Orange Slave SL120 Picture/Schematic

bbryantrocks · Post by **bbryantrocks** » Tue Sep 17, 2013 5:19 pm

I recently purchased an Orange Slave SL120 for parts/salvage that I want to restore. It's hard to find schematics from this era so I was hoping one of you chaps might have some high resolution photos to share. It's a graphic model with plexi faceplate; SN037.

Post by **bclaire** » Tue Sep 17, 2013 5:52 pm

Not sure there's a schematic anywhere - here are all of my Slave 120 pictures....

Gladmarr · Post by **Gladmarr** » Tue Sep 17, 2013 7:35 pm

An SL120 is just an OR120 without most of the preamp installed. You can look at the OR120 schematics for everything you'd need in a slave, there will just be extra parts.

Did you by chance purchase one of those water-damaged monsters off of eBay?

bbryantrocks · Post by **bbryantrocks** » Tue Sep 17, 2013 8:28 pm

This is one of the water damaged amps from NJ. It's kinda got a cool history and will be a project to say the least. It spent its life in the 70's in Cardiff where it was serviced from 1973 to 1979 in Clive Nobles shop.

Thanks for the pictures Billy. Any chance you know the manufacturer of the laydown transformers shown in pictures 7 and 8?

jontheid · Post by **jontheid** » Tue Sep 17, 2013 10:49 pm

Schematics are here:
http://www.orangefieldguide.com/orange_ ... schematics" onclick="window.open(this.href);return false;

You want 'graphic' schematics.

(I'm sure at some point I have seen proper slave schematics for an SL120, can't find them anywhere though)

jontheid · Post by **jontheid** » Tue Sep 17, 2013 11:13 pm

Here's a nice shot of the bit of the PCB that has different (less) components than the standard OR120

n.b. you might have the more rare version that Billy has that has the more square PCB with the preamp sockets soldered directly onto it.

bbryantrocks · Post by **bbryantrocks** » Wed Sep 18, 2013 4:11 pm

Here's some photos of the SL120.

bbryantrocks · Post by **bbryantrocks** » Wed Sep 18, 2013 9:03 pm

For some reason it doesn't look like the pictures I posted earlier today took. It probably has something to do with me being a noob to this forum. I'll give it one more shot...

Post by **bclaire** » Thu Sep 19, 2013 10:47 am

Yeah, I had to approve them with you being new to the forum. Sorry if it took a while... cool amp though!

Jondog · Post by **Jondog** » Thu Sep 19, 2013 11:41 am

Hows that potentiometer working?

0000 · Post by **0000** » Thu Sep 19, 2013 1:28 pm

Seems completely pointless to be wasting the time and money to restore a slave unit. Unless you're planning to like, run four 4x12 cabs... there is really no point in having one today.

bbryantrocks · Post by **bbryantrocks** » Thu Sep 19, 2013 2:35 pm

Does anyone know where I can find a replacement pilot lamp?

The potentiometer feels ok when I turn it but I haven't checked it with a multimeter yet.

a.hun · Post by **a.hun** » Thu Sep 19, 2013 3:38 pm

bbryantrocks wrote:This is one of the water damaged amps from NJ. It's kinda got a cool history and will be a project to say the least. It spent its life in the 70's in Cardiff where it was serviced from 1973 to 1979 in Clive Nobles shop.

Probably a daft question but what happened there? (Fresh or salt water? Hopefully fresh as most electronics will of course survive that fine unless powered up.)

Sorry, can't help you with the transformers question.

Yeah that 'service history' is quite cool!

Andy.

Post by **bclaire** » Thu Sep 19, 2013 4:13 pm

Yeah, I'm curious, too... was it submerged and if so, for how long? Other than the obvious cosmetics, I wouldn't be surprised if many of the electrical bits are fine if they got a chance to thoroughly dry out...

bassdrop · Post by **bassdrop** » Thu Sep 19, 2013 4:45 pm

The other question is whether the water damage was fresh water or salt water. The corrosion from salt water is quick and extensive and can continue long after the item has appeared to dry.

Orange Slave SL120 Picture/Schematic

Orange Slave SL120 Picture/Schematic

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