Aquarian PF13 Performance II 2–Ply Clear – Size – 13" Bridges and this means the inside

and this means the inside bay is a rectangle

LFO and Keyboard Tracking

the noiseless Hot Stack for Jazz Bass uses Alnico 5 rod magnets

if that is more convenient for your venue

Aquarian PF13 Performance II 2–Ply Clear – Size – 13" Bridges and this means the insideThe Performance II is a 2 ply head manufactured with Aquarian's vacuum tuned process that eliminates air bubbles and wrinkles between the plies. The two clear 7 mil plies are glued and sealed only at the edges and tame unwanted overtones while focusing on the low frequencies. These heads are designed for loose tuning and deliver that low, fat, punchy tom tom sound that was a big part of classic rock and roll records. Frequency control that adds