| Title | Value |
|---|---|
| MAIN section | MAIN section |
| Total dynamic power : | 2x 50W (4 Ohm IHF) |
| 2x 34W (8 Ohm IHF) | |
| Continuous power : | 2x 33W (4 Ohm IHF) |
| 2x 26W (8 Ohm IHF) | |
| THD : | 0,5% |
| IMD : | 0,8% |
| Power bandwidth : | 20Hz...30Khz (IHF) |
| Frequency response : | 20Hz...40Khz (± 1dB) |
| S/N ratio : | 80dB |
| Crosstalk : | 55dB (1Khz) |
| Load impedance : | 4...16 Ohm |
| Damping factor : | 50 (8 Ohm) |
| Protection circuit : | overcurrent with lamp indication |
| PRE section | PRE section |
| THD : | 0,05% |
| Frequency response : | 15Hz...50Khz (-1dB) |
| S/N ratio : | 65dB (MM) |
| 75dB (tape head) | |
| 75dB (aux 1) | |
| 75dB (aux 2) | |
| 75dB (tape play) | |
| Input sensitivity : | 2,5mV (MM) |
| 150mV (lines) | |
| Line outputs : | pre-out |
| rec-out | |
| SEA center frequencies : | 60Hz / 150Hz / 1Khz / 5Khz / 15Khz |
| SEA control range : | ± 10dB |
| Crosstalk : | 50dB (1Khz) |
| Tracking error : | 4dB ay -50dB |
| General | General |
| PC : | 80W |
| Dimensions : | 40,5 x 13,5 x 31cm |
| Weight : | 7kg. |
JVC MCA-104Z
july 1970
1972
Update to the august 1968 MCA-104, from the series that looks very much like the contemporary Sansui but isn't - even if I've spotted a few Sansui amps with an NDS T-tag which I've also seen at the back of several JVC/Victor Japan-only components of the same timeframe...
The original 104 had round slider pots, plain silver main knobs and a poorer s/n artio by 5dB. Also less power, therefore no "100W" badge - audio life was moderate in 1968.
Besides the visible S.E.A. equalizer, a 3-stage eq amp with RIAA and NAB curves is DC-coupled to the final SEPP stage - audio life was simple in 1970.
Also in the series :
MCA-105 (more powerful, with 7-band SEA), MCT-105 (tuner), CF-105 (2-way filter), MCM-105 (power-amp), MCP-105 (preamp), all released 1968-1970, all very well designed, pretty in black, but some only in Japan.
The 104Z was launched in Europe in march 1971 and almost at the same time in the US.
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