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PostPosted: Thu Mar 09, 2017 11:17 pm 
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Mark II

Joined: Sun Aug 21, 2016 5:23 pm
Posts: 98
Location: Hardwood Heaven
I recently picked up a .50 Caliber head on a total whim and just assumed it was the same width as Mark series amps of the same time period. It just showed up and it doesn't line up quite right. My measurements show the following:

22.25" Wide
10.75" Deep
9" Tall

20.75" Inner Width
20.5" Actual Chassis Width

Do those numbers ring any bells for Mark series amps? Obviously the short/compact are much narrower. Everything thing I read about the medium head/wide combo says 22.5" wide, but no matter how I hold the tape, this thing is 22.25" wide. Maybe the difference between hardwood and tolex covered cabs?

I can see the chassis itself is just about exactly 20.5" wide. Can anyone comment on the width of the wider Mark III or IV chassis?

Thanks in advance, have been searching a ton but not finding the exact answer I'm looking for regarding the chassis width itself.

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PostPosted: Fri Mar 10, 2017 11:35 am 
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Mark IV

Joined: Fri Jul 01, 2011 4:09 pm
Posts: 783
Location: Looking over the shoulder of the guy who lost his apples - not that he really ever had any to lose.
Don't know the chassis width off the top of my head but the mounting hole spacing (L->R) is ~19-3/8"


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PostPosted: Fri Mar 10, 2017 1:46 pm 
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Mark II

Joined: Sun Aug 21, 2016 5:23 pm
Posts: 98
Location: Hardwood Heaven
Thanks, gts. I will take a look when I get home tonight. I hope it matches up!

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PostPosted: Sat Mar 11, 2017 2:11 am 
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Mark III

Joined: Fri Jul 11, 2008 11:03 pm
Posts: 285
Location: Dayton Ohio
Short head 18 3/4"
Long head 23"

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90' Mark III Coliseum blue stripe
95' Dual RevG
96' Triple RevF (2)
04' Recto 4x12
07' Recto 4x12-EVM12L's
09' Mills (2)-4X12-V30
96' Explorer
03' Faded V
07' Prophecy
13' Government V


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PostPosted: Sat Mar 11, 2017 3:08 am 
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Mark II

Joined: Sun Aug 21, 2016 5:23 pm
Posts: 98
Location: Hardwood Heaven
Woot! Mounting holes are 19 3/8" exactly! Thanks, gts!

mesaboogie6L6, are you able to measure your actual chassis? Mine is 20 1/2" and the holes match up with gts' number. My full width is only 22 1/4"... but I haven't seen anything over 22 1/2" in any of my reading up until this point. Thanks!

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PostPosted: Sat Mar 11, 2017 11:08 pm 
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Mark III

Joined: Fri Jul 11, 2008 11:03 pm
Posts: 285
Location: Dayton Ohio
I measured 20 5/8" for the chassis, and 23 3/8" full width

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90' Mark III Coliseum blue stripe
95' Dual RevG
96' Triple RevF (2)
04' Recto 4x12
07' Recto 4x12-EVM12L's
09' Mills (2)-4X12-V30
96' Explorer
03' Faded V
07' Prophecy
13' Government V


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PostPosted: Tue Mar 14, 2017 3:29 pm 
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Mark II

Joined: Sun Aug 21, 2016 5:23 pm
Posts: 98
Location: Hardwood Heaven
mesaboogie6L6, thanks a ton for double checking that for me. I am pretty sure these numbers all match up more or less. I looked around and saw some tolex heads with really thick sides. Mine are only a hair over 3/4"... about 25/32". But the main opening for the chassis is just about 20 3/4" which leaves room for 20 1/2" to 20 5/8" we're seeing for chassis width.

I'm stoked! I didn't even mean to buy a medium head but am happy to have found one! Thanks again for the measurements.

Here it is:
Image

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PostPosted: Sat Mar 18, 2017 3:13 pm 
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Mark IV

Joined: Fri Jul 01, 2011 4:09 pm
Posts: 783
Location: Looking over the shoulder of the guy who lost his apples - not that he really ever had any to lose.
Nice hardwood head cab! Congrats.

The overall width on long heads was different on old Mesa tolexed cabs due to the sides being 1-1/8" thick.
The sides on Hardwood cabs are 3/4" thick.


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PostPosted: Wed Apr 19, 2017 1:42 pm 
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Mark II

Joined: Sun Aug 21, 2016 5:23 pm
Posts: 98
Location: Hardwood Heaven
gts wrote:
Nice hardwood head cab! Congrats.

The overall width on long heads was different on old Mesa tolexed cabs due to the sides being 1-1/8" thick.
The sides on Hardwood cabs are 3/4" thick.

Thanks! That makes perfect sensed based on all these numbers and photos I've seen online.

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PostPosted: Wed Apr 19, 2017 11:26 pm 
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Mark III

Joined: Fri Jul 11, 2008 11:03 pm
Posts: 285
Location: Dayton Ohio
Glad to help anytime!!
It's beautiful!!!!

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90' Mark III Coliseum blue stripe
95' Dual RevG
96' Triple RevF (2)
04' Recto 4x12
07' Recto 4x12-EVM12L's
09' Mills (2)-4X12-V30
96' Explorer
03' Faded V
07' Prophecy
13' Government V


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