AI-generated product photo — not official manufacturer imagery.
Stereo 90
Rogue AudioEstimated price (community-sourced)
About the Stereo 90
The Rogue Audio Stereo 90 is a high-end tube power amplifier delivering 90 watts per channel with ultra-wide bandwidth output transformers and a fully regulated high-voltage power supply. It uses four matched KT88 output tubes in a push-pull configuration, plus two 12AX7 and two 6SN7 tubes, and offers user-selectable triode or ultralinear operation. The amplifier includes heavy-duty gold-plated RCA inputs and binding posts, a built-in bias meter with manual bias adjustment, mechanically isolated transformers, and a heavy copper circuit board. It is specified at 5Hz to 50kHz ±1dB frequency response, <0.1% THD typical, and 18"W x 15.75"D x 7"H, 60 lb.
Specifications
Key Specifications
Full structured specifications are available to members.
Sign up to see full specificationsSee the full picture as a member
Create a free account to see where to buy, full structured specifications, similar components, and the systems that pair this with other gear.
Sign up free