Table of Contents
Advertisement
QQ
3 7 63 1515 0
8.2 SPECIFICATIONS
General
Power source .......... 14.4 V DC (10.8 – 15.1 V allowable)
Grounding system ........................................ Negative type
Max. current consumption
(KEH-P4700/X1M/UC, P4750/X1M/ES)
Dimensions
(DIN) (chassis) .... 178 (W) × 50 (H) × 153 (D) mm
(nose) .......... 188 (W) × 58 (H) × 19 (D) mm
(chassis) .... 178 (W) × 50 (H) × 158 (D) mm
(D)
(nose) .......... 170 (W) × 48 (H) × 14 (D) mm
Weight ........................................................ 1.2 kg (2.6 lbs)
Amplifier
Continuous power output is 20 W
17 W
(KEH-P4700/X1M/UC, P4750/X1M/ES)
min. into 4 ohms, both channels driven 50 to 15,000 Hz
with no more than 5% THD.
Maximum power output
(KEH-P4700/X1M/UC, P4750/X1M/ES) ....
Load impedance .......................... 4 Ω (4 – 8 Ω allowable)
Preout output level/output impedance ........ 500 mV/1 kΩ
Tone controls
(Bass)
(KEH-P424/X1M/UC, P4700/X1M/UC)
TE
L 13942296513
(KEH-P4750/X1MES)
(Treble) .......................................... ±12 dB (10 kHz)
Loudness contour ...... +10 dB (100 Hz), +7 dB (10 kHz)
Cassette player
Tape ........................ Compact cassette tape (C-30 – C-90)
Tape speed .... 4.76 cm/sec.(+0.14 cm/sec.,–0.05 cm/sec.)
Fast forward/rewinding time .. Approx. 100 sec. for C-60
Wow & flutter .......................................... 0.09% (WRMS)
Frequency response ........ Metal: 30 – 19,000 Hz (±3 dB)
Stereo separation ...................................................... 45 dB
Signal-to-noise ratio
...... Metal: Dolby B NR IN: 67 dB (IHF-A network)
Dolby NR OUT: 61 dB (IHF-A network)
www
.
http://www.xiaoyu163.com
...... 10.0 A
(KEH-P424/X1M/UC)
8.5 A
[7 (W) × 2 (H) × 6 (D) in.]
[7-3/8 (W) × 2-1/4 (H) × 3/4 (D) in.]
[7 (W) × 2 (H) × 6-1/4 (D) in.]
[6-3/4 (W) × 1-7/8 (H) × 1/2 (D) in.]
(KEH-P424/X1M/UC) or
per channel
.... 40 W × 4
(KEH-P424/X1M/UC)
35 W × 4
±12 dB (100 Hz)
.............. +8 — –16 dB (100 Hz)
(volume: –30 dB)
x
ao
y
i
http://www.xiaoyu163.com
KEH-P424,P4700,P4750
8
FM tuner
Frequency range
.... 87.9 – 107.9 MHz
(KEH-P424/X1M/UC, P4700/X1M/UC)
.............................. 87.5 – 108 MHz
(KEH-P4750/X1M/ES)
Usable sensitivity .................................................... 11 dBf
(1.0 µV/75 Ω, mono, S/N: 30 dB)
50 dB quieting sensitivity .... 16 dBf (1.7 µV/75 Ω, mono)
Signal-to-noise ratio ...................... 70 dB (IHF-A network)
Distortion .......................... 0.3% (at 65 dBf, 1 kHz, stereo)
Frequency response .................... 30 – 15,000 Hz (±3 dB)
Stereo separation ........................ 40 dB (at 65 dBf, 1 kHz)
Selectivity
........ 70 dB (2ACA)
(KEH-P424/X1M/UC, P4700/X1M/UC)
Three-signal intermodulation
(KEH-P424/X1M/UC, P4700/X1M/UC)
(desired signal level) ........................................ 30 dBf
(two undesired signal level: 100 dBf)
AM tuner
Frequency range
.... 530 – 1,710 kHz
(KEH-P424/X1M/UC, P4700/X1M/UC)
................ 530 – 1,710 kHz(10kHz)
(KEH-P4750/X1M/ES)
531 – 1,602 kHz(9kHz)
Usable sensitivity .............................. 18 µV (S/N: 20 dB)
Selectivity
...... 50 dB (±10 kHz)
(KEH-P424/X1M/UC, P4700/X1M/UC)
............................ 50 dB (±10 kHz)
(KEH-P4750/X1M/ES)
Q Q
3
6 7
1 3
Note:
• Specifications and the design are subject to possi-
ble modification without notice due to improve-
ments.
u163
.
2 9
9 4
2 8
50 dB (±9 kHz)
1 5
0 5
8
2 9
9 4
m
co
9 9
2 8
9 9
49
Hide quick links:
Advertisement
Table of Contents
