Speaker system

Details Speaker system Speaker system

1977-03-18

1978-12-26

Tomsky, Stephen J.

Acoustics

Diaphragm

Plural dependent diaphragms

181166, 181156, G10K 1300, H04R 700

Patent

active

041311809

ABSTRACT:
A speaker system comprising a speaker unit, a drone cone driven by the speaker unit; and a removable weight loaded on the front of the drone cone which can be exchanged from the front of the drone cone.

REFERENCES:
patent: 1930186 (1933-10-01), Swallow
patent: 1988250 (1935-01-01), Olson
patent: 2013953 (1935-09-01), Grissinger
patent: 2713396 (1955-07-01), Tavares
patent: 2853145 (1958-09-01), Martin
patent: 3074504 (1963-01-01), Trautman
patent: 3780824 (1973-12-01), Prince

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