Onkyo mid-range condenser crossover

Testing the Fostex FT90H super treble speaker with an 8kHz oil-filled capacitor crossover.

Onkyo mid-range condenser crossover

Super treble Coral H105 performs at the top of the peak

VIP goods Fostex GS99S, Ft50H, Coral H105

Fostex ft96H performs very well

Test 8khz oil capacitor crossover with Fostex T90A

Fostex's classy super treble pairs

8khz oil capacitor crossover with Fostex pt 50h extremely good

Test crossover before sending to customer

Fostex T900A gold vip uses high-quality magnesium membrane

800hz oil capacitor crossover, Onkyo hm500a mid horn, extremely cool

Test oil capacitor crossover, JBL 2405 speaker before shipping