• Country
• Germany

• Manufacturer / Brand
• Einstein Audio Components GmbH; Bochum

• Year
• 2007 ?

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 322430

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 4

• Valves / Tubes
• PCC189 PCC189 PCC189 PCC189

• Number of Transistors
• 52

• Semiconductors

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 230 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Power out
• 170 W (undistorted)

• Material
• Metal case

• from Radiomuseum.org
• Model: The Absolute Tune - Einstein Audio Components GmbH

• Shape
• Rack

• Dimensions (WHD)
• 435 x 180 x 395 mm / 17.1 x 7.1 x 15.6 inch

• Notes

• This is an 2-ch hybrid power amplifier.

  First stage is an open loop differential cascode with 4 triodes.

  Second stage is a feedbacked circlotronic class AB mosfet power amplifier.

  It has independent power transformers for each channel.

  Output power is 2 x 50 W into 8 Ω and 2 x 85 W into 4 Ω @ 0.02 % THD.

  Sensitivity is same for all 5 inputs: 2 Vrms.

  Frequency response 2 Hz to 200 kHz +0 -3 dB.

• Net weight (2.2 lb = 1 kg)
• 20.4 kg / 44 lb 14.9 oz (44.934 lb)

• Price in first year of sale
• 8,000.00 Eur

• Mentioned in
• Soundstage!, October 2007 (www.soundstage.com)

• Author
• Model page created by Carlos Saavedra. See "Data change" for further contributors.

• Other Models

• Here you find 1 models, 1 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Einstein Audio Components GmbH; Bochum