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Wisdom Series LS4 & LS3 Brochure
The Wisdom Series LS4 & LS3 Brochure, suitable for viewing or printing in Hi-Res. Contact us at information@wisdomaudio.com if you would like us to mail you a printed copy.


Sage Series Data Sheets (Hi-Res PDF - 15MB)
The complete library of data sheets on the Sage Series models, suitable for viewing or printing in Hi-Res. (Also see Literature above.)

Sage Series A4 Data Sheets (Hi-Res PDF - 15 MB)
The complete library of data sheets on the Sage Series models in A4 format, suitable for viewing or printing in Hi-Res. (Also see Literature above.)

Sage Series Data Sheets (Lo-Res PDF - 1.6 MB)
The complete library of data sheets on the Sage Series models in a Lo-Res version, suitable for emailing. (Also see Literature above.)

Sage Series A4 Data Sheets (Lo-Res PDF - 1.6 MB)
The complete library of data sheets on the Sage Series models in a Lo-Res, A4-formatted version, suitable for emailing. (Also see Literature above.)

Sage Series FAQs (PDF)
Get the answers to the most Frequently Asked Questions on the Sage Series (also available in our FAQ section)

Wisdom Superbars Spec Sheet(PDF)


Insight Series Brochure (Lo-Res PDF - 600 KB)
The Insight Series Brochure, suitable for emailing.

Insight Series Brochure A4 (Lo-Res PDF - 600 KB)
The Insight Series Brochure in A4 format, suitable for emailing.

Insight Series Brochure (Hi-Res PDF - 2.5 MB)
The Insight Series Brochure, suitable for printing.

Insight Series Brochure A4 (Hi-Res PDF - 2.5 MB)
The Insight Series Brochure in A4 format, suitable for printing.


Planar Magnetic Technology (PDF)
Information on Planar Magnetic Technology

Regenerative Transmission Line® Subwoofers (PDF)
A detailed description of the unusual subwoofer technology used in Wisdom Audio subwoofers.

US Patent 2,765,864 (PDF)
1955 patent describing a system quite similar to the Regenerative Transmission Line system used in Sage Series subwoofers. An idea that was before its time...

AES paper from 1959 (PDF)
AES paper from 1958 (published in 1959) describing a system quite similar to the Regenerative Transmission Line used in Sage Series subwoofers. An idea that was before its time...