Fix crackling sound volume fader old vintage car booster graphic equalizer Proline arrow GP-870XII
Автор: JN Electric
Загружено: 2025-05-20
Просмотров: 2419
Описание:
In this video, it is told about a vintage cars equalizer 7 band audio booster brand Proline Arrow model GP-870XII that tells about technical problems, test, and component function.
Volume potentiometer : Aiko B50k
SPECIFICATIONS
Signal input impedance : 47 Ω (4 or 8 Ω acceptable)
Band frequencies : 60Hz, 160Hz, 400Hz, 1KHz, 2KHz, 6KHz, 12KHz
TONE control range : ±12dB at each center frequency
Input sensitivity : 300 mV (at 1W output power)
Frequency response of
power amplifier20 ~ 22 KHz (-3dB)
Matching speaker impedance4-speaker connection = 8Ω
2-speaker connection = 4 or 8Ω
Power supply voltageDC 14.4 V Negative Ground
(10 - 16 V)
Current drain 0.3 A(Idling) - 7 A (Max. power)
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