Sidebar 2: Specifications
Description: Full-function solid-state preamplifier with two phono inputs, three line-level inputs, two tape loops with selectable two-way dubbing. Original published specifications: Frequency response: 10Hz–40kHz +0, –0.5dB. Max output: 10V. THD: 0.05%. IMD: 0.05%. Phono S/N ratio: 80dB. Measured performance (footnote 1): RIAA accuracy: R channel, –0.25dB at 20Hz, –0.75dB at 20kHz (net: ±1dB); L channel, –0.25dB at 20Hz, –0.25dB at 20kHz (net: ±0.5dB). Line level frequency response: R channel, 20Hz–30kHz, +0dB, –0.1dB; L channel, 20Hz–30kHz, +0.5dB, –0.1dB. Phono S/N ratio, ref. to 2.5V output: R channel, 92dB (input shorted), 89dB (input open); L channel, 94dB (input shorted), 90dB (input open). Phono crosstalk: R channel, –64dB, L channel, –67dB. S/N ratio, line level, ref. to 2.5V output: R: 90dB (input shorted), 89dB (input open); L: 90dB (input shorted), 89dB (input open). S/N ratio, line level, ref. to 10V output: R: greater than 102dB; L: greater than 102dB. Crosstalk, line level: R: –57.5dB; L: –55dB. THD: L channel, 0.01% at 20Hz, 100Hz, 1kHz, 0.017% at 10kHz, 0.045% at 20kHz, 0.12% at 30kHz; R channel, 0.005% at 20Hz, 100Hz, 1kHz, 0.001% at 10kHz, 0.03% at 20kHz, 0.07% at 30kHz. IMD: R channel, 0.07%; L channel, 0.0035%.
Dimensions: 3.5" H by 19" W by 14" D. Weight: 22lb.
Original price: $1395. Used price: $350.
Manufacturer: Spatial, Inc., Long Beach, CA 90807 (no longer in business, 1989).
Footnote 1: The technical tests were performed after a one-hour warmup, using a Sound Technology 1701 distortion analyzer.
Dimensions: 3.5" H by 19" W by 14" D. Weight: 22lb.
Original price: $1395. Used price: $350.
Manufacturer: Spatial, Inc., Long Beach, CA 90807 (no longer in business, 1989).
Footnote 1: The technical tests were performed after a one-hour warmup, using a Sound Technology 1701 distortion analyzer.
