Specifications

Performance

Frequency Response: ±0.5dB, 30-15,000Hz (Bypass Mode); ±1.0dB, 30-15,000Hz (Synthesize Mode), sum of left and right channels.
Total Harmonic Distortion: +18dBu/600ohm: <0.02%, 30-15,000Hz (Bypass Mode); <0.3%, 30-15,000Hz (Synthesize Mode).
Noise at Output: (30-15,000Hz): <-80dBu (Bypass Mode); <-67dBu (Synthesize Mode).

Installation
Input

Impedance: <100 ohm, balanced bridging. Absolute overload occurs at +26dBu into 600ohm.

Connectors

Audio: Barrier strip (#5 Screw).
User Control Interface: DB-25S jack (accepts DB-25P plug, supplied).
275ARC Remote Control: DB-37S jack (accepts DB-37P plug, supplied).

Output

Load Impedance: >600.
Source Impedance: 30, ±5%, balanced, floating.
Maximum Output Level: >20dBu into 600.
Connectors: Barrier strip (#5 screws), XL-type connectors.

Physical

Power Requirements: 115/230VAC ±10%, 50-60Hz, 9VA. 115V version supplied with "U-ground" grounding-type power cord to USA standards; 230V version supplied with CEE-7/7 plug.
Fuse: 1/4 -amp "T"-type (250mA) Slow Blow for 230V operation.
Mounting: Requires 1 unit (1.75"/4.5 cm) of vertical space in an EIA 19"/48.3cm rack. Depth is 9.625"/24.5cm. Optional 275 ARC Remote Control requires the same space, except depth is 2.25"/5.7cm, including supplied connector.
Weight: 12lb (5.4kg), shipping.
Options 275 ARC 19" rack-mount Remote Control provides duplication of all front panel indicators and function except for the SEPARATION control.