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| Lo-D HCA-7500 |
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| 60,000yen(one-set, around the 1978 time) |
Control amplifier which adopted the cartridge
loading selector which pulls out the performance of a cartridge.
The equalizer amplifier has a first rank low-noise transistor and 3 steps
of constant current drive bipolar push pull hardwired-connection 5 stone
composition. Moreover, tone control amplifier has 3 steps of first rank
FET differential electric-current drive bipolar pushpull hardwired-connection
6 stone composition.
Functionalities, such as a cartridge loading switching, a
low filter, a high filter, a tone defeat, a turnover, and a muting, are carried.
The carrying handle which can be mounted on Japanese-Industrial-Standard
specification rack is attached.
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| Form |
Control amplifier |
| Input sensitivity/impedance |
Phono: 2mV/100 ohm, 10kohm, 50kohm,
100kohm/100pF, 200pF, 300pF, 400pF
Tuner, AUX, Tape Play:100mV/50kohm
|
| Phono maximum permissible input |
350mV |
| Output voltage |
Tape Rec Out:100mV
Output:1V
|
| THD |
0.005 or less |
| Frequency characteristic |
Phono: 20Hz - 20000Hz, ±0.2dB
|
| Crosstalk |
70dB |
| Tone control |
Bass: 50Hz, 100Hz, ±10dB
(Turnover
frequency: 150Hz, 300Hz)
Treble: 10kHz, 20kHz, ±10dB
(Turnover
frequency: 3kHz, 6kHz) |
| SN ratio |
Phono:87dB
Tuner, AUX, Tape Play: 100dB
|
| Power consumption |
8W |
| Dimensions |
Width 480x height 166x depth of 397mm
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| Weight |
7kg |
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