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EQUIPMENT FORUMS >> MINI TORII >> 7581A in a Mini Torii
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Message started by grinnell on 02/16/21 at 15:24:24

Title: 7581A in a Mini Torii
Post by grinnell on 02/16/21 at 15:24:24

Anyone try these? Should be a sub for the 6L6.

Title: Re: 7581A in a Mini Torii
Post by chapsjon on 02/17/21 at 12:33:45

I have no experience with 7581A. I have tried multiple brands of 6v6, preferring Mazda and RCA blackplate. I am currently running 6F6. The ones I have are little less powerful than 6v6, but also seem a little "sweeter" sounding. One reason I tried them to begin with was ST shape, then really enjoyed the sound and they were cheap, so been running them exclusively for about 9-10 months.

Title: Re: 7581A in a Mini Torii
Post by grinnell on 02/17/21 at 15:17:27

LOL I tried the 6V6g ST because of the shape love those coke bottle tubes

I wonder if it would work because of this-(below) I don't know enough about electronics to know if this is an issue

" It takes the typically 6L6GC/7581 30W rating and raises it 5W to 35W plate dissipation"

Title: Re: 7581A in a Mini Torii
Post by chapsjon on 02/18/21 at 12:30:42

Yes, I think the Coke bottle shape is cool, I have those for my OA3's too & I think the ST shaped power tube and regulator look cool next to each other. Seem to put off a little more light too, but maybe it's because the 6F6 ST shape reflects the OA3 more than GT shape.

Your logic seems sound on the 7581A. I'd probably wait and see if someone more knowledgeable than me can confirm your reasoning, but it sounds like it might be worth trying.

Title: Re: 7581A in a Mini Torii
Post by JohnBiv on 01/13/25 at 02:22:08

Did you ever try the 7581A? I have an itch but I don’t want to ruin anything

Title: Re: 7581A in a Mini Torii
Post by grinnell on 01/13/25 at 14:44:32

Have tried it yet, was waiting on more info from more experienced electronic gurus :)

Title: Re: 7581A in a Mini Torii
Post by CAJames on 01/13/25 at 15:17:22

I don't have a Mini Torii, but if it is safe to use a 6L6 then it is very safe to use a 7581A. Of course how it sounds is up to you.