JVC MCA-104Z

July
1 9 7 0 july 1970
1 9 7 2 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.

JVC MCA-104Z, image 1 JVC MCA-104Z, image 2
JVC MCA-104Z specifications
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.
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