SP/GOG 360 QEV diaphragm question

[deadmeat3344]

Hello,

I recently acquired some NOS SP/GOG 360 qev's. Who makes a diaphragm that fits these incase the current ones are dryrotted?

[woouulf]

Have you contacted GOG?

[deadmeat3344]

I sent them an email but figured I would ask here if there was a quick reference for a source