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