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Old 02-01-2013, 09:58 PM   #1
George Juggles
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Need Tubes for My Amp

My amp is a Peavey Classic 30, and I need new tubes. Where is the best place to get them? I checked out Eurotubes, but shipping was anywhere from $27 to $50. Anywhere else? I like how at Eurotubes the tubes came in sets.

Thanks
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Old 02-01-2013, 11:16 PM   #2
Blktiger0
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Dougstubes is a good place to look as well as tubedepot

In addition, if you aren't looking for anything odd or NOS, you can usually pick up tubes at your local shop, if you don't want to pay shipping.
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Old 02-02-2013, 01:47 AM   #3
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+1

Places like www.dougstubes.com do not charge much if anything to ship tubes anyway. Not that I remember. You have a better chance of getting good/tested/matched tubes from a distributor like that (or tubestore and eurotubes) then a local place.

I've had great experiences with Dougs tubes. Eurotubes only sells JJ's. Not that there is anything wrong with that.

How do you know you need new tubes and what if anything would you change about its tone?

make sure you order matched power tubes. preamp tubes don't matter so much as far as their marketing 'rating'
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Old 02-02-2013, 11:05 AM   #4
George Juggles
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One of the tubes is microphonic, so I don't need to replace them but they're the stock tubes so it will make it sound better.

Things I'd like to change: It can have "ice picky" highs, and the bass is a bit thin, so I'd like to get a thicker bass response andsmoother high's.

I'd like to get a good blues/rock sound out of it.

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Old 02-02-2013, 11:08 AM   #5
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Quote:
Originally Posted by George Juggles
My amp is a Peavey Classic 30, and I need new tubes. Where is the best place to get them? I checked out Eurotubes, but shipping was anywhere from $27 to $50. Anywhere else? I like how at Eurotubes the tubes came in sets.

Thanks
George Juggles

I have ordered tubes and other things from Eurotubes and they are average price for shipping.
www.tubedepot.com
They even have a sale on SED =C= tubes right now.
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Old 02-02-2013, 11:20 AM   #6
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Quote:
Originally Posted by Robbgnarly
I have ordered tubes and other things from Eurotubes and they are average price for shipping.
www.tubedepot.com
They even have a sale on SED =C= tubes right now.


I'm not is the US, so it's International Shipping
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Old 02-02-2013, 12:23 PM   #7
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Quote:
Originally Posted by George Juggles
One of the tubes is microphonic, so I don't need to replace them but they're the stock tubes so it will make it sound better.

Things I'd like to change: It can have "ice picky" highs, and the bass is a bit thin, so I'd like to get a thicker bass response andsmoother high's.

I'd like to get a good blues/rock sound out of it.

George Juggles

See if you can get some JJ's from www.hotroxuk.com



you are in Canada?

well then just hit up:
www.dougstubes.com
www.thevalvequeen.com
www.tubedepot.com
www.eurotubes.com
www.thetubestore.com

I wouldn't pay $35 in shipping. Find a local place or go to eBay

I wouldn't pay any attention to all the preamp tube descriptors. Just get a base (cheapest) tube. Get a JAN Phillips 5751 too if you can find/afford one.
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Old 02-02-2013, 01:02 PM   #8
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From Dougs tubes, shipping is $35 to Canada.
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Old 02-02-2013, 01:49 PM   #9
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What do the different options with the preamp tubes do?

i.e. Matching, Balanced Triodes, Low noise and Microphonics.
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Old 02-02-2013, 08:48 PM   #10
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Old 02-02-2013, 11:27 PM   #11
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See post 5 of this thread:

http://www.audiobanter.com/showthread.php?t=52573

I found that about 14 seconds after searching google for:

'where to buy tubes in canada'
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Old 02-02-2013, 11:58 PM   #12
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Quote:
Originally Posted by George Juggles
What do the different options with the preamp tubes do?

i.e. Matching, Balanced Triodes, Low noise and Microphonics.
Matched: only relevant with power tubes and then it's necessary.
Balanced: ideally what you want in the phase inverter.
Low noise: it's got less noise. Good for V1.
Low microphonics: means they'll last longer and is generally a good thing.

Low noise and microphics is a loaded question though.
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Old 02-03-2013, 05:45 PM   #13
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I'll probably get the tubes from the tube store. What are the tubes that you would reccomend?
I need 3 12AX7's, and 4 EL84's. For blues and rock, nothing too heavy. Want a solid low end and don't want harsh highs.
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Old 02-03-2013, 05:47 PM   #14
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JJ ecc83 and JJ el84.
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Old 02-03-2013, 07:12 PM   #15
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Quote:
Originally Posted by Robbgnarly
JJ ecc83 and JJ el84.
+1
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Old 02-03-2013, 07:20 PM   #16
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Quote:
Originally Posted by Cathbard
Matched: only relevant with power tubes and then it's necessary.


Not really. Depends entirely on your amp. Since your PI is never balanced, and the tubes will drift, it's not really critical. I've biased tubes in my Flexi 20+mA apart and there isn't a terribly significant drop in performance, and some might even prefer the asymmetrical distortion that results. Though you'd have a tough time finding sets that aren't matched these days, and most stores don't charge extra for it, so no big deal.

Quote:
Balanced: ideally what you want in the phase inverter.


The PI isn't balanced in the first place. Pointless.

Quote:
Low noise: it's got less noise. Good for V1.


Agreed.

Quote:
Low microphonics: means they'll last longer and is generally a good thing.

Low noise and microphics is a loaded question though.


The problem with low microphonics tubes is that while they might not have any mechanical problems now, it's no guarantee against problems in the future. Save the money, IMO.
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Old 02-03-2013, 07:32 PM   #17
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Quote:
Originally Posted by mmolteratx
The PI isn't balanced in the first place. Pointless
True but there's no point unbalancing it even further. On average you are better off. I normally pick the most balanced one by ear using an ABY pedal in front of one of my 18W'ers so I don't really care much.
But like I said - "ideally". In practice, not really critical but in an ideal world with 1% resistors, it's preferable.
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Old 02-03-2013, 07:38 PM   #18
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Quote:
Originally Posted by Cathbard
True but there's no point unbalancing it even further. On average you are better off. I normally pick the most balanced one by ear using an ABY pedal in front of one of my 18W'ers so I don't really care much.
But like I said - "ideally". In practice, not really critical but in an ideal world with 1% resistors, it's preferable.


But who's to say that balancing transconductance and mu for each side is getting it any closer to balanced? Plus they'll vary with age, and either drift so that performance is closer, or so that it's even more unbalanced. There's really no point to it.
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Old 02-03-2013, 07:42 PM   #19
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That's why I said, "ideally". In practice I agree.

Edit: btw, I was just trying to keep it simple, partly because the ts is a novice and partly because I'm typing on a touch screen with long nails on my right hand which is a tad onerous.

The main reason matched power tubes matters is ease of biasing. That depends on the amp of course. In this case it doesn't really matter though. As a general statement, matched is best.
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Old 02-03-2013, 09:16 PM   #20
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