Specifications - Kenwood DPX-4020 Service Manual

DPX-4020
GM type
FM Section
Frequency Range .................87.5MHz~108.0MHz(50kHz)
(Frequency Step)
Channel Space Selection ...........................50kHz/200kHz
Usable Sensitivity(S/N:30dB) .................9.3dBf(0.8µ/75Ω)
Quieting Sensitivity(S/N:50dB)...........15.2dBf(1.6µV/75Ω)
Frequency Response(±3.0dB) ......................30Hz~15kHz
S/N(dB) ........................................................70dB(MONO)
Selectivity...............................................≥80dB(±400kHz)
Stereo Separation ...........................................40dB(1kHz)
AM Section
Frequency Range .......................531kHz~1611kHz(9kHz)
(Frequency Step)
Channel Space Selection ...............................9kHz/10kHz
Usable Sensitivity(S/N:20dB) .....................28dBµV(25µV)
CASSETTE Section
Tape Speed ....................................................4.76cm/sec.
Wow & Flutter ..........................................0.08(%)(WRMS)
Frequency Response(±3.0dB) ............25Hz~22kHz(70µs)
Stereo Separation ...............................................40(1kHz)
S/N Ratio(dB) Dolby NR off ........................60dB(BNR off)
Dolby BNR on............................................................68dB
CD Section
Laser Diode..........................................GaAIAs(λ=780nm)
Digital Filter(D/A) ..........................8 Times Over Sampling
D/A Converter ..............................................................1Bit
Spindle Speed ......................................500~200rpm(CLV)
Wow & Flutter ................................Below Mesurable Limit
Frequency Response .........................10Hz~20kHz(±1dB)
Total Harmonic Distortion..............................0.01%(1kHz)
S/N Ratio.........................................................93dB(1kHz)
Dynamic Range .........................................................93dB
Channel Separation...................................................85dB
AMPLIFIER Section
Maximum Power ....................................................47W✕4
Full Bandwidth Power..........22W✕4(at less than 1%THD)
Preout Level(V) ...........................................1500mV/10kΩ
Preout Impedance(Ω) .............................................≤600Ω
GENERAL
Operating Voltage ...................................14.4V(11V~16V)
Current Consumption ..................................................10A
Installation Size (W)........................................178mm(7in)
(H)..............................100mm(3-15/16in)
(D)..................................155mm(6-1/8in)
Weight .......................................................................2.7kg
KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.
Manufactured under license from Dolby Laboratories.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories.
KENWOOD CORPORATION
14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo 150-8501 Japan

SPECIFICATIONS

87.9MHz~107.9MHz(200kHz)
530kHz~1700kHz(10kHz)
GK type
FM Section
Frequency Range .............................87.9MHz~107.9MHz
(Frequency Step)
Channel Space Selection ...............................................—
Usable Sensitivity(S/N:30dB) .................9.3dBf(0.8µ/75Ω)
Quieting Sensitivity(S/N:50dB)...........15.2dBf(1.6µV/75Ω)
Frequency Response(±3.0dB) ......................30Hz~15kHz
S/N(dB) ........................................................70dB(MONO)
Selectivity...............................................≥80dB(±400kHz)
Stereo Separation ...........................................40dB(1kHz)
AM Section
Frequency Range ..................................530kHz~1700kHz
(Frequency Step)
Channel Space Selection ...............................................—
Usable Sensitivity(S/N:20dB) .....................28dBµV(25µV)
CASSETTE Section
Tape Speed ....................................................4.76cm/sec.
Wow & Flutter ..........................................0.08(%)(WRMS)
Frequency Response(±3.0dB) ............25Hz~22kHz(70µs)
Stereo Separation ...............................................40(1kHz)
S/N Ratio(dB) Dolby NR off ........................60dB(BNR off)
Dolby BNR on............................................................68dB
CD Section
Laser Diode..........................................GaAIAs(λ=780nm)
Digital Filter(D/A) ..........................8 Times Over Sampling
D/A Converter ..............................................................1Bit
Spindle Speed ......................................500~200rpm(CLV)
Wow & Flutter ................................Below Mesurable Limit
Frequency Response .........................10Hz~20kHz(±1dB)
Total Harmonic Distortion..............................0.01%(1kHz)
S/N Ratio.........................................................93dB(1kHz)
Dynamic Range .........................................................93dB
Channel Separation...................................................85dB
AMPLIFIER Section
Maximum Power ....................................................47W✕4
Full Bandwidth Power..........22W✕4(at less than 1%THD)
Preout Level(V) ...........................................1500mV/10kΩ
Preout Impedance(Ω) .............................................≤600Ω
GENERAL
Operating Voltage ...................................14.4V(11V~16V)
Current Consumption ..................................................10A
Installation Size (W)........................................178mm(7in)
(H)..............................100mm(3-15/16in)
(D)..................................155mm(6-1/8in)
Weight ..........................................................2.7kg (5.9lbs)
(200kHz)
(10kHz)