Search found 3 matches

by mike_s
Mon May 07, 2012 7:35 pm
Forum: JLM Audio Kits
Topic: JLM 60Watt Power AMP Kit
Replies: 255
Views: 324462

Re: JLM 60Watt Power AMP Kit

Hi Joe, thanks for helping. As I understand it from Rod's page (and others) f3 is simply a function of the baffle size, so 380/0.66 = 570 Hz. I have a small L-shaped room, and it will go kind of in the bend if that makes any sense, about 2-3 feet on each side to the nearest wall and about 3 feet out...
by mike_s
Sun May 06, 2012 7:02 pm
Forum: JLM Audio Kits
Topic: JLM 60Watt Power AMP Kit
Replies: 255
Views: 324462

Re: JLM 60Watt Power AMP Kit

Hi, I'm building a single killatone as per http://www.johnlsayers.com/phpBB2/viewtopic.php?f=12&t=297 but with a fostex 120. But I think that is largely irrelevant to my question which is about the baffle step compensation. Instead of the passive design shown, I am thinking of using Rod Elliots line...
by mike_s
Wed Aug 10, 2011 12:29 pm
Forum: JLM Audio Kits
Topic: AMP HEAD Build Thread
Replies: 87
Views: 140823

Re: AMP HEAD Build Thread

Hi, I have a 200ma 48v DC unregulated wall wart, that actually measures 61volts. Give or take a bit depending on mains supply variation I guess. Would that be ok as is, or would you recommend regulating it to 48v? Is there any problem with what I am guessing is a diode bridge and a couple of caps in...