SV-237MK

tubeLine

Class A stereo hybrid integrated amplifier

How to improve an unbeatable unit? Very easy, just listen to the customers wish. That’s how the SV-237 becomes the SV-237MK. The big change is that we replaced the USB input on multiple wish by an coax and optical input. These inputs are more suitable for daily use and offer more possibilities for connections. The unique circuit of Frank Blöhbum was not changed.

Technical Specifications

  • Frequency response: 20 Hz - 20 kHz ±0,5 dB 20 Hz - 50 kHz ±2 dB
  • Nominal Output Power at 8 Ω : 2 x 150 W (RMS)
  • Nominal Output Power at 4 Ω : 2 x 250 W (RMS)
  • Nominal Output Power in Class A at 8 Ω : 2 x 10 W (RMS)
  • Input sensitivity: 300 mV
  • Total Harmonic Distortion: < 0.1 % (1 kHz, 1 W)
  • Signal to Noise Ratio: > 90 dB
  • Input Impedance: 47 k Ω
  • AC power connection type: 230 V/50 Hz
  • Inputs: 4 x Cinch stereo, 1x Coaxial IN, 1x Optical IN
  • Outputs: 1 x REC stereo RCA, 1x PRE stereo RCA,
    2 x Power Control (3.5 mm jack socket), 4 x 2 speaker clamps
  • Dimensions (W x H x D): 430 x 152 x 435 mm
  • Weight: 20,4 kg
  • Colour: black / silver
  • Tubes: 1 x 12AX7; 2 x 6N1P-EV

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