I'm not sure of the manufacturing date of my unit... I hope I post in the good section.
I've done a full recap on my old QSB as it was really too much noisy...
I've not found pictures anywhere, so I've taken some photos of its guts, just for the curious because it is not a real good reverb unit (the only one spring measures around 20 cm and is really "boingy"
After recap' it's dead silent, and I even think I've more headroom, but it's still a bad reverb for guitar: it sounds better when used for dub drum kits
So here are the pictures before changing the electros (you can see the new caps laying under the unit on one picture: Lelon & Panasonic 105°C hi grade caps, but I'm not sure this effect really worth such a luxury):
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