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About the Eighty-Eight
The Rogue Audio Eighty-Eight (also known as Model 88 or 88 Magnum) is a high-fidelity vacuum tube stereo power amplifier renowned for its silky-smooth sound, incredible detail, deep soundstage, liquid midrange, smooth highs, and tight bass. It features user-selectable Triode mode (~40W/ch) for pure triode operation or Ultra-Linear mode for full rated power. Factory-set for 8-ohm speakers with adjustments possible for 4-ohm loads. Tube complement includes 4x KT88 (output), 2x 12AX7, 4x 5814 or 12AU7 (varies by source). Built with heavy-duty components, custom output transformers, and a massive regulated power supply for excellent dynamics and low-frequency control. MSRP was $1395; used prices range $650-$2599. Discontinued, replaced by models like ST100 and M180.
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