Kenwood KA-9077 specifications

Category : Integrated amplifier

Brand : Kenwood

General

Connections

Technical data

Special equipment

• Manufacturer: Kenwood
• Model: KA-9077
• Type: Stereo Integrated amplifier
• Years of construction: 1979 - 1981
• Manufactured in: Japan
• Color: Grey-Metallic, variants Kenwood KA-907 in silver, Trio KA-9900 Japan version
• Power consumption: 1000 W at full power
• Dimensions (WxHxD): 460 x 161 x 463 mm
• Weight: 25,8 kg
• Factory price approx.: 2.798,- DM
• Factory price D-90 Handles: 200 DM

• 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

• Outputs:
• Tape Rec: 150mV, 180 Ohm
• DIN: 30mV/80 Ohm
• Pre Out: 9V max. / 750 Ohm s
• headphones
• 2 pairs of Speakers

• 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

• 8 Ohm : 2x 150W (RMS , 20 Hz - 20 kHz, 0.01% THD), 2x 150W (1Khz)
• 4 Ohm : 2x 180W (1Khz)

• 8 Ohm s:
• 4 Ohm :

• 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 s)
• High Level: 0,006 % (1/2 rated power, 20Hz - 20Khz, 8 Ohm )

• DC - 400 kHz (+0 / -3dB, DC ON)
• 1Hz - 400kHz (+0 / -3dB, DC OFF)
• 20Hz - 20kHz (RIAA, ±0.2 dB)

• 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

• 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

• 150Hz : ± 7.5 dB at 75Hz, ±10dB at 25Hz
• 400Hz : ± 7.5 dB at 155Hz, ±10dB at 50Hz

• 3Khz : ± 7.5 dB at 10kHz, ±10dB at 20kHz
• 6Khz : ± 7.5 dB at 20kHz, ±10 dB at 40kHz

• Pre-/power amplifier can be separated

• Other models from the same series:
• amplifier:
• Kenwood KA-50 11
• Kenwood KA-60 11
• Kenwood KA-70 11
• Kenwood KA-80 11
• Kenwood KA-907 7

• Tuner:
• Kenwood KT-615 5
• Kenwood 8155
• Kenwood KT-917 7

• image: Kenwood KA-907 7, KT-9077

• Audio Test certified real 202+202 watts into 8 Ohm s and 308+308 watts at 4 Ohm s

• report of the "Hi-Fi Studio": [1]

• report "Mackern": [2]

• External Link on web page "Hifi archive": [3]

• External Link on website, "The Vintage Knob": [4]

Comment:

Comment box:

Kenwood KA-9077 relate

Kenwood KA-9100

Kenwood KA-9150

Kenwood KA-92 B

Kenwood KA-9300

Kenwood KA-94

Kenwood KA-949

Kenwood KA-9800

Kenwood KA-990

Kenwood KA-990 D

Kenwood KA-990 EX

Kenwood KA-990 SD

Kenwood KA-990 V

Kenwood KA-D 1100 EX

Kenwood KAF-1010

Kenwood KAF-1030

Kenwood KAF-3010 R

Kenwood KAF-3030 R

Kenwood KAX-38

Kenwood KSQ-400

Kenwood L-01 A