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need new tubes asap
Message Board > Gear Buy & Sell > need new tubes asap
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SPENCER
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kk gotta 75 fender super reverb and the tubes are shittin out i need some asap for some recording tommorow just wondering if ya had a pair of descent 6l6 tubes that work. badly. will pay appropriatly.

SOS! - Thu, 10 Mar 2005 5:16pm
laprider
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get a hold of pacific organ? in esquimalt they are in the book i think. In a guys house . He is one of the worlds biggest sources of quality NOS tubes has a tester right there.

or if your stuck email me...

I'll swap your mom for tubes - Thu, 10 Mar 2005 5:52pm
SPENCER
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i dont want to pay 75 bucks for fender groove tubes either but how much would pacific organ sell em for??? used new? kk il email you but youl want money not my mum trust me! - Thu, 10 Mar 2005 5:56pm
Laprider
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386-4283 is his # - Thu, 10 Mar 2005 6:00pm
SPENCER
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thnx il try it but i emailed you. - Thu, 10 Mar 2005 6:02pm
[+}
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kids. don't buy used output or power tubes.
unless you want a much more expensive problem on your hands. (see: blown output transformer)

groove tubes baby. 50 dollars for the ruskies. - Thu, 10 Mar 2005 6:57pm
jenko
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no used tubes...
i've tried sovtek, electro-harmonix, groove tubes, and jj's in several amps, and the winner is: jj's all all fronts! guess what: they're cheaper than groove tubes by a bunch, too. i don't know if anyone has them here but avenue guitars in edmonton has them, and what you'll spend on shipping you'll save in price and sales tax.
their #: 780.448.4827 - Thu, 10 Mar 2005 7:38pm
Lucius
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Hey needs them by tomorrow for recording though. I get mine from http://www.tubestore.com
Cheers Lucius - Thu, 10 Mar 2005 7:42pm
sixty cycle hum
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If you want your amp to sound good and the tubes to last you should always get the amp re-biased when you change power tubes. I could be wrong but it may also be harmful to some amp components to swap out tubes without biasing. There is a guy named David Brand who lives just south of Nanaimo and he knows more about different tubes/brands than anyone. He sells Tesla's, Svetlana's and Groove Tubes. I take my amps to him because he is faster than anyone in town and really knows his stuff. If you are ever out that way give him a call he will probaly bias the amp while you wait. If you take your amp to someone in Vic, it could be weeks before you get it back. His e-mail is [email protected] - Fri, 11 Mar 2005 4:28pm
odb
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The guitarist in my band has a fender super reverb as well, when it has new tubes he plays it with the volume on 3, when the tubes are old it creeps up to 7. I have to agree about the biasing. Why waste your money on new tubes if you arn't going to get it profesionally biased. - Fri, 11 Mar 2005 11:25pm
steve
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did you talk to pacific organ yet,
I got jjs off him for marshall and mesa less than a week.
he sometimes will order extra cause its cheaper for him.
If I need 4-6 he will order 10 they will sell. - Fri, 11 Mar 2005 11:40pm
SPENCER
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got some tubes but im waitin on gettin t biased thnx for the tips. - Sat, 12 Mar 2005 12:25pm
[+}
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with groove tubes, biasing isn't as important. there's always guess work with other tube companies. groove tubes are industry standard for a reason IMO.

i think the 12AX7M mullard reissues are some of the most musical and crunchy tubes being produced. and the 6L6's are always sounding great.

but JJ's are pretty good consistently. - Sat, 12 Mar 2005 12:47pm
SPENCER
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i c - Sat, 12 Mar 2005 1:35pm
sixty cycle hum
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If your amp has any tubes, including a set of Groove Tubes that you didn't know the rating number for, it would be best to have it rebiased. Groove Tubes come with just as wide a range as any other tube so just using this brand doesn't get you anything. As far as the "industry standard" part goes, with the exception of their 6L6GE, I think all of their tubes are just sorted and re-branded foreign tubes which can range from near junk to pretty good tubes for new production. - Sun, 13 Mar 2005 10:15am
ML7Mike
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I think JJ's can be bought in Vancouver, Ho's Electronics perhaps? I cant remember from where, but a few years ago Tony O. scored a set of them for his JCM 900 from Vancouver and they most certainly were NOT cheaper than Groove Tubes!

I just go to L and M and buy the Mesa Boogie 6L6's but not sure how those would sound in another amp.

However I put a Mesa 12ax7 into my Marshall Valvestate 40 practice amp and wow did it ever breath a fresh sound into it! Maybe cuz the old pre was about 7 years old heh.. - Sun, 13 Mar 2005 10:40am
[+}
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the american groove tubes are industry standard. talk to any professional amp tech, they are standard becasue they are consistently anti-microphonic, low noise, and usually good sounding. i'm not saying they are perfect, becuase there are exceptions. for example: the russian EL34's have had problems in amps that i've tried. the 6L6GE is a fantastic tube, and i'm glad i spent the money on tubes that have lasted me quite awhile. and i like the fact that GT's are rated, because honestly, rebiasing your amp all the time is anal. - Sun, 13 Mar 2005 11:24am
laprider
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oh the eternal tube debate....hmmm groove tubes are infact simply just labeled as such. Mesa tubes are manufactured for mesa.....
Biasing is important...but a good amp ie boogie, or newer amps as such are all self biasing..old fenders and marshalls they do need biasing, or simply get the same rated tubes..used tubes can be trouble, you can't mismatch them, but can run matched pairs.
I have tried a lot of brands of tubes...I always get my tubes from p organ
A) he knows me and cuts me great deals.
b) has the nos tubes I prefer and allows me to bench test them right there.
c) I can walk to his house
d) have to trust a guy that for free gets betty the hammond running again after the fire above hermanns torched her somewhat.

just my two bits having said that 90% of guitarists would proboaly shit if they actually put new tubes in their amps once in a while - Sun, 13 Mar 2005 11:34am
SPENCER
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with that said i think i just shat ma pants! - Sun, 13 Mar 2005 1:01pm
sixty cycle hum
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Laprider makes an excellent point in that some amps are self-biasing. Vintage Fender amps, like the 75' Super referred to in this post, are not self biasing and it is not necessarily anal to get a 30 year old tube amp re-biased when changing tubes. There are obviously different opinions about this and I'm not saying other views aren't valid but for my money when I'm spending $200+ to get my amp re-tubed I don't mind spending the extra $30 for biasing and there are two reasons for this:
a) running a tube too hot or too cold may prevent a tube from sounding its best.
b) running a tube too hot will shorten the life of the tube significantly.
Why spend the big money for tubes and not get full value?
Its like maintenance on your car, some people(like me) change the oil and rotate the the tires every 6,000k, others think it is a waste of time. You can get 10 years out of a set of spark plugs and a fuel filter if you aren't concerned about top performance, reliability and fuel economy. Likewise, you can go forever without biasing your amp if you aren't concerned about shortened tube life, shortened component life and less than perfect tone. Also I wouldn't necessarily dispute the fact that Groove Tubes are the industry standard, I was just pointing out the irony that many Groove Tubes are manufactured by Sovtek or another company--they will often have a Sovtek as well as a GT stamp on the tube. The 6L6GE is a great tube and I had a matched quad in my twin reverb. Is the rating system with Groove Tubes the colour coded scheme (red, white, blue) that they have? If so, wouldn't you need to test the plate voltage the amp is running in order to use the correct clour coded tube? - Sun, 13 Mar 2005 4:11pm
laprider
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good points, I certainly wasn't implying that one not bias their amp..
which brings something up...the basics.
if you are serious about guitar palying you should know your tools.
Being able to set up and intonate your guitar is super easy, lots of info on the net...NO-ONE should ever pay any else to set up their guitar if they really want it right.
Basic amp knowledge helps...sticking a screwdriver into a tube amp even unplugged can be dangerous, but one should at least be able to troubleshoot their amp.
Biasing an amp is one of the more simple jobs..you need a basic meter and one flathead screwdriver.
This city Is serioulsly lacking a GOOD amp tech...if anyone had some basic electronics knowledge you should look into this its an untapped market.
Ho is great but in Van
same with Dave Vidal.
But taking an amp to van is a pain.
Be like me go acoustic haha! - Sun, 13 Mar 2005 10:25pm
ML7Mike
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My Mesa made TWO trips to Ho's last month :(

All hail the 5 year warranty and L and M's loaner amp.

First issue was a blown FET ( but I changed all the tubes before sending it )

Second issue was a toasted Power tube ( go figure, I didnt do the simple test and change the tubes again )

the FET went one jam after finishing a Canada tour.. close, so close. ( and yes it travels in a case )

Got a bunch of spare power tubes now tho hehe - Mon, 14 Mar 2005 10:11am
[+}
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here's what i was saying about the re-bias being anal:
if run through a number of different tubes through my super before deciding on 6L6GE's and 12AX7M's. i didn't feel the need to bias the amp again, because the amp had 7's before (GT rating) and i found it easy to find (audibly) where my tubes were sitting in the hot-cold spectrum. i like my tubes on the hotter side, but that is just personal preference. and yes, true; GT gets some of their stock from Sovtek and other manufacturers, but the american GT's are where it's at. i want to say end of story, but opinions will rise! i like NOS as well, but have decided against paying dearly for them when a new tube has years and years of research and improvement to classic designs. - Mon, 14 Mar 2005 12:53pm
sixty cycle hum
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I hear what you are saying some amp tech's adjust the bias on an amp based on sound. However, its also true that many tubes sound their best just before they burn up and blow. Spencer I hope at the very least you will have a look at your tubes to make sure they are not glowing red. - Mon, 14 Mar 2005 4:26pm
jenko
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some info on biasing:
class a amps matter less, as all power tubes run all the time. a class a/b amp, like most fender, marshall, mesa, etc. will need bias adjustment because the plate voltages must match between tubes. this is because the power alternates back and forth between 2 tubes (lower wattage amps) or pairs of tubes (higher wattage, like a super). if the amp is not biased, it likely will sound like shit! once it has been biased, you can then replace tubes with the SAME VOLTAGE only, like gt's, jj's or electro-harmonix without further adjustment. just because the tubes are matched when you buy them, it doesn't mean the amp will already be biased accordingly, especially if it an older amp, when the tubes were not usually matched before going in, and therefore required bias adjustment... - Mon, 14 Mar 2005 6:47pm
SPENCER
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i gotta 67 fender bandmaster and i think those tubes might be glowing red after about 2 hours of playing?? uh oh? - Mon, 14 Mar 2005 7:17pm
jenko
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how red?
if the plate voltage is way too high, they will even get orangy-red, and the whole thing will light up, with the filament looking almost white-hot...
if this is you, turn it off! - Mon, 14 Mar 2005 11:16pm
SPENCER
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the filament is definately not white hot its orange so i guess its not good but its not bad?? - Tue, 15 Mar 2005 8:53am
jenko
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if the glass itself is turning a solid orangy-red, like a stove element cranked right up, as opposed to a light glow, turn it off! - Tue, 15 Mar 2005 10:05am
SPENCER
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nope nothin like that - Tue, 15 Mar 2005 5:13pm
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