Technics SH-3280(D)
¥ 34,800 (around 1975)
Commentary
A demodulator developed for discrete four channel record (CD-4 record) playback.
A PLL circuit is used to eliminate noise caused by dust or worn records.
It is equipped with a carrier level adjustment knob that can adjust any cartridge output to the optimum output.
The separation / carrier level adjustment knob is mounted on the bottom plate to prevent malfunction.
Compatible with 2 types of cartridges for CD-4, semiconductor type and MM type.
It is equipped with a Direct terminal which can utilize the equalizer circuit of the pre-main amplifier.
Equipped with a phono output jack that takes out the equalized signal.
The 4-ch, stereo and direct can be switched by operating the function switch.
It is equipped with a 4-channel radar that informs 4-channel playback.
It has an AC outlet of up to 300W.
Model Rating
| Type | Demodulator |
| Frequency characteristic | 20 Hz to 16 kHz |
| Input level | SC : 2.5mV/4.7k Ω MM : 1.5mV/100k Ω |
| Output level | 4 ch out : 300mV/2k Ω |
| Power supply voltage | 100 VAC, 50Hz/60Hz |
| Power consumption | 5.7W |
| External dimensions | Width 205x Height 95x Depth 330 mm |
| Weight | 2.75kg |