Just throwing this out on here, maybe useful for another Bills design for midrange use on a specific horn + waveguide build from maybe 900-8kHz? OR can be a new driver for Omni Tallboy series? Looks like a nice driver and Precision Devices from England are now available in the US, just throwing it out there.
[url]
http://www.precision-devices.com/Produc ... ls/PD615WG
Maybe our GURU can chime in? Thanks everyone!

BaasssS, . . how low can you GO!