AC50 head, small box

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AC50 head, small box

Postby Somerset on Sun Feb 14, 2010 7:58 pm

Just arrived, an AC50 small box head. It contained a later AC100 (yes it does fit!). Note the individual letters for "VOX". I suspect there weren't many with black cloth and these individual letter logos - certainly some brown cloth with individual letters. At any rate, it's not recorded as a "version" in Jim's book (p. 437). Does anyone have any details of any other cab like this? Shame the amp is long gone. July/September 1964? Just before production went to large box?

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Re: AC50 head, small box

Postby meezer on Mon Feb 15, 2010 2:20 am

I have an AC50 with the black cloth and the individual VOX letters as well.
Though obviously of a later date - Mine is the 2 channel, big box, SS rectified version.

I have never seen any other AC50's other than yours like that with the individual lettering and mine seems original.

Hmmm
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Re: AC50 head, small box

Postby AC50 on Mon Feb 15, 2010 2:57 am

I've seen pictures of The Beatles with cabs like that, individual lettering. They were sitting on AC100 cabs, so I always assumed they were AC100 heads.
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Re: AC50 head, small box

Postby Grail Hunter on Mon Feb 15, 2010 9:37 am

Where do you get all this stuff from Somerset :mouth_water: ? Are you sure this isn't an AC100 cab? I've so far seen one small head AC50 with black cloth but cannot recall whether or not it had individual letters. According to the book Vox would have produced the odd one with individual letters around 1964 though (see chapter about Vox logos).
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Re: AC50 head, small box

Postby Robertf on Sat Mar 03, 2012 12:44 am

Not sure if it matters, but I've got this AC-50 small-box head in a thick-edge cab. It has brown cloth, a grey panel with the gold lettering and the solid Vox logo.


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just for fun, here is the AC-50 atop an AC-100 MkII head cab...
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Re: AC50 head, small box

Postby Robertf on Sat Mar 03, 2012 9:06 am

majikalex32 wrote:nice amp! apparently all the mk11's were in a thick edged cab. is yours a mk11? mine has a copper panel. would love to see more pics inside the amp. mine unfortunately has no serial plate... made at the triumph factory im pretty sure... and it came in a head cab just like your ac100 one... ill upload some pics of it


Thanks! I'm assuimg that you're talking about the AC-50 being the MkII, which it may possibly be. Its a two-channel amp, with 4 inputs and is tube rectified. I've got two AC-50 heads and this one is my fav. Despite claims that the AC-50's had brightness issues, the Brilliant channel on this one loses absolutely nothing to the top-boost channel of an AC-30, and the amp sounds just amazing when the channels get jumped and a bit of the normal channel is mixed in. I'll have to get some chassis shots going in the future.

The AC-100 thick-edge head box is what my AC-100 chassis originally came in. The head box in in pretty rough shape right now. There's been some disagreement between the techs who've worked on that amp as to its being of the 80/100 cathode bias type or a later MkII version. Either way, it's an amazing amp in its own right.

Take care,
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Re: AC50 head, small box

Postby Robertf on Sat Mar 03, 2012 9:07 am

majikalex32 wrote:heres some pics. OT has been rebuilt by Glen L. He did a first class job.



Very NICE!!! Way cool amp there. Love the copper panel... :thumbsup:
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Re: AC50 head, small box

Postby Robertf on Sat Mar 03, 2012 10:19 am

majikalex32 wrote:Thanks Robert. its a single channel. im not 100% sure but i think the twin channel was the mk3? the mk2 i have has a 12au7, 2x 12ax7, 2xel34 and a gz34. for a cab im using a NCM repro Washington Cab with a midax. still waiting to hear it as ii havent wired the speakers up yet and i need a couple of resistors replaced. if yours is a mk3 it would be unusual to see it in a small box headcab. but then again Vox were anything but 'usual'. post a few pics of the inside, curious to see now :-)

maybe we can do a swap my ac100 headcab for your ac50 small box headcab? my ac100 headcab is in excellent condition. needs some brass screws perhaps.


Hey Alex -

Did a quick check of the Vox Showroom and it appears mine would qualify as a MkII amp -- it has the same tube set up as yours and is probably one of those transitional jobs that occurred throughout Vox history. Thanks for your generous offer, but the smallbox cab appears to be orginal to my amp, so I'm going to hang on to it :D

Rob
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Re: AC50 head, small box

Postby Robertf on Sat Mar 03, 2012 10:43 am

Hey Alex:

Mine does have a serial plate, which is affixed to the underside of the cab.. I'll have to check it out tomorrow and see what the SN is. I'll also check up on the tubes then as well.
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Re: AC50 head, small box

Postby Robertf on Sat Mar 03, 2012 8:37 pm

Alex:

Here are some crappy cell-phone pics of the small-box AC-50's back of chassis and tag-boards. The serial plate is a two-line version stamped AC-50 /#1449. No time to pull the chassis out of the box today...

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