identify VOX AC30

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identify VOX AC30

Postby dansan on Wed Feb 08, 2012 3:08 pm

Hi there
I'm new here, just bought an AC30 that seems to be an Arbiter, but would like to confirm it ...
the back label is thin plastic and the numbers and letters are handwritten

Manufactured in England by
VOX SOUND LIMITED
MODEL NO AC30
SERIAL NO 25xxx (it seems there are 3 digits after, but illisible)

anybody could confirm it's an Arbiter
https://picasaweb.google.com/1131240665 ... eat=email#

I'll try to upload few pics

Thanks,
mickael
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Re: identify VOX AC30

Postby dansan on Fri Feb 10, 2012 10:35 am

here are few pics

I'm not sure it's an Arbiter, because there's no fuse on the control panel in front of the power light indicator and the voltage selector is different than the one of the picture of the vox showroom here : http://www.voxshowroom.com/uk/amp/ac30_dallas.html

1.jpg


2.jpg


3.jpg
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Re: identify VOX AC30

Postby dansan on Fri Feb 10, 2012 10:50 am

forgot this one ... strange handwritten serial number ?

5.jpg
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Re: identify VOX AC30

Postby dlvoots on Fri Feb 10, 2012 1:59 pm

dansan wrote:I'm new here, just bought an AC30


Hi, and welcome!

The voltage selector looks really interesting. Can't tell from the photo if the top of the selector has writing around the center pivot or whether I'm seeing voltage contacts. Almost looks as if the top of the voltage selector knob is missing.

Dave
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Re: identify VOX AC30

Postby dansan on Fri Feb 10, 2012 3:14 pm

actually, there's no switche selector

the small knob we see on the top of the selector gives an access to the fuse

I guess we need to remove the selector to change the voltage, probably safety reason

there are 6 air vents on the top, like Arbiter
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Re: identify VOX AC30

Postby Grog on Sat Feb 11, 2012 6:26 pm

I think its later than Arbiter because what you have on the serial plate is a Rose Morris era number written on a Dallas Arbiter era plate. I suspect they ran out of the Rose Morris type and used up old stock. Rose Morris bought Vox in 1978 and initially used the Arbiter sequence of numbering until about 1981 when the plate and number sequence changed to a 5 digit number starting 24622 the lowest known to date. So a 5 digit number 25xxx is definately a Rose Morris era amp, just using up thre old plates.
AC30 Super Twin(1963) S/N 9952N Rear Panel TB Head, Dynamic Bass (1968) #1153, AC30CCH, V212BN 1 x Alnico Blue 1 x Wharfdale, VBM1, AC4TV, Marshall JTM312, Gibson 347(1987), Les Paul Custom, US Fender Telecaster and Stratocaster, CIJ Jaguar HH.

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Re: identify VOX AC30

Postby dansan on Mon Feb 13, 2012 4:23 pm

Thanks for your post Grog :D

you are right for the number, but it's wired point by point tagsrip, the silver alnico and the particle cab make me think more to an Arbiter :?

did the Rose Morris use particle wood cab ?

is there anything inside that I could check to be sure, like pot serial number , etc ?
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Re: identify VOX AC30

Postby Grog on Tue Feb 14, 2012 5:44 pm

dansan wrote:you are right for the number, but it's wired point by point tagsrip, the silver alnico and the particle cab make me think more to an Arbiter :?


I dont think Rose morris changed much in the manner of the production, certainly initially and there were tagstrip models and PCB versions.

dansan wrote:did the Rose Morris use particle wood cab ?
I'm pretty sure they had moved to particle board by the time of the Dallas Arbiter era which would have continued into the later Rose Morris period.

dansan wrote:is there anything inside that I could check to be sure, like pot serial number , etc ?

You might find a pot code or a chassis number which should be the same as the one on the rear panel but I'm not certain on that.

Given the Rose Morris period serial number I'm pretty convinced its from 1981 onwards. The Arbiter serials were very different having a 4 digit month and year code so 7409 = SEPT 74. Then a D for Dallas then the code around 7000 for the last ones. Rose Morris dropped the D and went up to 8000 or so before going to the new sequence, like yours.
AC30 Super Twin(1963) S/N 9952N Rear Panel TB Head, Dynamic Bass (1968) #1153, AC30CCH, V212BN 1 x Alnico Blue 1 x Wharfdale, VBM1, AC4TV, Marshall JTM312, Gibson 347(1987), Les Paul Custom, US Fender Telecaster and Stratocaster, CIJ Jaguar HH.

http://www.myspace.com/fishheads2

The Colin Staples Blues Jam, Every Wednesday at The Navigation, Wilford St, Nottingham.
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Re: identify VOX AC30

Postby Graham on Tue Feb 14, 2012 7:56 pm

Hi! I think this model came out just after the stolec models in the early 70,s. They ditched the awful pcb board and went back to handwiring them.They used up the last few blue speakers now in silver for the first few AC30,s and ten continued building them with greenbacks.
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Re: identify VOX AC30

Postby dansan on Wed Feb 15, 2012 11:00 am

here is the exact same amp as mine (except blue alnico instead of grey) with the same strange voltage selector

http://www.guitare-village.com/occasion ... is_641.php

it's true the serial number has only for digits, but the year is not on the 2 firsts digits ...

voxd1.jpg


I would say my amp is more an early Arbiter (after Stolec) because the serial number seems to be 25C06 and not five numbers like a Rose Morris.
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Re: identify VOX AC30

Postby voxfan_austria on Wed Feb 15, 2012 1:22 pm

dansan wrote:here is the exact same amp as mine (except blue alnico instead of grey) with the same strange voltage selector

http://www.guitare-village.com/occasion ... is_641.php

it's true the serial number has only for digits, but the year is not on the 2 firsts digits ...

voxd1.jpg


I would say my amp is more an early Arbiter (after Stolec) because the serial number seems to be 25C06 and not five numbers like a Rose Morris.



I owned one in 1979/80 - but with the silver speakers and NO GZ 34 ! I sold the amp for a good money because my second AC 30 1965 JMI / TB ( with GZ 34 )
sounded not louder but even better. More twang and a fuller overallsound ! This amp ( 1965 ) is still in use for recording in a pro - studio in Vienna !

Hans
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Re: identify VOX AC30

Postby voxfan_austria on Wed Feb 15, 2012 1:23 pm

dansan wrote:here is the exact same amp as mine (except blue alnico instead of grey) with the same strange voltage selector

http://www.guitare-village.com/occasion ... is_641.php

it's true the serial number has only for digits, but the year is not on the 2 firsts digits ...

voxd1.jpg


I would say my amp is more an early Arbiter (after Stolec) because the serial number seems to be 25C06 and not five numbers like a Rose Morris.



I owned one in 1979/80 - but with the silver speakers and NO GZ 34 ! I sold the amp for a good money because my second AC 30 1965 JMI / TB ( with GZ 34 )
sounded not louder but even better. More twang and a fuller overallsound ! This amp ( 1965 ) is still in use for recording in a pro - studio in Vienna !

Hans
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Re: identify VOX AC30

Postby dansan on Wed Feb 15, 2012 5:28 pm

do you mean my amp and the other one in my previous link are Rose Morris, or Arbiter voxfan ?

not sure to understand clearly your post :oops: (my poor english)
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Re: identify VOX AC30

Postby Grog on Thu Feb 16, 2012 11:53 pm

dansan,

If yours is a dallas era amp there should be the same serial number on the chassis which may be better or more clearly written
AC30 Super Twin(1963) S/N 9952N Rear Panel TB Head, Dynamic Bass (1968) #1153, AC30CCH, V212BN 1 x Alnico Blue 1 x Wharfdale, VBM1, AC4TV, Marshall JTM312, Gibson 347(1987), Les Paul Custom, US Fender Telecaster and Stratocaster, CIJ Jaguar HH.

http://www.myspace.com/fishheads2

The Colin Staples Blues Jam, Every Wednesday at The Navigation, Wilford St, Nottingham.
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Re: identify VOX AC30

Postby dansan on Fri Feb 17, 2012 4:09 pm

I'll try to check it again, but last time I'ven't seen any serial number inside the amp ...
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