vintage Tube Amplifier Stereo VS-56 Telewatt K+H Klein+Hummel

Telewatt VS56 Tube Integrated Amplifier – 5 × ECC83 (1 × phase inverter), 4 × ECL82 Push-Pull, EZ81 Rectifier – Classic German HiFi Vintage Amplifier

For sale is a rare and musically outstanding vintage tube amplifier, the Telewatt VS56, manufactured by Klein & Hummel (Telewatt) in  1963.

 Known for its warm, detailed sound and excellent build quality, this model remains a favorite among audiophiles and collectors of classic tube technology.

Technical Specifications and Tube Lineup

• Tubes:

  • 5 × ECC83 tubes (one specifically used as a phase inverter for symmetrical signal amplification)

  • 4 × ECL82 tubes in push-pull configuration for clean and dynamic power output

  • 1 × EZ81 tube as the rectifier for a reliable and stable power supply

• Output Power: approx. 2 × 7 watts RMS per channel

• Inputs: multiple including phono (magnetic and crystal), tuner, auxiliary, tape

• Speaker Outputs: 4 and 16 ohms

• Voltage: 110–240 V AC 

• Solid metal chassis with classic vintage design

Sound and Condition

The phase inverter ECC83 tube enables clear and harmonic stereo sound reproduction, working together with the push-pull ECL82 output tubes to deliver a warm, rich tube sound with good dynamic range and spatial imaging. This amplifier is highly regarded for its authentic analog character and natural musicality.

The unit is tested and operational with all original tubes installed. Cosmetically, it shows typical vintage signs of use but remains in good overall condition. For long-term reliability, replacing aged electrolytic capacitors and cleaning the potentiometers is recommended.( please check my original quick video at the end of the description !)

Features and Collector Appeal

• Classic German HiFi  stereo amplifier from the 1960s with high-quality tube design

• Comprehensive tone control including bass, treble, and volume

• Phase inverter tube for balanced push-pull output stage

• Ideal vintage amplifier for collectors, restorers, or audiophiles seeking authentic tube sound

This Telewatt VS56 offers a combination of craftsmanship and classic tube sound that still appeals to vintage audio enthusiasts. Feel free to ask for more details or photos.

worldwide shipping, safe packaging.

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