Call 603 659 5335 or email me

The long-awaited HUMAN 81 DK is now available.
Best viewed in "landscape" mode.


This is a tentative compendium of package inserts, instructions, and other paperwork I often include with speaker shipments.

They are formatted as Microsoft Word .docs, which can readily be opened by Open Office, among other free applications.

Tweeter damage warning

ACC 004 installation instructions (text only) - Web site version (with photos)

Care and feeding

Film capacitor "break in"


Direct Acoustics Silent Speaker 2 manual


This is a .pdf of JBL's notes on polarity of their older drivers.

Thank you!

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7 Kelsey Road, Lee, New Hampshire 03861

Prices can change and specifications will improve without notice

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