Responses from borris

schematics drawing of Dunlavy crossover
Dear Audiogon member... did you have any success in finding a copy of a Dunlavy sc-V crossover network. Thanxs fellow member, Gary van 
Ann Arbor, MI.
Love to che4ck a club... 
Opinion on JJ 12at7 tubes
12at7 (dual trioded) tubes in general are not a very linear device... (compared to say 12au7's or 12ax7's)(there NOT interchangeable though) Many times the engineer uses a choice of tube that intentionally to generate mild orders of 2nd order dis... 
Ann Arbor, MI.
Would like more information on club activities. Any speaker designers/builders?