Pioneer KEH-3900R Specifications, General, Amplifier, Cassette player, FM tuner, MW tuner

Specifications

General

Power source	14.4 V DC (10.8 – 15.1 V allowable)
Grounding system	Negative type
Max. current consumption		8.5 A
Dimensions	...... 178 (W) × 50 (H) × 155
(mounting size)		(D) mm
(front face)	188 (W) × 58 (H) × 19	(D) mm
Weight		1.2 kg

Amplifier

Maximum power output	......................................	40 W × 4
Continuous power output		22 W × 4
		(DIN45324, +B = 14.4 V)
Load impedance		4 Ω (4 – 8 Ω allowable)
Tone controls
(Bass)		± 12 dB (100 Hz)
(Treble)		± 12 dB (10 kHz)
Loudness contour	+10 dB (100 Hz), +7 dB (10 kHz)
		(volume: –30 dB)

Cassette player

Tape	Compact cassette tape (C-30 – C-90)
Tape speed		4.8 cm/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 (IEC-A network)

FM tuner

Frequency range ...................................... 87.5 – 108 MHz

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 (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)

MW tuner

Frequency range	...................................... 531 – 1,602 kHz
Usable sensitivity	.............................. 18 µV (S/N: 20 dB)
Selectivity	50 dB (± 9 kHz)

LW tuner

Frequency range	........................................ 153 – 281 kHz
Usable sensitivity	.............................. 30 µV (S/N: 20 dB)
Selectivity	50 dB (± 9 kHz)

Note:

•Specifications and the design are subject to possi- ble modification without notice due to improve- ments.

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