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AMPHF - Collins 30L-1ps & soft key relay bd 30L-1 owners, upgrade 30L-1 with better power supply, Be ware of cheap off-shore copy version at some auction sites. The made in China copy version selling higher than my price.Choose the original since 2007. The best reputation 30L-1 power supply board for $75 Plus $10 for USPS priority mail.Board uses 1000V 3A diodes in series, and 105 deg C caps, 4 times of life compared to 85deg C caps, 220 uF 6 of them. The Heat sensitive caps are under the board while the Heat generating bleeder resistors are above the PCB, no chance that Heat damage the capacitors. assembled and tested. Relay board changes original -170V, 70mA to -15V 1mA or less. If you use relay controlled radio for the 30L-1, Relay board is a must.Price $30, Ripple filter for relay and bias22uF 250V and 1K ohm .01 uF 630V reduction high 60hz ripple bias supply & another 22uf Bias cap & MOV protect Have 120v or 230V AC in rush current limiter.Metal ox varistor, R15 and R28 replace, ask for price. Listing #1637446 by K6HM Last Edited on 05/26/23 Submitted on 05/06/23 Submitted from 75-37-192-218.lightspeed.lsatca.sbcglobal.net Click to Contact Back to Previous Page

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