Pioneer B20 open baffle -- popular tweeter

[Nelson Pass]

Did anyone try B20 with a tweeter or piezo in Open Baffle? Any suggestions and impression?

Of course. The B20 is about the best value there is at $20. It will deliver
OK bass in a larger OB and it's pretty smooth over the audio spectrum. It
does benefit from a little sugar on top via an inexpensive tweeter - I bought
about 2000 pieces at $0.39 from Parts Express, which I've been giving away
at Burning Amps. I put a 1 uF in series to cross it at about 10 KHz, and you
can think about putting one on the back running opposite phase.

😎

 

[gychang]

Of course. The B20 is about the best value there is at $20. It will deliver
OK bass in a larger OB and it's pretty smooth over the audio spectrum. It
does benefit from a little sugar on top via an inexpensive tweeter - I bought
about 2000 pieces at $0.39 from Parts Express, which I've been giving away
at Burning Amps. I put a 1 uF in series to cross it at about 10 KHz, and you
can think about putting one on the back running opposite phase.

😎

sounds like a great project in the near future (have 2 B20s sitting idle.)

 

[gychang]

I put a 1 uF in series to cross it at about 10 KHz, and you
can think about putting one on the back running opposite phase.

😎

how would I do this in OB?

can I use a cheap amp potentiometer to dial in varying Resistance? (instead of L-pad?