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We're finally finishing "phase 2" of a sound reinforcement upgrade at our church. We have a moderate-sized (capacity ca. 80-100 people) "parish hall" space that was wired up a little before COVID with four 70 V speakers connected to our "house" (sanctuary) PA amp. THe room also was wired with a...

Nobody may care (especially outside of the US), but I just saw this on the Polk forums & thought it might be of sufficient interest to some folks here to be worth a mention. https://futureaudiophile.com/bose-yanks-mcintosh-line-from-magnolia-stores-nationwide/ Again, though -- offered strictly...

A couple-three of us A/V nerds at church (including our pastor, I might add) are redoing the sound system in the sanctuary. We installed new loudspeakers yesterday (no mean feat, but fortunately one of us had scaffolding at home, which he kindly went and got when we saw that working with ladders...

... or maybe I am just far too naive. ;) Let me see if I can ask this question clearly... I "realize" (or maybe "I believe" :)) that, for sine wave testing (i.e., single frequency, steady state test signals), harmonic distortion in an amplifier would manifest itself as any added harmonic...

All y'all may know this already, many of all y'all may simply not care, but I just read at audiokarma.org that the library of manuals (mostly test equipment, it appears) once held by a company called Manuals Plus (which closed in 2015) are is in the process of being uploaded to archive.org...

I just noticed that the outstanding archive site World Radio History has added a tranche :) of Heathkit catalogs and now has probably the best single collection of scanned (and searchable) PDF copies on the internet. They've also broken the collection out to its own web page...

Moderator(s) - by all means feel free to move this if there's a better place for it! I am frustrated by the playback quality of streaming audio I capture using Audacity on a Wintel computer. I am also very naive on the fine points of the subject, so I have (finally!) gotten up the gumption...

... maybe one of you can help! OK, here's the deal. Down at the end of our south field, on our neighbor's farm, there is a small stand of tall deciduous trees that are quite different than the usual suspects around here. They leaf out quite late compared to everyone else. When they do, they...

If they're gonna have a sophomoric name -- I'm gonna lean into it. Schiit's got a new (?) vacuum tube headphone amplifier, using an actual tube (twin triode) with actual plate voltage (100 V), actually cheap ($149). Do we know anyone who might want to test one...

An amazing and hyper-useful resource for us all. I hope it remains as a service in perpetuity. I've long wondered about the back story, because it is such a mammoth undertaking. https://tvnewscheck.com/business/article/david-gleason-builds-a-digital-archive-worth-honoring/...

Just saw mention and some positive feedback on this new (?) loudspeaker project, and wondering if anyone here knew of 'em and/or were paying any attention to this? I did a quick keyword search here & didn't see anything, so I figured I'd take a chance and just ask...

There's a current thread at the Polk forums discussing a video review (by good ol' DR, in full disclosure! :facepalm:) of the 'vintage' Polk LSi9 loudspeakers. https://forum.polkaudio.com/discussion/198948/danny-at-gr-beats-up-on-the-ole-lsi9 The following comment appeared in that thread. I...

https://www.bizquest.com/business-for-sale/custom-speaker-manufacturer-brooklyn-new-york/BW2084589/ Ohm is for sale, it appears. Pretty reasonably priced -- about the same price as a decent house on a decent sized piece of property here in 2023. ;) I actually have a pair of Ohm Walsh 2s in...

Bringing you yesterday's products tomorrow seems more and more to be the default business plan for "new" loudspeakers. https://www.mcintoshlabs.com/products/speakers/ML1?utm_source=newsletter&utm_medium=email&utm_campaign=ML1announcement Some entertaining chatter about this "new" product...

https://www.yahoo.com/entertainment/remembering-john-lydon-and-nora-forster-punks-greatest-love-story-once-i-make-the-commitment-its-forever-202649546.html Certainly a sweeter story than Sid & Nancy.

I realize that some of y'all are fortunate enough not to remember the 1970s. This thread topic may, or may not, be for you! ;) I was just reading a thread at audiokarma which contained a link to an "explanation" of sealed (and, by implication, acoustic suspension -- as opposed to other sealed...

So, there's been some back-corridor murmuring about vintage hifi and ASR* and, as sometimes happens, I come to this place, hat in hand, as something of a de facto spokescreature. I.e., don't kill the messenger, OK? ;) There's a moderate, persistent interest in hifi of old, even here at ASR...

https://ampapa.net/products/a1 [emphasis added] Kinda makes you wonder how many carelessly designed products they've been responsible for, doesn't it? :cool: Snark aside ;) It's cute, and it's cheap, and it has tubes. And the company has a fashionably ridiculous name. I wonder if they're...

Not sure if it is kosher to post this here*, but I just saw this at the Polk forums and I wanted to share it somewhere. :) Polk is having a "friends & family" style sale -- Polk forum members only, it says... but that's a pretty low bar (don't ask me how I know this). Ahem. :cool: As I think...

So, I'm a scientist, not a historian, but I am still fascinated by history... and I crave context. You all know that the late Sir Clive Sinclair is regarded as the purveyor of the first significant PWM amplifier products for audio. https://www.vintage-radio.net/forum/showthread.php?t=81139 A...