|[AMRadio] Need switch|
hallicrafterssr2000 at k9axn.com
Thu Jan 22 14:07:23 EST 2015
Send a close up of the switch and the dimensions. If it’s the 1 7/8” Centralabs might be able to help. You indicate it is a 20 amp switch. The single contact 1 7/8” Centralabs switches were 9 amp, and with a contact on both sides, 18 amps.
The 1 7/8“ double contact switch was used in the SR-2000 NCL-2000 and a plethora of other amps. Both of those amps had a maximum of 15 amps circulating in the tank in high power mode and the switch easily handled the current. Tests using SSB indicated that a single contact could carry the load in high power mode but would be severely stressed in AM mode.
Take a quick look at http://www.k9axn.com/_mgxroot/page_10872.html. Does this look like the switch that you need albeit a different configuration?
Kindest regards Jim K9AXN
From: Jim Wilhite
Sent: Thursday, January 22, 2015 11:21 AM
To: AM Radio List
Subject: [AMRadio] Need switch
I am looking for a switch that fits a GK 500A, B or C. The one in question is for the coarse loading control. It is a 6 position, 20 amp switch with 5 progressive shorting contacts. Either it or the main bandswitch for the final tank circuit will do. Should you have one I would like to purchase. The original switch was made by Centralab but there may be alternatives out there. The only restrictions are mounting is by a 3/8 shaft and nut and the switch fits under a 3 inch chassis.
Any leads would be appreciated.
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