1985 Mark III identification

Pre Recto days. Boogie modified Fenders, Mark I-IV, Dual Calibers, etc

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Seanboy
Mark III
Posts: 167
Joined: Sun Feb 05, 2012 10:53 pm

Re: 1985 Mark III identification

Post by Seanboy » Tue Dec 12, 2017 9:22 pm

Is it determined from the very top number on the transformer?
I just looked at mine, it starts with 105-46....

s-fresh
Mark III
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Re: 1985 Mark III identification

Post by s-fresh » Tue Dec 12, 2017 10:35 pm

All of mine have said MESA, 105-162318 and the bottom number varies a bit. It should be pretty obvious because they are like 3.5" tall. The standard one is about 2.75"

Here's a photo of the IIC+:
Image

Seanboy
Mark III
Posts: 167
Joined: Sun Feb 05, 2012 10:53 pm

Re: 1985 Mark III identification

Post by Seanboy » Tue Dec 12, 2017 11:08 pm

I just took a closer look, it’s hard to read the number, but it is the same number you listed. I tried taking a picture of it, kind of hard to do.

Image

Seanboy
Mark III
Posts: 167
Joined: Sun Feb 05, 2012 10:53 pm

Re: 1985 Mark III identification

Post by Seanboy » Tue Dec 12, 2017 11:12 pm

Here’s what it says
105-162318 OD
I’m confused, it definitely says 105, but it’s not 3 1/2 inches tall.

s-fresh
Mark III
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Joined: Sun Aug 21, 2016 5:23 pm
Location: Hardwood Heaven
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Re: 1985 Mark III identification

Post by s-fresh » Wed Dec 13, 2017 12:36 am

I don't know! I've never seen that many numbers/lines on a Mesa PT before. Also never seen one with a notch down the middle before. Maybe someone else has seen one like this? I have only been collecting these for a few years so I haven't seen it all yet. :)

jack s.
Mark II
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Re: 1985 Mark III identification

Post by jack s. » Thu Dec 21, 2017 1:08 am

Any of you guys compare one of the Mark IIIs with the 105pt to a C+ with a 105 PT? I would love to know if there was much difference in sound.

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Markedman
Donating Member
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Location: Norfolk, CT

Re: 1985 Mark III identification

Post by Markedman » Sun Dec 24, 2017 5:35 pm

At one point I had both Mk.III 105 and C+ 105 and the C+ is it's own animal. The Mk.III is smoother and much more modern sounding with a compressed feel when heads up to the C+. The C+ is like a chainsaw or dirt-bike, where as the Mk.III is like a race car.

With the right guitar, you could get either to sound very similar because a guitar will change everything.
JP2C, Mark llC++ DG, Mark IV-A/B.

Big Block
Mark II
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Joined: Mon Dec 10, 2012 3:44 pm
Location: Mile High City

Re: 1985 Mark III identification

Post by Big Block » Fri Apr 13, 2018 1:02 am

Looks like a black dot 1x12 that someone hacked down to a head format and re-covered. I personally own a Mike B upgraded IIC+ SRG and III+ DRG red stripe with the R2 mod; the tone is 99% identical on the lead channel. I call placebo effect. Lol

woodbutcher65
Mark III
Posts: 171
Joined: Fri May 04, 2018 10:36 pm

Re: 1985 Mark III identification

Post by woodbutcher65 » Sun Jun 17, 2018 12:41 am

That cabinet is a custom creation and I'd bet money that it was not made or covered by Mesa. Even the style of the covering is different, and I'm sure I've never seen that tolex pattern on even a custom ordered Mesa amp.

75 or 85 watts, basically a twin of my black dot simulclass Mark III with reverb and EQ. My serial number is in the 15300 range and mine has the export transformer. But no + mark in the upper corner and I'd like to know for certain what that means.

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