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Marantz Model SR 4000

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Technic details

Specifications

Type:
AM / FM Stereo Receiver
[Amplifier Section]
Rated Power Output - 63W (Minimum continuous average power per channel, both channels driven)
Power Band - 20Hz to 20kHz
Total Harmonic Distortion - 0.05%
Load Impedance - 4Ω
Rated Power Output - 50W (Minimum continuous average power per channel, both channels driven)
Power Band - 20Hz to 20kHz
Total Harmonic Distortion - 0.025%
Load Impedance - 8Ω
I.M. Distortion (I.H.F. method, 60Hz and 7kHz mixed 4: 1 at rated power output):
0.025% (At 8Ω load impedance)
0.05% (At 4Ω load impedance)
[Preamplifier Section]
Input Overload at 1kHz - 130mV (Phono)
Equivalent Input Noise (“A” Weighted) - 0.3µV
Dynamic Range - 113dB
Input Sensitivity - 2.7mV
Input Impedance - 47kΩ
Frequency Response - 10Hz to 60kHz, ±1dB (Includes power amp.)
Output Levels / Impedance - 580mV / 500Ω (Ref. 10mV at Phone inputs)
S / N Ratio (“A” Weighted):
88dB (At rated output and 10mV input)
98dB (Ref. to rated output and 775mV input)
High Level (AUX and Tape):
Input Sensitivity - 160mV
Input Impedance - 20kΩ
[FM Tuner Section]
Frequency Range - 87.4 to 109MHz
Distortion (Mono) at 65 dBf (1000µV) - 0.2% (100Hz) / 0.15% (1kHz) / 0.2% (6kHz)
Distortion (Stereo) at 65 dBf (1000µV) - 0.25% (100Hz) / 0.25% (1kHz) / 0.35% (6kHz)
Frequency Response - 30Hz to 15kHz, +0.5 -1dB (Mono and Stereo)
Capture Ratio at 65 dBf (1000µV) - 1dB
Alternate Channel Selectivity - 65dB
Spurious Response Rejection - 90dB
Image Response Rejection - 55dB
IF Rejection (Balanced) - 85dB
A.M. Suppression at 1kHz - 55dB
Stereo Separation at 1kHz - 45dB
Subcarrier Rejection - 65dB
Sensitivity:
IHF Usable - 10 dBf (1.8µV)
IHF 50dB Quieting:
Mono - 13.9 dBf (2.5µV)
Stereo - 36.8 dBf (38µV)
Quieting Slope (Mono):
RF Input for 30dB Quieting - 8.2 dBf (1.4µV)
Quieting at:
20 dBf (5.5µV) - 55dB
25 dBf (10µV) - 60dB
40 dBf (55µV) - 74dB
65 dBf (1000µV) - 78dB
[Quieting Slope (Stereo)]
Quieting at:
30 dBf (17µV) - 40dB
40 dBf (55µV) - 52dB
50 dBf (173µV) - 62dB
65 dBf (1000µV) - 70dB
[AM Tuner Section]
Frequency Range - 515 to 1650kHz
IHF Usable Sensitivity - 20µV
S / N Ratio - 50dB
Alternate Channel Selectivity - 45dB
Image Rejection - 45dB
Spurious Response Rejection - 55dB
IF Rejection - 40dB
Power Requirements:
AC 120V, 60Hz
Power Consumption:
215W (At rated output, both channels operating)
30W (Idling Power, Volume Control at zero)
Dimensions (W x H x D):
466 x 140 x 353mm
Weight:
10kg (Net)
12kg (Packed for shipment)
Year:
1980

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