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johnk

Responses from johnk

Best subwoofer?
I have owned dual decents, many velodynes, HSU ,JM labs many many others and by far the best bass you can get is not with the compramised sub woofer designs but from a true bass system. Subwoofers are flawed in design from the start, you need mass... 
Problem with sub amp?
Loudspeaker produce electricity you are moving a coil in a mag field thus producing AC. Your sub amp sence this as signal so power up.Amps are fine but seems you have a ground loop problem have you tried a cheater plug to remove ground on sub amp ... 
Best super teeters to add to pair of horn speakers
Fostex t90aex,t900a t500a2 are the best arround have not heard any others close. If you like I can offer new fostex tweeters set up to match your system. Please check my feedback I have done this for many others a ribbon wont match your horns as w... 
Xover parts quality,/sound difference?
Sure quality parts can be important but the total design is what matters.I do tend to use simple semi 1st order networks with very hi-quality parts in many of my loudspeaker designs also very hi-quality transducers and cabinets.Then like Bobby sai... 
The best speaker you ever heard?
Converging Quad Oris 150 horn array with giant upsized decware imps and t900a tweeter.But Iam working on something better. Pic http://steinman.mesls.org/stereo/J%20Kalinoski%20Loudspeakers%20101.jpg 
Which speaker binding posts?
Mundorfs .I also tend to perfer low mass designs like WBT. 
Tweeter quest
Go with a raven r3 and shit can the rest and start over.This would yield a better sounding loudspeaker than adding a ribbon to a loudspeaker designed for a diferant transducer. Ribbons sound wonderful but system needs to be design as a whole. Not ... 
What speaker would you replace magnepan 2.7's with
Horns that can run on very low power would be considered hi-eff or high efficiency.Maggies are far from hi-eff;) 
What speaker would you replace magnepan 2.7's with
I owned 2.7 nice loudspeakers but a bit grainy and hard. YMMV. Why not pick up a used 3.6? If not Hi-eff horns and ribbon systems are what I moved to after my time with maggies, sound labs, ML and a few other electrostatic planar and ribbon system... 
Lowther speakers
You might want to look into fostex drivers I have used many lowthers and to me fostex makes some drivers that are as good or better for much less cash.YMMV 
Speaker Lifespan
depends on designs, but I have a 1895 edison horn that still works ;) Caps change values with age,surrounds rot, paper surrounds last a long time but driver cones get brittle with age. I have had more than a few voice coils drive right through pap... 
Zu speaker owners - do you have any gain issues?
This has never been my findings with hi-eff loudspeakers bet you will have no problems with gain. 
Speakers for metal, hard rock ... also SS amp
How about a dual 18in per loudspeaker ,hieff woofer system, with giant hieff ribbon, 102db 30hz-40khz. 1st order crossover ,baltic birch plywood cabs ,fully cherry veneered ,nordost internal wire.Ea woofer is in its own optimized cabinet inside la... 
HELP Horns, Stats or Conventional Speakers
Many theaters use horns, HT is easy for a good loudspeaker to reproduce music is hard to do well. 
HELP Horns, Stats or Conventional Speakers
Go front horn, I owned stats for years , If you cant fit front horns maybe a back horn or hi-eff ribbon loudspeaker or maybe a Open Baffle. Dr Edgar makes some cool horns or look about audiogon, oris systems might fit your room.