Kenwood KA-907 specifications

Brand : Kenwood

General

Connections

Technical data

Special features

Manufacturer: Kenwood
Model: KA-907
Type: Stereo Integrated Amplifier< /li>
Years of construction: 1979 - 1981
Manufactured in: Japan
Color: Silver, variants Kenwood KA-907 7 in gray-metallic, Trio KA-9900 (Japan). KA-907G in gold-metallic
Power consumption: 1000 W at full power
Dimensions (WxHxD): 460 x 161 x 463 mm
Weight: 25.8 kg
New price approx.: 2.798,- DM
New price D-90 Handles: 200,- DM

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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: < ul>

Outputs:

Tape Rec: 150mV, 180 ohm

DIN: 30mV /80 Ohm

Pre Out: 9V max. / 750 Ohm

Headphones

2 pairs of speakers

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

the duration of the performance (total harmonic distortion)
- 8 Ohm : 2x 150W (RMS , 20 Hz - 20 kHz, 0.01% THD), 2x 150W (1Khz)
- 4 Ohm : 2x 180W (1Khz)
dynamic performance
- 8 Ohm s:
- 4 Ohm :
total harmonic distortion:
- Phono: to 0.01% (rated power, Volume at -20dB)
- Phono IMD: 0,0045% (rated power, 8 Ohm )
- High Level of 0.01% (Rated power, 20Hz - 20kHz, 8 Ohm )
- High Level: 0,006 % (1/2 rated power, 20Hz - 20Khz, 8 Ohm )
damping factor: 100 (DC - 20Khz, 8 Ohm )
frequency response:
- DC - 400 kHz (+0 / -3dB, DC ON)
- 1Hz - 400kHz (+0 / -3dB, DC OFF)
- 20Hz - 20kHz (RIAA, ±0.2 dB)
power bandwidth: 5Hz - 100Khz (0,03% THD) of-70dB (DIN 45500 )
signal-to-noise ratio:
- Phono 1, 2 MM: 90dB at 2.5 mV
- Phono 1, 2 MM: 96dB at 5.0 mV
- Phono 1, 2 MM: 102dB at 10mV
- Phono 2 MC: 70dB at 0.1 mV
- Phono 2 MC: 76dB at 0.2 mV
- 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: ± 230 V/µS,
tone control
- Bass:
  - 150Hz : ± 7.5 dB at 75 Hz, ±10dB at 25Hz
  - 400Hz : ± 7.5 dB at 155Hz, ±10dB at 50Hz
- height:
  - 3Khz : ± 7.5 dB at 10kHz, ±10dB at 20kHz
  - 6Khz : ± 7.5 dB at 20kHz, ±10 dB at 40kHz
Loudness : +3 / +6 / +9dB at 30Hz 100Hz
High Filter : 12dB / octave above 8Khz
Subsonic Filter : 6dB / octave below 18Hz

Bass:
- 150Hz : ± 7.5 dB at 75 Hz, ±10dB at 25Hz
- 400Hz : ± 7.5 dB at 155Hz, ±10dB at 50Hz
height:
- 3Khz : ± 7.5 dB at 10kHz, ±10dB at 20kHz
- 6Khz : ± 7.5 dB at 20kHz, ±10 dB at 40kHz