dating my vox ac30

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dating my vox ac30

Postby dodobassman on Thu Jul 27, 2017 1:16 pm

hoping the experts on here can help.
trying to date and obtain a service manual for what seems to be an AC30TB amp head (that's what it says on the back). however according to the VOX showroom site, it shouldn't have a voltage selector switch. this one has. and it has a 150V - 240V selection, and the vox showroom site only shows a 245V selection at the top end.
I'd like to attach a pic but apparently the board attachment quota has been reached.??
The serial no. is 913205 and has been scratched into the backplate rather than printed if that makes sense.
the panel is red, and has black rotary knobs, the colour of the amp housing is a light fawn. it has Vib-trem, normal & brilliant inputs and volumes. treble bass and cut in the tone section, speed and vib/trem in the vibrato section, a mains switch (no standby switch) and the voltage selector switch.

any ideas guys?
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Re: dating my vox ac30

Postby LD50 on Thu Jul 27, 2017 2:34 pm

Pictures help.
As a guess a 62 (fawn with 6 input candy panel).
All bleeding stops.......eventually.
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Re: dating my vox ac30

Postby Vortexion on Thu Jul 27, 2017 6:01 pm

1. Choose a nice restaurant.
2. Don't turn up with flowers (they just get in the way)
3. Be a good listener.

Good luck! :wink:
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Location: Norwich, UK

Re: dating my vox ac30

Postby voxjunior on Thu Jul 27, 2017 11:21 pm

I believe what you have is from the Rose Morris era in 1991:

You still see McCartney using a pair of the head and speaker cabinets.
Outside the gates of Cerdes, sits the two-pronged unicorn,
Plays at relaxation time, the rhinestone flugelhorn.
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Re: dating my vox ac30

Postby jack-in-the-vox on Fri Jul 28, 2017 12:02 pm

Welcome to the forum.

To display photos, you can't link directly from your hard drive. You need to share them using a link from a 3rd-party image hosting site (such as imgur).

I suspect voxjunior is correct about it being one of the later Rose Morris amps.

Does your head cabinet have enlarged vent grilles?
Is "A JMI Product" or "A Vox Product" printed on the control panel?

Rose Morris AC30s.


Does the chassis slide in and out of the cabinet on a wood plinth (JMI) or is it suspended in the cabinet by bolts on each side (Rose Morris)?
Is it hand-wired (JMI) or does it have a printed circuit board (Rose Morris)?
Does it have a GZ34 (JMI) rectifier valve or a solid-state rectifier (Rose Morris)?

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