Nakamichi SR-4E - Tuner Section; General Specifications

Tuner Section
[FM] Note: All AF levels in microvolts given re 300-ohm antenna input.
Modulation: Mono 60%, Stereo Pilot 9%, Stereo Audio Signal 51%.
All measurements made at Rec Out jack.
Frequency Range
IHF Usable Sensitivity (Mono)
50-dB Quieting Sensitivity
Mono
Stereo
SR-4E (German Model)
87.50—108.00 MHz in 50 kHz steps
SR-3E
87.50—108.00 MHz in 50 kHz steps
11 dBE/1.9 pV
SR-2E
87.50— 108.00 MHz in 50 kHz steps
11 dBE/1.9 pV
23.0 dBI/7.7 UV
43.0 dBI/77.4 UV
Signal-to-Noise Ratio at 65 dBf
Mono
Stereo
Muting Threshold
Frequency Response
11 dBI/1.9 uV
21.0 dBf/61 pV
* 23.0 dBI/7.7 yV
42.0 dBt/69.0 nV
* 43.0 dBt/77.4 uV
21.0 dBF/6.1 LV
*23,0 dBI/7.7 uV
42.0 dBt/69.0 LV
* 43.0 dBI/77.4 uV
Better than 72 dB
Better than 67 dB
Better than 74 dB
*Better than 72 dB
Better than 69 dB
* Better than 67 dB
Better than 74 dB
* Better than 72 dB
Better than 69 dB
*Better than 67 dB
30 dBI/17.3 nV
Total Harmonic Distortion (1 kHz)
Mono
Stereo
Capture Ratio
Alternate Channel Selectivity
Stereo Separation at 100 Hz
at 1 kHz
at 10 KHz
Spurious Response Rejection
Image Rejection Better than 75 dB Better than 75 dB Better than 75 dB
IF Rejection Better than 80 dB Better than 80 dB Better than 80 dB
AM Suppression Better than 60 dB Better than 60 dB Better than 60 dB
[AM] Note: Modulation—400 Hz, 30%
SR-4E (German Model) SR-3E SR-2E
Frequency Range
Sensitivity
Signal-to-Noise Ratio at 90 dBu/m
Total Harmonic Distortion at 90 dBu/m
Selectivity
20—15,000 Hz +1 dB
30 dBf/17.3 pV
30 dBf/17.3 uV
20—15,000 Hz +1 dB
20—15,000 Hz +1 dB
Less than 012%
“Less than 0.20%
Less than 0.20%
*Less than 0.25%
2.0 dB
2.0 dB
Less than 0.20% Less than 0.12%
* Less than 0.20%
Less than 0.25% Less than 0.20%
*Less than 0.25%
2.0 dB
70 dB (+300 kHz) 70 dB (+300 kHz)
70 dB (+300 kHz)
Better than 43 dB
Better than 43 dB
Better than 27 dB
Better than 90 dB
522 kHz—1,611 kHz in 9 kHz steps
53 dBu/m
Better than 52 dB
Less than 0.3%
Better than 20 dB (+9 kHz)
Better than 43 dB
Better than 43 dB
Better than 37 dB
* Better than 27 dB
Better than 90 dB
522 kHz—1,611 kHz in 9 kHz steps
53 dBu/m
Better than 52 dB
Less than 0.3%
Better than 20 dB (+9 kHz)
Better than 43 dB
Better than 43 dB
Better than 37 dB
*Better than 27 dB
Better than 90 dB
522 kHz—1,611 kHz in 9 kHz steps
53 dBu/m
Better than 52 dB
Less than 0.3%
Better than 20 dB (+9 kHz)
General
SR-4E (German Model) SR-3E SR-2E
Power Source 220 V AC, 50/60 Hz 220 V AC, 50/60 Hz 220 V AC. 50/60 Hz
Power Consumption 350 W max. 270 W max. 190 W max.
Dimensions
430(W)100(H)x370(D) mm
16-15/16(W)X3-15/16(H)X 14-9/16(D) inches
Approximate Weight
*: German Model
9.8kg 21 Ibs. 10 oz.
@Specifications and design are subject to change for further improvement without notice.
@STASIS manufactured under license from Threshold Corporation.
@STASIS is a trademark of Threshold Corporation.
430(W)x 100(H)X370(D) mm
16-15/16(W)X3-15/16(H)x 14-9/16(D) inches
430(W)X 100(H)X370(D) mm
16-15/16(W)X3-15/16(H) x 14-9/16D) inches
8.5kg 18 Ibs. 12 oz.
7.5 kg 16 Ibs. 9 oz.
3
:
:
F
;