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The drawback is that they are especially designed as coupling caps in tube gear! There is also a limited number of values available, other then that, wholeheartedly recommended.
Well.... What kind of $ are we talking about for say 0.1uF of these silver coupling caps? I will try anything if my wallet will let me.
Originally Posted by Ferrari
Jon L,
As far I know, K72 does exist(ed) in 0.1uF (have used it in the past) and FT3 was also available in 0.47uF (the silver one in the pic below).
Yeah, I heard K72 in 0.1uF exists; it's just that none of the usual Russian/European sources seem to have any left. The K72 especially has to be securely tied down; otherwise, its weight will pull itself off the solder over time.
I think they are 6.8microf OPIMP, its definatly OPIMP, but I dont own one so not 100% sure on the value.
There was an expensive special edition which also ran two smaller teflon v-caps alongside the OPIMP's.
I think they are 6.8microf OPIMP, its definatly OPIMP, but I dont own one so not 100% sure on the value.
There was an expensive special edition which also ran two smaller teflon v-caps alongside the OPIMP's.
Thanks Kabeer, any idea on cost?
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Well.... What kind of $ are we talking about for say 0.1uF of these silver coupling caps? I will try anything if my wallet will let me.
Yeah, I heard K72 in 0.1uF exists; it's just that none of the usual Russian/European sources seem to have any left. The K72 especially has to be securely tied down; otherwise, its weight will pull itself off the solder over time.
There is no 0,1 ufarad and the only way to obtain those caps is via me, so i can pick them up locally. They are not for sale via websale or anything.
The russians are in general BIG......most of the time you need such a metal capholder to screw them down secure because of the size and weight.
Black Stuart also tried out those russians and he liked the ft3 best.
Last edited by tourmaline; 05-29-2008 at 10:03 PM.
I think they are 6.8microf OPIMP, its definatly OPIMP, but I dont own one so not 100% sure on the value.
There was an expensive special edition which also ran two smaller teflon v-caps alongside the OPIMP's.
OPIMP do you mean the oimp Vcap?!
In that case the teflon caps were used as bypass caps....
scroll down and you'll see on the right pricing for the 6.8ufarad cap!
6.8ufarad for vcap tftf (teflon) would cost you an arm and a legg! hence, they only go to 3.3ufarad!
3.3ufarad would set you back 700 dollars! For one cap!
That is why the tftf (teflon) caps are mostly used as coupler caps in tube amps( smaller values) and/or as bypass caps (also smaller values) for larger caps in amps!
Last edited by tourmaline; 05-30-2008 at 12:04 AM.
The Russian K40y paper-in-oil caps are up next. Just for size comparisons, the following caps are of the same value, starting from top: Russian FT3 Teflon, Russian K40y PIO, Mundorf Silver/Oil.
The Russian K40y paper-in-oil caps are up next. Just for size comparisons, the following caps are of the same value, starting from top: Russian FT3 Teflon, Russian K40y PIO, Mundorf Silver/Oil.
Holy....and i thought the mundorfs where already quite big...
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