{HEAD ~ The throat device} comprises a substantially straight body member having one end to be coupled with the horn, and {TAIL ~ at least two curved branch members} coupled with the other end of said body member such that no phase interference occurs in a high frequency sound range 
comprises
{ HEAD ~ The throat device } comprises a substantially straight body member having one end to be coupled with the horn , and { TAIL ~ at least two curved branch members } coupled with the other end of said body member such that no phase interference occurs in a high frequency sound range
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH