6DJ8/6922 There are literally tons of them out there.
Amperex, RCA, GE, Sylvania.
Used in scopes and test gear, Lots of industrial electronics.
Extreme performance, High gain, Low noise, Low microphonics, Versatile, Rugged.
I have over 100 of them and 50 are Bugle boy's.
See them all the...
We already thought of that problem, Fixed it by machining the platter with a .0035" incline that traps the LP into a bowl shape.
Tonearm runs at about 12 PSI.
Also NEVER use Silicone! it creeps.
The platter has a .0035 bowl shape that flattens out the LP.
The arm operates usually around 12 PSI, Pictures are from 2005.
Never use Silicone~! It creeps and ruins everything. We use 50 weight Mobil 1 Synthetic (Has no smell).
Fluid damped Linear Air Bearing Tone Arm plus Metal platter mat.
100% Linear tracking, Friction-less bearing, Fluid damped cartridge. End game performance!
"Fluid damping" This ultimate design negates arm resonances and eliminates cartridge induced vibrations.