JVC KD-R420J Service Manual page 2

AUDIO AMPLIFIER SECTION
Maximum Power Output
Continuous Power Output(RMS)
Signal-to-Noise Ratio
Load Impedance
Frequency Response
Line-Out or Subwoofer-Out Level/Impedance
Output Impedance
Other Terminal
TUNER SECTION
Frequency Range
FM Tuner
AM Tuner
CD PLAYER SECTION
Type
Signal Detection System
Number of Channels
Frequency Response
Signal-to-Noise Ratio
Wow and Flutter
MP3 Decoding Format (MPEG1/2 Audio Layer 3)
®
WMA (Windows Media Audio) Decoding Format
USB SECTION
USB Standard
Data Transfer Rate (Full Speed)
Compatible Device
Compatible File System
Playable Audio Format
Max. Current
GENERAL
Power Requirement
Grounding System
Allowable Operating Temperature
Dimensions (W × H × D):(approx.)
Mass
• Subject to change without notice.
• Microsoft and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or
other countries.
1-2 (No.MA478<Rev.001>)
SPECIFICATION
[KD-R424, KD-R425, KD-R426]
50 W per channel
20 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more than 1% total harmonic distortion.
70 dB
4 Ω (4 Ω to 8 Ω allowance)
40 Hz to 20 000 Hz
2.5 V/20 kΩ load (full scale)
1 kΩ
USB input terminal, Front auxiliary input jack, Rear auxiliary/Bluetooth adapter input
jack, Antenna terminal
FM
AM
Usable Sensitivity
50 dB Quieting Sensitivity
Alternate Channel Selectivity (400 kHz) 65 dB
Frequency Response
Stereo Separation
Sensitivity/Selectivity
Compact disc player
Non-contact optical pickup (semiconductor laser)
2 channels (stereo)
5 Hz to 20 000 Hz
98 dB
Less than measurable limit
Max. Bit Rate
Max. Bit Rate
USB 1.1, USB 2.0
Max. 12 Mbps
Mass Storage Class
FAT 32/16/12
MP3/WMA
DC 5 V 500 mA
Operating Voltage
Negative ground
0°C to +40°C
Installation Size
Panel Size
1.2 kg (excluding accessories)
87.5 MHz to 108.0 MHz
531 kHz to 1611 kHz
9.3 dBf (0.8 µV/75 Ω)
16.3 dBf (1.8 µV/75 Ω)
40 Hz to 15 000 Hz
40 dB
20 µV/40 dB
320 kbps
192 kbps
DC 14.4 V (11 V to 16 V allowance)
182 mm × 52 mm × 159 mm
188 mm × 59 mm × 9 mm