Hello all,
I'm new to speaker design, so please pardon the ignorance.
I have built a small guitar amplifer that feeds a 8 ohm speaker, and am now fine tuning the output to my needs. Can anyone tell me how I might be able to filter out 800 Hz completely? I've plugged a equalizer pedal into the amp and layed with it until I narrowed it down to this frequency.
The amp sounds great with this frequency filtered out, but not so hot with it in.
I've tried the Twin T design on the following page:
**broken link removed**
I used value of 1.8K for R and .1uF for C which, according to the calculations should have been a good starting point, but the output was too low, and very distorted. I'm not sure if this has anything to do with what is going on, but the amplifier uses BTL configuration, therefor the outputs are floating with respect to ground.
Thanks in advance for any and all helpful suggestions.