RAAL all new STANDALONE headphone amp the PDT-1a features a dedicated OTL circuit design built for traditional non-electrostatic headphones. This top of the line amp delivers uncompromising performance for DYNAMIC and PLANAR MAGNETIC headphones ONLY.
NOTE: CANNOT BE USED WITH RAAL OR ELECTROSTATIC HEADPHONES.
6N6P Driver Tubes and a 6AS7 Power Tube
Frequency Response: 10Hz-100kHz -3db
Power: 245mW @50ohms / 180mW @600ohms
With Center Tap AC Heaters for low noise