RAAL requisite VM-1a - VariMode tube amp for SR1 and CA1 headphones
RAAL requisite VM-1a - VariMode tube amp for SR1 and CA1 headphones
RAAL requisite VM-1a - VariMode tube amp for SR1 and CA1 headphones
RAAL requisite VM-1a - VariMode tube amp for SR1 and CA1 headphones

RAAL requisite VM-1a - VariMode tube amp for SR1 and CA1 headphones
CHF 7,199.00
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Delivery time approx. 2 weeks

Vari-Mode (Triode, Ultralinear, Pentode) tube amplifier for SR1 and CA1 ribbon headphones

RAAL-requisite's new VM-1a standalone ribbon headphone amplifier features a special variable-mode tube circuit designed exclusively for driving ribbon headphones.

Operating in ultralinear, triode or pentode mode, this top-of-the-line amplifier delivers uncompromising performance with RAAL's SR-1a ribbon headphones.

Specifications

  • Input tube: 1x Tung-sol GTB 6SN7 double triode
  • Splitters/driver tubes: 2x Apex Matched Mullard EL34
  • Output power tubes: 4x Apex Matched Mullard EL34 Quartet
  • Input impedance: 50K ohms
  • Input sensitivity: 2V
  • Distortion: < 1%
  • S/N ratio: 72dB
  • Weight: ~29lbs

Ultra Linear

  • Output power: 15W
  • Bandwidth frequency response: 20Hz - 70kHz, -3dB


Triode

  • Output power: 10W
  • Bandwidth frequency response: 10Hz - 70kHz, -3dB


pentode

  • Output power: 20W
  • Bandwidth frequency response: 30Hz - 50kHz, -3dB
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