[Empeg-general] Re: Turn On/Off Thump
Ezekiel@empegbbs-noreply.merlins.org
Ezekiel@empegbbs-noreply.merlins.org
Sun, 3 Sep 2000 19:36:00 GMT
Radio Shack 12V/30A automotive relay P/N 275-0226 SOLVED MY THUMP!!!
How to wire it: Put the switched line from the car harness into the on/off, the car harness ground to the ground terminal, the 12V constant into the 12V in and the empeg switched lead into the 12V out. VOILA. NO THUMP!!!! (can you tell I'm a little excited?)
I don't know for sure why it solved my thump (I'll stick with my voltage spike theory), but there it is. There must be _something_ about how the keyswitch was dropping the voltage from 12 to 0, otherwise what explains the fuse pull/keyswitch difference I observed? Any electrical engineers in the audience tonight? I'm just one happy camper. The stats on the relay can be found below:
http://www.radioshack.com/ProductSupport/DocumentDetail/Index/1,2360,,00.html?Doc=/support_auto/doc38/38002.htm
Since it draws only 160mA I'm going to put my 2nd one in the amp output line to switch my Kenwood head unit.
joy!
-Zeke
just say you weren't paying much attention...