Specifications - Kenwood R-K731-B Service Manual

R-K731
[Amplifier]
Eff ective output power during STEREO operation
.................................50 W+50 W RMS (1kHz, 10%T.H.D., 6 Ω)
Tone control characteristics
BASS ........................................................±8 dB (at 100 Hz)
MID ................................................................±8 dB (at 1 kHz)
TREBLE ......................................................±8 dB (at 10 kHz)
D-Bass (+10) .......................................+10 dB (55 Hz, Vol. 60)
Input terminals (Sensitivity/Impedance)
LINE (AUX) .................................................... 300 mV / 47 kΩ
LINE (D.AUDIO) ............................................ 300 mV / 47 kΩ
Output terminals (Level/Impedance)
SUB WOOFER PRE OUT ....................................... 2 V / 1 kΩ
LINE (AUX) ............................................................. 2 V / 1 kΩ
[Digital unit]
Sampling frequencies ......32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz
Supreme EX (CD, D-IN, USB, PC IN)
Playable frequencies ......................................... 1 Hz - 48 kHz
Digital input terminals (Sensitivity/Wave length)
Optical ..............................15 dBm - -24 dBm, 660 nm ±30 nm
[USB interface]
Usable USB device ...........................USB Mass storage class
Interface ................... USB2.0 (Full speed) USB1.1 compatible
File system............................................................ FAT 16/32
Supply current ............................................................Max. 1 A
[Tuner]
FM tuner
Reception frequency range .................. 87.5 MHz to 108 MHz
Antenna impedance ....................................75 Ω unbalanced
AM tuner
Reception frequency range .................. 531 kHz to 1,602 kHz
[CD player]
Scanning method ...................................Semiconductor laser

Specifications

[General]
Standby power consumption ................................ 0.5 W or less
Power consumption ......................................................... 65 W
Standby power consumption ................................ 0.5 W or less
Power consumption ......................................................... 65 W
Dimensions
Width ..................................................................... 245 mm
Height ....................................................................... 104 mm
Depth......................................................................... 309 mm
Weight (net) ................................................................5.7 kg
Notes:
• Kenwood follows a policy of continuous advancements in-
development. For this reason specifications may be
changed without notice.
• Sufficient performance may not be exhibited at extremely
cold locations (where water freezes).
Kenwood Corporation