Editing Kenwood KA-907

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__NOTOC__
 
__NOTOC__
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== Data ==
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== Daten ==
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{{navigation}}
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{{Navigation}}
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'''General'''
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'''Allgemein'''
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* Manufacturer: [[Kenwood]]
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* Hersteller: [[Kenwood]]
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* Model: KA-907
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* Modell: KA-907
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* Type: Stereo integrated amplifier
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* Baujahre: 1979 - 1980
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* Years of manufacture: 1979 - 1981
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* Hergestellt in: Japan
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* Made in: Japan
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* Farbe: Silber, Variante KA-9077 in Grau-Metallic
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* Colour: Silver, variants [[Kenwood KA-9077]] in grey metallic, Trio KA-9900 Japan execution
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* Typ: Stereo Vollverstärker
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* Power consumption: 1000 W at full power
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* Leistungsaufnahme: 1000 W bei voller Leistung
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* Dimensions (WxHxD): 460 x 161 x 463 mm
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* Abmessungen (BxHxT): 460 x 161 x 463 mm
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* Weight: 25,8 kg
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* Gewicht: 25,8 kg
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* Original price approx.: 2'798 DM
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* Neupreis ca.: 2498 DM
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* New price D-90 handles: 200 DM
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* Neupreis D-90 Griffe: 200 DM
  
  
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'''Connections'''
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'''Anschlüsse'''
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* Number of inputs:
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* Anzahl der Eingänge:
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** Input sensitivity:  
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** Eingangsempfindlichkeit:  
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** Phono 1 MM: 2.5mV, 33 kOhm, 47 kOhm, 100 kOhm, max 230mV RMS (1Khz, 0.01% THD).
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** Phono 1 MM: 2.5mV, 33 kOhm, 47 kOhm, 100 kOhm, max. 230mV RMS (1Khz, 0,01% THD)
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** Phono 1 MC: 0.1mV, 100 Ohm, max. 9mV RMS (1Khz, 0.01% THD)  
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** Phono 1 MC: 0.1mV, 100 Ohm, max. 9mV RMS (1Khz, 0,01% THD)  
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** Phono 2 MM: 2.5mV, 47 kOhm, 47 kOhm, 100 kOhm, max. 230mV RMS (1Khz, 0.01% THD)
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** 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  
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* Number of Outputs:
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* Anzahl der Ausgänge:
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** Outputs:
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** Ausgänge:
 
** Tape Rec: 150mV, 180 Ohm  
 
** Tape Rec: 150mV, 180 Ohm  
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DIN: 30mV / 80 Ohm
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** DIN: 30mV / 80 Ohm
 
** Pre Out: 9V max. / 750 Ohm  
 
** Pre Out: 9V max. / 750 Ohm  
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** Headphones
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** Kopfhörer
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** 2 pairs of speakers
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** 3 Lautsprecherpaare
  
  
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'''Technical Data'''
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'''Technische Daten'''
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* Continuous power (at THD)
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* Dauerleistung (bei Klirrfaktor)
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** 8 Ohm: 2x 150W (RMS, 20 Hz - 20 kHz, 0.01% THD), 2x 150W (1Khz)  
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** 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)  
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* Dynamic power
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* Dynamikleistung
 
** 8 Ohm:   
 
** 8 Ohm:   
 
** 4 Ohm:  
 
** 4 Ohm:  
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* Total harmonic distortion:  
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* Gesamtklirrfaktor:  
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** Phono: 0.01% (rated power, volume at -20dB).
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** Phono: 0,01% (Nennleistung, Volume bei -20dB)  
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** Phono IMD: 0.0045% (nominal power, 8 Ohm)  
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** Phono IMD: 0,0045% (Nennleistung, 8 Ohm)  
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High Level: 0.01% (nominal power, 20Hz - 20kHz, 8 Ohm)  
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** High Level: 0,01% (Nennleistung, 20Hz - 20kHz, 8 Ohm)  
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** High Level: 0.006% (1/2 nominal power, 20Hz - 20Khz, 8 Ohm)  
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** High Level: 0,006 % (1/2 Nennleistung, 20Hz - 20Khz, 8 Ohm)  
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* Attenuation Factor: 100 (DC - 20Khz, 8 Ohm)
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* Dämpfungsfaktor: 100 (DC - 20Khz, 8 Ohm)
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* Frequency Response:  
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* Frequenzgang:  
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** DC - 400 kHz (+0 / -3dB, DC ON).
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** DC - 400 kHz (+0 / -3dB, DC ON)  
 
** 1Hz - 400kHz (+0 / -3dB, DC OFF)  
 
** 1Hz - 400kHz (+0 / -3dB, DC OFF)  
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** 20Hz - 20kHz (RIAA, ±0.2dB)  
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** 20Hz - 20kHz (RIAA, ±0,2dB)  
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* Power bandwidth: 5Hz - 100Khz (0.03% THD), -70dB (DIN 45500)  
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* Leistungsbandbreite: 5Hz - 100Khz (0,03% THD), -70dB (DIN 45500)  
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* Signal-to-noise ratio:
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* Signalrauschabstand:
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** Phono 1, 2 MM: 90dB at 2.5mV
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** Phono 1, 2 MM: 90dB bei 2,5mV
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** Phono 1, 2 MM: 96dB at 5,0mV
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** Phono 1, 2 MM: 96dB bei 5,0mV
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** Phono 1, 2 MM: 102dB at 10mV
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** Phono 1, 2 MM: 102dB bei 10mV
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** Phono 2 MC: 70dB at 0,1mV
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** Phono 2 MC: 70dB bei 0,1mV
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** Phono 2 MC: 76dB at 0.2mV
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** Phono 2 MC: 76dB bei 0,2mV
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** Phono 2 MC: 105dB at 150mV  
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** Phono 2 MC: 105dB bei 150mV  
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** Tuner, AUX, Tape, A, B: 105dB for 150mV input
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** Tuner, AUX, Tape, A, B: 105dB für 150mV Eingang
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* Rise Time: 0.5 to 0.8 µS  
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* Rise Time: 0,5 bis 0,8 µS    
 
* Slew Rate: ± 230V/µS
 
* Slew Rate: ± 230V/µS
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* Tone Control
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* Klangregelung
 
** Bass:  
 
** Bass:  
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*** 150Hz : ± 7.5dB at 75Hz, ±10dB at 25Hz.
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*** 150Hz : ± 7,5dB bei 75Hz, ±10dB bei 25Hz  
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*** 400Hz : ± 7.5dB at 155Hz, ±10dB at 50Hz.
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*** 400Hz : ± 7,5dB bei 155Hz, ±10dB bei 50Hz
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Treble:
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** Höhen:
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*** 3Khz : ± 7.5dB at 10kHz, ±10dB at 20kHz  
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*** 3Khz : ± 7,5dB bei 10kHz, ±10dB bei 20kHz  
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*** 6Khz : ± 7.5dB at 20kHz, ±10dB at 40kHz
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*** 6Khz : ± 7,5dB bei 20kHz, ±10dB bei 40kHz
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Loudness : +3 / +6 / +9dB at 30Hz or 100Hz  
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* Loudness : +3 / +6 / +9dB bei 30Hz oder 100Hz  
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* High Filter : 12dB / octave above 8Khz  
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* High Filter : 12dB / Oktave über 8Khz  
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* Subsonic Filter : 6dB / octave below 18Hz  
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* Subsonic Filter : 6dB / Oktave unter 18Hz  
  
  
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'''Special Features'''
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'''Besondere Ausstattungen'''
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* Pre- / power stage separable
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* Vor-/Endstufe auftrennbar
  
  
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== Remarks ==
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== Bemerkungen ==
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* Other models in the same series:
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* Weitere Modelle der gleichen Serie:
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** [[Kenwood KA-305]]
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** [[Kenwood KA-305|KA-305]]
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** [[Kenwood KA-501]]
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** [[Kenwood KA-501|KA-501]]
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** [[Kenwood KA-601]]
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** [[Kenwood KA-601|KA-601]]
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** [[Kenwood KA-701]]
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** [[Kenwood KA-701|KA-701]]
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** [[Kenwood KA-801]]
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** [[Kenwood KA-801|KA-801]]
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** [[Kenwood KA-907]]
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** [[Kenwood KA-907|KA-907]]
  
  
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* [[Corresponding Tuner]]
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* Korrespondierender Tuner:
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** [[Kenwood KT-917]]
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** [[Kenwood KT-917|KT-917]]
  
  
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== Pictures ==
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== Bilder ==
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* Extract from brochure: Kenwood KA-907
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* Auszug aus Prospekt: Kenwood KA-907
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[[File:Kenwood KA-907-Prospekt-1.jpg]]
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[[Datei:Kenwood KA-907-Prospekt-1.jpg]]
  
  
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== Reviews ==
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== Berichte ==
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* Audio Test attested real 202+202 watts at 8ohms and 308+308 watts at 4 ohms.
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* Audio Test attestierte echte 202+202 Watt an 8Ohm und 308+308 Watt an 4 Ohm
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* Bericht von "Hifi Studio": [http://www.hifi-studio.de/hifi-klassiker/kenwood/KA-907_KT-917/KA-907_KT-917.htm]
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* Review by "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]
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* Bericht von "Mackern": [http://www.mackern.de/index.php/2008/12/19/kenwood-ka-907/]
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* Bericht von "Good Old Hifi": [http://www.good-old-hifi.de/kenwood_ka-907/]
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* Report from "Mackers": [http://www.mackern.de/index.php/2008/12/19/kenwood-ka-907/]
 
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* Report from "Good Old Hifi": [http://www.good-old-hifi.de/kenwood_ka-907/]
 
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* Fascination Kenwood KA-907!
 
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* An amp. with unadulterated sound, absolute noise-free, stereo channel separation, the minimum distortion up to the highest volumes, no matter what speakers. The 907 shows how good speakers are. If the sound is bad, it is because of the speakers! An amp should reproduce signals without distortion, preferably with a lot of power, and the 907 does that brilliantly! The quality is unique! Especially for phono lovers! Developed by Trio-Kenwood!
 
  
  
 
== Links ==
 
== Links ==
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* External link to website "Hifi Archive": [http://www.hifi-archiv.info/Kenwood/1980-1/07.jpg]
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* Externer Link auf Webseite "Wegavision Pytalhost": [http://www.hifi-studio.de/hifi-klassiker/kenwood/KA-907_KT-917/KA-907_KT-917.htm]
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* External link on website "The Vintage Knob": [http://www.thevintageknob.org/kenwood-KA-907.html]
 
  
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* Externer Link auf Webseite "The Vintage Knob": [http://www.thevintageknob.org/kenwood-KA-907.html]
  
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[[Category:Integrated Amplifier]]
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[[Kategorie:Vollverstärker]]

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