Dr.Mavashi
neonderthalotonalogist
Anybody tried them?
http://www.eurotubes.com/euro-g.htm
http://www.eurotubes.com/euro-g.htm
JJ caps?
- Thread starter Dr.Mavashi
- Start date
crusty philtrum
Vintageologist
Re: JJ caps?
I have used them quite often.
They will fill your amp with mojo, any music style will be enhanced at least a further 100%, your guitars will sound like '59 Les Pauls (except for your '59 Les Paul, which will sound like a '58) and , when your amp is dialled in right on the sweet spot, you WILL see God. I did.
Actually, they will probably do none of the above. They are decent caps, the 500 volt rating is very useful and somewhat comforting in some applications, they are great space-savers comapred to using individual filter caps, the price and availability are good and they have caused me no problems whatsoever. As they have not been around for too many years, i cannot yet comment on their longevity. But they are fine, i continue to use them in complete faith.
BTW, i DID see God, but that was due to the coupling caps i use, not the filter caps.
I have used them quite often.
They will fill your amp with mojo, any music style will be enhanced at least a further 100%, your guitars will sound like '59 Les Pauls (except for your '59 Les Paul, which will sound like a '58) and , when your amp is dialled in right on the sweet spot, you WILL see God. I did.
Actually, they will probably do none of the above. They are decent caps, the 500 volt rating is very useful and somewhat comforting in some applications, they are great space-savers comapred to using individual filter caps, the price and availability are good and they have caused me no problems whatsoever. As they have not been around for too many years, i cannot yet comment on their longevity. But they are fine, i continue to use them in complete faith.
BTW, i DID see God, but that was due to the coupling caps i use, not the filter caps.
Dr.Mavashi
neonderthalotonalogist
Re: JJ caps?
Ok, how noisy are they on the MV amps with gain cranked?
And how would you compare them to SoZo mustards?
Ok, how noisy are they on the MV amps with gain cranked?
And how would you compare them to SoZo mustards?
crusty philtrum
Vintageologist
Re: JJ caps?
Original mustard caps are rubbish and i throw them away. They have only achieved some kind of status because they were common and used in a lot of old amps. No idea about SoZo, but why would anyone copy something so average in the first place?
Sorry, i don't build or use anything with a master volume, so i can't comment. MV is an abberation against good tone and has no place in my life. Noises caused by such horror circuitry is the territory and problem of others, but not myself. But i would imagine there would be many more noise-inducing areas in high-gain MV before the filters became suspects.
Original mustard caps are rubbish and i throw them away. They have only achieved some kind of status because they were common and used in a lot of old amps. No idea about SoZo, but why would anyone copy something so average in the first place?
Sorry, i don't build or use anything with a master volume, so i can't comment. MV is an abberation against good tone and has no place in my life. Noises caused by such horror circuitry is the territory and problem of others, but not myself. But i would imagine there would be many more noise-inducing areas in high-gain MV before the filters became suspects.
claytonc
New member
Re: JJ caps?
JJ's are large electrolytic filter caps. These are Totally different from small signal caps like a Sozo or older Phillips/Mullard Mustard cap. They do very different jobs in an amp and are not interchangeable.
JJ Electrolytic caps are good caps. Most knowledgeable techs would agree that they are the 2nd best available for use in guitar amps behind the German made F&T's.
-Clayton
JJ's are large electrolytic filter caps. These are Totally different from small signal caps like a Sozo or older Phillips/Mullard Mustard cap. They do very different jobs in an amp and are not interchangeable.
JJ Electrolytic caps are good caps. Most knowledgeable techs would agree that they are the 2nd best available for use in guitar amps behind the German made F&T's.
-Clayton
the guy who invented fire
Fuzzy. Guitars
Curly
Moe's Bluesman
Re: JJ caps?
they are high quality multi-cap cans -- there aren't a lot of choices for similar caps
I have a custom made Ruby 'Wreck Rocket, and that's what he prefers and uses.
this is not meant as a knock on this forum, but there are only a handful of people here who can answer about specific components from an experienced tech standpoint. I think you would have more success on an amp forum such as the amp garage, when asking about specific components.
also, as has been pointed out, tone caps like Sozos (excellent caps, BTW), and polarized electrolytics are different components. I'd suggest you consider asking specifically about what you need/ want to do.
they are high quality multi-cap cans -- there aren't a lot of choices for similar caps
I have a custom made Ruby 'Wreck Rocket, and that's what he prefers and uses.
this is not meant as a knock on this forum, but there are only a handful of people here who can answer about specific components from an experienced tech standpoint. I think you would have more success on an amp forum such as the amp garage, when asking about specific components.
also, as has been pointed out, tone caps like Sozos (excellent caps, BTW), and polarized electrolytics are different components. I'd suggest you consider asking specifically about what you need/ want to do.
Fresh_Start
New member
Re: JJ caps?
I've used the JJs in two Princeton Reverb builds. They work fine. You can get them cheaper at Antique Electric Supply:
http://www.tubesandmore.com/scripts...SEARCH_TREE02=02_MULTI&SEARCH_TREE03=04_JJLCR
F&T makes fantastic filter caps, but I haven't seen a 40uf/20uf/20uf/20uf can from them like the JJ.
The common ground terminal on a cap can is a bit of challenge for new builds, so I like to use individual power filtering caps. That also lets you put the filter caps as close to their part of the circuit as possible. However, when you're replacing a cap can in an old amp you don't have much choice.
Chip
I've used the JJs in two Princeton Reverb builds. They work fine. You can get them cheaper at Antique Electric Supply:
http://www.tubesandmore.com/scripts...SEARCH_TREE02=02_MULTI&SEARCH_TREE03=04_JJLCR
F&T makes fantastic filter caps, but I haven't seen a 40uf/20uf/20uf/20uf can from them like the JJ.
The common ground terminal on a cap can is a bit of challenge for new builds, so I like to use individual power filtering caps. That also lets you put the filter caps as close to their part of the circuit as possible. However, when you're replacing a cap can in an old amp you don't have much choice.
Chip
Dr.Mavashi
neonderthalotonalogist
Re: JJ caps?
Allright, thank you bro's.
I am into heavy, groovy, southern rock meets Lynch Mob and ZZ top kind of land. I love how my Laney does it, but I want it clean up the noise a lot. I know for a fact that nothing besides jack & pots jobs were done to it, since like 1985. I LOVE how it sounds now only when I turn it up for a band practice I believe hum and dirt are disproportional to the MV level, not unbearable, but I want it cleaner. So I thought the first step would be a re-cap? So, Sozos and F&T's ?
Allright, thank you bro's.
I am into heavy, groovy, southern rock meets Lynch Mob and ZZ top kind of land. I love how my Laney does it, but I want it clean up the noise a lot. I know for a fact that nothing besides jack & pots jobs were done to it, since like 1985. I LOVE how it sounds now only when I turn it up for a band practice I believe hum and dirt are disproportional to the MV level, not unbearable, but I want it cleaner. So I thought the first step would be a re-cap? So, Sozos and F&T's ?
Dr.Mavashi
neonderthalotonalogist
Re: JJ caps?
bamparu.
bamparu.
Fresh_Start
New member
Re: JJ caps?
After 20+ years, the electrolytic caps may well need to be replaced. Personally I'd leave all the non-electrolytic caps in the signal chain alone, especially if you love the tone right now. Putting in new caps could change the character of the amp without helping the noise problem (unless it's a bad solder joint and that could be fixed without changing components).
However, filter caps or coupling caps may not be the source of your noise. The problem could be a noisy tube, a ceiling fan, bad grouding at the socket, effects pedals, or something that came with the amp.
Is it noisy with nothing plugged in but the master volume turned up? Has it always been noisy? What kind of noise is it anyway?
With respect,
Chip
After 20+ years, the electrolytic caps may well need to be replaced. Personally I'd leave all the non-electrolytic caps in the signal chain alone, especially if you love the tone right now. Putting in new caps could change the character of the amp without helping the noise problem (unless it's a bad solder joint and that could be fixed without changing components).
However, filter caps or coupling caps may not be the source of your noise. The problem could be a noisy tube, a ceiling fan, bad grouding at the socket, effects pedals, or something that came with the amp.
Is it noisy with nothing plugged in but the master volume turned up? Has it always been noisy? What kind of noise is it anyway?
With respect,
Chip
Dr.Mavashi
neonderthalotonalogist
Re: JJ caps?
Well, when the MV or Gain are taken past 12 o'clock its this kind of static hum that is there even if the guitar volume is turned off. I can it during the playing and it kind of muddies up the overall sound.
Well, when the MV or Gain are taken past 12 o'clock its this kind of static hum that is there even if the guitar volume is turned off. I can it during the playing and it kind of muddies up the overall sound.
Dr.Mavashi
neonderthalotonalogist
Re: JJ caps?
Any new users of JJs? did anybody compare the effect on tone in comparison to F&Ts? thanks ....
Any new users of JJs? did anybody compare the effect on tone in comparison to F&Ts? thanks ....
RLee
New member
Re: JJ caps?
I agree that some MV's can sound bad, but not all MV's are evil. The Lar/Mar post-phase MV I put in my 50 watt plexi is awesome sounding.
I agree that some MV's can sound bad, but not all MV's are evil. The Lar/Mar post-phase MV I put in my 50 watt plexi is awesome sounding.
RLee
New member
Re: JJ caps?
There won't be any tonal differences from filter caps. Worst case, if they were bad, you'd get increased levels of hum.
There won't be any tonal differences from filter caps. Worst case, if they were bad, you'd get increased levels of hum.
