Superlux S502 MK2 test, teardown and improvements

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Hi All,
time to answer some questions:
1. I only sell the repair kits inside Europe.
2. The "repair kits" include pcb and ALL necessary components and a detailled assembly/test instruction.
3. Payment only by banking transfer, shipment via DHL, you get a tracking number.
4. MBC5X0 repair kits still available, S502 repair kits under construction.
5. Prices only upon request via PM, pls be so kind not to post them in public space :)
Thanks
MicUlli
 
I had the same question. Three, or maybe 4 or even 5 things to look at:
1) Diameter 20mm
2) Thread size: unknown to me. Does anyone know?
3) Capsule interface. Maybe transplant the interface from the 502 body. Don't expect this to be a major issue. Or else, 3D print an interface.
4) Body tube color, if you think that is important.
5) Pad and low-cut switches, if you want those.

797 Audio makes 20mm duameter bodies, e.g. the ones sold as Behringer B-5. But will the threads match?

And maybe the Neewer SDCs? They have a 20mm diameter and are damn cheap.

1732097476988.jpeg

I'll give them a shot. Just ordered a pair.

Jan
 
Last edited:
The Neewer NW-410 have a fairly large tolerance.
The frequency responses of the capsules vary widely. (You have to be 'lucky'.)
But that is of course no problem if it is only about the bodies...
 
Hi All,
now i have received interest for 16 boards, lower threshold was 15 boards, this should be a good starting point for pcb design :)
I will keep you up to date..
MicUlli
 
Hi All,
time to answer some questions:
1. I only sell the repair kits inside Europe.
2. The "repair kits" include pcb and ALL necessary components and a detailled assembly/test instruction.
3. Payment only by banking transfer, shipment via DHL, you get a tracking number.
4. MBC5X0 repair kits still available, S502 repair kits under construction.
5. Prices only upon request via PM, pls be so kind not to post them in public space :)
Thanks
MicUlli
Count me in for four sets.
 
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