Difference between revisions of "Kenwood KR-77"
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− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Kenwood]] |
− | * | + | * Model: KR-77 |
− | * | + | * Year of manufacture: 1969 - 1971 |
− | * | + | * Made in: Japan |
− | * | + | * Color: Silver, black, wood foil |
− | * | + | * Remote control: No |
− | * | + | * Power consumption: 113 W at full output / 20 W without signal |
− | * | + | * Dimensions: 425 x 122 x 315 mm |
− | * | + | * Weight: 10.4 kg |
− | * | + | * Original price approx.: 1'200 DM |
− | ''' | + | '''Connections''' |
− | * | + | * Number of inputs: |
** Phono 1,2: 2 mV / 50 kOhm | ** Phono 1,2: 2 mV / 50 kOhm | ||
− | + | Aux: 200 mV / 50 kOhm | |
** Tape Play: | ** Tape Play: | ||
*** Cinch: 200 mV / 50 kOhm | *** Cinch: 200 mV / 50 kOhm | ||
*** DIN: 200 mV | *** DIN: 200 mV | ||
** Main In: 100 mV | ** Main In: 100 mV | ||
− | ** | + | ** Antenna: FM (75 Ohm Unbalanced / 300 Ohm Balanced), AM |
− | * | + | * Number of Outputs: |
** Tape Rec: | ** Tape Rec: | ||
*** Cinch: 200 mV / 50 kOhm | *** Cinch: 200 mV / 50 kOhm | ||
*** DIN: 35 mV | *** DIN: 35 mV | ||
*** Dubbing: 200 mV | *** Dubbing: 200 mV | ||
− | ** | + | ** Headphones |
− | ** 2 | + | ** 2 pairs of loudspeakers |
− | ''' | + | '''Technical Data Tuner Part''' |
− | * | + | * Reception: FM, MW |
− | * | + | * Frequencies: |
− | ** | + | ** FM: 88 - 108 MHz |
− | + | MW: 535 - 1605 kHz | |
− | * | + | * Frequency response: |
− | * | + | * Input sensitivity: |
− | ** | + | ** FM: 1.9µV |
** MW: 15µV | ** MW: 15µV | ||
− | * | + | * Distortion factor: < 0,8 % |
− | * Signalrauschabstand: > 60 dB | + | * Signalrauschabstand: >60 dB |
− | * | + | * Common mode selection: 2.5 dB |
− | * | + | * Channel separation (1 kHz): > 35 dB |
− | * | + | * selectivity: |
− | ** | + | ** FM: > 40 dB |
− | + | MW: > 25 dB | |
− | * | + | * Co-wave selection: |
− | ** | + | ** FM: > 70 dB |
− | + | MW: > 25 dB | |
− | * | + | * Spurious wave selection: > 45 dB |
− | * | + | * Mirror frequency attenuation: |
− | ** | + | ** FM: > 70 dB |
− | ** MW: | + | ** MW: > 90 dB |
− | * | + | * IF attenuation: > 80 dB |
− | * AM | + | * AM suppression: |
− | ''' | + | '''Technical Data Amplifier Part''' |
− | * | + | * Continuous power (at distortion factor) |
** 8 Ohm: 2 x 24 W | ** 8 Ohm: 2 x 24 W | ||
** 4 Ohm: 2 x 33 W | ** 4 Ohm: 2 x 33 W | ||
− | * | + | * Dynamic power |
** 8 Ohm: 56 W (IHF) | ** 8 Ohm: 56 W (IHF) | ||
** 4 Ohm: 75 W (IHF) | ** 4 Ohm: 75 W (IHF) | ||
− | * | + | * Total harmonic distortion: < 0.5 % at rated power |
− | * | + | * Attenuation factor: 23 at 8 Ohm |
− | * | + | * Frequency response: 20 - 30000 Hz ± 1.5 dB |
− | * | + | * Power bandwidth (IHF): 20 - 30000 Hz |
− | * | + | * Signal-to-noise ratio: |
** Phono: 60 dB | ** Phono: 60 dB | ||
− | + | AUX: 70 dB | |
** Tape: 70 dB | ** Tape: 70 dB | ||
− | * | + | * Tone control: |
− | ** Bass: ± 10 dB | + | ** Bass: ± 10 dB at 100 Hz |
− | + | Treble: ± 10 dB at 10 kHz | |
* Loudness: + 8 dB / 100 Hz, + 3 dB / 10 kHz | * Loudness: + 8 dB / 100 Hz, + 3 dB / 10 kHz | ||
− | * Low Filter: 200 Hz | + | * Low Filter: 200 Hz cutoff |
* High Filter: 3000 Hz Cutoff | * High Filter: 3000 Hz Cutoff | ||
− | ''' | + | '''Special Features''' |
− | * Mono / Stereo | + | * Mono / Stereo switch |
− | * Dubbing | + | * Dubbing output front, 6.3 mm jack plug |
− | * | + | * Pre- and power amplifier separable |
− | * Center | + | * Center channel output |
− | == | + | == Notes == |
− | * | + | * Other models in the same series: |
** Kenwood KR-33 L | ** Kenwood KR-33 L | ||
*** [[Kenwood KR-33 L|KR-33 L]] | *** [[Kenwood KR-33 L|KR-33 L]] | ||
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− | == | + | == Pictures == |
− | * | + | * Extract from brochure: Kenwood KR-77 |
− | [[ | + | [[File:KR-77-4.jpg]] |
− | == | + | == Reports == |
== Links == | == Links == | ||
− | * | + | * External website "Vintage Electronics": [[http://vintageelectronics.betamaxcollectors.com/kenwoodstereoreceivermodelkr-77.html]] |
− | [[ | + | [[Category:Receiver]]</0,8> |
Latest revision as of 06:03, 28 March 2019
Data[edit]
General
- Manufacturer: Kenwood
- Model: KR-77
- Year of manufacture: 1969 - 1971
- Made in: Japan
- Color: Silver, black, wood foil
- Remote control: No
- Power consumption: 113 W at full output / 20 W without signal
- Dimensions: 425 x 122 x 315 mm
- Weight: 10.4 kg
- Original price approx.: 1'200 DM
Connections
- Number of inputs:
- Phono 1,2: 2 mV / 50 kOhm
Aux: 200 mV / 50 kOhm
- Tape Play:
- Cinch: 200 mV / 50 kOhm
- DIN: 200 mV
- Main In: 100 mV
- Antenna: FM (75 Ohm Unbalanced / 300 Ohm Balanced), AM
- Tape Play:
- Number of Outputs:
- Tape Rec:
- Cinch: 200 mV / 50 kOhm
- DIN: 35 mV
- Dubbing: 200 mV
- Headphones
- 2 pairs of loudspeakers
- Tape Rec:
Technical Data Tuner Part
- Reception: FM, MW
- Frequencies:
- FM: 88 - 108 MHz
MW: 535 - 1605 kHz
- Frequency response:
- Input sensitivity:
- FM: 1.9µV
- MW: 15µV
- Distortion factor: < 0,8 %
- Signalrauschabstand: >60 dB
- Common mode selection: 2.5 dB
- Channel separation (1 kHz): > 35 dB
- selectivity:
- FM: > 40 dB
MW: > 25 dB
- Co-wave selection:
- FM: > 70 dB
MW: > 25 dB
- Spurious wave selection: > 45 dB
- Mirror frequency attenuation:
- FM: > 70 dB
- MW: > 90 dB
- IF attenuation: > 80 dB
- AM suppression:
Technical Data Amplifier Part
- Continuous power (at distortion factor)
- 8 Ohm: 2 x 24 W
- 4 Ohm: 2 x 33 W
- Dynamic power
- 8 Ohm: 56 W (IHF)
- 4 Ohm: 75 W (IHF)
- Total harmonic distortion: < 0.5 % at rated power
- Attenuation factor: 23 at 8 Ohm
- Frequency response: 20 - 30000 Hz ± 1.5 dB
- Power bandwidth (IHF): 20 - 30000 Hz
- Signal-to-noise ratio:
- Phono: 60 dB
AUX: 70 dB
- Tape: 70 dB
- Tone control:
- Bass: ± 10 dB at 100 Hz
Treble: ± 10 dB at 10 kHz
- Loudness: + 8 dB / 100 Hz, + 3 dB / 10 kHz
- Low Filter: 200 Hz cutoff
- High Filter: 3000 Hz Cutoff
Special Features
- Mono / Stereo switch
- Dubbing output front, 6.3 mm jack plug
- Pre- and power amplifier separable
- Center channel output
Notes[edit]
- Other models in the same series:
Pictures[edit]
- Extract from brochure: Kenwood KR-77
Reports[edit]
Links[edit]
- External website "Vintage Electronics": [[1]]</0,8>