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Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced
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Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced

$100.00
Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced—
$100.00

The Story

The Kenwood RA-90 typically refers to a vintage Stereo Reverberation Amplifier, not a power amplifier, from the mid-1980s, known for its effects (like digital reverb/delay) with specs including a wide frequency response (e.g., 20Hz-35kHz), low distortion (<0.01%), and good S/N ratio (100dB), while a different model, the Kenwood RA-90II, is a similar reverb unit. There's also a Kenwood TK-90, which is a land mobile radio transceiver, so specs vary greatly by model. 
Here are specs for the Kenwood RA-90

Type: Stereo Reverberation Amplifier
  • Frequency Response: 20Hz - 35kHz (or wider, depending on source)
  • Total Harmonic Distortion (THD): Less than 0.01% (or 0.03% for some similar units)
  • Signal-to-Noise Ratio (S/N): 100dB (line)
  • Reverb Time: 0 to 2.5s (Effect 1), 30 to 80ms (Effect 2)
  • Power Consumption: 15W
  • Year: Circa 1983 (for the RA-90) 
Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 2

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 3

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 4

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 5

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 6

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 7

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 8

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 9

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 10

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 11

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 12

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 13

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced - Image 14

Details & Craftsmanship

Every detail has been carefully considered to bring you the perfect product.

Description

The Kenwood RA-90 typically refers to a vintage Stereo Reverberation Amplifier, not a power amplifier, from the mid-1980s, known for its effects (like digital reverb/delay) with specs including a wide frequency response (e.g., 20Hz-35kHz), low distortion (<0.01%), and good S/N ratio (100dB), while a different model, the Kenwood RA-90II, is a similar reverb unit. There's also a Kenwood TK-90, which is a land mobile radio transceiver, so specs vary greatly by model. 
Here are specs for the Kenwood RA-90

Type: Stereo Reverberation Amplifier
  • Frequency Response: 20Hz - 35kHz (or wider, depending on source)
  • Total Harmonic Distortion (THD): Less than 0.01% (or 0.03% for some similar units)
  • Signal-to-Noise Ratio (S/N): 100dB (line)
  • Reverb Time: 0 to 2.5s (Effect 1), 30 to 80ms (Effect 2)
  • Power Consumption: 15W
  • Year: Circa 1983 (for the RA-90) 
Kenwood RA-90 Stereo Reverberation Amplifier (1983) * Fully Serviced | The Turntable Store