Kenwood KR-7070 specifications

Category : Receiver

Brand : Kenwood

General

connectors

specifications Tuner section

Technical data amplifier

special features

• manufacturer: Kenwood
• model: KR-7070
• year of construction: 1970 - 1971
• Manufactured in: Japan
• color: silver, Black, walnut wood housing
• remote control: wired remote control RC-70 included
• power consumption: 320 W at Full scale / 40 W without Signal
• dimensions: 432 x 165 x 370 mm
• weight: 18 kg
• factory price approx.: 150'000 Yen (Japan, 1971), 2'500 DM

• number of inputs:
  • Phono 1: 2,5 mV / 50 k643961b8da111c0a15d770a1109a86d4 switchable 0.05 mV / 200 643961b8da111c0a15d770a1109a86d4, 0.5 mV / 200 643961b8da111c0a15d770a1109a86d4
  • Phono 2: 2,5 mV / 50 K-ohms
  • microphone: 4 mV / 100 k643961b8da111c0a15d770a1109a86d4
  • Aux: 180 mV / 100 k643961b8da111c0a15d770a1109a86d4
  • Tape Play:
    • RCA: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
    • DIN
  • Main: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
  • antenna: FM (75 643961b8da111c0a15d770a1109a86d4 Unbalanced / 300 643961b8da111c0a15d770a1109a86d4 Balanced), AT
• number of outputs:
  • Tape Rec (RCA / DIN): 200 mV / 40 mV
  • Pre-Out:
  • headphones
  • 2 pairs of Speakers

• Phono 1: 2,5 mV / 50 k643961b8da111c0a15d770a1109a86d4 switchable 0.05 mV / 200 643961b8da111c0a15d770a1109a86d4, 0.5 mV / 200 643961b8da111c0a15d770a1109a86d4
• Phono 2: 2.5 mV / 50 K-ohms
• microphone: 4 mV / 100 k643961b8da111c0a15d770a1109a86d4
• Aux: 180 mV / 100 k643961b8da111c0a15d770a1109a86d4
• Tape Play:
  • RCA: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
  • DIN
• Main: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
• antenna: FM (75 643961b8da111c0a15d770a1109a86d4 Unbalanced / 300 643961b8da111c0a15d770a1109a86d4 Balanced), AT

• RCA: 100 mV / 100 k643961b8da111c0a15d770a1109a86d4
• DIN

• Tape Rec (RCA / DIN): 200 mV / 40 mV
• Pre-Out:
• headphones
• 2 pairs of Speakers

• receiving: FM, MW
• frequency:
  • FM: 88 - 108 MHz
  • MW: 520 - 1610 kHz
• frequency response: 20 - 15,000 Hz (± 1.2 dB, FM)
• input sensitivity:
  • FM: 1,6 µV
  • MW: 15µV
• total harmonic distortion:
  • Mono: < 0,4 %
  • Stereo: < 0,6 %
• signal-to-noise ratio:
  • FM: > 70 dB
  • MW: > 50 dB
• sharpness of shaft selection: 1.5 dB
• channel separation (1 kHz / 10 kHz): > 35 dB / > 25 dB
• separation:
  • FM: > 75 dB
  • MW: > 25 dB
• frequency selection: > 100 dB
• in addition to the wave selection: > 55 dB
• mirror frequency attenuation:
  • FM: > 100 dB
  • MW: > 70 dB
• ZF-loss:
  • FM: > 100 dB
  • MW: > 70 dB
• ON-suppression:

• FM: 88 - 108 MHz
• MW: 520 - 1610 kHz

• FM: 1,6 µV
• MW: 15µV

• Mono: < 0,4 %
• Stereo: < 0,6 %

• FM: > 70 dB
• MW: > 50 dB

• FM: > 75 dB
• MW: > 25 dB

• FM: > 100 dB
• MW: > 70 dB

• FM: > 100 dB
• MW: > 70 dB

• the duration of the performance (total harmonic distortion)
  • 8 643961b8da111c0a15d770a1109a86d4: 2 x 90 W
  • 4 643961b8da111c0a15d770a1109a86d4: 2 x 110 W
  • Mono-output: 5 W
• dynamic performance
  • 8 643961b8da111c0a15d770a1109a86d4s: 220 W (IHF)
  • 4 643961b8da111c0a15d770a1109a86d4s: 300 W (IHF)
• total harmonic distortion: 0.1 % Full scale
• damping factor: 50 at 8 643961b8da111c0a15d770a1109a86d4s, 100 at 4 643961b8da111c0a15d770a1109a86d4s
• frequency response: 20 - 40000 Hz ± 1.5 dB
• power bandwidth(IHF): 10 - 30000 Hz
• signal-to-noise ratio:
  • Phono 1/2: 65 dB
  • microphone: 67 dB
  • Aux/Tape Play: 75 dB
• control:
  • Bass: ± 10 dB at 100 Hz
  • treble: ± 10 dB at 10 kHz
• Loudness: 2-stage
  • Mid: + 6 dB / 100 Hz
  • Max: + 10 dB / 100 Hz + 5 dB / 10 kHz
• Low Filter : -7 dB at 100 Hz
• High Filter : -10 dB at 10 kHz
• Presence: 2-stage:
  • + 6 dB at 400 Hz
  • + 6 dB at 1 kHz
• Audio Muting: -20 dB

• 8 643961b8da111c0a15d770a1109a86d4: 2 x 90 W
• 4 643961b8da111c0a15d770a1109a86d4: 2 x 110 W
• Mono output: 5 W

• 8 643961b8da111c0a15d770a1109a86d4s: 220 W (IHF)
• 4 643961b8da111c0a15d770a1109a86d4s: 300 W (IHF)

• Phono 1/2: 65 dB
• microphone: 67 dB
• Aux/Tape Play: 75 dB

• Bass: ± 10 dB at 100 Hz
• treble: ± 10 dB at 10 kHz

• Mid: + 6 dB / 100 Hz
• Max: + 10 dB / 100 Hz, + 5 dB / 10 kHz

• + 6 dB at 400 Hz
• + 6 dB at 1 kHz

• wired remote control RC-70 for Auto-Tuning
• presence switch
• Auftrennbare and the power stage
• MIC / Phono switch
• 2 microphone inputs
  • Kenwood microphone MC-501 optionally available
• FM center display Instrument
• FM Muting
• note: in some countries, the unit was original with metal cover supplied. The walnut wood case was optionally available under the designation SR-77, for example, in the USA for US$ 24.95.

• Kenwood Original Microphone MC-501 optionally available

• Other models of the same series:
  • Kenwood KR-2120
  • Kenwood KR-3130
  • Kenwood KR-4140
  • Kenwood KR-5150
  • Kenwood KR-6160
  • Kenwood KR-7070
  • Kenwood KR-7070 A

• FM multipath output to oscilloscope such as.
  • Kenwood KC-6060 A
    • Kenwood KC-6060 A

• Kenwood KC-6060 A

• Kenwood KC-6060 A

• Kenwood KR-7070

• Kenwood KR-7070 Front Description

• Kenwood KR-7070 Back Description

• External report on website "Mackering": [1]

• External link: Website "Audio Heritage Japan": [2]

Comment:

Comment box:

Kenwood KR-7070 relate

Kenwood KR-7070 A

Kenwood KR-710

Kenwood KR-720

Kenwood KR-7200

Kenwood KR-730

Kenwood KR-7340

Kenwood KR-7400

Kenwood KR-750

Kenwood KR-7600

Kenwood KR-77

Kenwood KR-770

Kenwood KR-80

Kenwood KR-8010

Kenwood KR-8040

Kenwood KR-8050 / 8850

Kenwood KR-810

Kenwood KR-8140

Kenwood KR-820

Kenwood KR-825

Kenwood KR-830