Tweed Pro Junior, new speaker and retubed!

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I finally got to install the Jensen speaker and retube my Tweed Pro Junior. And well, I'm LIKING THIS THING ALOT! :smokin:

Speaker is a Jensen P10Q, I never played it with a 10" before I ordered this one so I can't comment on how it compares to the stock speaker. As I wrote before I had it hooked up to the two greenbacks in my bluesbreaker combo and it really rocked through those. Someone wrote that I might even prefer the two greenbacks over a single 10" Jensen.

Well, first of I installed the speaker and tried it out with the old tubes in there. It sounded a little boxy but otherwise good! As I expected it to sound a little boxy I wasn't dissapointed at all. It was a real tight fit thought, the magnet is VERY close to the powertubes but it works, I dont' have the metal plate and springs mounted over the powertubes as it's that close to the tubes that I think it might cause it to rattle and make unwanted noises.

Cranked it up and it sang real nice, roaring tone with quite much gain actually. With the Jensen it sounded alot more Fendery like I wanted it to. Lots of that British voicing that it had through the Greenbacks was gone. And I love that, since I don't want the British sound from this one, but as much of the Tweed fender sound as possible. So I prefer the Jensen over the greenbacks.

I powered it off, let the tubes cool down and changed them out. It had Sovtek 12AX7WA in V1 and a Fender 12AX7A in V2. Powertubes were a pair of Sovtek EL84's. I put the following tubes in instead which I ordered from Tube Amp Doctor along with the Jensen speaker. (tube descriptions are from TAD's homepage)

Power tubes | TAD EL84-Cz PREMIUM Matched Pair: The EL84-Cz is the most powerful EL84 tube we ever heard. Big tone and very dynamic. Our recommendation, when best tone is what you're looking for.

V1 | TAD 12AY7/6072A Premium Selected: Vintage Tone, original from vintage Fender Tweed Amps. The original tube for all those Fender® Tweed amps from the 50's. Brings back the original sound to your, Tweed amp.

V2 TAD 12AX7WB-R Premium Selected: Very low noise but lower gain also. Recommended to solve microphonic problems.

Well, talk about change of tone guys. It's got the warmth and fullness just like I wanted it to, some would even say it's darker now. Really beautiful clean sound (even though that isn't what this ones made for ;) ). I keep the tone around 8 with my tele and to have the possiblity to use the guitars tone pot as well. Compared to the old tubes, now it breaks up later and does have significantly less gain when cranked. Which I think is a good thing as I thought it had too much with the old tubes.

It was quite noisey with the old tubes as well, alot less noise now. Not noise free but I never expected it to be that either. The plastic input jack is worn down and I'm going to replace it with a switchcraft when I get the time to, that might bring down the noise even more.

Haven't had the possiblity to play Thursday Burst through it yet but I can allready say that this is the amp for a telecaster, my Lite Ash Tele and the Tweed Pro Junior are made for each other, I'm completely sure about that! :D To complete this stripped down tele-tweedish rig of mine I've got a HAO Sole Pressure Overdrive pedal (tweed sounding OD pedal) on it's way from Germany, it'll hopefully be here by next weekend. So then we'll see how close to the tweed sound I'm going to land! ;)

Being a soundclip recorded who records quite alot of stuff I should of course provide some soundclips for you guys. But I'm sorry to say that I don't have the possiblity to do that right now. So you'll have to wait for that until maybe next weekend or something. Check back in this thread if you're interested as I'll post some links here as soon as I record something.

Damn I'm happy with this amp! Quite a deal as I paid the Pro Junior, the Jensen speaker and the preamp tubes with the money I got when I sold my Marshall AVT100 that had been a dust collector since over a year back :D
 
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Re: Tweed Pro Junior, new speaker and retubed!

Congrats! sounds like you made a better amp from an originaly good amp...

Eresseraca, you have touched a few points that I'm curious about- do lower output pre amp tubes (like 12AY7) with more powerful power amp tubes make your amp tone cleaner?
 
Re: Tweed Pro Junior, new speaker and retubed!

Got one of those with a blue back speaker. Need to get the tubes tweeked. But I love that amp!
 
Re: Tweed Pro Junior, new speaker and retubed!

the switch to a 12AY7 in that amp makes sense, since it's known for being a fairly gainy amp ... that's part of it's charm to a lot of folks, but 12AY7's add some sweetness, IMO.
 
Re: Tweed Pro Junior, new speaker and retubed!

That's the fun part, changing the sound of an amp. Making the sound yours, modding it to your ears.

I don't know of a tube amp that I didn't need to play with tubes and speakers to get exactly what I wanted.

Keep your extra speakers and tubes hanging around for your next amp.
 
Re: Tweed Pro Junior, new speaker and retubed!

You are so right guys! These are awsome amps for the money. And the tweakability is without doubt one of the best parts with tube amps! I saved the old tubes, but I bought it without speaker (to keep the price down), so I have no spare speaker for it or any future amps.

jazzerlbn, I actually don't know how if stronger power tubes combined with lower gain preamp tubes makes the amp tone cleaner. But as the lower gain output tubes gives a little more clean headroom it the breaks up at least a little later. Hopefully some tube expert chimes in and gives an awser to this!

You're absolutely right Curly, adding a 12AY7 in V1 will give this amp more sweetness and warmth.
 
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