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Post subject: 6V6 tubes instead of 6L6 in Hot Rod Deluxe
Posted: Wed Mar 25, 2009 12:22 am
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I have heard that 6V6 tubes give an early break up and reduce de watage to 30w. in a HRD, but reduce the life of the tubes because of the bias. Is it true? Any of you got these tubes? What about JJ Tesla 6V6 or JJ Tesla 6L6? Any experience?
Thank you very much.


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Posted: Mon Mar 30, 2009 5:49 pm
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Don't do it- the voltages going to the plates of the 6V6 will cause them to burn up.. Ifyou want break up at a lower volume, get an attenuator or lower powered amp.


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Posted: Mon Mar 30, 2009 7:03 pm
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It sounds like crap. I wouldn't bother. The best thing to do is get a Deluxe Reverb if you want less volume and more tone. It's a much better amp anyway.


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Posted: Tue Mar 31, 2009 8:12 am
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63supro wrote:
It sounds like crap. I wouldn't bother. The best thing to do is get a Deluxe Reverb if you want less volume and more tone. It's a much better amp anyway.

I think the needle on this record is skipping :wink:


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Posted: Tue Mar 31, 2009 10:57 am
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I'm not just talking the HRD, I'm talking any 6l6 amp that is not designed for 6v6 tubes generally sound like garbage. Ratboy, nobody's forcing you to read my posts. You could skip this record any time you want. :wink: :wink:

Besides, I've never complained about the way the Hot Rod series sounds.


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Posted: Tue Mar 31, 2009 4:01 pm
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To get great tone from an HRD, use the clean channel and set the volume to 8 and all tone controls to 5. It will be loud but the beefy tone will be there. Your distortion tones will always sound bad if the amp is turned down. Get ear plugs.


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Posted: Tue Mar 31, 2009 4:41 pm
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Guitarist1983 wrote:
To get great tone from an HRD, use the clean channel and set the volume to 8 and all tone controls to 5. It will be loud but the beefy tone will be there. Your distortion tones will always sound bad if the amp is turned down. Get ear plugs.


At that volume, you'll be killing all the small mammals in the local area. I've gigged with a HRDx, and could never get the volume over 3 without being to loud.


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Posted: Tue Mar 31, 2009 5:57 pm
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It doesn't really get too much louder after 4 or 5. Most of the volume is in the first third of the pot.


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Posted: Thu Apr 02, 2009 4:08 am
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63supro wrote:
I'm not just talking the HRD, I'm talking any 6l6 amp that is not designed for 6v6 tubes generally sound like garbage. Ratboy, nobody's forcing you to read my posts. You could skip this record any time you want. :wink: :wink:

Besides, I've never complained about the way the Hot Rod series sounds.


ups, to late! I bought a paor of 6V6. I will post my impressions. thanks


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Posted: Thu Apr 02, 2009 1:37 pm
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Be sure to adjust the bias properly. You need to figure out a few things like plate voltage and dissipation. It could be disastrous if you don't.


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Posted: Fri Apr 03, 2009 2:56 am
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63supro wrote:
Be sure to adjust the bias properly. You need to figure out a few things like plate voltage and dissipation. It could be disastrous if you don't.


thanks. I followed this information from eurotubes.com:

6V6S: Factory description: Gold plated control grid for improved fidelity. Special plate alloy improves performance over any 6V6. This tube has the ability to handle 450 plate volts in triode mode and 500 plate volts in pentode mode!

My observation: This tube has spectacular performance capabilities! This is truly one of the best 6V6 tubes I have ever auditioned. They have a amazing low frequency extension without getting boomy and a high end much like an RCA until they get into saturation where they are more like the old Sylvania 6V6's only fuller and a bit more focused. Absolutely wonderful in Deluxe Reverbs!

These are also just the thing for Fender Hotrod Deluxe amps if you want less power and an earlier breakup. The JJ's can handle the plate voltages with ease! DO NOT try this with the sovtek or the EH or new tungsol 6V6's, these are all sovtek tubes and cannot handle the higher plate voltages.


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Posted: Fri Apr 03, 2009 6:41 am
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JJ's are great tubes and I also deal with Bob at Eurotubes. I've never had good luck with 6v6 tubes in a 6l6 designed amp. An attenuator would be your best bet. I used JJ's in a Deluxe Reverb I had and they were amazing sounding. A buddy of mine tried them in his HRDlx and the breakup didn't sound that good. The thing to realize is a 20 watt amp is not half as loud as a 40 watt amp. I've been blown off the stage by a cranked Deluxe Reverb just because the amp had more "cut" in the mix.

Just watch you don't red plate the tubes. Good luck. You might really like the way it sounds.


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Posted: Tue Apr 07, 2009 9:26 am
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63supro wrote:
JJ's are great tubes and I also deal with Bob at Eurotubes. I've never had good luck with 6v6 tubes in a 6l6 designed amp. An attenuator would be your best bet. I used JJ's in a Deluxe Reverb I had and they were amazing sounding. A buddy of mine tried them in his HRDlx and the breakup didn't sound that good. The thing to realize is a 20 watt amp is not half as loud as a 40 watt amp. I've been blown off the stage by a cranked Deluxe Reverb just because the amp had more "cut" in the mix.

Just watch you don't red plate the tubes. Good luck. You might really like the way it sounds.


beat me to it, but your right JJs 6v6s handle the plate voltage of a 6L6, and if you put a dummy jack in the external speaker you can run factory bias, the 6v6 wants to see twice the ohmage of a 6L6, the transformer on a hot rod deluxe goes to 4 ohms when the external speaker plug has a jack in it. So its really easy to go back and forth between the 6L6 and 6v6.


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Posted: Tue Apr 07, 2009 11:25 pm
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austinrocks wrote:
63supro wrote:
JJ's are great tubes and I also deal with Bob at Eurotubes. I've never had good luck with 6v6 tubes in a 6l6 designed amp. An attenuator would be your best bet. I used JJ's in a Deluxe Reverb I had and they were amazing sounding. A buddy of mine tried them in his HRDlx and the breakup didn't sound that good. The thing to realize is a 20 watt amp is not half as loud as a 40 watt amp. I've been blown off the stage by a cranked Deluxe Reverb just because the amp had more "cut" in the mix.

Just watch you don't red plate the tubes. Good luck. You might really like the way it sounds.


beat me to it, but your right JJs 6v6s handle the plate voltage of a 6L6, and if you put a dummy jack in the external speaker you can run factory bias, the 6v6 wants to see twice the ohmage of a 6L6, the transformer on a hot rod deluxe goes to 4 ohms when the external speaker plug has a jack in it. So its really easy to go back and forth between the 6L6 and 6v6.


Thank you very much. Very interesting. But if I put a dummy jack in the external speaker to run factory bias with 6V6, Will it sound the same that without the dumy jack and the amp rebiased for 6V6? I mean, same tone... Does the impedance afect to the speaker (a 8ohm Celestion)? Thanks.


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Posted: Mon Apr 20, 2009 6:49 pm
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I put in the 6v6 Blues #2 set from Eurotubes in my HRDx and it totaly rocks. Even the distorted channels are usable now, not garbage crunch. And I am not using any dummy jacks, just rebiased to 50 mV.


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