Digital Processor Reviews

Description: DSP-based D/A converter. Digital inputs: one AES/EBU, one coaxial on RCA jack, one coaxial on BNC jack. Digital tape loop: one, on RCA jacks. Optional digital inputs: AT&T ST-type optical ($300), Theta's LaserLinque optical ($800), TosLink optical ($100). Digital filter: 8x-oversampling, custom-software–controlled. Computing power: 129 effective MIPS. Mathematical resolution: 56 bits. Output resolution: 20 bits. Linearity: 20 bits. Frequency range: 1Hz–21kHz (no tolerance given). S/N ratio: >108dB. THD at full output: <0.002%. Balanced output level: 5V RMS. Unbalanced output level: 2.5V RMS. Output impedance: 26 ohms (balanced); 1 ohm (single-ended).
Dimensions: 19" W by 3.5" H by 13" D. Weight: 35 lb.
Serial number of unit reviewed: 11360.
Price: $3795 (single-ended), $5595 (balanced) (1992) V-A upgrade price: $495. HDCD option: $459; no longer available (2019). Approximate number of dealers: 60.
Manufacturer: Theta Digital Corporation, Agoura Hills, CA 91301 (1992); Theta Digital/ATI, 1749 Chapin Road, Montebello, CA 90640 (2019). Tel: (323) 278-0001. Fax: (323) 278-0083. Web: www.thetadigital.com.