Kenwood - KA-7100 'DC Stereo' Solid state integrated amplifier

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Matthew McIvor
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Estimate  € 400 - € 450
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Kenwood KA-7100 DC Stereo power amplifier, manufactured in 1978, weight 13 kg, dimensions 430 × 149 × 379 mm, serial number 087, in good condition and tested and functioning.

AI-assisted summary

Description from the seller

Description
The development of the DC power amplifier can be considered one of our greatest engineering successes, because it provides a nearly perfect linear frequency response that starts essentially from 0 Hz.

This means that the amplified signal effectively has the same waveform as that at the input terminals. The amplifier maintains extremely low distortion up into the ultra-low frequency range. With excellent phase and transient characteristics —the response in real listening conditions— the sound you hear is perfectly natural.

The directly coupled amplifier consists of a three-stage differential circuit (with a dual-gate FET in the first stage) and our power amplifier circuit, ensuring an effective, very stable, and plentiful output.

To protect all circuits and your valuable speakers, there is an integrated protection circuit and protection relays.

With phase and transient distortion at insignificant levels, the Kenwood KA-7100 offers refreshing clarity and warmth of sound even at high listening levels.

Specifications
Output Power: 60 watts per channel into 8Ω (stereo)
Frequency Response: 0 Hz to 100 kHz
Total Harmonic Distortion: 0.02%
Damping Factor: 50
Input Sensitivity: 2.5 mV (MM), 150 mV (line)
Signal-to-Noise Ratio: 80 dB (MM), 110 dB (line)
Output: 150 mV (line), 30 mV (DIN)
Speaker Load Impedance: 4Ω to 16Ω
Dimensions: 430 x 149 x 379 mm
Weight: 11.5 kg

Description
The development of the DC power amplifier can be considered one of our greatest engineering successes, because it provides a nearly perfect linear frequency response that starts essentially from 0 Hz.

This means that the amplified signal effectively has the same waveform as that at the input terminals. The amplifier maintains extremely low distortion up into the ultra-low frequency range. With excellent phase and transient characteristics —the response in real listening conditions— the sound you hear is perfectly natural.

The directly coupled amplifier consists of a three-stage differential circuit (with a dual-gate FET in the first stage) and our power amplifier circuit, ensuring an effective, very stable, and plentiful output.

To protect all circuits and your valuable speakers, there is an integrated protection circuit and protection relays.

With phase and transient distortion at insignificant levels, the Kenwood KA-7100 offers refreshing clarity and warmth of sound even at high listening levels.

Specifications
Output Power: 60 watts per channel into 8Ω (stereo)
Frequency Response: 0 Hz to 100 kHz
Total Harmonic Distortion: 0.02%
Damping Factor: 50
Input Sensitivity: 2.5 mV (MM), 150 mV (line)
Signal-to-Noise Ratio: 80 dB (MM), 110 dB (line)
Output: 150 mV (line), 30 mV (DIN)
Speaker Load Impedance: 4Ω to 16Ω
Dimensions: 430 x 149 x 379 mm
Weight: 11.5 kg

Details

Era
1900-2000
Brand
Kenwood
Model
KA-7100 'DC Stereo'
Multiple models
No
Physical condition
Good
Number of objects
1
Includes
No extra's
Serial number
087
Year of manufacturing
1978
Weight
13 kg
Functional condition
Tested and working/playable
SpainVerified
39
Objects sold
100%
Private

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