Kenwood KR-7400 specifications

Category : Receiver

Brand : Kenwood

General

connectors

Technical data

amplifier

Tuner

special features

• manufacturer: Kenwood
• model: KR-7400
• year of construction: 1974 - 1976
• Made in Japan
• color: silver
• remote control: no
• power consumption:
• dimensions: 480 x 151 x 344 mm (WxHxD)
• weight: 14 kg
• factory price approx.: 540, US-$, 2'358 DM

• number of inputs:
  • 2x Phono MM (RCA): 2,5 mV / 50 K-ohms
  • 2x Tape In (RCA/DIN): 150 mV / 80 k643961b8da111c0a15d770a1109a86d4
  • AUX (RCA): 150 mV / 80 k643961b8da111c0a15d770a1109a86d4
  • 4 Channel
  • microphone: 2.5 mV / 50 K-ohms
  • antenna FM (75/300 643961b8da111c0a15d770a1109a86d4), AT
• number of outputs:
  • 2x Tape Out (RCA/DIN): 150 mV / 100 643961b8da111c0a15d770a1109a86d4s (RCA); 30 mV / 80 643961b8da111c0a15d770a1109a86d4 (DIN)
  • 4 Channel Out
  • FM Quad radial
  • headphone (6.3 mm Jack, front)
  • 3 pairs of Speakers

• 2x Phono MM (RCA): 2.5 mV / 50 K-ohms
• 2x Tape In (RCA/DIN): 150 mV / 80 k643961b8da111c0a15d770a1109a86d4
• AUX (RCA): 150 mV / 80 k643961b8da111c0a15d770a1109a86d4
• 4 Channel
• microphone: 2.5 mV / 50 K-ohms
• antenna FM (75/300 643961b8da111c0a15d770a1109a86d4), ON

• 2x Tape Out (RCA/DIN): 150 mV / 100 643961b8da111c0a15d770a1109a86d4s (RCA); 30 mV / 80 643961b8da111c0a15d770a1109a86d4 (DIN)
• 4 Channel Out
• FM Quad radial
• headphone (6.3 mm Jack, front)
• 3 pairs of Speakers

• continuous power
  • 8 643961b8da111c0a15d770a1109a86d4: 2x 63 W (20-20.000 Hz)
  • 4 643961b8da111c0a15d770a1109a86d4: 2x 75 W (1 kHz)
• dynamic performance
  • 8 643961b8da111c0a15d770a1109a86d4: 208 W
  • 4 643961b8da111c0a15d770a1109a86d4s: 290 watts
• total harmonic distortion: 0.3% (at nominal power)
• damping factor: 50 (8 643961b8da111c0a15d770a1109a86d4)
• frequency response:
  • pre-amplifier: 10 - 40,000 Hz (±1 dB)
  • power range: 5 - 35.000 Hz
• signal-to-noise ratio:
  • Phono MM: 70 dB
  • AUX, Tape: 90 dB
  • microphone: 65 dB
• stereo channel separation:
• sound-control:
  • Bass: ±10 dB at 100 Hz
  • Mid: ±10 dB at 800 Hz
  • treble: ±10 dB at 10 kHz
• Loudness: +8/+5 dB (100 Hz/10 kHz)
• High Filter : -10 dB at 10 kHz
• Low Filter (Subsonic): -8 dB at 100 Hz
• Mute: FM Muting

• 8 643961b8da111c0a15d770a1109a86d4: 2x 63 W (20-20.000 Hz)
• 4 643961b8da111c0a15d770a1109a86d4: 2x 75 W (1 kHz)

• 8 643961b8da111c0a15d770a1109a86d4: 208 W
• 4 643961b8da111c0a15d770a1109a86d4s: 290 watts

• pre-amplifier: 10 - 40,000 Hz (±1 dB)
• power bandwidth: 5 - 35,000 Hz

• Phono MM: 70 dB
• AUX, Tape: 90 dB
• MIC: 65 dB

• Bass: ±10 dB at 100 Hz
• Mid: ±10 dB at 800 Hz
• height: ±10 dB at 10 kHz

• receiving: FM, MW
• frequency:
  • FM: 87.5 - 108 MHz
  • MW: 525 - 1.605 kHz
• frequency response: 20 - 15,000 Hz (+0,5/-1.5 dB, FM)
• input sensitivity:
  • FM: 1,7 µV (IHF)
  • MW: 15 µV
• total harmonic distortion:
  • FM: 0,3% (Mono), and 0.5% (Stereo),
• signal-to-noise ratio:
  • FM: 70 dB (Stereo)
  • MW: 45 dB
• channel separation:
  • FM: 40 dB (at 1 kHz)
• selectivity:
  • FM: 80 dB
  • MW: 35 dB
• frequency selection:
  • FM: 1.3 dB
• in addition to the wave selection:
  • FM: 100 dB
• mirror frequency attenuation:
  • FM: 90 dB
  • MW: 70 dB
• ZF-loss:
  • FM: 100 dB
  • MW: 70 dB
• ON-rejection: 90 dB

• FM: 87.5 - 108 MHz
• MW: 525 - 1.605 kHz

• FM: 1,7 µV (IHF)
• MW: 15 µV

• FM: 0,3% (Mono), and 0.5% (Stereo),

• FM: 70 dB (Stereo)
• MW: 45 dB

• FM: 40 dB (at 1 kHz)

• FM: 80 dB
• MW: 35 dB

• FM: 1.3 dB

• FM: 100 dB

• FM: 90 dB
• MW: 70 dB

• FM: 100 dB
• MW: 70 dB

• connection for 4-channel Adapter
• FM Quad radial output

• Other models from the same series:
  • Kenwood KR-1400
  • Kenwood KR-2400
  • Kenwood KR-3400
  • Kenwood KR-4400
  • Kenwood KR-5400
  • Kenwood KR-6400
  • Kenwood KR-7400
  • Kenwood KR-9400

• Kenwood KR-1400
• Kenwood KR-2400
• Kenwood KR-3400
• Kenwood KR-4400
• Kenwood KR-5400
• Kenwood KR-6400
• Kenwood KR-7400
• Kenwood KR-9400

• image: Kenwood KR-7400

• extract from the prospectus: Kenwood KR-7400

Comment:

Comment box:

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