This is our new flagship amplifier for ribbon headphones. Featuring user selectable Triode, Pentode and Ultra-Linear operating modes. This top of the line amp delivers uncompromising performance RAAL’s SR-1a headphones. Truly a joy to experience.
This direct drive vacuum tube amplifier is compatible with all of RAAL-requisite’s ribbon headphones. It has selectable SR-1a open-baffle compensation and CA-1a non-compensation for both outputs. It also has a 24-step precision attenuator which is ideal for precise channel matching. On top of that, it has transformer balanced inputs (left/right) and outputs for simultaneous dual headphone operation. Toroidal output transformers and the toroidal power transformer are all magnetically shielded and epoxy cased. Lastly, the amp allows you to select between 115V and 230V voltages, which is great for those who want to use the amp in different regions of the world.
Input Tube: 1x Tung-sol GTB 6SN7 Dual-Triode
Splitter/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