- Max SPL
- 111 dB
- Frequency Range
- ~.94 lbs (425grams)
PDA-1a Dynamic and Planar Headphone Amplifier (NOT RIBBON):
Easily powers two sets of even the most difficult to drive Planar or Dynamic headphones. All while providing rich tonality, correct balance of Frequency Response, broad musical dynamics & dead quiet noise floor.
Simple and intuitive operation, all backed by a 5-year warranty.
Truly a fine amplifier for our Planar and Dynamic friends.
HSA-1b Headphone & Speaker Amplifier:
Direct drive amplifier for True-Ribbon Earfield Monitor headphones, speakers, conventional dynamic, and planar magnet headphones.
Outputs: Drive the SR1, traditional headphones, or speakers.
Inputs: Unbalanced, Single-Ended RCA. True-Balanced, XLR.
Precision 24-step attenuator for rock-solid left/right balance at all listening levels.
VM-1a Variable Mode Vacuum Tube Ribbon Headphone Amplifier: