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Rogue Audio Stereo 90 User Manual

Rogue Audio Stereo 90
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Stereo 90
Vacuum Tube Power Amplifier
Owner’s Manual
Rogue Audio, Inc.
3 Marian Lane
Brodheadsville, PA 18322
Issue date: 03/10/04
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Rogue Audio Stereo 90 Specifications

General IconGeneral
TypeTube Amplifier
Power Output90 Watts per channel
Input Impedance100 kOhms
THD at 1W< 0.1%
THD< 1%

Summary

Unpacking the Stereo 90 Power Amplifier

Installing the Stereo 90 System

Connecting to Loudspeakers

Guide to connecting the amplifier to 4 or 8 ohm speakers, including impedance switching instructions.

Connecting to Preamplifier

Instructions for connecting the amplifier's input via RCA jacks using quality interconnect cables.

Operating the Stereo 90 Amplifier

Power On/Off Sequence

Recommended order for powering up and down the system to prevent transient damage to loudspeakers.

Setting the Tube Bias

Bias Adjustment Procedure

Step-by-step guide for adjusting the bias on each output tube using the provided bias tool.

Troubleshooting Common Issues

Fuse Values and Specifications

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