COMPACT ELECTROACOUSTIC TRANSDUCER AND LOUDSPEAKER SYSTEM AND METHOD OF USE THEREOF

1 . A loudspeaker system that comprises:

(a) a card stack that comprises a plurality of electroacoustic transducers, wherein the electroacoustic transducers in the plurality of electroacoustic transducers comprise a conductive membrane;

(b) a card stack holder that houses the card stack;

(c) a sealed chamber comprising a circuit board operable for controlling the speaker; and

(d) a speaker case having a perforated grill, wherein

(i) the card stack holder supports the perforated grill,

(ii) the card stack holder secures the card stack to the speaker case; and

(iii) the card stack holder provides a watertight electrical connection to the sealed chamber.

2 . The loudspeaker system of claim 1 , wherein the card stack comprises a top cap printed circuit board operable for routing connections of the card stack to a connector.

3 . The loudspeaker system of claim 1 further comprising a conductive material that makes the electrical connection to the conductive membranes of the plurality of electroacoustic transducers in the card stack.

4 . The loudspeaker system of claim 3 , wherein the conductive material comprises a metal material.

5 . The loudspeaker system of claim 3 , wherein the conductive material is a rod that makes electrical connections to the conductive membranes.

6 . The loudspeaker system of claim 1 , wherein the loudspeaker system comprises a plurality of card stack holders.

7 . The loudspeaker system of claim 1 , wherein the card stack holder housing the card stack is a watertight driver assembly.

8 . The loudspeaker system of claim 7 , wherein the watertight driver assembly is a watertight electrostatic driver assembly.

9 . The loudspeaker system of claim 7 , wherein the watertight driver assembly is sealed with a UV cure epoxy or hot-melt glue.

10 . The loudspeaker of claim 1 , wherein the card stack holder is an injection molded plastic part.

11 . A method comprising:

(a) forming a card stack holder;

(b) mounting a card stack that comprises a plurality of electroacoustic transducers within the card stack holder, wherein the electroacoustic transducers in the plurality of electroacoustic transducers comprise a conductive membrane;

(c) connecting stator tabs and conductive membrane connections of the card stack, wherein the conductive membrane connections comprise a conductive material; and

(d) sealing the card stack holder with a sealant material to seal the connected stator tabs and the conductive membrane connections.

12 . The method of claim 11 further comprising incorporating the watertight driver assembly in a loudspeaker system.

13 . The method of claim 12 , wherein the watertight driver assembly is a watertight electrostatic driver assembly.

14 . The loudspeaker system of claim 12 , wherein the card stack comprises a top cap printed circuit board operable for routing connections of the card stack to a connector.

15 . The method of claim 12 , wherein

(a) the loudspeaker system has a sealed chamber comprising a circuit board operable for controlling the speaker, and

(b) the method further comprises electrically connecting the watertight driver assembly to the circuit board.

16 . The method of claim 15 , wherein

(a) the loudspeaker system further comprises a speaker case having a perforated grill;

(b) the card stack holder supports the perforated grill;

(c) the card stack holder secures the card stack to the speaker case; and

(d) the card stack holder provides a watertight electrical connection to the sealed chamber.

17 . The method of claim 12 , wherein the conductive material comprises a metal material.

18 . The method of claim 12 , wherein the conductive material is a rod that makes electrical connections to the conductive membranes.

19 . The method of claim 11 , wherein the sealant material is a UV cure epoxy or hot-melt glue.

20 . The method of claim 12 further comprising incorporating a plurality of watertight driver assemblies in the loud speaker system.

21 . The method of claim 20 , wherein

(a) the loudspeaker system further comprises a speaker case having a perforated grill;

(b) the card stack holders in the plurality of watertight driver assemblies support the perforated grill;

(c) the card stack holder secure each of the card stacks to the speaker case; and

(id) the card stack holders provide a watertight electrical connection to the sealed chamber.

22 . The method of claim 11 , wherein the card stack holder is formed by an injection mold process.