Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time.

---

[ Follow Ups ] [ Post Followup ] Thread: [ Display  All  Email ] [ Vintage Asylum ]

---

[ Alert Moderator ]

---

Wharfedale W70 to become subwoofer - inductor advice

Posted by PeterI (A) on December 11, 2007 at 16:23:27

Maybe someone here can help me. I have a single Wharfedale W70 speaker ('63) in great condition. But after looking for a match, I have given up and want to use the quality woofer and sturdy cabinet for a passive subwoofer. I will use an extra SS amp I have to power it.
How can I make this woofer cut off at around 70-80 Hz? What value of inductor in mH should I use? Not looking for precision, just "close enough for jazz".
I realize the woofer was not meant for big power - for my pupose it's only for subtle bass reinforcement. I have some old inductor coils; good big ones too.

Also, should I "Y" both channels from preamp into one amp input?
Is it possible to block high frequencies before the amp?

Thanks,
Pete

This post is made possible by the generous support of people like you and our sponsors:

Atma-Sphere Music Systems, Inc.

---

[ Top of Page ] [ Contact Us ] [ Support/Wish List ] [ Copyright © 2025, Audio Asylum, all rights reserved ]

---

[ General ] [ Speakers ] [ Tubes ] [ Vinyl ] [ Digital ] [ Hi-Rez ] [ Video Asylum ] [ Cables ] [ Tweaks/DIY ] [ Music ] [ Films ]

---