5881 > EL34 conversion

surfdog777

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Getting my 93 JCM900 converted from 5881s to JJ EL34s.
Picking up from the shop on Monday. Was just curious if anyone else had made the same conversion.
 

Guv'nor

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I did it to my 30th Anniversary. It was ok with the 5881/6L6 and now is a Marshall beast with the EL34

Well done dude!

:)
 

surfdog777

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Cool......I have always dug the EL34s. The head needed re-tubing anyway, so I figured why not go ahead and go for it.
 

jcm900

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I want to hear a jcm 900 with EL34. Where can I get it?
I have listened that EL34 has better sound than 5881, is it true?

Thank you
 

Guv'nor

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It is a very easy mod. Any tech could do it.

I would not say EL34 is better than 6L6 (5881) or the opposite. They are just different.

- EL34 is the typical Marshall sound. Sweet and nasty.
- 6L6 is more Fender. Cleaner with more definition.
 

jcm900

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Guv'nor said:
It is a very easy mod. Any tech could do it.

I would not say EL34 is better than 6L6 (5881) or the opposite. They are just different.

- EL34 is the typical Marshall sound. Sweet and nasty.
- 6L6 is more Fender. Cleaner with more definition.


I understand...thank you
 

JLH

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I did the change, IMO it cleaned the amp up, added SAG set to preamp, it gave my 900 more headroom, let me what you think
 

lpaholic59Don

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It is a very easy mod. Any tech could do it.

I would not say EL34 is better than 6L6 (5881) or the opposite. They are just different.

- EL34 is the typical Marshall sound. Sweet and nasty.
- 6L6 is more Fender. Cleaner with more definition.

I had a 4500 Head the 5881 model, Since I couldnt gig my half stack around here, I ran across a earlier 4501 Combo, I like the sound of the EK34s a bit better, I think the 5881's gave the clean channel more warmth I believe the 34's give the drive channel a tad more hard Marshall Edge
 

coldsteal2

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I kind of like the 5881's i get a better crunch from them
than from the EL34's. 34's probably alot better for leads though.
I think the 5881's remind me a bit of the old HIWATT 100 sound.
And i do love that sound, but would love to get a head with
34's.
 

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