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Post subject: Bluesky636: Hammond Organ GE 6V6GT Tubes in BDRI?
Posted: Thu Nov 04, 2010 3:32 pm
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Aspiring Musician
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I have an early 50's Hammond Chord Organ that's been in the family since new.
It uses a pair of GE 6V6 GT tubes which I think are from the early 60s
All the tubes are pre 1970 for sure.
It also has a ton of 12AU7 tubes from various mfgrs as well as a couple of of 12AX7s one being an RCA. (Sorry I don't have specifics at the moment)
Seems the collection of tubes may be worth more than the organ itself as it is not impressive by comparison of the legendary B3.
I think the rectifier tube is a Raytheon 5U4 but I may be mistaken. been awhile. (I know the BDRI doesn't use a tube rectifier)
We going to have to get rid of this organ one way or another before too long but it seemed the tubes were of some value. A pity but I thought what if I could just box it up and maybe some day tinker with it. Perhaps make a guitar amp out of it. LOL

I was reading about tubes in another thread and followed a link provided by you, Bluesky, I think, to eurotubes.
Parusing the site, I came upon this kit that says you can plug 6V6 tubes into the Blues Deluxe

Quote:
Fender Blues Deluxe-Deville 6V6 Option
Price: $60.25
Description: This kit will ONLY work in the new reissue Blues Deluxe and Blues Deville amps with adjustable bias! A matched pair of the JJ 6V6's to reduce the power for an earlier breakup along with three JJ ECC83S's with one balanced for the phase inverter in V3. These will reduce the power output of the amp and smooth out the mids and highs.

https://ssl.eurotubes.com/cart/index.ph ... ory_id=122


I was kinda curious what I might be able to do with some of these tubes
I presume I will need to check the bias with 6V6 install as I don't know their matched properties.
Here is the data that appears to be as close as I can find for the GE 6V6GT
http://frank.pocnet.net/sheets/093/6/6V6GT.pdf

Yea, nay?
What say you and what do you think I should expect IF I can use these tubes?


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Post subject: Re: Bluesky636: Hammond Organ GE 6V6GT Tubes in BDRI?
Posted: Fri Nov 05, 2010 6:29 am
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Rock Star
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Joined: Mon Apr 05, 2010 2:37 pm
Posts: 8708
Location: Natural Bridge, Virginia
Twinhit wrote:
I have an early 50's Hammond Chord Organ that's been in the family since new.
It uses a pair of GE 6V6 GT tubes which I think are from the early 60s
All the tubes are pre 1970 for sure.
It also has a ton of 12AU7 tubes from various mfgrs as well as a couple of of 12AX7s one being an RCA. (Sorry I don't have specifics at the moment)
Seems the collection of tubes may be worth more than the organ itself as it is not impressive by comparison of the legendary B3.
I think the rectifier tube is a Raytheon 5U4 but I may be mistaken. been awhile. (I know the BDRI doesn't use a tube rectifier)
We going to have to get rid of this organ one way or another before too long but it seemed the tubes were of some value. A pity but I thought what if I could just box it up and maybe some day tinker with it. Perhaps make a guitar amp out of it. LOL

I was reading about tubes in another thread and followed a link provided by you, Bluesky, I think, to eurotubes.
Parusing the site, I came upon this kit that says you can plug 6V6 tubes into the Blues Deluxe

Quote:
Fender Blues Deluxe-Deville 6V6 Option
Price: $60.25
Description: This kit will ONLY work in the new reissue Blues Deluxe and Blues Deville amps with adjustable bias! A matched pair of the JJ 6V6's to reduce the power for an earlier breakup along with three JJ ECC83S's with one balanced for the phase inverter in V3. These will reduce the power output of the amp and smooth out the mids and highs.

https://ssl.eurotubes.com/cart/index.ph ... ory_id=122


I was kinda curious what I might be able to do with some of these tubes
I presume I will need to check the bias with 6V6 install as I don't know their matched properties.
Here is the data that appears to be as close as I can find for the GE 6V6GT
http://frank.pocnet.net/sheets/093/6/6V6GT.pdf

Yea, nay?
What say you and what do you think I should expect IF I can use these tubes?


It is my understanding that you can only safely use JJ 6V6s in place of 6L6GCs. The JJ 6V6 is built to handle the higher plate voltages that a 6L6GC usually sees. The 6V6s in your organ (That sounds nasty. LOL) most likely will not handle the higher plate voltages.

Yeah, I looked at the link you provided. Don't waste your time. You will kill those 6V6s with the BDRI 430 volt DC plate voltage.

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Post subject:
Posted: Fri Nov 05, 2010 10:30 am
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Joined: Wed Feb 17, 2010 11:38 am
Posts: 4333
Location: Tennessee
Whatever you do,pull those tubes and try some out in the future when you need a certain type,some might sound good and still have quite a bit of life in them.....just don't pitch 'em.


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Post subject: Re: Bluesky636: Hammond Organ GE 6V6GT Tubes in BDRI?
Posted: Fri Nov 05, 2010 1:36 pm
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Aspiring Musician
Aspiring Musician

Joined: Fri Jun 11, 2010 12:33 am
Posts: 650
bluesky636 wrote:
Twinhit wrote:
I have an early 50's Hammond Chord Organ that's been in the family since new.
It uses a pair of GE 6V6 GT tubes which I think are from the early 60s
All the tubes are pre 1970 for sure.
It also has a ton of 12AU7 tubes from various mfgrs as well as a couple of of 12AX7s one being an RCA. (Sorry I don't have specifics at the moment)
Seems the collection of tubes may be worth more than the organ itself as it is not impressive by comparison of the legendary B3.
I think the rectifier tube is a Raytheon 5U4 but I may be mistaken. been awhile. (I know the BDRI doesn't use a tube rectifier)
We going to have to get rid of this organ one way or another before too long but it seemed the tubes were of some value. A pity but I thought what if I could just box it up and maybe some day tinker with it. Perhaps make a guitar amp out of it. LOL

I was reading about tubes in another thread and followed a link provided by you, Bluesky, I think, to eurotubes.
Parusing the site, I came upon this kit that says you can plug 6V6 tubes into the Blues Deluxe

Quote:
Fender Blues Deluxe-Deville 6V6 Option
Price: $60.25
Description: This kit will ONLY work in the new reissue Blues Deluxe and Blues Deville amps with adjustable bias! A matched pair of the JJ 6V6's to reduce the power for an earlier breakup along with three JJ ECC83S's with one balanced for the phase inverter in V3. These will reduce the power output of the amp and smooth out the mids and highs.

https://ssl.eurotubes.com/cart/index.ph ... ory_id=122


I was kinda curious what I might be able to do with some of these tubes
I presume I will need to check the bias with 6V6 install as I don't know their matched properties.
Here is the data that appears to be as close as I can find for the GE 6V6GT
http://frank.pocnet.net/sheets/093/6/6V6GT.pdf

Yea, nay?
What say you and what do you think I should expect IF I can use these tubes?


It is my understanding that you can only safely use JJ 6V6s in place of 6L6GCs. The JJ 6V6 is built to handle the higher plate voltages that a 6L6GC usually sees. The 6V6s in your organ (That sounds nasty. LOL) most likely will not handle the higher plate voltages.

Yeah, I looked at the link you provided. Don't waste your time. You will kill those 6V6s with the BDRI 430 volt DC plate voltage.


Appreciate your taking the time to answer this one.
I was somewhat skeptical and figured I'd ask.
So the JJ kit, above cited, would drop the output watts, allow for earlier breakup - would this give the BDRI a bluesier tone at the expense of volume and/or clean headroom now provided by the original 6L6's currently installed by chance? perhaps give the BDRI a somewhat Blues Jr characteristic? Am I correct in this assumption?


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Post subject:
Posted: Fri Nov 05, 2010 1:41 pm
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Aspiring Musician
Aspiring Musician

Joined: Fri Jun 11, 2010 12:33 am
Posts: 650
Rebelsoul wrote:
Whatever you do,pull those tubes and try some out in the future when you need a certain type,some might sound good and still have quite a bit of life in them.....just don't pitch 'em.


I've givin pulling the tubes consideration, however that's at the expense of the organ selling. Seems to me, the tubes, albeit used, alone would be worth more than the chord organ itself. Not sure how much.
I think we had it up for sale @ $100.00 and there's got to be about 20-30 tubes in there. Don' know the value of a used RCA 12AX7 or Raytheon 5U4 etc???


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Post subject: Re: Bluesky636: Hammond Organ GE 6V6GT Tubes in BDRI?
Posted: Fri Nov 05, 2010 2:52 pm
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Rock Star
Rock Star

Joined: Mon Apr 05, 2010 2:37 pm
Posts: 8708
Location: Natural Bridge, Virginia
Twinhit wrote:
Appreciate your taking the time to answer this one.
I was somewhat skeptical and figured I'd ask.
So the JJ kit, above cited, would drop the output watts, allow for earlier breakup - would this give the BDRI a bluesier tone at the expense of volume and/or clean headroom now provided by the original 6L6's currently installed by chance? perhaps give the BDRI a somewhat Blues Jr characteristic? Am I correct in this assumption?


I can't really answer your question since I stuck with the 6L6GC Blues package. I love the tone of that. With the lower gain ECC81 in V2 and using the #2 input, I can set my BDRI volume at 5 or 6 and get a sweet tone out of her. I use a modded Boss BD-2 or OD-3 for dirt and keep the amp clean. But hey, just give the guys at Eurotubes a call or send them an e-mail with your questions. They have always responded within a day or two to my e-mails. They will work with you to achieve the tone that you are looking for.

_________________
Bill

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Post subject: Re: Bluesky636: Hammond Organ GE 6V6GT Tubes in BDRI?
Posted: Fri Nov 05, 2010 6:28 pm
Offline
Aspiring Musician
Aspiring Musician

Joined: Fri Jun 11, 2010 12:33 am
Posts: 650
bluesky636 wrote:
Twinhit wrote:
Appreciate your taking the time to answer this one.
I was somewhat skeptical and figured I'd ask.
So the JJ kit, above cited, would drop the output watts, allow for earlier breakup - would this give the BDRI a bluesier tone at the expense of volume and/or clean headroom now provided by the original 6L6's currently installed by chance? perhaps give the BDRI a somewhat Blues Jr characteristic? Am I correct in this assumption?


I can't really answer your question since I stuck with the 6L6GC Blues package. I love the tone of that. With the lower gain ECC81 in V2 and using the #2 input, I can set my BDRI volume at 5 or 6 and get a sweet tone out of her. I use a modded Boss BD-2 or OD-3 for dirt and keep the amp clean. But hey, just give the guys at Eurotubes a call or send them an e-mail with your questions. They have always responded within a day or two to my e-mails. They will work with you to achieve the tone that you are looking for.


Thanks, I'll keep em in mind.
As it stands I kinda like the OE tubes for my classical. I think it sounds pretty good with the nylon strings. With my strat and LP it sounds good as well, but I think there may be some room for improvement for them.


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