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Rogue Audio Stereo 100 (ST-100) Tube Power Amp - Free Shipping

Rogue Audio Stereo 100 (ST-100) Tube Power Amp - Free Shipping

2,800.00 USD

  • Price 2,800.00 USD
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This is a used, but very good looking Rogue Audio Stereo 100 tube amp. Comes with Tung Sol KT120 power tubes (4) and new production Mullard 12AU7 (2) and 12AX7 (2) signal tubes. The power tubes bias easily and hold bias.


Amp interior is clean and there are no issues to mention. Some very minor cosmetic blemishes on the cover that you'll likely never notice and a light scuff on the front panel that is only noticeable from side angles. See photos that emphasize these. The amp cover is pictured without the screws, but they are included and will be in place for transit. Ships in a custom fit box and includes a power cord and manual.


This is the second Stereo 100 I've owned. Excellent sounding tube amp that hits hard, with nice bass extension, a wide soundstage, and warm but transparent sound signature. Excellent build quality and made in the USA. This thing is a 60+ lbs. beast with massive power transformers putting out 100 wpc. Has 4-ohm and 8-ohm speaker taps, and balanced and RCA inputs.

For my fellow tube rollers, I contacted Rogue about compatibility. The following power tubes can be safely used:


KT120 (stock) biased to 40mA (100 wpc)
6550, KT88, and KT90 tubes biased to 35mA (85-90 wpc)
KT77 tubes biased to 30mA (70 wpc)


I have the following matched sets available if interested:


Genalex Gold Lion KT77 matched quad – add $125 (purchased in 2020, maybe 500 hours on them)
Mullard (new production) KT88 matched quad – add $140 (purchased in 2021, less than 200 hours on them)
Mullard (new production) 12AU7 and 12AX7 pairs, great for a backup set – add $70 (purchased in 2021, less than 200 hours on them)


My asking price INCLUDES SHIPPING in the U.S. and is net to me. Local pickup around Chicagoland will be discounted the estimated shipping expense.


Trade feedback: Head-Fi Feedback - US Audio Mart Feedback - Reddit Feedback

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