Want to purchase a chime from KNOCK or just want more details?

Have a vintage chime you would like to sell or trade-in?

Want me to repair or restore your vintage doorbell?

Have a request for a custom designed doorbell?

Have questions about your vintage chime not covered in the Tech Advice pages?

Want to propose an electronic replacement for the Rittenhouse dashpot?

Have any other thoughts about KNOCK or the fancy chime universe?

Wnat to report a typo? I have intentiaonally included dozens to satisty you inner proof-reader!

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