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Pentode-driven Single-ended 2A3 Stereo Amp

$6200




50% deposit required at the time of purchase (view full policy)
4 - 6 weeks
see the full price list

This amp's name may be long for such a simple thing, but it's correct and the ideal way to describe one of the best sounding amps I have made to date.

Luckily, and by some stretch of fate, these 6C6 tubes are still out there and someone in another land is making six pin tube sockets and caps for the tubes which often inhabited them.  Fringe industry at best, and a treat for our ears, however unlikely.  This circuit is damn near nirvana, but only possible because of the infrastructure, hardware and simplicity.

1940, meet today.

This circuit is derived from an example given in the 1940 Radiotron Third Edition Designers Guide.

Many thanks to Joseph Esmilla for unearthing and displaying this circuit on his fine web site. Imagine languishing for seventy years before being given a second thought.

 

Color Finishes:

The Specimen Pentode Driven Single-ended 2A3 Stereo Tube Amplifier is made using the same Baltic Birch plywood as our horn speakers and can be finished to match perfectly. Presently we offer the following colors:

- Natural
- Dark Walnut
- Dark Green
- Dark Red
- Dark Orange
- Piano White*
- Piano Black*

*Opaque finishes are an additional $300 (e.g., black, white, or other custom opaque color)

FEATURES

Circuit: Single-ended pentode driven triode, Class A
Tubes: Two 6C6 pre-amp tubes, Two 2A3 power tubes, 5R4 Rectifier
Power: 3-1/2 watts per channel
Inputs: Two RCA line-level
Dimensions: 16" deep x 11" wide x 8" high
Weight: 22 lbs.

Custom finishes to suit any decor are available as a special order.

Pentode-driven Single-ended 2A3 Stereo Tube Amplifier