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Class D Audio
Class D Audio SDS-450 amp board
Class D Audio SDS-450 full kit (amp, power supply, xfmr, gain pots, etc.)
Class D Audio SDS-450 amps laid out on base plates, almost ready for wiring. 16"x12" chassis from Par-Metal.
Class D Audio SDS-450 amps laid out on base plates, almost ready for wiring. 16"x12" chassis from Par-Metal.
Class D Audio SDS-450 balanced mono amps with Neutrik SpeakOn and PowerCon connectors and matching speaker cables (DH Labs Q-10 with 4-pole connectors for internal bi-wire setup) and power cords (DH Labs Power Plus with Marinco plugs). Temporary installation of gain pot... plan to replace with fixed resistor.
Class D Audio SDS-450 balanced mono amps with Neutrik SpeakOn and PowerCon connectors and matching speaker cables (DH Labs Q-10 with 4-pole connectors for internal bi-wire setup) and power cords (DH Labs Power Plus with Marinco plugs). Temporary installation of gain pot... plan to replace with fixed resistor.
Class D Audio SDS-450 balanced mono amps with Neutrik SpeakOn and PowerCon connectors.
Class D Audio SDS-450 mono amp internal speaker output jumpers to Neutrik 4-pole SpeakOn connector to facilitate biwiring through a single connector.
Class D Audio SDS-450 amp board with modified heatsink "pontoons" or "outriggers" providing added thermal mass to help them run cooler. Plate runs under existing heatsink and pontoons are in contact with the chassis bottom.
Class D Audio SDS-450 amp board with modified heatsink "pontoons" or "outriggers" providing added thermal mass to help them run cooler. Plate runs under existing heatsink and pontoons are in contact with the chassis bottom.
New SDS-450 amp module with improved heat handling capabilities to prevent premature tripping of the protection circuit. Notice the larger heatsink pontoons and resistors moved off the circuit board (these generate considerable heat).
New SDS-450 amp module with improved heat handling capabilities to prevent premature tripping of the protection circuit. Larger heatsink pontoons and thermistor moved towards the rear of the heatsink (small circle in middle of the heatsink at the power input/speaker output end of the PCB). Thermistor was originally at the other side of the heatsink right between the FETs where it was the hottest.
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