A new era in
tuning accuracy and convenience with Quartz Synthesized All-Pushbutton Memory
preset Tuning, Dual Super Servo System , and Linear Switching.
The Onkyo
TX-4000 Quartz Synthesized Tuner/Amplifier is one of the most perfect stereo
receivers we've ever designed. Nothing else in its price range provides the
brilliant purity, dynamic headroom, and full excitement of its sound.
The Onkyo
TX-4000 brings tuning accuracy to a new level of precision, with an advanced
approach to quartz-synthesized digital tuning. And the amplifier section
provides all the dynamic headroom demanded by today's audiophile recording
techniques. Onkyo's exclusive Dual-Super-Servo System makes it possible, by
allowing the power supply to perform as if it were 50-times larger. And there's
more, LED power metering, memory to pre-set 6 AM and 6 FM stations, and elegant
styling with a flip-down control panel.
Specifications
Amplifier
Power: 45 watts per channel, min. RMS, at 8 ohms both channels driven, from 20
- 20,000 Hz no more than 0,04% T.H.D.
Total
Harmonic Distortion:
0,04% at
rated power
0,04% at 1
watt output
IM
Distortion:
0,1% at
rated power
0,004% at 1
watt output
Damping
Factor: 40 at 8 ohms
Frequency
Response: 20 Hz - 30,000 Hz (±1 dB)
RIAA
deviation: 20 Hz - 20,000 Hz (±0,8 dB)
Input
Sensitivity/Impedance:
Phono : 2,5 mV / 50 k Ω
Tape Play
: 150 mV/50 k Ω
Tape Rec
: 150 mV/3,5 k Ω (PH)
Input
Sensitivity for 1 watt Output:
Phono : 0,35 mV
Tape Play
: 22 mV
Phono
Overload: 180 mV RMS at 1 kHz, 0,04%
T.H.D.
Signal-to-Noise
Ratio:
Phono : 76 dB (IHF A weighted, 1 watt output, 5 mV
input); 85 dB ( A weighted, 10 mV input)
Tape : 80 dB (IHF A weighted, 1 watt output, 0,5 V
input); 95 dB (A weighted)
Residual Hum
and Noise: 0,8 mV at min.volume level (A
weighted)
Tone
Controls:
Bass : ±12 dB at 100 Hz
Treble
: ±12 dB at 10 kHz
Filters:
High : 6 kHz, 6 dB/oct
Subsonic
: 10 Hz, 12 dB/oct
Loudness
(-30 dB): +9 dB at 40 Hz; +5 dB at 20 kHz
FM Tuner
Section
Tuning
Range: 87,9 - 107,9 MHz (200 kHz step)
Usable
Sensitivity:
Mono : 11,2 dBf (2,0 µV)
Stereo
: 19,2 dBf (5,0 µV)
50 dB
Quieting Sensitivity:
Mono : 17,2 dBf (4,0 µV)
Stereo
: 37,2 dBf (40 µV)
Capture
ratio: 1,5 dB
Image
Rejection Ratio: 45 dB
IF Rejection
Ratio: 85 dB
Spurious
Rejection Ratio: 80 dB
Signal-to-Noise
Ratio:
Mono : 70 dB
Stereo
: 65 dB
Alternate
Channel Attenuation: 60 dB
AM
Suppression Ratio: 52 dB
Harmonic
Distortion:
Mono : 0,15%
Stereo
: 0,25 %
Frequency
Response: 30 Hz - 15,000 Hz (±1,5 dB)
Stereo
Separation: 40 dB at 1 kHz; 30 dB at 100 Hz - 10,000 Hz
Muting
level: 14,7 dBf (3 µV)
Stereo
Threshold: 14,7 dBf (3 µV)
AM Tuner
Section
Tuning
Range: 530 - 1620 kHz (10 kHz step)
Usable
Sensitivity: 25 µV
Image
rejection Ratio: 45 dB
IF Rejection
ratio: 30 dB
Signal-to-Noise
Ratio: 40 dB
Harmonic
Distortion: 0,8%
General
Section
Antennas:
FM : 300 Ω balanced and 75 Ω unbalsnced
AM : built-in ferrite core and external terminal
Semiconductors: 3 FETs, 27 Transistors, 20 ICs, 70 Diodes, 31
LEDs
Power
Supply: AC 120 V, 220 -240 V, 50/60 Hz
Dimensions
(W x H x D): 480 x 130 x 376 mm
(19" x 5-1/8" x 14-3/16")
Weight: 11,4 kg (25,1 lbs)
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