ikay

I got hold of some magnetic viewing film and took a pic of the Benedetti (top) alongside a standard jazz pickup. The Benedetti has a somewhat fatter (and probably flatter) coil which bears out the P90 type construction. Interestingly the flux image looks like a single blade rather than 8 separate poles but I think that's because the Benedetti poles are a little bigger and set in one long evenly-spaced row (bottom pic).

Aha! Thanks itu

That's an interesting pic - how does this magnetic imaging work itu?

Thanks Hellzero, that's very helpful. I found some basic pickup spec on the 4C and a bit more descriptive info on an old Vigier Guitars website page. Interesting that they use Alnico 8 magnets. I'm still curious about the intricate sculpting on the underside of the neck pickup! The Excess is equipped with twin single-coil pickups designed by Benedetti. Two Alnico magnets are fitted for each string. They have a wide frequency band that accurately reproduces low-end and high-end response. Only the finest materials are used ; Alnico 8 magnets for the poles and pure copper and silver alloy wire for the coils. To reduce microphonic feedback, the pickups are wax potted and bolted down with 4 adjustment screws.

Does anyone have any insight into the internal construction (winding spec and magnet type/configuration etc) of these glorious Benedetti single coils in my Vigier Excess? From the back they appear to be wide aperture SCs (much wider aperture than a jazz) set in a humbucker size case (I wonder why the HB size case?). Passing a screwdriver across the front of the pickup suggests 8 individual pole pieces (similar to a J) running down the centreline, but on the underside, the bridge pickup appears to have a narrow full length bar of some sort. The underside of the neck pickup looks quite different, I wonder what's going on there! I'm just curious. I love these pickups and would like to know more about how they're put together. Any input appreciated!

There's one (listed as sold) on the Rob Allen accessories page here - https://www.roballenguitars.com/acce/4-string-piezo-electric-pickup It looks very similar to the one on the Thomann link. It seems to come in wide (3.2mm) or narrow (2.3mm) formats so measure before you buy!

Just bought a Broughton RFE pedal from lunoxx. Seamless transaction, good comms, quick delivery, very well packed, pedal is in excellent condition. Many thanks Chris!

This one from CPC Farnell looks very similar - https://cpc.farnell.com/unbranded/t-637si/635mm-jack-socket-stereo-switched/dp/AV19951? £7 and in stock.

The venerable GK 800RB amp (with bi-amp capability) has a variable crossover you can set between 100Hz and 1kHz. Which is probably a good guide for a suitable range of x-over frequencies.