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spkrplus

Responses from spkrplus

Moerch UP-4 v. Audio Technica AT1100 tone arms
Thanks very much for sharing your thoughts!  I had a chance to get a UP-4 as an upgrade from the AT1100, and suddenly it occurred to me that the AT1100 may outperform the UP-4 (I had a UP-4 decades ago and remember little about it).     I have two... 
Why are my woofers pumping?
Set the volume at the lowest setting at which the woofers pump with the platter spinning and the stylus in the groove. Place the arm at rest. Does the pumping stop or continue? If the woofer pumps with the arm at rest (at a volume at which you... 
Class D audio vs James Romeyn
m-db,That's very kind of you to mention, but I took absolutely no offense.  For the record, there are a couple fine points Re. NC400 assembly.  On at least six occasions, clients hired me to re-wire the same subtle assembly error for NC400 built b... 
Class D audio vs James Romeyn
I would like to take this opportunity to list some random notes Re. my James Romeyn Hypex Professional Build Service, specifically my Hypex NCore NC400 Stereo and Hypex NCore NC400BTL (Bridged Tied Load) high end audio power amplifiers. I respec... 
service manual for Marsh A 400 S power amp
Did you either of you find the A-400s service manual?  I also need service manual for A-200s.  Between the two above models, is one model more refined than the other, and if yes, which model is better?  (Unrelated to magnitude of power, which obvi... 
Thank you to the Audiogon Team
Customer service (Tammy) is quick, correct, direct, and courteous, rating a solid A+.  I wish she'd take over Comcast, the antithesis of "service." 
Paul Weitzel from Tube Research Labs
Just awful to read this terrible news.  So sad to hear of this.  Paul was a friend and a great audio mind.  I am happy to hear of Paul's being saved, and a brother in Christ.  My deepest condolences to Paul's family, especially his brother Brian. ... 
Anybody else using a distributed array sub system?
My intention in posting in this thread is to clarify, answer questions, and to avoid, as much as possible, soliciting kind members and any obvious sales pitch. If I fail, please let me know and if possible I'll delete and/or append  offensive tex... 
Salt Lake City, Utah
Any interest? I would love to host a gathering in Logan, UT, w/ food. Reference quality system, treated room, new tube circuit EL34, 93 dB AudioKinesis speakers w/Late Ceiling Splash radiation pattern I co-invented, etc...Interesting custom vinyl ... 
Speakers to audition at AXPONA 2015
Someone recently traded Merlin VSM for his Zephrin 46 and could not be happier (amp is 30W Spanish Ars-Sonum Filarmonia integrated). His room is slightly smaller than the one described in the OP. 
Requesting info on Audio Kinesis ZEPHRIN Speakers
Mapleshade/Pierre Sprey has long made and sold special speaker stands that elevate small box loudspeakers only about 2". He says such siting outperforms the same speakers at normal recommended listening height. I have long wondered about his uniqu... 
Salt Lake City, Utah
Howdy. I'm in Cache Valley, Logan, 80 minute drive NE of SLC. Would love to attend a gathering in or around SLC. 
Subwoofer: should we even use them at all?
In October 2011 Jeff Hedback (Hd Acoustics) and Nyal Mellor (Acoustic Frontiers LLC) published "Acoustical Measurement Standards For Stereo Listening Rooms." Hd Acoustics clients include Ozzy Osbourne, Lifehouse, and Trevor Horn. Page 19: “To obt... 
Review: Butler Audio TDB 5150 Multichamp
I'm considering the Butler TDB3150, 3x 150/225W @ 8/4 Ohms. I consider you a great source because of your experience with the Dodd Mk II monos. My main amp/main speakers are high-pass line-level crossed, 1st order @ 275 Hz increasing to 3rd order ... 
Review: Butler Audio TDB 5150 Multichamp
Thank you! Fantastic review! I'm buying one.