JJ Tube ???

Redd_Tyde

Joined: Apr 23, 2006
Posts: 260
Oceanside, CA
1 POTD Pin

Posted on Feb 13 2008 05:43 PM

So, I am digging through my box of tubes when replacing a tube in my reverb unit when I come across two JJ Tubes that I don't know what they a compatible with (application wise).

So, hoping the gurus here can help me out.
The tubes are a:
JJ ECC83 S
JJ ECC81

thanks in advance.
RT

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estreet

Joined: Mar 17, 2007
Posts: 839
United Kingdom
1 POTD Pin

Posted on Feb 13 2008 05:50 PM

Those are the British numbers for 12AX7 and 12 AT7 respectively. The 'S' denotes that the ECC83 is a copy of the Telefunken frame grid design.

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dp

Joined: Feb 26, 2006
Posts: 3546
mojave desert, california
United States

Posted on Feb 13 2008 05:52 PM

ECC83 is equivalent to: 12AX7 or 7025
ECC81 is equivalent to: 12AT7

http://thetubestore.com/tubesbytype.html

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Redd_Tyde

Joined: Apr 23, 2006
Posts: 260
Oceanside, CA
1 POTD Pin

Posted on Feb 13 2008 05:55 PM

Cool. Thanks guys.
Now off to see if there are any tonal differences with one of my tanks.

Thanks again.
_RT

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JoshHeartless

Joined: Jun 17, 2006
Posts: 1010
Bay City, Michigan
United States

Posted on Feb 13 2008 07:38 PM

ReddTyde_
Cool. Thanks guys.
Now off to see if there are any tonal differences with one of my tanks.

Thanks again.
_RT

there won't be a difference. they are the same tube, just labeled differently.

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Redd_Tyde

Joined: Apr 23, 2006
Posts: 260
Oceanside, CA
1 POTD Pin

Posted on Feb 13 2008 08:09 PM

JoshHeartless

ReddTyde_
Cool. Thanks guys.
Now off to see if there are any tonal differences with one of my tanks.

Thanks again.
_RT

there won't be a difference. they are the same tube, just labeled differently.

You'd be surprised. There was a huge difference when I switch to a NOS 12AT7 from the standard Groove Tubes in my RI Tank. Took off some of the high end bite that was really annoying.

_RT

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JoshHeartless

Joined: Jun 17, 2006
Posts: 1010
Bay City, Michigan
United States

Posted on Feb 13 2008 08:34 PM

yeah, there are definite tonal differences between brands, but as far as a JJ 12AX7 compared to a JJ ECC83 there will no no difference at all.

for the best tone, go with vintage GE tubes...those are the best!

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Redd_Tyde

Joined: Apr 23, 2006
Posts: 260
Oceanside, CA
1 POTD Pin

Posted on Feb 13 2008 09:22 PM

JoshHeartless
yeah, there are definite tonal differences between brands, but as far as a JJ 12AX7 compared to a JJ ECC83 there will no no difference at all.

for the best tone, go with vintage GE tubes...those are the best!

Yeah, but it is getting harder to find relieable sources for the vintage ones. Sucks when you get a tube and it is dead in the box.

I was switching brands in my tank. It still had the Fender stock GT tubes in it. Seeing if it would smooth things out when the OD is kicked in.

Seems to be working alright now, but gotta get it to stage volume to really see. Just don't think the neighbors would care too much for that right now.

_RT

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diceophonic

Joined: May 20, 2006
Posts: 2174
PacNW (Vancouver, Wa U.S.A.)
United States

Posted on Feb 13 2008 10:42 PM

JJ's are the way to go for vintage tone!!! besides NOS but I have learned my lesson with using NOS they are never that reliable especially when you need them the most at a "Gig" F$^###@$#@# that $hit

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-Kyle

Beyond The Surf YouTube channel
Beyond The Surf Instagram
The Verbtones @ Instagram
The Verbtones @ Facebook
The Verbtones @ bandcamp

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Redd_Tyde Joined: Apr 23, 2006 Posts: 260 Oceanside, CA	Posted on Feb 13 2008 05:43 PM So, I am digging through my box of tubes when replacing a tube in my reverb unit when I come across two JJ Tubes that I don't know what they a compatible with (application wise). So, hoping the gurus here can help me out. The tubes are a: JJ ECC83 S JJ ECC81 thanks in advance. RT Top
estreet Joined: Mar 17, 2007 Posts: 839 United Kingdom	Posted on Feb 13 2008 05:50 PM Those are the British numbers for 12AX7 and 12 AT7 respectively. The 'S' denotes that the ECC83 is a copy of the Telefunken frame grid design. — http://www.myspace.com/thepashuns Youth and enthusiasm are no match for age and treachery. Top
dp Joined: Feb 26, 2006 Posts: 3546 mojave desert, california	Posted on Feb 13 2008 05:52 PM ECC83 is equivalent to: 12AX7 or 7025 ECC81 is equivalent to: 12AT7 http://thetubestore.com/tubesbytype.html Top
Redd_Tyde Joined: Apr 23, 2006 Posts: 260 Oceanside, CA	Posted on Feb 13 2008 05:55 PM Cool. Thanks guys. Now off to see if there are any tonal differences with one of my tanks. Thanks again. _RT Top
JoshHeartless Joined: Jun 17, 2006 Posts: 1010 Bay City, Michigan	Posted on Feb 13 2008 07:38 PM ReddTyde_ Cool. Thanks guys. Now off to see if there are any tonal differences with one of my tanks. Thanks again. _RT there won't be a difference. they are the same tube, just labeled differently. — The Tremblors on Facebook! The Tremblors on MySpace! Top
Redd_Tyde Joined: Apr 23, 2006 Posts: 260 Oceanside, CA	Posted on Feb 13 2008 08:09 PM JoshHeartless ReddTyde_ Cool. Thanks guys. Now off to see if there are any tonal differences with one of my tanks. Thanks again. _RT there won't be a difference. they are the same tube, just labeled differently. You'd be surprised. There was a huge difference when I switch to a NOS 12AT7 from the standard Groove Tubes in my RI Tank. Took off some of the high end bite that was really annoying. _RT Top
JoshHeartless Joined: Jun 17, 2006 Posts: 1010 Bay City, Michigan	Posted on Feb 13 2008 08:34 PM yeah, there are definite tonal differences between brands, but as far as a JJ 12AX7 compared to a JJ ECC83 there will no no difference at all. for the best tone, go with vintage GE tubes...those are the best! — The Tremblors on Facebook! The Tremblors on MySpace! Top
Redd_Tyde Joined: Apr 23, 2006 Posts: 260 Oceanside, CA	Posted on Feb 13 2008 09:22 PM JoshHeartless yeah, there are definite tonal differences between brands, but as far as a JJ 12AX7 compared to a JJ ECC83 there will no no difference at all. for the best tone, go with vintage GE tubes...those are the best! Yeah, but it is getting harder to find relieable sources for the vintage ones. Sucks when you get a tube and it is dead in the box. I was switching brands in my tank. It still had the Fender stock GT tubes in it. Seeing if it would smooth things out when the OD is kicked in. Seems to be working alright now, but gotta get it to stage volume to really see. Just don't think the neighbors would care too much for that right now. _RT Top
diceophonic Joined: May 20, 2006 Posts: 2174 PacNW (Vancouver, Wa U.S.A.)	Posted on Feb 13 2008 10:42 PM JJ's are the way to go for vintage tone!!! besides NOS but I have learned my lesson with using NOS they are never that reliable especially when you need them the most at a "Gig" F$^###@$#@# that $hit — -Kyle Beyond The Surf YouTube channel Beyond The Surf Instagram The Verbtones @ Instagram The Verbtones @ Facebook The Verbtones @ bandcamp Top

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JJ Tube ???