Vifa P13WH upgrade (P13WH-00-08) midbass woofer

Arguably the best midbass in existence. Impressive flat frequency response and cast magnesium frame. Some comments, review, and designs with this 5.25" midbass:

Linkwitz' mid test

Lynn Olson' Ariel


North Acoustics Spirit

Marshall Leach


Troels Gravesen test

SDS Okara

Daline Transmission Line

The Merrimac

My own S7 OB Speakers

Manufacturer's specification

LDSG review

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