FX30 Noise Gate
FX30 Noise Gate with foam foot switch
Based on DOD's original-series Noise Gate/230, the FX30 Noise Gate was one of the original ten DOD FX-series pedals that debuted in 1982. Unlike the Boss NF-1, which used a single 741-type op amp, the noise gate portion of the FX30's circuit used a LM358N bipolar op amp. The FX30 remained in production until it was replaced by the FX30B in mid-1985.
- Controls: Delay (variable decay rate), Sensitivity (attenuation threshold of noise gate)
- List price (January 1983): $59.95
- Technical info:
- Specifications (1982): Input impedance = 500 k Ohms, Output impedance = 1 k Ohms; Delay time = .005-2 sec; Band Width = 40-16k Hz; Signal-to-Noise Ratio = 90 dB
- Notable IC chips: LM358N low power dual bipolar op amp (used in the noise gate section), TL022CP op amp
- Component-side circuitboard image: December 1982
- Specifications (1982): Input impedance = 500 k Ohms, Output impedance = 1 k Ohms; Delay time = .005-2 sec; Band Width = 40-16k Hz; Signal-to-Noise Ratio = 90 dB
- FX heritage: FX30
FX30B
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