NPAudio - AMP12EXN Upgrade
This is an upgrade only, the AMP12 is not included.
Product currently not available
DX300 DX320 AMP12EXN Upgrade
15 x Kemet KO 25 mΩ ESR
1 x Kemet KO 15 mΩ ESR
8 x Audio Note Kaisei/Seiryu Bi-Polar *
3 x Elna Silmic II
2 x Vishay ERO MKP1837
1 x Cornell Dubilier CDE940C
* Your AMP12 will need to be sent in to modify (or ask if we have any in stock)
* Please note: depending on stock availability, Audio Note Kaisei may be replaced with the identical sounding Audio Note Seiryu.
Audio Note Seiryu differ only in their leg construction (and of course colour)
![](https://wundery-uploads-production.imgix.net/a8b52b5a-e7c8-49dc-8fec-caf27c751465/29070cfa.jpg?w=200)
Seiryu legs
Tin plating over copper plated steel (Like most other caps)
Tin plating over copper plated steel (Like most other caps)
Attachment is automated on Rubycons machines.
![](https://wundery-uploads-production.imgix.net/f36074e0-3dce-42a5-9212-a8cbfeb8662a/45bc9fb6.jpg?w=200)
Kaisei legs
Tin Plating over copper.
Tin Plating over copper.
As copper is softer they are a little thicker and not compatible with Rubycons machines so they require attaching by hand.
This is why stock takes such a long time to replenish (1-2 months)