Replacement tubes.

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Replacement tubes.

Post by Sculli » Sun Oct 14, 2012 4:35 pm

Think I need new tubes for my UA 2-610. Any suggestions? Thanks much in advance!

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Post by kslight » Sun Oct 14, 2012 6:32 pm

I've had good results from JJs in my amp from

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Re: Replacement tubes.

Post by EasyGo » Fri Oct 19, 2012 7:59 pm

Sculli wrote:Think I need new tubes for my UA 2-610. Any suggestions? Thanks much in advance!
NOS JAN-Philips military spec 12AT7s from the Tube Store are a good choice and pretty cheap too. I also tested out a couple 12AX7s from the same vendor; I liked the Svetlana's the best for a more hi-fi tone vs. the Electro Harmonix for a higher gain sound. My experience is based on hearing these tubes in a guitar amp application, so YMMV.

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Post by joninc » Thu Aug 13, 2015 11:54 am

I am looking for recommendations for replacement tubes for my solo 610 as well.

input 12AX7s.

not the same as your guitar amp - thanks!
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Nick Sevilla
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Post by Nick Sevilla » Thu Aug 13, 2015 5:14 pm

Have you guys tried ElectroHarmonix?

They also make those "MFR" brand name tubes for other companies, since they bought out the best Russian tube factories years ago.

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I'm Painting Again
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Post by I'm Painting Again » Mon Aug 17, 2015 4:42 pm

replace them if they're actually failing? LOL

Find someone who tests tubes..who knows tubes to get your can't just pick up a rando set of even the same type and make and expect it to be the best..they're not all the same

the input tube will be more critical than the output tube IIRC

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Post by oneflightup » Mon Sep 28, 2015 7:32 am

Welcome to the murky world of buying tubes on the net.... beware of shady vendors selling rubbish!

Good luck in your search :)


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Post by Recycled_Brains » Mon Sep 28, 2015 11:04 am

Don't buy NOS. It's a money pit.

I've had good luck with EHX. I buy from Tube Depot and spend the extra $3 on the testing they do to make sure you get a solid one, then still check for microphonics after installing. That's really my biggest concern... microphonics, then if there's something obviously wrong like they're really noisey or something. I don't think my ear is good enough to tell if the new EHX tube I bought sounds worse, or just different than a NOS Mullard or something like that, and spending more than $20 on a preamp tube is pretty silly to me.
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