18W4531G + D3004-6620 Passive Crossover Design

Passive Crossover Design for 18W4531G + D30046620

Crossover design for Scanspeak 18W/4531G Revelator, 7″ Midwoofer and the ScanSpeak D3004-6620 1″ Tweeter

No designated box alignment.

Additional Notes: Crossover point about 2.7 kHz. Nominal output ~ 87-88 dB.  Very clean design with low parts count and single hi-pass cap. Minimal padding in hi-pass circuit.

 

FW305+15M4624G+XT25BG60 3way Crossover Design

FW305+15M4624G+XT25BG60 3way Crossover Design crossover “points” at about 400 Hz/ 1.9 kHz/ 3kHz This design uses the Fostex 12″ woofer in 3.0 cf3 vented with two ports each 3″ x5″, add 1″ if using double flared. Scanspeak 15m midrange in 0.1 cf3 sealed. The tweeter is a high output Ring Radiator with phase plug. Two

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