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The Estonia-UM-010-stereo stereo power amplifier has been produced by the Punane-RET Tallinn plant since 1987.
PA is designed to amplify 3H signals coming from the same type or another pre-amplifier.
UM has: LED indicators of operating modes;
electronic overload protection;
stereo phones;
two speaker pairs.
Rated output power 2x50 W, musical 2x85 W.
The range of reproducible frequencies is 20 ... 25000 Hz.
Harmonic coefficient at a frequency of 1 kHz - 0.005%, 20 kHz 0.03%.
The signal-to-weighted noise ratio is 105 dB.
Transient attenuation between channels 56 dB.
Power consumption 150 watts.
Dimensions UM - 460x360x80 mm.
Weight 12.2 kg.
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