A discrete stereo headphone amp that doubles as a control room preamplifier. Designed to work in standard "500" racks

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Features

Discrete signal path

Capable of driving the most demanding phones

10k Transformer balanced input

Hi-Z input will not load sources when multing

15dBu Gain

Individual channel cuts

Channel swap

Channel sum to mono

Precision matched stereo level control

Ships with XLRF to XLRF adaptor for stereo input

Unbalanced stereo front panel 1/4" TRS output

Second unbalanced stereo output on rear XLR in Purple Sweet Ten rack

Current consumption: 70mA

Over Current Resettable Fused (prevents any module problem from affecting your rack)

ROHS - Lead Free

For easy serviceability and tweaking, the Purple discrete opamps can be replaced with any standard discrete opamp or a DIP-8 IC. The output amp stages in the Cans are modular, but cannot be replaced with any other opamp.

Cans Pinout

Pin 1: Chassis Ground

Pin 2: Input Right +

Pin 3: Unbalanced Output Left (Purple Audio Rack Only - XLR OUT 2)

Pin 4: Input Right -

Pin 5: NC

Pin 6: Unbalanced Output Right (Purple Audio Rack Only - XLR OUT 2)

Pin 7: Input Left -

Pin 8: Input Left -

Pin 9: Input Left +

Pin 10: Input Left +

Pin 11: NC

Pin 12: +15 or 16VDC 70ma

Pin 13: Audio Ground

Pin 14: -15 or 16VDC 70ma

Pin 15: NC (+48VDC)