Posted by Tom B. on October 24, 2001 at 15:46:09:
In Reply to: Re: Nirschel BBb 5th valve 6/4 I have ?'s! posted by Jay Bertolet on October 24, 2001 at 15:36:31:
There is a Floyd Cooley Helleberg now, which is a Conn Helleberg 7B with an more open backbore. Windsong press sells them for $125 along with Floyd Cooley's own site. He claims to use it alone on his Nirschel 6/4 CC.