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About the RM200 II
The Music Reference RM-200 Mk.II is a stereo tube power amplifier featuring two matched pairs of KT88 (standard) or 6550 (optional) output tubes and a pair of 6BQ7 driver tubes. It delivers 100 watts per channel in a full Class A operation, with a frequency response of 6Hz to 20kHz ±0.5dB and extended bandwidth up to 60kHz ±3dB. The amplifier exhibits low harmonic distortion around 0.5% and has a damping factor of about 10, corresponding to an output impedance just under 1 ohm. It is suitable for desktop or bookshelf speaker setups, offering a refined tube sound with hybrid or classic vacuum tube technology. The RM-200 Mk.II is known for its high-quality transformers and robust build, making it a sought-after amplifier in audiophile circles. Manuals and schematics are available for detailed technical reference. The product is still supported by some specialized service providers but may be rare and expensive on the used market.
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