A few months back I talked about how great the Univox U-45 is. And I figured I’d talk about more vintage Univoxs this month—specifically the 305-B which is a really great amp with 6973 output tubes. And I will (promise) do a column about that model Univox, but I stumbled onto this rare Guyatone this month and wanted to share this rare bird with the My Rare Guitars world. So, while I am stepping away from the Univox models, I’m still stuck in Japan in the 60’s with this Guyatone GA-530A.
Class A tube guitar amps. Everyone’s heard the term. It’s generally associated with higher-end amps in support of an amp maker’s claim that their product sounds “better”. I’ll leave the debate as to which is better to others. What I want to discuss is what Class A really means and, from the pet peeve perspective, to debunk many amp manufacturers’ claims that their products are Class A when clearly they’re not! You may be surprised at how many amp makers falsely claim Class A operation. So, let’s review, in practical terms, what Class A really is and learn a simple rule of thumb you can use to spot operating class BS!
In addition to my monthly rants and raves here in Guitarticles, I also donate some experience and opinions in the design and development of many EASTWOOD guitar models. So, last month Mike Robinson of Eastwood Guitars sent me a prototype of his new Airline 18-Watt Handwired Combo Amp for review. The AMP is scheduled for release in October. Despite UPS’ efforts to the contrary, it arrived in perfect condition with a black – almost “bedliner” looking covering – a different take from the usual Tolex treatment. This material is very tough and cleans up nicely. The Airline sported an Emminence Red Coat speaker which looks to me to be a copy of a Celestion Vintage 30, which by the way is one of my favorite speakers.
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