Difference between revisions of "Kenwood KA-9077"
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− | == | + | == Data == |
− | {{ | + | {{navigation}} |
− | ''' | + | '''General''' |
− | * | + | * Manufacturer: [[Kenwood]] |
− | * | + | * Model: KA-9077 |
− | * | + | * Type: Stereo integrated amplifier |
− | * | + | * Years of manufacture: 1979 - 1981 |
− | * | + | * Made in: Japan |
− | * | + | * Color: Gray metallic, variants [[Kenwood KA-907]] in silver, Trio KA-9900 Japan execution |
− | * | + | * Power consumption: 1000 W at full power |
− | * | + | * Dimensions (WxHxD): 460 x 161 x 463 mm |
− | * | + | * Weight: 25.8 kg |
− | * | + | * Original price approx.: 2'798 DM |
− | * | + | * New price D-90 handles: 200 DM |
− | ''' | + | '''Connections''' |
− | * | + | * Number of inputs: |
− | ** | + | ** Input sensitivity: |
− | ** Phono 1 MM: 2.5mV, 33 kOhm, 47 kOhm, 100 kOhm, max | + | ** Phono 1 MM: 2.5mV, 33 kOhm, 47 kOhm, 100 kOhm, max 230mV RMS (1Khz, 0.01% THD). |
− | ** Phono 1 MC: 0.1mV, 100 Ohm, max. 9mV RMS (1Khz, 0 | + | ** Phono 1 MC: 0.1mV, 100 Ohm, max. 9mV RMS (1Khz, 0.01% THD) |
− | ** Phono 2 MM: 2.5mV, 47 kOhm, 47 kOhm, 100 kOhm, max. 230mV RMS (1Khz, 0 | + | ** Phono 2 MM: 2.5mV, 47 kOhm, 47 kOhm, 100 kOhm, max. 230mV RMS (1Khz, 0.01% THD) |
** Tuner: 150mV, 50 kOhm | ** Tuner: 150mV, 50 kOhm | ||
** AUX 1,2: 150mV, 50 kOhm | ** AUX 1,2: 150mV, 50 kOhm | ||
** Tape Play A, B: 150mV, 50 kOhm | ** Tape Play A, B: 150mV, 50 kOhm | ||
** Main In: 1V / 50kOhm | ** Main In: 1V / 50kOhm | ||
− | * | + | * Number of Outputs: |
− | ** | + | ** Outputs: |
** Tape Rec: 150mV, 180 Ohm | ** Tape Rec: 150mV, 180 Ohm | ||
− | + | DIN: 30mV / 80 Ohm | |
** Pre Out: 9V max. / 750 Ohm | ** Pre Out: 9V max. / 750 Ohm | ||
− | ** | + | ** Headphones |
− | ** 2 | + | ** 2 pairs of speakers |
− | ''' | + | '''Technical Data''' |
− | * | + | * Continuous power (at THD) |
− | ** 8 Ohm: 2x 150W (RMS, 20 Hz - 20 kHz, 0 | + | ** 8 Ohm: 2x 150W (RMS, 20 Hz - 20 kHz, 0.01% THD), 2x 150W (1Khz) |
** 4 Ohm: 2x 180W (1Khz) | ** 4 Ohm: 2x 180W (1Khz) | ||
− | * | + | * Dynamic power |
** 8 Ohm: | ** 8 Ohm: | ||
** 4 Ohm: | ** 4 Ohm: | ||
− | * | + | * Total harmonic distortion: |
− | ** Phono: 0 | + | ** Phono: 0.01% (rated power, volume at -20dB). |
− | ** Phono IMD: 0 | + | ** Phono IMD: 0.0045% (nominal power, 8 Ohm) |
− | + | High Level: 0.01% (nominal power, 20Hz - 20kHz, 8 Ohm) | |
− | ** High Level: 0 | + | ** High Level: 0.006% (1/2 nominal power, 20Hz - 20Khz, 8 Ohm) |
− | * | + | * Attenuation Factor: 100 (DC - 20Khz, 8 Ohm) |
− | * | + | * Frequency Response: |
− | ** DC - 400 kHz (+0 / -3dB, DC ON) | + | ** DC - 400 kHz (+0 / -3dB, DC ON). |
** 1Hz - 400kHz (+0 / -3dB, DC OFF) | ** 1Hz - 400kHz (+0 / -3dB, DC OFF) | ||
− | ** 20Hz - 20kHz (RIAA, ±0 | + | ** 20Hz - 20kHz (RIAA, ±0.2dB) |
− | * | + | * Power bandwidth: 5Hz - 100Khz (0.03% THD), -70dB (DIN 45500) |
− | * | + | * Signal-to-noise ratio: |
− | ** Phono 1, 2 MM: 90dB | + | ** Phono 1, 2 MM: 90dB at 2.5mV |
− | ** Phono 1, 2 MM: 96dB | + | ** Phono 1, 2 MM: 96dB at 5,0mV |
− | ** Phono 1, 2 MM: 102dB | + | ** Phono 1, 2 MM: 102dB at 10mV |
− | ** Phono 2 MC: 70dB | + | ** Phono 2 MC: 70dB at 0,1mV |
− | ** Phono 2 MC: 76dB | + | ** Phono 2 MC: 76dB at 0.2mV |
− | ** Phono 2 MC: 105dB | + | ** Phono 2 MC: 105dB at 150mV |
− | ** Tuner, AUX, Tape, A, B: 105dB | + | ** Tuner, AUX, Tape, A, B: 105dB for 150mV input |
− | * Rise Time: 0 | + | * Rise Time: 0.5 to 0.8 µS |
* Slew Rate: ± 230V/µS | * Slew Rate: ± 230V/µS | ||
− | * | + | * Tone Control |
** Bass: | ** Bass: | ||
− | *** 150Hz : ± 7 | + | *** 150Hz : ± 7.5dB at 75Hz, ±10dB at 25Hz. |
− | *** 400Hz : ± 7 | + | *** 400Hz : ± 7.5dB at 155Hz, ±10dB at 50Hz. |
− | + | Treble: | |
− | *** 3Khz : ± 7 | + | *** 3Khz : ± 7.5dB at 10kHz, ±10dB at 20kHz |
− | *** 6Khz : ± 7 | + | *** 6Khz : ± 7.5dB at 20kHz, ±10dB at 40kHz |
− | + | Loudness : +3 / +6 / +9dB at 30Hz or 100Hz | |
− | * High Filter : 12dB / | + | * High Filter : 12dB / octave above 8Khz |
− | * Subsonic Filter : 6dB / | + | * Subsonic Filter : 6dB / octave below 18Hz |
− | ''' | + | '''Special Features''' |
− | * | + | * Pre- / power stage separable |
− | == | + | == Remarks == |
− | * | + | * Other models in the same series: |
− | * | + | * Amplifier: |
− | |||
* [[Kenwood KA-5011]] | * [[Kenwood KA-5011]] | ||
* [[Kenwood KA-6011]] | * [[Kenwood KA-6011]] | ||
* [[Kenwood KA-7011]] | * [[Kenwood KA-7011]] | ||
* [[Kenwood KA-8011]] | * [[Kenwood KA-8011]] | ||
− | * [[Kenwood KA- | + | * [[Kenwood KA-9077]] |
− | * Tuner | + | * [[Tuner]] |
+ | * [[Kenwood KT-6155]] | ||
+ | * [[Kenwood KT-8155]] | ||
* [[Kenwood KT-9177]] | * [[Kenwood KT-9177]] | ||
− | == | + | == Pictures == |
− | * | + | * Picture: Kenwood KA-9077, KT-9077 |
− | [[ | + | [[File:Kenwood KA-9077-KT-9177-1979.jpg]] |
− | == | + | == Reviews == |
− | * Audio Test | + | * Audio Test attested true 202+202 watts into 8 ohms and 308+308 watts into 4 ohms. |
− | * | + | * Review from "Hifi Studio": [https://web.archive.org/web/20170604110040/http://www.hifi-studio.de/hifi-klassiker/kenwood/KA-907_KT-917/KA-907_KT-917.htm] |
− | * | + | * Report from "Mackers": [http://www.mackern.de/index.php/2008/12/19/kenwood-ka-907/] |
− | * | + | * Report from "Good Old Hifi": [http://www.good-old-hifi.de/kenwood_ka-907/] |
== Links == | == Links == | ||
− | * | + | * External link to website "Hifi Archive": [http://www.hifi-archiv.info/Kenwood/1980-1/07.jpg] |
− | * | + | * External link on website "The Vintage Knob": [http://www.thevintageknob.org/kenwood-KA-907.html] |
− | [[ | + | [[Category:Integrated Amplifier]] |
Latest revision as of 02:18, 1 January 2021
Data[edit]
General
- Manufacturer: Kenwood
- Model: KA-9077
- Type: Stereo integrated amplifier
- Years of manufacture: 1979 - 1981
- Made in: Japan
- Color: Gray metallic, variants Kenwood KA-907 in silver, Trio KA-9900 Japan execution
- Power consumption: 1000 W at full power
- Dimensions (WxHxD): 460 x 161 x 463 mm
- Weight: 25.8 kg
- Original price approx.: 2'798 DM
- New price D-90 handles: 200 DM
Connections
- Number of inputs:
- Input sensitivity:
- Phono 1 MM: 2.5mV, 33 kOhm, 47 kOhm, 100 kOhm, max 230mV RMS (1Khz, 0.01% THD).
- Phono 1 MC: 0.1mV, 100 Ohm, max. 9mV RMS (1Khz, 0.01% THD)
- Phono 2 MM: 2.5mV, 47 kOhm, 47 kOhm, 100 kOhm, max. 230mV RMS (1Khz, 0.01% THD)
- Tuner: 150mV, 50 kOhm
- AUX 1,2: 150mV, 50 kOhm
- Tape Play A, B: 150mV, 50 kOhm
- Main In: 1V / 50kOhm
- Number of Outputs:
- Outputs:
- Tape Rec: 150mV, 180 Ohm
DIN: 30mV / 80 Ohm
- Pre Out: 9V max. / 750 Ohm
- Headphones
- 2 pairs of speakers
Technical Data
- Continuous power (at THD)
- 8 Ohm: 2x 150W (RMS, 20 Hz - 20 kHz, 0.01% THD), 2x 150W (1Khz)
- 4 Ohm: 2x 180W (1Khz)
- Dynamic power
- 8 Ohm:
- 4 Ohm:
- Total harmonic distortion:
- Phono: 0.01% (rated power, volume at -20dB).
- Phono IMD: 0.0045% (nominal power, 8 Ohm)
High Level: 0.01% (nominal power, 20Hz - 20kHz, 8 Ohm)
- High Level: 0.006% (1/2 nominal power, 20Hz - 20Khz, 8 Ohm)
- Attenuation Factor: 100 (DC - 20Khz, 8 Ohm)
- Frequency Response:
- DC - 400 kHz (+0 / -3dB, DC ON).
- 1Hz - 400kHz (+0 / -3dB, DC OFF)
- 20Hz - 20kHz (RIAA, ±0.2dB)
- Power bandwidth: 5Hz - 100Khz (0.03% THD), -70dB (DIN 45500)
- Signal-to-noise ratio:
- Phono 1, 2 MM: 90dB at 2.5mV
- Phono 1, 2 MM: 96dB at 5,0mV
- Phono 1, 2 MM: 102dB at 10mV
- Phono 2 MC: 70dB at 0,1mV
- Phono 2 MC: 76dB at 0.2mV
- Phono 2 MC: 105dB at 150mV
- Tuner, AUX, Tape, A, B: 105dB for 150mV input
- Rise Time: 0.5 to 0.8 µS
- Slew Rate: ± 230V/µS
- Tone Control
- Bass:
- 150Hz : ± 7.5dB at 75Hz, ±10dB at 25Hz.
- 400Hz : ± 7.5dB at 155Hz, ±10dB at 50Hz.
- Bass:
Treble:
- 3Khz : ± 7.5dB at 10kHz, ±10dB at 20kHz
- 6Khz : ± 7.5dB at 20kHz, ±10dB at 40kHz
Loudness : +3 / +6 / +9dB at 30Hz or 100Hz
- High Filter : 12dB / octave above 8Khz
- Subsonic Filter : 6dB / octave below 18Hz
Special Features
- Pre- / power stage separable
Remarks[edit]
- Other models in the same series:
- Amplifier:
- Kenwood KA-5011
- Kenwood KA-6011
- Kenwood KA-7011
- Kenwood KA-8011
- Kenwood KA-9077
Pictures[edit]
- Picture: Kenwood KA-9077, KT-9077
Reviews[edit]
- Audio Test attested true 202+202 watts into 8 ohms and 308+308 watts into 4 ohms.
- Review from "Hifi Studio": [1]
- Report from "Mackers": [2]
- Report from "Good Old Hifi": [3]
Links[edit]
- External link to website "Hifi Archive": [4]
- External link on website "The Vintage Knob": [5]