Headphone AdapterThe Black Box Headphone adapter for using 2ch amps to power headphones. Bidirectional 5way heavy duty speaker binding posts, for use with banana, bare wire or large spades into either a 4pin connector or 1 4" This is a lab grade module all components are heavy duty and expected for a lifetime of use. Internal wiring is silver plated OFC copper with Cardis silver solder.

we've upgraded the chassis plate thickness to 11-gauge steel for enhanced isolation and structural rigidity

Gain : 20 dB (12AX7)

2 EL84 tubes in push-pull configuration per channel with 12AX7 for input and a 12AU7 for the phase splitter

It also makes room for a heavy duty

Noise: 90uv RMS

THD @ 1Watt 0

8ohm power: 8Watts RMS @ 1khz

Actual size is 13"wide

Alternate colors are available for custom ordering at additional costs

and each unit is personally measured

The Arch is the pinnacle of the low distortion

a new custom input transformer for XLR conversion