Princeton Reverb Blackface Mod Kit jupiter capacitors made in Japan (the company

made in Japan (the company has since relocated manufacturing to another country)

a bit more clean sustain

It keeps the higher gain preamp of the AB165

these kits are not intended for your amp

You may also request a new 47uf/100v bias cap if you prefer

Princeton Reverb Blackface Mod Kit jupiter capacitors made in Japan (the companyPrinceton Reverb AA1164 Blackface Mod Kit Converting your silverface Princeton Reverb to AA1164 blackface specs is much easier than most blackface conversions. Only a few things changed circuit wise from the blackface to silverface models. The changes that did happen were subtle, but noticeable. Converting your silverface Princeton Reverb to AA1164 blackface specs will give you a warmer, smoother, more touch sensitive amp. It will sound a little