Correct, passive speaker. I ha!ve been working with Vett93 and he has stepped me through all kinds of tests. Thank you for being so patient with me! Through it all I still have the same buzz out of both speakers. The buzz is not present under three conditions we have tested.
1) the Atlas amp turned on and connected to the speakers with nothing else hooked to the amp
2) the Atlas amp hooked to an ic feeding into an RCA socket with the two leads connected and shorted
3) as above with a 1kohm resistor between the RCA ground and center pin.
The buzz is present with any other condition. Here is a recap of what causes a buzz through the speakers.
-Three different single ended preamps turned on or off hooked to the amp. They each caused the same buzz wether they were on or off with or without a source hooked up .
- hooked direct to two different cd players the buzz was the same - no preamp
- cheater plug on amp, then preamp, all xlr inputs on the amp shorted between pin 1 and 3 with purchased xlr connectors having pin 1 and 3 shorted
Vett93 can better explain all the RCA, iec, pin, chassis etc measurements we made concluding all was wired correctly with the amp's input.
Stumped is an understatement. I wonder if a conditioner of passive or active nature is needed to cure other issues?
Through all of this testing all 4 xlr inputs were shorted between pin 1 and 3.
1) the Atlas amp turned on and connected to the speakers with nothing else hooked to the amp
2) the Atlas amp hooked to an ic feeding into an RCA socket with the two leads connected and shorted
3) as above with a 1kohm resistor between the RCA ground and center pin.
The buzz is present with any other condition. Here is a recap of what causes a buzz through the speakers.
-Three different single ended preamps turned on or off hooked to the amp. They each caused the same buzz wether they were on or off with or without a source hooked up .
- hooked direct to two different cd players the buzz was the same - no preamp
- cheater plug on amp, then preamp, all xlr inputs on the amp shorted between pin 1 and 3 with purchased xlr connectors having pin 1 and 3 shorted
Vett93 can better explain all the RCA, iec, pin, chassis etc measurements we made concluding all was wired correctly with the amp's input.
Stumped is an understatement. I wonder if a conditioner of passive or active nature is needed to cure other issues?
Through all of this testing all 4 xlr inputs were shorted between pin 1 and 3.