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Reference 80S Power Amp From Audio Research

Arriving in silver or black, the 80S shares the same dimensions as the 160M and includes a single “shallow whisper fan” in the bottom plate

The Audio Research Reference 80S offers XLR and single-ended inputs, 4-8-16 Ohm outputs, 12V input and output triggers, RS232 input, switchable fan speeds and defeatable auto-off function.

Reference 80S Stereo Power Amplifier From Audio Research

You’ll also see dual “GhostMeters” on the Reference 80S that float in front of four KT150 output valves. Extruded panels provide rigidity.

Reference 80S Valve Stereo Power Amplifier From Audio Research

Included is a proprietary auto-bias circuit that adjusts for not only valve age but for powerline voltage swings. 

Reference 80S Valve Stereo Power Amplifier From Audio Research

There is fusing of the output tubes for the Reference 80S, switchable Triode-Pentode operation, output tube monitoring and inclusion of an hour meter (see image above, left of centre or below, right) so you know how many hours are on the valves – like an odometer for your amp. 

Reference 80S Valve Stereo Power Amplifier From Audio Research

The built-in 12V trigger on the Reference 80S turns it on or off when connected to a preamp with a 12V trigger.

A four-layer circuit board is used to provide a separate ground plane, “…better circuit layout, and fewer noise-inducing point-to-point connections,” said the company. 

Built by hand from the ground-up in Maple Grove, Minnesota facility, price is £14,998.

Click absolutesounds.com for more information on the Audio Research Reference 80S. 

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