Radiotechnika - U-101-STEREO Audio amplifier
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Radiotechnika U-101-STEREO stereo amplifier, manufactured in 1983, in very good physical condition and tested and working, weighing 9 kg, dimensions 430 × 375 × 90 mm, delivering 20 W per channel at 4 Ω.
AI-assisted summary
Description from the seller
The Radiotehnika U-101-STEREO is a classic Soviet integrated stereo amplifier made in Riga (Latvia) starting around 1983. It was part of the “Radiotehnika 101” hi-fi system lineup.
Power & load
Output power: 20 W per channel (at 4 Ω)
Compatible speaker impedance: typically 4–8 Ω (real-world usage)
Power consumption: ~80 W
Audio performance
Frequency response: 20 Hz – 20,000 Hz
Frequency deviation: ±1.5 dB
Total harmonic distortion: ≈0.2–0.3%
Signal-to-noise ratio:
up to 83 dB (weighted)
Channel separation:
up to 50 dB (low freq)
Inputs:
Phono (turntable) — ~2 mV sensitivity
Line inputs (tape, tuner, etc.) — ~200 mV
Outputs:
Speakers (2 pairs possible)
Headphones
Controls:
Volume, balance
Bass / treble tone controls (±10 dB / ±8 dB)
Input selector
Mono / stereo switch
Physical specs
Dimensions: 430 × 375 × 90 mm
Weight: ~9 kg
Power supply: 220 V / 50 Hz
The Radiotehnika U-101-STEREO is a classic Soviet integrated stereo amplifier made in Riga (Latvia) starting around 1983. It was part of the “Radiotehnika 101” hi-fi system lineup.
Power & load
Output power: 20 W per channel (at 4 Ω)
Compatible speaker impedance: typically 4–8 Ω (real-world usage)
Power consumption: ~80 W
Audio performance
Frequency response: 20 Hz – 20,000 Hz
Frequency deviation: ±1.5 dB
Total harmonic distortion: ≈0.2–0.3%
Signal-to-noise ratio:
up to 83 dB (weighted)
Channel separation:
up to 50 dB (low freq)
Inputs:
Phono (turntable) — ~2 mV sensitivity
Line inputs (tape, tuner, etc.) — ~200 mV
Outputs:
Speakers (2 pairs possible)
Headphones
Controls:
Volume, balance
Bass / treble tone controls (±10 dB / ±8 dB)
Input selector
Mono / stereo switch
Physical specs
Dimensions: 430 × 375 × 90 mm
Weight: ~9 kg
Power supply: 220 V / 50 Hz
Details
Era
1900-2000
Brand
Radiotechnika
Model
U-101-STEREO
Multiple models
No
Physical condition
Very good
Number of objects
1
Includes
No extra's
Year of manufacturing
1983
Weight
9 kg
Functional condition
Tested and working/playable
