Pioneer C-73
¥ 50,000 (around 1980)
Commentary
A preamplifier equipped with a cartridge load switch.
The EQ section uses first stage differential, 3-stage direct connection, final stage A class operation pure complimentary service SEPP, positive and negative two power supplies for reducing distortion and improving temperature characteristics.
We have also adopted carefully selected NFB elements.
It is equipped with a cartridge load selection switch in order to make the performance of the cartridge better.
Four types of load resistance and load capacity can be selected, and the load suitable for the cartridge to be used can be set.
It is equipped with auxiliary mechanisms such as 4-series volume using 32-step attenuator type and 2-series tape circuit capable of alternating tape copying.
It has a panel design that can be mounted on an EIA-standard rack.
Model Rating
Type | Stereo preamplifier | ||||
Circuit system |
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Input terminal | Phono1, 2 (With Cartridge Load Capacity 4-Step Switching) Tuner, AUX1, 2, Tape Play1, 2 |
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Phono maximum allowable input (1 kHz) | 300 mv (Distortion rate 0.01%) | ||||
Output terminal | Tape Rec1, 2, Output | ||||
Harmonic distortion factor (20 Hz to 20 kHz) | Phono:0.01% Tuner, AUX, Tape Play : 0.005% at 2 v output |
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Frequency characteristic | Phono : 20 Hz to 20 kHz ± 0.2 dB Tuner, AUX, Tape Play : 10 hz to 100 khz + 0 to 0.5 db |
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Signal-to-noise ratio (IHF, A-network Short circuit) |
Phono:80dB Tuner, AUX, Tape Play : 100 dB |
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Power consumption (Electrical Appliance and Material Control Law) | 10W | ||||
External dimensions | Width 480x Height 142x Depth 390 mm | ||||
Weight | 7.7kg | ||||
EIU standard rack mounting unit | 3U |