KENWOOD KRFV4070DS
Manual de Servicio

KRF-V4070D/V5070D/V6070D/VR-705/707/715/716
SPECIFICATIONS
For the U.S.A and Canada AUDIO section
Rated power output during STEREO operation 100 watts per channel minimum RMS, both channels driven, at 8� from 40 Hz to 20 kHz with no more than 0.7% total harmonic distortion. (FTC) Effective power output during SURROUND operation FRONT (40 ~ 20 kHz, 0.7% T.H.D. at 8� one channel driven) ............................................................................... 100 W + 100 W CENTER (40 ~ 20 kHz, 0.7% T.H.D. at 8� one channel driven) .............................................................................................. 100 W SURROUND (40 ~ 20 kHz, 0.7% T.H.D. at 8 � one channel driven) .................................................................................100 W + 100 W SURROUND BACK (80 Hz, 0.7% T.H.D. at 8 � one channel driven) (VR-707) .................................................................................100 W Total harmonic distortion .................................0.05% (1 kHz, 50 W, 8 �) Frequency response CD ............................................... 20 Hz ~ 70 kHz, +0 dB, �3.0 dB Signal to noise ratio (IHF�66) CD .......................................................................................... 95 dB Input sensitivity / impedance CD ......................................................................... 550 mV / 47 k� DVD/6CH INPUT (VR-707) .................................. 550 mV / 47 k� Output level / impedance TAPE REC............................................................... 550 mV / 1 k� PRE OUT (SUBWOOFER) (VR-707) ...................... 1.5 V / 2.2 k� Tone control BASS ................................................................ ±10 dB (at 100 Hz) TREBLE............................................................ ±10 dB (at 10 kHz) Loudness control VOLUME at -30dB level ................................... +8 dB (at 100 Hz)

DIGITAL AUDIO section
Sampling frequency ...................... 32 kHz, 44.1 kHz, 48 kHz, 96 kHz Input level / impedance / wave length Optical ........................... (�15 dBm ~ �21 dBm), 660 nm ±30 nm Coaxial ................................................................... 0.5 Vp-p / 75 �

VIDEO section
VIDEO inputs / outputs VIDEO (composite) ................................................. 1 Vp-p / 75 �

FM tuner section
Tuning frequency range ................................. 87.5 MHz ~ 108.0 MHz Usable sensitivity (MONO) VR-707 ................. 1.3 µV (75 � )/ 13.2 dBf (75 kHz DEV., SINAD 30 dB) KRF-V6070D ................... 1.6 µV (75 � )/ 15.2 dBf (75 kHz DEV., SINAD 30 dB) 50dB quieting sensitivity STEREO ..................................................... 28 µV (75 �)/ 40.2 dBf Total harmonic distortion (1 kHz) MONO .......................................................... 0.5% (71.2 dBf input) STEREO ....................................................... 0.7% (71.2 dBf input) Signal to noise ratio (1 kHz, 75 kHz DEV.) MONO ........................................................ 75 dB (71.2 dBf input) STEREO ..................................................... 68 dB (71.2 dBf input) Stereo separation (1 kHz) ........................................................... 40 dB Selectivity (±400 kHz) VR-707 .................................................... 70 dB KRF-V6070D ........................................... 50 dB Frequency response .................... (30 Hz ~ 15kHz), +0.5 dB, �3.0 dB

For other countries AUDIO section
Rated power output during STEREO operation 100 watts per channel minimum RMS, both channels driven, at 8� from 40 Hz to 20 kHz with no more than 0.7% total harmonic distortion. (FTC) Effective power output during SURROUND operation FRONT (1 kHz, 0.7% T.H.D. at 8 � one channel driven) ................................................................................ 100 W + 100 W CENTER (1 kHz, 0.7% T.H.D. at 8 � one channel driven) .... 100 W SURROUND (1 kHz, 0.7% T.H.D. at 8 � one channel driven) ................................................................................ 100 W + 100 W SURROUND BACK (80 Hz, 0.7% T.H.D. at 8 � one channel driven) (KRF-V6070D) .......................................................................100 W Total harmonic distortion ................................. 0.05% (1 kHz, 50 W, 8 �) Frequency response CD ............................................... 20 Hz ~ 70 kHz, +0 dB, �3.0 dB Signal to noise ratio (IHF�66) CD, TUNER, AUX, TAPE ...................................................... 95 dB Input sensitivity / impedance CD ......................................................................... 550 mV / 47 k� DVD/6CH INPUT (KRF-V6070D) ........................ 550 mV / 10 k� Output level / impedance TAPE REC............................................................... 550 mV / 1 k� PRE OUT (SUBWOOFER) (KRF-V6070D) ............. 1.5 V / 2.2 k� Tone control BASS ................................................................ ±10 dB (at 100 Hz) TREBLE............................................................ ±10 dB (at 10 kHz) Loudness control VOLUME at -30dB level ................................... +8 dB (at 100 Hz)

AM tuner section

Tuning frequency range 10 kHz step (VR-707) .................................. 530 kHz ~ 1,700 kHz 10 kHz step (KRF-V6070D)............................ 530 kHz ~ 1,610 kHz . 9 kHz step (KRF-V6070D).............................. 531 kHz ~ 1,602 kHz . Usable sensitivity (30% mod., S/N 20dB) (VR-707) ........................................................................ 16 µV / (600 µV/m) Usable sensitivity (KRF-V6070D)............................. 16 µV / (600 µV/m) Signal to noise ratio (30% mod. 1 mV input) .................................. 50 dB

GENERAL
Power consumption VR-707 ....................................................... 2.2 A KRF-V6070D ............................................. 280W AC outlet SWITCHED VR-707 ................................................ (total 150 W, 1.25 A max.) KRF-V6070D ..................................................... (total 90 W max.) Dimensions .................................................... W : 440 mm (17-5/16") H : 143 mm (5-5/8") D : 303 mm (11-15/16") Weight (Net) VR-707 ................................................................. 7.7 kg (17.00 lb) KRF-V6070D ........................................................ 8.8 kg (19.40 lb)

Notes 1. KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. 2. The full performance may not be exhibited in an extremely cold location (under a water-freezing temperature).

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