Kenwood KRF-A4030 Service Manual

AR-404/KRF-A4030/A4030E/A4030-S
27
SPECIFICATIONS
For U.S.A. and Canada
[ AUDIO section ]
Rated power output during STEREO operation
100 watts per channel minimum RMS, both channels
driven, at 8 Ω from 40 Hz to 20 kHz with no more than
0.5 % total harmonic distortion. (FTC)
Total harmonic distortion .......0.02 % (1 kHz, 50 W, 8 Ω)
Signal to noise ratio (IHF’66)
PHONO (MM)...................................................... 75 dB
CD ....................................................................... 92 dB
Input sensitivity / impedance
PHONO (MM)....................................... 2.5 mV / 27 kΩ
CD ....................................................... 200 mV / 47 kΩ
Output level / impedance
TAPE REC ......................................... 200 mV / 2.2 kΩ
PRE OUT (SUBWOOFER) ....................... 2 V / 2.2 kΩ
Tone control
BASS ................................................±9 dB (at 100 Hz)
TREBLE ........................................... ±9 dB (at 10 kHz)
[ FM tuner section ]
Tuning frequency range ............. 87.5 MHz ~ 108.0 MHz
Usable sensitivity (MONO) .........1.6 µV (75 Ω)/15.2 dBf
(75 kHz DEV., SINAD 30 dB)
50dB quieting sensitivity
STEREO .............................. 31.6 µV (75 Ω)/ 41.2 dBf
Total harmonic distortion (1 kHz)
MONO .......................................... 0.6 % (65 dBf input)
STEREO ...................................... 0.7 % (65 dBf input)
Signal to noise ratio (1 kHz, 75 kHz DEV.)
MONO ..........................................75 dB (65 dBf input)
STEREO ...................................... 68 dB (65 dBf input)
Stereo separation (1 kHz) ...................................... 38 dB
Selectivity (±400 kHz)............................................. 65 dB
Frequency response ... (30 Hz ~ 15kHz), +0.5 dB ~ –3.0 dB
[ AM tuner section ]
Tuning frequency range ................ 530 kHz ~ 1,700 kHz
Usable sensitivity (30% mod., S/N 20 dB)
................................................... 16 µV / (600 µV/m)
Signal to noise ratio (30% mod. 1 mV input) ......... 50 dB
[ GENEAL ]
Power consumption ................................................. 2.8 A
AC outlet
SWITCHED .....................2 (total 150 W, 1.25 A max.)
Dimensions ................................... W:440 mm (17-5/16”)
............................................... H:144 mm (5-11/16”)
............................................... D:389 mm (15-5/16”)
Weight (Net)............................................. 8.0 kg (17.6 lb)
For other countries
[ AUDIO section ]
Effective power output during STEREO operation
1kHz,10% T.H.D.,at 8 Ω ....................... 140 W + 140 W
100 watts per channel minimum RMS, both channels
driven, at 8 Ω from 40 Hz to 20 kHz with no more than
0.5 % total harmonic distortion.(FTC)
Total harmonic distortion ........0.02 % (1 kHz, 50W, 8 Ω)
Signal to noise ratio (IHF’66)
PHONO (MM)...................................................... 75 dB
CD ....................................................................... 92 dB
Input sensitivity / impedance
PHONO (MM)....................................... 2.5 mV / 27 kΩ
CD ....................................................... 200 mV / 47 kΩ
Output level / impedance
TAPE REC ......................................... 200 mV / 2.2 kΩ
PRE OUT (SUBWOOFER) ....................... 2 V / 2.2 kΩ
Tone control
BASS ................................................±9 dB (at 100 Hz)
TREBLE ........................................... ±9 dB (at 10 kHz)
[ FM tuner section ]
Tuning frequency range ............. 87.5 MHz ~ 108.0 MHz
Usable sensitivity .......... (MONO 1.6 µV (75 Ω)/ 15.2 dBf
(75 kHz DEV., SINAD 30 dB)
50dB quieting sensitivity
STEREO .............................. 31.6 µV (75 Ω)/ 41.2 dBf
Total harmonic distortion (1 kHz)
MONO .......................................... 0.6 % (65 dBf input)
STEREO ...................................... 0.7 % (65 dBf input)
Signal to noise ratio (1 kHz, 75 kHz DEV.)
MONO .......................................... 75 dB (65 dBf input)
STEREO ......................................68 dB (65 dBf input)
Stereo separation (1 kHz) ...................................... 38 dB
Selectivity (±400 kHz)............................................. 65 dB
Frequency response ..... (30 Hz~15kHz), +0.5 dB ~ –3.0 dB
[AM tuner section ]
Tuning frequency range
9 kHz step .................................. 531 kHz ~ 1,602 kHz
10 kHz step (except Australia)... 530 kHz ~ 1,610 kHz
Usable sensitivity (30% mod., S/N 20 dB)
................................................... 16 µV / (600 µV/m)
Signal to noise ratio (30% mod. 1 mV input) ......... 50 dB
[ GENEAL ]
Power consumption ............................................... 280 W
AC outlet
SWITCHED (for Australia) .......... 1 (total 150 W max.)
SWITCHED (except Australia) ... 2 (total 150 W max.)
Dimensions ................................... W:440 mm (17-5/16”)
............................................... H:144 mm (5-11/16”)
............................................... D:389 mm (15-5/16”)
Weight (Net)............................................. 8.0 kg (17.6 lb)
Notes:
1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed
without notice.
2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299

Kenwood KRF-A4030 Specifications

Audio Specifications

Rated power output during STEREO operation (DIN)	105 W + 105 W
Rated power output during STEREO operation (IEC)	100 W + 100 W
Total harmonic distortion	0.02 %
Signal to noise ratio (PHONO MM)	75 dB
Signal to noise ratio (CD)	92 dB
Input sensitivity / impedance (PHONO MM)	2.5 mV / 27 kΩ
Input sensitivity / impedance (CD)	200 mV / 47 kΩ
Output level / impedance (TAPE REC)	200 mV / 2.2 kΩ
Output level / impedance (PRE OUT SUBWOOFER)	2 V / 2.2 kΩ
Tone control (BASS)	±9 dB (at 100 Hz)
Tone control (TREBLE)	±9 dB (at 10 kHz)

AM Tuner Specifications

Tuning frequency range	531 kHz ~ 1, 602 kHz
Usable sensitivity	16 µV / (600 µV/m)
Signal to noise ratio	50 dB

General Specifications

Power consumption	280 W
AC outlet (SWITCHED)	2 (total 150 W max.)
Dimensions (W x H x D)	440mm x 144mm x 389mm
Weight (Net)	8.0 kg

FM Tuner Specifications

Tuning frequency range (U.K. and Europe)	87.5 MHz ~ 108.0 MHz
Tuning frequency range (Russia)	65.0 MHz ~ 74.0 MHz
Usable sensitivity (MONO)	1.2 µV / 13.2 dBf
Usable sensitivity (STEREO)	45 µV / 44.2 dBf
Total harmonic distortion (MONO)	0.2%
Total harmonic distortion (STEREO)	0.8%
Signal to noise ratio (U.K. and Europe, MONO)	65 dB
Signal to noise ratio (U.K. and Europe, STEREO)	58 dB
Signal to noise ratio (Russia, MONO)	63 dB
Signal to noise ratio (Russia, STEREO)	58 dB
Stereo separation	36 dB
Selectivity	64 dB
Frequency response	+0.5 dB ~ –3.0 dB