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Showing content with the highest reputation on 10/29/2016 in Posts
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Hi Guys I got some horn speakers about 8 months back. They are floor standers, and naturally I sat them on the floor. But found they were slightly too low for my desk system. I thus raised them on ceramic house bricks to 20 cm off the floor, which worked ok but looked awful. Anyway, I finally got around to replacing the bricks with custom black marble plinths. They look better but interestingly the bass now is less bloated and goes lower and jus more tuneful. Odly I think the imaging and treble are cleaner as well, I think I am not imagining that. Maybe the whole speaker being sat on a wobbly mount of fowl and bricks was not so hot? It think the ceramic bricks were vibrating to some extent or / or the holes in them were interacting with the energy from the down firing 12 inch bass unit. I filled the leg cavities with expanding foam to remove and resonances, and fitted adhesive backed neoprene tape to the base of the legs, and epoxy glued the legs to the top plate. On top of the plate I used thin foam packing film, about 2 mm think. It has resulted in a super solid and movement / resonance free mount from speaker case to floor. Each plinth is about 50 kilos.3 points
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Daytona Beach, 29.2N, now 79F, high today 82F. Life does not suck here. Also there is THIS3 points
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Seems to have gone unnoticed but the new MacBook Pro looks really nice. I like the change to four USB-c/thunderbolt 3 ports. Still deciding on the touchbar. Pretty, sure this will be my next computer.2 points
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Hi! If you are not afraid to disassemble your drivers, fixing the imbalance problem isn't that difficult. Most of the times, recoating the diaphragms solve it all. I can help you guys with any problem you have. Just let me know. Wachara C.2 points
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Test Tone @ Home live right now: http://mixlr.com/illuminator/chat2 points
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I have my speakers decoupled (granite slabs resting on sorbothane pads, then the speakers are on spikes on top of the slabs). I've only lived in old houses with bouncy wooden floors, while owning these speakers, and decoupling substantially improves bass quality in that situation, and helps prevent bothering neighbors. Without decoupling, these old trampoline floors vibrate horribly.1 point
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Yeah, I figure 2 years in South Dakota is worth at least 20 years almost anywhere else.1 point
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Damn, son, those are both beautiful, the speakers and the stands. I'm fully a believe in speaker stands, but not sure where I stand, in the 'decouple' camp, where the speakers are intended to be decoupled from the floor so that floor-borne vibrations don't transmit back to the speaker through conduction, or the other camp, where you start with the assumption the floor is the most inert thing, and ...couple? Whatever the opposite of decouple is...the speakers to the floor. It sounds like from what you say that the speaker stands are inert enough that you coupled your speakers to the stands. Honestly, I would have them as forward on the stands as possible. You know, edge effect. It's less noticeable near the bass driver, so you may be fine, but I always want my drivers to be the most forward thing in the vicinity.1 point
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May I jump in and quote myself? Volumite consists of ATtiny85, potentiometer and voltage regulator. At picture above there is a ATtiny on the breadboard, power supply and potentiometer. The microprocessor is programmed and it seems that I get the correct signals to control the digital attenuator. I don't believe you can use Twisted Pear Audio's codes with Kevin's digital attenuator.1 point
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About 50F here in the UK, and looking to cool down during November with night frosts and snow on high ground. Texas (30N) is on the same latitude as Egypt, Saudi Arabia and Kuwait. The UK (51-53N) corresponds to Southern Alaska. Factoid No:47b1 point
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Birgir can chime in for more on details but this what I have learnt from some of the posts used to eliminate small channel imbalance issues. Just tap the housing with gentle force as sometimes the diaphragm (mylar) sticks to the stator. Leave the earspeaker playing music until the channel balance fixes itself (time can vary, one of the Nova Basic's I had took 3 weeks for the balance issue to go away). While the headphones are unplugged, short the connectors on the plug with your finger (you may hear a slight woosh noise as it discharges it). Recoat the diaphragm or replace the entire driver (absolute last resort option). If under warranty, get in contact with your retailers/local distributor. Use the channel balance pot on your amplifier to balance channel imbalance if none of the above works.1 point
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I love that "what is aes67 and why should I care?"headline. Since the story didn't tell me either thing. So. Somebody, what the heck is this protocol? And if it's got for real error correction, I could be seeing the point, vis USB....1 point
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Under $2000, provided you (1) already have all the tools you need, (2) use an inexpensive volume control, and (3) keep your casework modest. (I did none of the above.)1 point
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