Hi,
I have some small Wharfedale Diamond 9.0 bookshelf speakers in storage, I opened them up and found a woofer driver 10113 and tweeter driver 0326H and a crossover 053-2947001009, speaker impedance is 6Ω, so the woofer is probably 8Ω and the tweeter 4Ω?
I'm going to use CamillaDSP, so what bi-amp amplification would you use, this is just tinkering, so something cheap, a budget of $60 for the PCB's ($15/channel), I have lots of power supplies, I'm a bit worried about accidentally destroying the tiny tweeters with too much power or too low a frequency.
Thanks.
Richard
I have some small Wharfedale Diamond 9.0 bookshelf speakers in storage, I opened them up and found a woofer driver 10113 and tweeter driver 0326H and a crossover 053-2947001009, speaker impedance is 6Ω, so the woofer is probably 8Ω and the tweeter 4Ω?
I'm going to use CamillaDSP, so what bi-amp amplification would you use, this is just tinkering, so something cheap, a budget of $60 for the PCB's ($15/channel), I have lots of power supplies, I'm a bit worried about accidentally destroying the tiny tweeters with too much power or too low a frequency.
Thanks.
Richard
Nice termnal cup. Pictures of the drivers?
Database says 2.2 kHz XO, from the pic likely a 2nd order XO (or could be 1st on the woofer and 3rd on the tweeter., You will need to trace out.
That iyour startng point.
6Ω impedance ia nomina. Couldn’t find a measured impedance curve but likely similar to this for the W D9.1
dave
Use a (large) cap to protect tweeters from low frequency content and DC:
https://sound-au.com/bi-amp2.htm#capacitor-choice
For the woofer, you can consider TPA3116D2 50-W stereo, 100-W mono, 4.5- to 26-V supply, analog input Class-D audio amplifier w/ SpeakerGuard.
https://www.ti.com/product/TPA3116D2
https://www.ti.com/product/TPA3116D2