dating GRO100

Maybe someone can help you date your Orange Amplifier?

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the_odd
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Post by the_odd » Thu May 02, 2002 12:43 pm

Hi,

my GRO100 has the hand written serial number 904

Can anyone help me dating this amp?

Thanks

the odd

boatsinbottles
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Post by boatsinbottles » Wed May 08, 2002 11:51 pm

Well, since it's a GRO100 and the serial number is hand written, I'm pretty sure it's a 90s reissue.
Last edited by boatsinbottles on Fri Jul 16, 2010 6:57 pm, edited 1 time in total.

melj
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Post by melj » Thu May 09, 2002 10:41 am

If it's a GRO with a plexi panel face plate, with graphics and no text, along with a wooden back panel with metal mesh and a fixed power cord, it's NOT a 90's re-issue. I have a GRO 100 plexi which we collectively date as approx. '72. The 90's re-issues will have - graphics and text face plates, removable mains leads, metal grille back panels, as far as I know serial numbers etc were not hand written on these and the model number would be OR or OD 80 / 120

the_odd
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Post by the_odd » Mon May 13, 2002 7:11 pm

Hmm, the amp has a metal panel face plate, with graphics AND text. But also has a wooden back panel with metal mesh and a fixed power cord.

Here are some pictures of the amp:
http://www.rockgranaten.de/Orange

melj
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Post by melj » Tue May 14, 2002 9:54 am

Interesting! Funnilly enough i've just bought an old Green Matamp ri head from the 80s, it has exactly the same type of transformers and choke as your Orange..........PCB as well, and it has the serial number written in marker pen on the top of the chassis next to the tranny. I wonder if they are from the same period? What is the cabinet and back panel made of, birch ply or particle / chipboard?

the_odd
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Post by the_odd » Tue May 14, 2002 5:35 pm

Hi melj,

yes, the cabinet is made of ply wood (don't know if it is birch) and the back panel is made of chipboard. I wonder about the initials on the circuit board (M.B.). I think I have sees these initials on a foto of a Matamp somewhere at the web.

melj
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Post by melj » Wed May 15, 2002 10:26 am

Odd, i'm going to open up my Green from teh 80s and see what he PCB looks like, the trannys and board, as well as the handwritten serial number on the chassis, remind me of the Green - they look very similar. The green was made by what is now Matamp in the 80's, maybe they're from the same era...i'll get back to you!

Mel

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