I spotted the same thing and emailed Adam about it.
I work in the head office a well-known large electrical retailer and you wouldn't believe how many samples of "Valve" HiFi amplifiers the poor audio buyers have proudly brought to me, only to be told: "That's NOT a valve amplifier. That's a fairly run-of-the-mill solid state amplifier with a couple of valves tacked on for decoration!"
Most of the time you can pull the bloody valves out and the thing still works!
When I read that the VA5 could magically get 5 Watts using a single 12AX7, I immediately went: "Here we go; a valve preamp driving a bog-standard transistor power amplifier!"
But when I looked more closely, I saw the 6V6 power pentode, which they'd neglected to mention!
So it is indeed a proper valve amp. Makes a nice change....
I've actually been making some "steampunk" USB flash drives. with a valve glued onto it and an orange LED underneath to simulate the valve heater. That way I can enjoy all the warmth and brilliance of the classic valve sound while playing MP3 files on mycar's sound system. (Or so I tell people....)
It's a sensible alternative to fitting a valve amplifier into the dash of your car, which is sure to be inconvenient and will probably void the car's warranty! (The orange LED glow tends to overload the camera; it actually looks a lot more realistic "in the flesh").
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