Specifications

AUDIO AMPLIFIER SECTION

TUNER SECTION

Maximum Power Output:

Front/

50 W per channel

 

 

Rear:

 

 

 

 

Continuous Power Output (RMS):

Front/

20 W per channel into 4 Ω, 40 Hz to

 

 

Rear:

20 000 Hz at no more than 1% total

 

 

 

harmonic distortion.

 

 

 

 

Load Impedance:

 

 

4 Ω (4 Ω to 8 Ω allowance)

 

 

 

 

Tone Control Range:

 

Bass:

±12 dB (50 Hz, 100 Hz, 200 Hz)

 

 

 

Q0.7, Q1.0, Q1.4, Q2.0

 

 

 

 

 

 

Middle:

±12 dB (0.5 kHz, 1.0 kHz, 2.0 kHz)

 

 

 

Q0.7, Q1.0, Q1.4, Q2.0

 

 

 

 

 

 

Treble:

±12 dB (5.0 kHz, 10.0 kHz, 15.0 kHz)

 

 

 

Q0.7, Q1.0, Q1.4, Q2.0

 

 

 

 

Frequency Response:

 

 

40 Hz to 20 000 Hz

 

 

 

 

Signal-to-Noise Ratio:

 

 

70 dB

 

 

 

Line-Out Level/Impedance:

 

2.5 V/20 kΩ load (full scale)

 

 

 

Subwoofer-Out Level/Impedance:

 

2.5 V/20 kΩ load (full scale)

 

 

 

 

Output Impedance:

 

 

1 kΩ

 

 

 

 

Other Terminal:

 

AUX (auxiliary) input jack, USB input terminal, USB

 

 

cable, Aerial input, Steering wheel remote input

 

 

 

 

Frequency Range:

FM:

 

87.5 MHz to 108.0 MHz

 

 

 

 

 

AM:

 

MW: 522 kHz to 1 620 kHz

 

 

 

LW: 144 kHz to 279 kHz

 

 

 

 

FM Tuner:

Usable Sensitivity:

9.3 dBf (0.8 μV/75 Ω)

 

 

 

 

 

50 dB Quieting

16.3 dBf (1.8 μV/75 Ω)

 

Sensitivity:

 

 

 

 

 

 

 

Alternate Channel

65 dB

 

Selectivity (400 kHz):

 

 

 

 

 

 

Frequency Response:

40 Hz to 15 000 Hz

 

 

 

 

 

Stereo Separation:

40 dB

 

 

 

 

MW Tuner:

Sensitivity:

 

20 μV

 

 

 

 

 

Selectivity:

 

40 dB

 

 

 

 

LW Tuner:

Sensitivity:

 

50 μV

 

 

 

 

44

ENGLISH

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Alpine KD-R810 manual Maximum Power Output Front Per channel Rear, Harmonic distortion, Load Impedance 4 Ω to 8 Ω allowance
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