Welcome

Welcome to the home of Mr. Valco and all things Valco. I service and even build custom Valco-based amps, as well as service Fender, Gibson, Marshall, Danelectro or most any Vintage amp. Let me know if you need my help or have any questions and thanks for stopping by! - Terry Dobbs (a.k.a. Mr. Valco)

Latest Activity

Stephen Kimberley posted a blog post

Omega amps is it a VALCO?

Hey guys - I just scored an Omega amp (metal logo, typical valco type supro style cab with spaghetti detail on tolex and grill clothe, two tone with angled side panels - pictures later). It shows 59 dates, and has 3 AX7s followed by 2 6V6s (replaced with 6L6s) and a coke bottle RCA rectifier tube. It sounds amazing with great vibrato and crunch although humbuckers cause a weird octal rattle at the low end - single coils work great. Two channels with typical valco set up with top mounted…See More
14 hours ago
Eric Kettenburg replied to Eric Kettenburg's discussion 1624T schematic, versions 1 and 2.
"Yes, the first version was 6V6 and then sometime around 1959 it was switched over to 6973, which were used in all subsequent versions."
20 hours ago
Mojave Johnson replied to Eric Kettenburg's discussion 1624T schematic, versions 1 and 2.
"So version 2 came with the 6973's, too?  I have good close up pics of the chassis.  I'll check them out when I get home."
21 hours ago
Eric Kettenburg replied to Eric Kettenburg's discussion 1624T schematic, versions 1 and 2.
"1959 will still be version 2.  If you open it up, look at the first 12AX7 socket (inside chassis) and follow the wire connected to pin 3 (counting clockwise from the open spot on the socket).  You'll need a flashlight to try to see up…"
23 hours ago
Mojave Johnson replied to Eric Kettenburg's discussion 1624T schematic, versions 1 and 2.
"Thanks, Eric!  That helps a lot!  The trem does work very well, it's just too fast to be really useful for much.  What I've been doing is using the Supro for the grit, daisy-chained with my Vibro Champ for the trem. …"
yesterday
Eric Kettenburg replied to Eric Kettenburg's discussion 1624T schematic, versions 1 and 2.
"I would suspect Mr. Zinky needs to revisit the 1959 catalog if he missed the 1624T being loaded with a 12" speaker!  They all are. They usually all need some minor servicing at the least, frankly the tone improves as you're not…"
yesterday
Mojave Johnson replied to Eric Kettenburg's discussion 1624T schematic, versions 1 and 2.
"I bought a 1959 Supro 1624T (I'll post pics later) back in 1999 for just $300, which I thought was a steal back then, given the absolute MONSTER tone it creates.  I really didn't even consider the "Jimmy Page…"
yesterday
Mojave Johnson is now a member of Valco Amp
yesterday

Schematics & Forum

1624T schematic, versions 1 and 2.

Started by Eric Kettenburg in Ask Mr. Valco a Question!. Last reply by Eric Kettenburg 20 hours ago. 9 Replies

Weird Valco Chassis

Started by Robert Smith in Ask Mr. Valco a Question!. Last reply by Eric Kettenburg on Tuesday. 21 Replies

New to forum

Started by mark enger in Ask Mr. Valco a Question!. Last reply by Terry Dobbs Apr 16. 1 Reply

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My Ebay Listings

Check out my Valco auctions on Ebay. Don't miss a chance to get some well-serviced amps and rare Valco parts. My seller name is muddobber5.

History of Valco

The Valco company has its roots in the National String Instrument Corporation, which was founded in 1927. The company is famous as the first manufacturer of resonator guitars, which were hugely popular in blues and (a bit later) bluegrass music. National merged with the Dobro company, another maker of resonator guitars, around 1932 to form the National Dobro Corporation. The company began producing electric instruments in the 1930s that included electric guitars, lap steels, mandolins and amplifiers. These pre-war electric instruments are fairly rare today, though the lap steels pop up with some regularity. The archtop bodies for the guitars were sourced from Regal and then from Kay, but the electronics were developed and manufactured by National-Dobro. The Supro brand name was introduced in the mid-‘30s for cheaper electric instruments.

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