Best EL-84 for Blues JR.?

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7,116
Going to retube a Blues JR. for a grab and go practice amp. What would you guys recommend? I'm not the EL-84 fan, so whats pretty good, but a decent price? This is just a practice amp.
 

burner

Member
Messages
3,541
I'd go with JJs.
I didn't know much about that company until the last couple of years but I've been 100% satisfied with everything I've used from them, and I'm not sure there is a better tube available in current production.
 

fretless

Silver Supporting Member
Messages
6,015
I'd like to hear a report on the new TAD EL-84 that's out. Supposedly a slightly smaller tube (shorter) and supposed to have a 6V6ish tone. Can't remember what site I saw this on, but it was an oline tube vendor. Could simply be marketing, or snake oil, but it did look physically different and TAD claims it is a proprietary design they have made for them.

In the past I've used JJ's with good results. Bob at Eurotubes is great to deal with.
 

guitardr

Member
Messages
970
JJ's, SED's or even Grooves.
But consider whether your jr. will need any biasing too.
Find out what your "current" tubes are doing voltage-wise, and maybe try to match 'em up when you get newbies.
 
Messages
7,116
JJ's, SED's or even Grooves.
But consider whether your jr. will need any biasing too.
Find out what your "current" tubes are doing voltage-wise, and maybe try to match 'em up when you get newbies.


I've had this amp for a couple of years and it hasn't had tubes in it once. I just bought it for 50$ in great condition, but never used it. I never needed to until now.
How easy is it to bias the amp?
 

Srvwannab

Member
Messages
2,349
This is an easy one (for me)- I had Bill M. do some mods to a couple of Blues Jr's of mine and with some NOS Telsa's the amp absolutely screams. There's my two cents. :)
 

Strat-O

Member
Messages
771
It has no tubes. The original tubes was blown when I got it from a friend. I got it for $50. It's been in a closet for 2 years, but I'm needing it now.

Well that's a good reason to re-tube. I've got two that I bought used. One came with the stock tubes, the other will all JJ tubes. They sound exactly the same and they sound great. I gig with both of them constantly.

Hope this helps...:BEER
 

Blue Strat

Member
Messages
30,696
Has easy are they to bias?

Not easy. You'd have to get a bias pot installed (highly recommended) or have the bias resistor changed for every new pair of tubes.

These amps are notorious for running their EL84s way too hot. If nothing else, at least ask for a "low bias current" pair of tubes when ordering. This will keep you as safe as possible without rebiasing.
 
Messages
7,116
Not easy. You'd have to get a bias pot installed (highly recommended) or have the bias resistor changed for every new pair of tubes.

These amps are notorious for running their EL84s way too hot. If nothing else, at least ask for a "low bias current" pair of tubes when ordering. This will keep you as safe as possible without rebiasing.
Thanx for the advise.
 




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