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About the Stasis 2
The Threshold Stasis 2 is a stereo power amplifier delivering 200 watts per channel into 8 ohms. It employs a constant voltage/constant current linear state design developed by Nelson Pass, featuring 24 output devices per channel and a 120V 50/60Hz mains supply. The amplifier is highly regarded for its sound quality, which remains competitive with modern high-end solid-state amplifiers due to its straightforward and robust design. The unit is known for its reliability and stability, with many examples having been rebuilt with modern components to improve performance without altering the original circuitry. Typical bias is 85mV across the 1 ohm emitter resistors, with heatsink temperatures around 45-46°C. The amplifier includes a trimpot for DC offset adjustment to less than ±10mV after thermal equilibrium. It is a sought-after vintage audiophile amplifier, often found in excellent cosmetic and functional condition.
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