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 Post subject: Mark III preamp tubes.
PostPosted: Tue Jan 24, 2012 8:46 pm 
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Bottle Rocket

Joined: Wed Nov 07, 2007 8:00 pm
Posts: 9
Location: Tennessee
Alright all you metal players using Mark III's, what kind of preamp cocktails are you using?


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PostPosted: Thu Jan 26, 2012 12:54 pm 
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Mark IV
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Joined: Thu Sep 24, 2009 11:01 pm
Posts: 701
Location: Birmingham, Al
For heavy shred everything:

V1 - The nicest, sweetest tube you own.
Everything else - choice high gain chinese tubes. 12AX7B's, and silver specials from the 80's.

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PostPosted: Wed Oct 09, 2013 7:57 pm 
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Mark I

Joined: Thu Sep 05, 2013 1:57 pm
Posts: 48
I am going to try a GT tube that I have identified as a JAN GE 12AX7WA in the number one, and the Chinese square getter dual post ones in everything else.

Will advise

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PostPosted: Wed Oct 23, 2013 8:48 pm 
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Mark I

Joined: Thu Sep 05, 2013 1:57 pm
Posts: 48
SonicProvocateur wrote:
For heavy shred everything:

V1 - The nicest, sweetest tube you own.
Everything else - choice high gain chinese tubes. 12AX7B's, and silver specials from the 80's.


I got alot of old Chinese 12AX7's How can you ID it if it is a Silver Special?

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Mark III Blue Wood n Wicker Combo
Simul-Class 295
ADA MP-1
Single Rectifier Combo
2001 CS C5 Les Paul
1989 Ibanez Jem 7PBK


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PostPosted: Sat Nov 09, 2013 8:22 pm 
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Mark IV

Joined: Mon Mar 31, 2008 5:35 pm
Posts: 839
Location: Enon, Oh
DJPattP wrote:
SonicProvocateur wrote:
For heavy shred everything:

V1 - The nicest, sweetest tube you own.
Everything else - choice high gain chinese tubes. 12AX7B's, and silver specials from the 80's.


I got alot of old Chinese 12AX7's How can you ID it if it is a Silver Special?



On the silver specials, ALL of the visible internal components look like they are chrome plated.

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PostPosted: Sun Nov 10, 2013 10:57 am 
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Mark III

Joined: Fri Jul 11, 2008 11:03 pm
Posts: 285
Location: Dayton Ohio
I'm using RFT in V1 and JJ's in the other spots, in My Mark III Coliseum blue stripe.

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PostPosted: Fri Dec 20, 2013 10:11 am 
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Single Recto

Joined: Fri Dec 05, 2008 9:33 pm
Posts: 1116
Location: Illinois
I run a mallard in V1. Makes my purple stripe scream. LPS in the PI and Chinese in the rest. Ive owned 2 Mark IIIs in my days and both were extremely picky about preamp tubes. This cocktail worked best in both of them for my ears.

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PostPosted: Thu Feb 13, 2014 11:42 am 
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Mark I

Joined: Sat Dec 09, 2006 6:42 am
Posts: 33
What should I put in v1? is Tung-sol good? Or something like mesa's SPAX7?
I'm currently using JJ ECC83S.
If I put a "high gain" 12ax7 as phase inverter, how will it affect the sound?
Has anyone tried Sovtek LPS in v5?

EDIT:
Nevermind, I put tung-sols in v1 and v3 today. I hear improved sustain and overtones, brighter/more clarity, and more cut. But there is slight decrease in gain, and the bass isn't as punchy/tight.

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PostPosted: Fri Jul 25, 2014 8:53 pm 
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Mark I

Joined: Sat Nov 12, 2011 2:35 am
Posts: 21
89 Green stripe simulclass w/GEQ, I play hard rock and metal.
Right now I have Winged C 6L6's
V1: TAD 12ax7
V2: 12ax7EH
V3: Tung Sol 12ax7
V4: Tung Sol 12ax7

Before that I had Tung Sol in V1 and V3 and EH in V2 and V4. First thing I noticed was the high end was rolled off slightly, took some of the hair off which I liked. The low end was also bigger, wasn't getting mushy at all, felt like it was pushing more air. I haven't experimented much but just from this little bit it was definitely a good upgrade.


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PostPosted: Sun Sep 21, 2014 1:24 pm 
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Mark I

Joined: Fri Jul 04, 2014 8:26 pm
Posts: 34
Try an Ei in the V1 position and 8th generation Chinese in all other spots.


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PostPosted: Thu Jun 04, 2015 3:28 pm 
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Mark III

Joined: Sat Apr 20, 2013 4:29 am
Posts: 338
What's your opinion on SOVTEK 12AX7 LP ECC83 ?

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