Orange OR100 slave
Moderator: bclaire
Orange OR100 slave
can anyone post me a hi res photo of the main board or a diagram due to a burnout some resitors cannot be identified. It is a very rare amp OR100 100w slave. Problem with rare things is not many people have even seen one i also have a 50w flame amp head made by a irish fella called Pat Nolan in holloway road between 68-74 only made 50 also hard to find parts or schems. My orange has been in my kitchen for 23 years proping open the door if any of you guys can help i would eternally greatfull needs some tlc but i can salvage it if i can find out what the output transistors were..
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Re: Orange OR100 slave
The only picture I've seen of the inside of a Slave is a Slave 120. Not sure if it helps but here goes:
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- Orange Master
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Re: Orange OR100 slave
If you have an OR100 slave amp with transistors, you have something bizarrely rare. You might need to post some pics of what you have. There is a transistor slave on the orange field guide, that might be something similar to what you have.
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Re: Orange OR100 slave
Whoops... my bad. It looks like he has the solid-state slave?
Re: Orange OR100 slave
thanks for the reply and yes its the solid state 100w slave and yes it is the same as the one on the orange feild guide only the picture is not high res and i cant make out the color codes or what output semiconduters it should have it was fitted with TIP31a this was someone trying to repair it 25 years ogo, if i could fathom how to post images i would keeps saying cant add photo i will try agian soon as poss....
Re: Orange OR100 slave
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Re: Orange OR100 slave
I wonder if Matamp might know? It is an Orange Matamp isn't it?
Re: Orange OR100 slave
no its not a metamp metamps had metamp on the front mine is plain white with orange and slave in big letters on the front i think this was before metamps late sixtys..
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- Duke of Orange
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Re: Orange OR100 slave
That should be MAtamp...wwonka wrote:no its not a metamp metamps had metamp on the front mine is plain white with orange and slave in big letters on the front i think this was before metamps late sixtys..
What about the back nameplate? Not 'Cooper Mathias' as on the OFG one then?
The earliest 'Oranges' WERE 'Orange Matamps' BTW!
Andy.
aNDyH.
Ever tried to outstare a mirror?
In the bathtub of history the truth is harder to hold than the soap, and much more difficult to find!
Ever tried to outstare a mirror?
In the bathtub of history the truth is harder to hold than the soap, and much more difficult to find!
Re: Orange OR100 slave
Does it have this on the back?
Re: Orange OR100 slave
sorryi have no idea i did not get the box with it hence no clue but it has no valves all solid state if that helps
Re: Orange OR100 slave
Sorry did Matamp do a transistor slave amp then????
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- Orange Master
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Re: Orange OR100 slave
Matamp did do transistor PA amps and I think what Jondog meant was that the circuit is probably a Matamp design, as were most of the early Oranges I believe..
Re: Orange OR100 slave
YesOrangePaul wrote:Matamp did do transistor PA amps and I think what Jondog meant was that the circuit is probably a Matamp design, as were most of the early Oranges I believe..
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Re: Orange OR100 slave
…and as the transition was happening from Cooper/Mathias Ltd, there were some weird things being built. There are "Orange" OR200s that are identical to the "Orange Matamp" OR200s with no mention of Matamp at all. If your amp is or looks like the slave on the Orange Field Guide, it's likely made by Matamp (but who really knows?!?)
Unfortunately, the likelihood of finding a schematic is pretty slim. You can certainly call Matamp and/or Orange, but even if you find the real schematic, you might still end up with cross-referenced replacements for what were off-the-shelf transistors 40+ years ago.
Unfortunately, the likelihood of finding a schematic is pretty slim. You can certainly call Matamp and/or Orange, but even if you find the real schematic, you might still end up with cross-referenced replacements for what were off-the-shelf transistors 40+ years ago.
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