KEH-P490,P4900,P4950
General
Power source .......... 14.4 V DC (10.8 – 15.1 V allowable)
Grounding system ........................................ Negative type
Max. current consumption ........................................ 8.5 A
Dimensions (KEH-P490/X1M/UC, KEH-P4900/X1M/UC)
(DIN) (chassis) ...... 178 (W)
×
50 (H)
×
155 (D) mm
[7 (W)
×
2 (H)
×
6-1/8 (D) in]
(nose) ............ 188 (W)
×
58 (H)
×
20 (D) mm
[7-3/8 (W)
×
2-1/4 (H)
×
3/4 (D) in]
(D)
(chassis) ...... 178 (W)
×
50 (H)
×
160 (D) mm
[7 (W)
×
2 (H)
×
6-1/4 (D) in]
(nose) ............ 170 (W)
×
48 (H)
×
15 (D) mm
[6-3/4 (W)
×
1-7/8 (H)
×
5/8 (D) in]
Weight ........................................................ 1.2 kg (2.6 lbs)
Dimensions (KEH-P4950/X1M/ES)
(DIN) (chassis) ...... 178 (W)
×
50 (H)
×
155 (D) mm
(nose) ............ 188 (W)
×
58 (H)
×
20 (D) mm
(D)
(chassis) ...... 178 (W)
×
50 (H)
×
160 (D) mm
(nose) ............ 170 (W)
×
48 (H)
×
15 (D) mm
Weight ...................................................................... 1.2 kg
Amplifier
Continuous power output is 17 W per channel min. into 4
ohms, both channels driven 50 to 15,000 Hz with no more
than 5% THD.
Maximum power output ...................................... 40 W
×
4
Load impedance .......................... 4
Ω
(4 – 8
Ω
allowable)
Preout maximum output level/
output impedance .................................... 2.2 V/1 k
Ω
Equalizer (3 band equalizer)
(Low) .............................................................. ±12 dB
(Mid) .............................................................. ±12 dB
(High) .............................................................. ±12 dB
Loudness contour
(Low) .................. +3.5 dB (100 Hz), +3 dB (10 kHz)
(Mid) ................ +10 dB (100 Hz), +6.5 dB (10 kHz)
(High) ................ +11 dB (100 Hz), +11 dB (10 kHz)
(volume: –30 dB)
Tape ........................ Compact cassette tape (C-30 – C-90)
Tape speed ........ 4.76 cm/sec.(+0.14cm/sec.,-0.05cm/sec.)
Fast forward/rewinding time .... Approx. 100 sec. for C-60
Wow & flutter .......................................... 0.09% (WRMS)
Frequency response ...................... 30 – 16,000 Hz (±3 dB)
Stereo separation ...................................................... 45 dB
Signal-to-noise ratio...................... 61 dB (IHF-A network)
FM tuner
(KEH-P490/X1M/UC, KEH-P4900/X1M/UC)
Frequency range .................................... 87.9 – 107.9 MHz
Usable sensitivity .................................................... 11 dBf
(1.0
µ
V/75
Ω
, mono, S/N: 30 dB)
50 dB quieting sensitivity .... 16 dBf (1.7
µ
V/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)
Three-signal intermodulation
(desired signal level) ........................................ 50 dBf
(two undesired signal level: 100 dBf)
FM tuner
(KEH-P4950/X1M/ES)
Frequency range ...................................... 87.5 – 108 MHz
Usable sensitivity .................................................... 11 dBf
(1.0
µ
V/75
Ω
, mono, S/N: 30 dB)
50 dB quieting sensitivity .... 16 dBf (1.7
µ
V/75
Ω
, mono)
Signal-to-noise ratio ...................... 70 dB (IEC-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)
AM tuner
(KEH-P490/X1M/UC, KEH-P4900/X1M/UC)
Frequency range ...................................... 530 – 1,710 kHz
Usable sensitivity .............................. 18
µ
V (S/N: 20 dB)
Selectivity ................................................ 50 dB (±10 kHz)
AM tuner
(KEH-P4950/X1M/ES)
Frequency range ........................ 531 – 1,602 kHz (9 kHz)
530 – 1,710 kHz (10 kHz)
Usable sensitivity .............................. 18
µ
V (S/N: 20 dB)
Selectivity .................................................. 50 dB (±9 kHz)
50 dB (±10 kHz)
Note:
• Specifications and the design are subject to possi-
ble modification without notice due to improve-
ments.
8.2 SPECIFICATIONS
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TEL 13942296513 QQ 376315150 892498299
