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Single-ended Monoblock Tube Amplifier

[T]his amp grew out of the need for a center channel on a 7.1 home theater system using all Specimen horns, tube amps and Subwoofer. It simply seemed awkward to use a stereo unit and leave one channel dangling.

A minor redesign produced a monoblock version. Though not a space-saving measure or more economical, there is a purity and simplicity to the monoblock which cannot be denied. Channel separation is a non-issue.

I plan to implement my Pentode Driven 2A3 amp in this format because of the relaxed space contingencies. Also, the 6C6 pentode and 2A3 pre-date stereo by quite a bit, so a pair of SET monoblocks may be more appropriate from a historical standpoint.

Color Finishes:

The Specimen Single-ended Monoblock 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)


Circuit: Single-ended triode, Class A
Tubes: One 6SL7 pre-amp tube, one 6L6G power tube, one 5U4 Rectifier
Power: 8 watts
Inputs: One RCA line-level
Dimensions: 16" deep x 9-7/8" wide x 8" high
Weight: 18 lbs.

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

$4200 each
Color Finish:
50% deposit required at the time of purchase (view full policy)
8 - 11 weeks
see the full price list

Specimen Custom Monoblock Tube AmplifierSpecimen Custom Monoblock Tube Amplifier