Fostex FE103E Backhorns

I use these speakers in the second chain in my studio. It's the Fostex BLH project for rhe FE103E fullranges. Very rich tonal balance and a precise and large soundstage!

Internal labyrinth of the raw cabinet Close-up of the compression chamber Assembling them for a test.. Trial listening session for chosing the damping material disposition Applying Dammar varnish on the backside flares.. Backside flares for the rear emission Applying plumber plaster on the conners.. Bullwrap and silver wires in the compression chamber Applying the vinylic glue.. Glueing the side panel FE103E Speakers before and after applying the plumber plaster The fullrange with the plumber plaster (similar to Blue Tac) Soldering the fullranges... Silver wires and gray tac Frontal view Front & rear view Silver plated AN binding posts 3/4 view A closer view Close-up of the horn flare Making holes for applying the base.. Screwing the steel bars with spikes.. Bars & spikes in place Bars & spikes in place Little piezo dipole super-tw used to add just some "air" in the high region.. Filter: 0,33+0,1uF Russian PIO caps and a 10 Ohm ceramic resistor