Mark III ? How often do you guys change your power tubes?

Mark I's, II's, III's and the almight IV

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el34sg
Mark II
Posts: 61
Joined: Tue Mar 12, 2013 7:49 pm

Mark III ? How often do you guys change your power tubes?

Post by el34sg » Tue Dec 20, 2016 12:53 am

My Green stripe Mark III gets more action than my Red.
Simul Class, GEQ.
I'm pretty certain it has most of the original preamp tubes.
Power tubes are probably at least 2.5 years old.
Average a gig per month & some rehearsal time..

How long are you running your power tubes?

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Silverwulf
Donating Member
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Joined: Mon Jan 24, 2005 10:36 pm
Location: DC Metro Area

Re: Mark III ? How often do you guys change your power tubes

Post by Silverwulf » Tue Dec 20, 2016 1:42 pm

At the risk of sounding sarcastic...I change them when I no longer like how it sounds... :mrgreen: I've had some tubes I changed after a year, and others (like the ones in my Rev F Recto) that have been in there for 10 years, sound great, and I see no need to change them.
Boogie user of 20+ years, previous owner of 150+ Rectos, author of the previous "2 Channel Recto User Guide" and current "3 Channel Recto User Guide" (if I ever stop being lazy and finish it)...

JOEY B.
Dual Recto
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Location: North Alabama C+ Mafia-Kingpin

Re: Mark III ? How often do you guys change your power tubes

Post by JOEY B. » Tue Dec 20, 2016 11:12 pm

Put a quad of Sylvania's in it, then play it until it dies. :twisted: Rinse and repeat!
"One of these days, I'm gonna change my evil ways....... one of these days.

yelly
Mark I
Posts: 24
Joined: Sat Sep 09, 2006 6:52 pm

Re: Mark III ? How often do you guys change your power tubes

Post by yelly » Sun Dec 25, 2016 1:54 pm

Preamp tubes only when there is a fault. Power tubes can last a very long time in Marks as they are not stressed into overdrive and are usually fan cooled. They really can go for years.

McBarry
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Location: Canberra, Australia

Re: Mark III ? How often do you guys change your power tubes

Post by McBarry » Mon Dec 26, 2016 1:21 am

> :twisted: Rinse and repeat!
>

Love it... !!!
Mk I,export,GEQ,cream
Mk IIA,exp,rev,cream
Mk IIB,exp,rev, tweed
Mk IIB,exp, rev,GEQ,simul, black
Mk III head,rev,GEQ,cream
Mesa Studio 22+, fan
Kitty Hawk M1 head
Fender 75, exp, 1973,15".
Fender 6G6A Bandmaster 1962
Fender AA763 Bandmaster 1964

treedroppings
Mark II
Posts: 137
Joined: Sat Aug 05, 2006 11:15 pm
Location: San Jose, CA

Re: Mark III ? How often do you guys change your power tubes

Post by treedroppings » Wed Dec 28, 2016 2:34 am

I picked up a '91 Mark I, had it overhauled in '10 never touched it again 8)
sounds too smooth and polished sometimes is my only complaint. Also, I like
it better with my twin closed-back cabinet.Image
2006 Fender Lite Ash Strat
2012 US Gibson Firebird V
1990 Boogie Mark 1 Reissue
2-12 Sapele Cab

Music: from blues to thrash and back! (allman bros, exodus, saxon, tcf, robert johnson)

el34sg
Mark II
Posts: 61
Joined: Tue Mar 12, 2013 7:49 pm

Re: Mark III ? How often do you guys change your power tubes

Post by el34sg » Mon Jan 02, 2017 8:23 pm

Thanks guys! I'll run them until something sounds weird.

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Trey Blue
Mark I
Posts: 39
Joined: Sun Jan 01, 2012 8:35 pm
Location: Northern Illinois

Re: Mark III ? How often do you guys change your power tubes

Post by Trey Blue » Tue Jan 03, 2017 10:15 am

I pretty much never change them
Mark III Blue Stripe > Vertical Recto 2x12

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themisfit138
Mark III
Posts: 221
Joined: Sat Jul 21, 2007 1:01 am

Re: Mark III ? How often do you guys change your power tubes

Post by themisfit138 » Mon Jan 16, 2017 9:06 am

After I find the tubes that work best in the amp, there is no need to change them until they die.
1985 Mark IIC++
1989 Mark III Blue Combo
1991 Mark IV Short Head

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