Tweeter 3 and Schematic of the SDA-SRS 1.2TL
I am performing some work - rebuilding my crossover with upgrading capacitors and resistors on the tweeter section of the 1.2TL. I am using Gimpods boards which are great and a life saver compared to the original boards that Polk used!!!
I noticed two things:
1. That the schematic diagram posted in the forum for capacitors and resistors (with the exception of the 2.7 ohm resistor) are facing the negative terminal of the tweeter. However, when looking at the board, this is the complete opposite for the resistors (I have not verified the caps, but this could also be suggested - read on). I also notice that in the original crossover board in the C6 section, that the solder holes are untouched. This would indicate to me that C6 was never used in the original board - I am using C6 on Gimpods boards for a 12 uF capacitor. Is this wrong, or should that cap be located elsewhere? Could the schematics tweeter wiring diagram (from the wire output to the tweeters) be labeled incorrect? I feel totally confused.
2. Tweeter 3 (from the top) does not produce sound from both speakers. I verified that the tweeters do work. I also verified using an ohm meter that there is conductivity from the circuit to the tweeter, so I do not beleive there is an open lead in the circuit. I am not using any polyswitches or mica caps. I am wondering perhaps I forgot to jumper a section somewhere to have sound produce from tweeter 3.
I beleive Gimpods boards are a solid product and are are NOT the reason I am experiencing this. Someone also suggested that there is not much sound (or a sound beyond my hearing) being produced from tweeter 3 which is possible. Experience suggests this. However, judging that I can hear the other tweeters, and that even if I could not hear sound at those frequencies, I do feel tactile sensation (vibration) coming from the other tweeters, so l should be able to feel the sound coming from it if not being able to hear from it.
I cannot go back to the original board to verify because:
1 - i do not feel like it
2 - i removed the original caps and resistors components for new components, and then purchased Gimpods boards which required the transfer of all the components to the new board. Now the original board is blank with the original components sitting in a bag labeled 1.2TL.
Has anyone else encountered this issue?