Benchmark HPA4 Headphone/Line Amplifier Tube Amps open-back Transducer type Electrostatic (HPEL)

open-back Transducer type Electrostatic (HPEL) Available finishes Silver ($32

we have combined the Ripol® idea with our Acoustic Stealth Technology® - AST®

35mm current output and 3

When we voiced the cable with Susvara and later Raal CA-1a

Benchmark HPA4 Headphone/Line Amplifier Tube Amps open-back Transducer type Electrostatic (HPEL)The Benchmark HPA4 is the ultimate expression of the THX 888 amplifier design in a headphone and line amplifier, 256 step relay gain control in 0. 5dB increments, 64 precision relays, SNR above 131dB, and THD below 0. 00006%. Designed, assembled, and tested in the USA. Type and Technology Desktop headphone amplifier and line preamplifier, fully balanced, 100% analog signal path. THX 888 with AAA feed forward error correction. 256 step relay gain