Sharp GF-555 Boombox Power Output Test @OldSchoolElectronics
Sharp GF-555 Boombox Power Output Test  @OldSchoolElectronics
Uploaded February 2016 | Updated September 2026, 1 week ago
Approximation of power output. A 1000 Hz sine wave fed into the line-in jacks. Measurements were taken with both channels driven, then just one channel. 8 ohm load was attached to the external speaker inputs. Measured about 2.25 watts RMS with both channels driven, then about 4 watts RMS with just one channel driven. Distortion measurements were not made.
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Sharp GF-555 Boombox Power Output Test

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