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

Richard Rohrs is now a member of Valco Amp
25 minutes ago
Gwyn Davies posted blog posts
9 hours ago
Gwyn Davies posted a status
"Amplifiers ! I just love them."
17 hours ago
Profile IconSteve Siculan, Stephen Kimberley and Hank joined Valco Amp
Terry Dobbs replied to mark enger's discussion New to forum
"Hi Mark,  The New Russian 6973's sonically are not as good as old stock. The 6CZ5 can be a good sounding substitute and are still relatively inexpensive. The 6ZC5 doesn't sound exactly like the 6973. They have a bit less headroom and…"
mark enger posted discussions
mark enger posted photos
mark enger is now a member of Valco Amp

Schematics & Forum

New to forum

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

New to forum

Started by mark enger in Ask Mr. Valco a Question! on Thursday. 0 Replies

National 1210 serial location

Started by Bryon Zammit in Ask Mr. Valco a Question!. Last reply by Leon C on Wednesday. 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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