Pioneer Spec-1 Stereo Preamp AUDIOPHILE 240V/220V/120V SERVICED 100% NEAR MINT

Description

PIONEER SPEC-1 STEREO PRE AMPLIFIER
Multiple Voltage Selections: 240V/220V/120V
OVERALL CONDITION: NEAR MINT
Excellent A+, Unit presents extremely well!
Fully serviced and bench tested. Scored 100%
PHOTOS
are considered part of the description. What you see in the photos is exactly what you get. Please view and zoom in on all pics for more details and a better understanding of the quality.
ACQUISITION
One owner unit belonged to an electronic technician for more than 40 years. This component was in his personal collection. He said this unit was regularly used and serviced.
INCLUDED
Owner’s Manual
DESCRIPTION
The Spec-1 has differential amplifier circuitry incorporated in the equalisation and tone control amplifiers.
This is complemented by a dual positive and negative power supply system for all amplifier sections, which provides improved DC balance and stability, while eliminating click noises due to switching.
An electronic muting circuit, employing a reed relay, blocks surge noise associated with power switch operation
SPECIFICATIONS
Frequency response: 10Hz to 70kHz
Total harmonic distortion: 0.03%
Input sensitivity: 2.5mV (mic), 2.5mV (MM), 150mV (line)
Signal to noise ratio: 70dB (MM), 90dB (line)
Output: 150mV (line), 2V (Pre out)
Semiconductors: 50 x transistors, 33 x diodes
Dimensions: 480 x 186.5 x 365mm
Weight: 11.2kg
Accessories: connecting cord, hex wrench
Year: 1976
EXPERT SHIPPING
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