Sound-box Diaphragms

Sound-box Diaphragms

Created by John Sleep on Monday 29th of October 2018 04:39:01 PM

I have recently found some very desirable unused original old-stock aluminium sound-box diaphragms. The first ones pictured are fluted and with a diameter of 55mm. They are made for Columbia boxes, I suspect, but could be readily adapted for many other sound-boxes.

Columbia type diaphragms £8 each




The second ones are, the very hard to find, diaphragms for the HMV No.5B

HMV No.5B diaphragms £12 each

sound-boxes and are complete with the “spider” attachment. These diaphragms are a real find for those prepared to undertake the tricky job of restoring these very good sound-boxes.