For Sale: Joule Electra LA-100
maxward
Posts: 1,583
A system downsizing requires that I sell this classic Joule Electra LA-100, serial number 041. This is an original version, not Mark xx. I am the second owner, purchased in 2013. A trusted tech replaced the caps in the power supply side and cleaned the pots and switches in 2019. New power supply tubes were also installed then. In June 2020, a pair of RCA black plate 5751s were installed. 
Asking $700.00 net to me. PayPal friends and family. Thanks for looking.
Asking $700.00 net to me. PayPal friends and family. Thanks for looking.
Comments
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Nice!
I like the silver knobs a lot better than the gold ones Jud started using after your model. When I had my MkII I swapped out the gold knobs for silver.
Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
Where are you located? I’m at 60613 if you can send me a PM with shipping costs.
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PM sent. I sold my MG 3.6 Rs last fall. Then last week I sold the Odyssey Khartago amps. Do I miss them? Yeah, sometimes. But something tells me that selling this piece will be something I will really regret, because when I got it, it made such a huge impact.
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Bump. This would drive a pair of ANK monoblocks really nicely.
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Interested…..what tubes does this take?
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Two each: 6EM7; OA2; 5751.
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Two each: 6EM7; OA2; 5751.
Man I have none of those. Want to get back into a tube rolling pre. Thanks -
@kevhed72 Respectfully, this is a special pre at a great price, I'm pretty sure you would love it. Tube rolling or not.
Also I believe 5751 can be rolled with 12AX7. -
I have spares of all tubes. Three 5751s: two are GE JAN which I bought prior to the RCAs; one is a Sylvania that was in it when bought in 2013, but tested good. Also a spare set of the others, which I can dig out and identify if interested. I just have the 5751s memorized.
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Nice pre at an awesome price! GLWTS.Gustard X26 Pro DAC
Belles 21A Pre modded with Mundorf Supreme caps
B&K M200 Sonata monoblocks refreshed and upgraded
Polk SDA 1C's modded / 1000Va Dreadnaught
Wireworld Silver Eclipse IC's and speaker cables
Harman Kardon T65C w/Grado Gold. (Don't laugh. It sounds great!)
There is about a 5% genetic difference between apes and men …but that difference is the difference between throwing your own poo when you are annoyed …and Einstein, Shakespeare and Miss January. by Dr. Sardonicus -
I can't believe this is still here.HT SYSTEM-
Sony 850c 4k
Pioneer elite vhx 21
Sony 4k BRP
SVS SB-2000
Polk Sig. 20's
Polk FX500 surrounds
Cables-
Acoustic zen Satori speaker cables
Acoustic zen Matrix 2 IC's
Wireworld eclipse 7 ic's
Audio metallurgy ga-o digital cable
Kitchen
Sonos zp90
Grant Fidelity tube dac
B&k 1420
lsi 9's -
Look at the bright side, 6EM7 and OA2 are dirt cheap tubes. The 5751 is a 12ax7 with less gain, they're the only pricey tubes in it.
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PM sent
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Responded. In a holding pattern for now.
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Mike,
Thanks for taking the time last week to chat about the pre. PM sent.... -
Sale is pending.
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Can 12au7 / ax7 be safely rolled in the place of the 5751, aside from the gain differences? I have a decent collection of au7s I will be tempted to roll in at some point….Look at the bright side, 6EM7 and OA2 are dirt cheap tubes. The 5751 is a 12ax7 with less gain, they're the only pricey tubes in it.
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I will defer to others here. I have only used 5751s in mine, but I believe any 12ax7 variant will work.
Edit: Personally, I’d stick with the 5751 or lower gain variants, because with my Odyssey amps I was never able to used more than the lower half of the volume control. -
SOLD! Thank you, @kevhed72 .
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I would not use a 12AU7 in place of a 5751 or 12AX7. Those circuits are designed a certain way and while some swapping of similar variants are ok. 12AX7 and 12AU7 are different enough that it won't sound right.
I recently accidentally did just that in my pre. It uses (2) 12AX7' s and (4) 12AU7's. I wasn't thinking and put in an extra pair of 12AX7's in one of the 12AU7 spots. Played some music and thought WTF, then realized what I had done.
Short term there may no be damage to the tube or the circuit since they are wired the same, but long term who knows.........
H9
P.s. If you do decide to do that against recommendations, it's not going to blow up. But again long term use, who knows."Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul! -
Thank you.
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I would stick with the 5751. Jud knew what he was doing.Political Correctness'.........defined
"A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."
President of Club Polk -
I use a pair of 5751's in place of12AX7's in my pre. I can say late 50's Tung Sol 5751 gray plates are excellent tubes. Liquid, controlled, focused and great bass extension. Highly recommended.
H9"Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul! -
This arrived last week in perfect shape-thanks Mike for a flawless transaction. It took me awhile to settle in with the Joule and wrap my mind around what I was hearing. This pre is up there with the Belles 350A amp and Benchmark DAC2 are as game changer components I have owned. More to come but very happy I pulled the trigger on this pre.
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I’m glad that it stayed here. The principal reason that I joined this forum was that there are (and, sadly, were) several people here with experience with Joule Electra. I hope that it gives you years of service.
