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: 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/Grau
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* Colour: Silver, variants [[Kenwood KA-9077]] in grey metallic, Trio KA-9900 Japan execution
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* Typ: (Analog)
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* Power consumption: 1000 W at full power
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* Fernbedienung: Nein
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* Dimensions (WxHxD): 460 x 161 x 463 mm
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* Leistungsaufnahme: max. '''710 Watt'''
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* Weight: 25,8 kg
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* Abmessungen: 440 x 153 x 407
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* Original price approx.: 2'798 DM
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* Gewicht: 17,5kg
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* New price D-90 handles: 200 DM
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* Neupreis ca.: DM 2000
  
  
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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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** Tuner, Aux, Phono, Tape A/B  
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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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* Anzahl der Ausgänge:
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** Phono 1 MC: 0.1mV, 100 Ohm, max. 9mV RMS (1Khz, 0.01% THD)
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** Tape Rec Out A/B
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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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** Kopfhörer
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** Tuner: 150mV, 50 kOhm
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** Lautsprecher A/B
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** AUX 1,2: 150mV, 50 kOhm
 
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** Tape Play A, B: 150mV, 50 kOhm
 
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** Main In: 1V / 50kOhm
 
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* Number of Outputs:
 
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** Outputs:
 
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** Tape Rec: 150mV, 180 Ohm
 
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DIN: 30mV / 80 Ohm
 
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** Pre Out: 9V max. / 750 Ohm
 
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** Headphones
 
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** 2 pairs of speakers
 
  
 +
'''Technische Daten'''
 +
* Dauerleistung (bei Klirrfaktor)
 +
** 8 Ohm: 2x  110Watt
 +
** 4 Ohm:
 +
* Dynamikleistung
 +
** 8 Ohm:  2 x 160Watt
 +
** 4 Ohm:
 +
* Gesamtklirrfaktor:  0,015
 +
* Dämpfungsfaktor: (DC - 20khz, 8 Ohm) 100Hz
 +
* Frequenzgang:  DC - 400 kHz  0, -3dB
 +
* Leistungsbandbreite:  5 Hz - 70kHz, 0,03%
 +
* Signalrauschabstand: Phono1 90dB(60dB); Tuner AUX Tape 105dB(60dB) 
 +
* Stereokanaltrennung:
 +
* Klangregelung:
 +
** Bass: ±10dB
 +
** Höhen: ±10dB
 +
* Loudness: 9dB/100Hz
 +
* High Filter:
 +
* Low Filter (Subsonic):
 +
* Mute:
 +
* Direct/Line-Straight:
 +
 +
'''Besondere Ausstattungen'''
 +
* VU-Meter(Leistungsanzeige)
 +
 +
 +
== Bemerkungen ==
 +
Weitere Modelle der gleichen Serie:
 +
* [[Kenwood KA-305|KA-305]]
 +
* [[Kenwood KA-501|KA-501]]
 +
* [[Kenwood KA-601|KA-601]]
 +
* [[Kenwood KA-701|KA-701]]
 +
* [[Kenwood KA-801|KA-801]]
 +
* [[Kenwood KA-907|KA-907]]
  
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'''Technical Data'''
 
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* Continuous power (at THD)
 
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** 8 Ohm: 2x 150W (RMS, 20 Hz - 20 kHz, 0.01% THD), 2x 150W (1Khz)
 
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** 4 Ohm: 2x 180W (1Khz)
 
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* Dynamic power
 
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** 8 Ohm: 
 
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** 4 Ohm:
 
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* Total harmonic distortion:
 
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** Phono: 0.01% (rated power, volume at -20dB).
 
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** Phono IMD: 0.0045% (nominal power, 8 Ohm)
 
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High Level: 0.01% (nominal power, 20Hz - 20kHz, 8 Ohm)
 
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** High Level: 0.006% (1/2 nominal power, 20Hz - 20Khz, 8 Ohm)
 
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* Attenuation Factor: 100 (DC - 20Khz, 8 Ohm)
 
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* Frequency Response:
 
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** DC - 400 kHz (+0 / -3dB, DC ON).
 
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** 1Hz - 400kHz (+0 / -3dB, DC OFF)
 
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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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* Signal-to-noise ratio:
 
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** Phono 1, 2 MM: 90dB at 2.5mV
 
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** Phono 1, 2 MM: 96dB at 5,0mV
 
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** Phono 1, 2 MM: 102dB at 10mV
 
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** Phono 2 MC: 70dB at 0,1mV
 
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** Phono 2 MC: 76dB at 0.2mV
 
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** Phono 2 MC: 105dB at 150mV
 
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** Tuner, AUX, Tape, A, B: 105dB for 150mV input
 
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* Rise Time: 0.5 to 0.8 µS 
 
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* Slew Rate: ± 230V/µS
 
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* Tone Control
 
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** Bass:
 
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*** 150Hz : ± 7.5dB at 75Hz, ±10dB at 25Hz.
 
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*** 400Hz : ± 7.5dB at 155Hz, ±10dB at 50Hz.
 
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Treble:
 
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*** 3Khz : ± 7.5dB at 10kHz, ±10dB at 20kHz
 
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*** 6Khz : ± 7.5dB at 20kHz, ±10dB at 40kHz
 
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Loudness : +3 / +6 / +9dB at 30Hz or 100Hz
 
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* High Filter : 12dB / octave above 8Khz
 
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* Subsonic Filter : 6dB / octave below 18Hz
 
  
 +
== Bilder ==
  
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'''Special Features'''
 
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* Pre- / power stage separable
 
  
 +
== Berichte ==
  
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== Remarks ==
 
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* Other models in the same series:
 
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** [[Kenwood KA-305]]
 
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** [[Kenwood KA-501]]
 
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** [[Kenwood KA-601]]
 
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** [[Kenwood KA-701]]
 
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** [[Kenwood KA-801]]
 
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** [[Kenwood KA-907]]
 
  
 +
== Links ==
  
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* [[Corresponding Tuner]]
 
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** [[Kenwood KT-917]]
 
  
 +
[[Kategorie:Vollverstärker]]
 +
'''KENWOOD HIGH SPEED DC INTEGRATED AMPLIFIER'''
  
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== Pictures ==
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'''Leistung: 150+150 WPC minimum RMS beide Kanäle betrieben, an 8 Ohm zwischen 20Hz bis 20000Hz mit weniger als 0,01% total  harmonischer Verzerrungen           
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* Extract from brochure: Kenwood KA-907
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−
[[File:Kenwood KA-907-Prospekt-1.jpg]]
 
  
 +
Beide Kanäle betrieben:
 +
                              150+150 Watt an 8Ohm bei 1000Hz
 +
                              180+180 Watt an 4Ohm bei 1000Hz
 +
von Audio Test
 +
atesttierte tatsächliche
 +
Dauerleistung:             
 +
                            202+202 Watt an 8Ohm
 +
                            308+308 Watt an 4 Ohm
  
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== Reviews ==
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Total harmonische Verzerrung
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* Audio Test attested real 202+202 watts at 8ohms and 308+308 watts at 4 ohms.
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(20Hz bis 20000Hz)             
 +
           
 +
AUX Eingang bis SPEAKER Ausgang:       
 +
                                        0,01% bei Vollaussteuerung an 8Ohm
 +
                                        0,006% bei halber Aussteuerung an 8Ohm
 +
Phono Eingang bis SPEAKER Ausgang:     
 +
                                        0,01% bei Vollaussteuerung mit VOLUME bei -20dB
 +
                                       
 +
Intermodulations Verzerrung     
 +
(60Hz: 7kHz=4:1)                       
 +
                                        0,0045% bei Vollaussteuerung an 8Ohm
  
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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]
+
Dämpfungsfaktor:                      
 +
                                        100. DC~20000Hz bei 8Ohm
 +
 +
Rise Time:                            
 +
                                        0,5 bis 0,8 µS   
 +
Slew Rate:                             
 +
                                        +-230V/µS
 +
Leistungsbandbreite:                  
 +
                                        5Hz bis100kHz bei 0,003% T.H.D.
  
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* Report from "Mackers": [http://www.mackern.de/index.php/2008/12/19/kenwood-ka-907/]
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Frequenzgang:    
 +
DC COUPLED an:                        
 +
                                        DC bis 100kHz bei 0,003 T.H.D.
 +
DC COUPLED aus:                       
 +
                                        1Hz bis 400kHz +0dB, -3dB
 +
Speakerimpedanz:                       
 +
                                        4-16 Ohm
  
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* Report from "Good Old Hifi": [http://www.good-old-hifi.de/kenwood_ka-907/]
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Eingansempfindlichkeit/Impedanz:
 +
Power IN:                         
 +
                                    1V/50kOhm
 +
Phono1 (MM):                      
 +
                                    2,5mV/33kOhm, 47kOhm und 100 kOhm
 +
Phono2 (MM):                       
 +
                                    2,5mV/47kOhm
 +
Phono1 (MC):                       
 +
                                    0,1mV/100Ohm
 +
Tuner, AUX,Tape A, B:             
 +
                                    150mV/50kOhm
  
 +
Signal to Noise Ratio (IHF, A): 
 +
Phono1&2 (MM):                     
 +
                                    90dB für 2,5 mV Eingang
 +
                                    96dB für 5mV Eingang
 +
                                    102 für 10 mV Eingang
 +
Phono1 (MC):                       
 +
                                    70dB für 0,1 mV Eingang 
 +
                                    76dB fürfür 0,2 mV Eingang
 +
Tuner, AUX, Tape, A, B:             
 +
                                    105dB für 150mV Eingang
  
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* Fascination Kenwood KA-907!
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Maximaler Einganslevel: 
−
* 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!
 
  
 +
für Phono1&2 (MM):                 
 +
                                    230mV (RMS), T.H.D. 0,01% bei 1000Hz
 +
für Phono1 (MC):                   
 +
                                    9mV (RMS), T.H.D. 0,01% bei 1000Hz
  
−
== Links ==
+
Ausgangslevel Impedanz:     
−
* External link to website "Hifi Archive": [http://www.hifi-archiv.info/Kenwood/1980-1/07.jpg]
+
 
 +
Tape REC (pin):                    
 +
                                    150mV/180Ohm
 +
        (DIN):                     30mV/80kOhm
 +
PRE OUT (Maximum):                 
 +
                                    9V/750Ohm 
 +
 
 +
Frequenzgang für Phono:           
 +
                                          RIAA standart curve +-2dB                         
 +
                                          (20Hz bis 20000Hz)
 +
 +
Klangregelung:               
  
−
* External link on website "The Vintage Knob": [http://www.thevintageknob.org/kenwood-KA-907.html]
+
Bass:                              
 +
                                    +-10dB Crossover Freq. 400Hz und 150Hz
 +
Treble:                            
 +
                                    +-10dB Crossover Freq. 3kHz und 6 kHz
  
 +
Loudness (gehörrichtige Lautstärkeanhebung) 
 +
(at-50dB VOLUME Level)
 +
                                            +3dB, +6dB, +9dB bei 30Hz oder 100Hz
 +
Subsonic Filter:             
 +
                              18Hz, 6dB/oct
 +
High Filter:                 
 +
                              8kHz, 12dB/oct
  
−
[[Category:Integrated Amplifier]]
+
GENERELL
 +
Leistungsaufnahme:       
 +
                              1000 Watt
 +
A,C Outlet:                 
 +
                              Switched 2, Unswitched 2
 +
Größe:                       
 +
                              BxHxT= 460x161x463mm
 +
Gewicht:                     
 +
                              25,8Kg (56,9lbs)
 +
alle Waagen auf denen ich
 +
Ihn hatte zeigten aber:     
 +
                              28,3Kg
 +
 +
Das obere Gerät repräsentiert den passenden Tuner [[Kenwood KT-917]] die Daten zu Diesem Folgen noch in der entsprechenden Rubrik.
 +
http://img264.imageshack.us/img264/3295/75726681th0.jpg
 +
[[Kategorie:Vollverstärker]]

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