6.8uf 35v or 6.8uf 100v

[ccapital83 10+ year member]

anyone know what the difference is?

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[Spooney 10+ year member]

What's the application?

 

[ccapital83 10+ year member]

connecting to my tweeters. p26t by jbl i had 4.7uf 35v but made them half as loud just to quite. the crossover they came with is way to big for me to run its just a 6.8uf 100v in a huge box so when i went to radioshack there was a 6.8uf35v and 100v and didnt know which to get and what the higher voltage ment.

 

[dbjunior 10+ year member]

The higher the voltage rating the more power it can handle 100v should be good for 150w 35v only about 45-50w

 

[dbjunior 10+ year member]

Also the uf rating combine with the ohm load is what determines the x-over frequency that's why the 4.7 sounded different

 

[dbjunior 10+ year member]

If your tweets are 4ohm the 6.8 would cross at 6k and the 4.7 at 8.4k if the tweet is 8 ohm they cross at half that so 3k and 4.2k

 

[ccapital83 10+ year member]

so 35v and 100v neither would make the tweeter quiter? the tweets are getting about 30 rms

 

[dbjunior 10+ year member]

Should have no effect on loudness. What ohm are they and how much power are they rated for. Use a dmm.

 

[ccapital83 10+ year member]

tweeter itself alone is coming up 4 ohm and rated at 60 rms but sound good at 30 rms. wierd the 4.7uf 35v made them so quite. ill have to try a 6.8uf 100v i tell ya i like the way they sounded at 4.7uf though they had a very crisp sharp sound, sounded more like a hard dome without the harshness so maybe 6.8uf will still be close to that.

 

[dbjunior 10+ year member]

Honestly that's a very high crossover point. With that power level I'd drop it to a 3k cross over this can be done by taking two 6.8uf and paralleling them in line with,the tweeter.

 

[big scott]

whats the crossover on a 3.3uf - 100v ?

tweeter, 4ohm , 75rms

i tryed doing a search but dam cant figure it out.

 

[dbjunior 10+ year member]

whats the crossover on a 3.3uf - 100v ?tweeter, 4ohm , 75rms

i tryed doing a search but dam cant figure it out.

3.3uf @4ohm is just about 12000hz a very high crossover. This is a first order crossover so it's a -6db slope not a very steep one.