/02/2026

Never seen one of these Crest branded Magnatones before. It was close to a Starlet model, and I converted it from a power transformerless ‘widow-maker’ circuit to a more conventional Varsity #108, the step up model from the same time period. Inspiration 💯 belongs to Skip from thanks fellas! All that was needed was the addition of a power transformer, and a minimal number of other changes. I’ll get some guts shots together now that I’m done tweaking👨🏻‍🔬super happy with the results!

Portrait of a Junk Yard Dog. Cleaning out the garage and threw this together, a 50’s(?) Don McGohan M 8 PA paired with a...
05/18/2026

Portrait of a Junk Yard Dog. Cleaning out the garage and threw this together, a 50’s(?) Don McGohan M 8 PA paired with a 16 ohm(!) Philco 12”. Not sure about the cabinet, Silvertone maybe? The M 8 circuit is wacky, both triodes in the 12AX7 are grid leak biased, so it’s a dirt box! The only other grid leak second gain stage I’ve seen was in a Newcomb and it also sounded too kool to mess with. The single ended 6L6 may well be good for 8 watts too, it moves some air plugged into a 4x12! Here’s to all the Hillbilly Rigs out there

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