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SWR Marcus Miller M2 Footswitch

Hoping someone can help me find a suitable 4-button footswitch for SWR Marcus Miller M2 preamp. I purchased it without one and have tried a single button JHS Red Remote with TS cable and it did nothing. Also tried the AMP OUT function on my HX Effects and tried setting to TIP, RING, SLEEVE and BOTH and none of those made any change to the on/off of anything on the preamp. I emailed Saturnworks as I know they make things like that and asked if they could make one and they said they could not.

Not really sure what makes this different or complicated vs most other foot switches. From photos I've seen it's only using a TS cable, not even a TRS.

If anyone has any ideas I'd be very appreciative.
 

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I believe that’s a custom part with logic in the footswitch (and/or the amp). Nothing else will work, try to find a used one on eBay or reverb.
 
I know nothing of either amp.

But the SM 1500 used a similar footswitch and there are several floating about the web. All cautions about plugging two unknown devices together apply. But they share the same format with different graphics.

A persistent search effort will normally strike gold. But you need to be persistent. Save some searches on eBay and Reverb and be patient.
 
I used to wonder how footswitches got separated from their amps. I sold something to guitar center and they said they wouldn't pay anything more for the footswitch, so I kept it. Then I was the jerk who does exactly that, separating switches from their rightful place. Music go round is so much better in that regard. Ryan..
 
The SM-1500 footswitch is identical to the Marcus Miller Pre footswitch, I just checked my documents binder.

It is a custom part that is microprocessor controlled, so don't use anything else.
 
The SM-1500 footswitch is identical to the Marcus Miller Pre footswitch, I just checked my documents binder.

It is a custom part that is microprocessor controlled, so don't use anything else.
That should help the OP immensely.

I’ll say thank you!

There are two SM1500 foot switches on reverb right now. Ones still in the shrink wrap. I think they both may be NOS though.

Edit: Down to one https://reverb.com/item/41126567-swr-sm-1500


https://reverb.com/item/36642037-swr-4-button-footswitch-for-sm-1500

https://reverb.com/item/36642037-swr-4-button-footswitch-for-sm-1500

They are in Germany but depending on the OP’s location maybe a better option.

Hopefully the OP grabbed the NOS shrink wrapped one.

Both switches have been there for months and both were there yesterday.

The remaining switch is used and listed 5 years ago.
 
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That should help the OP immensely.

I’ll say thank you!

There are two SM1500 foot switches on reverb right now. Ones still in the shrink wrap. I think they both may be NOS though.
Those amps sold so poorly that there was NOS amps and footswitches around for years. They were to expensive for what they were as SWR was losing popularity.
 
Those amps sold so poorly that there was NOS amps and footswitches around for years. They were to expensive for what they were as SWR was losing popularity.
They strike me as a marketing guys top of the line fantasy amp. Or maybe product development. A solution looking for a problem. To much. To complex. To big. To heavy. And to expensive.

SWR is one of many sounds and my recollection is that era was shifting to more driven bass tones. And of course lighter amps by far.

I could see them sitting in the warehouse.

The last new SWR amp I remember was the Mo’Bass. Which has its fans. Still.

Some like knobs and complexity others like simplicity. Some are just after tone.

I’m in the latter camp and I can see why people talk fondly of their Bass 350.

I can see why they were a dud in the market place.

On the bright side the OP has an answer to his foot switch problem.
 

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