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23 Search Results Found |
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Forum: Silicon Valley «»
Posted on: Sat, 18 September 2004 15:38 «»
By: Gnational
LM3875
…"gainclones" when what they really mean is a LM3875 chip amp? No disrespect for 47 Labs but I mean really! The heart of the circuit is the National Semiconductor LM3875. That's really all there is to the "gainclone" so why do so many people refer to …
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Forum: Silicon Valley «»
Posted on: Sun, 17 October 2004 16:48 «»
By: Norris Laughridge
Where to get LM3875?
Where can I find LM3875's for sale?I don't need a kit. I only need the chip.Thanks, Tim
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Forum: Silicon Valley «»
Posted on: Wed, 17 June 2009 20:23 «»
By: Wayne Parham
Re: Group Build National Semiconductor amp
… am interested in the OPA404, OPA627 and the LM3875 and/or LM3886 chips. I am going to buy at least a dozen of each of the Burr Brown op-amps, so you you want some of those, you can get a quantity discount no matter what. On the others - the LM3875 and …
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Forum: Silicon Valley «»
Posted on: Tue, 11 May 2010 10:43 «»
By: Wayne Parham
Re: Dual input chip amp
Not exactly what you've asked for - as these are single channel amps - but I've always liked the LM1875 and LM3875 chip amps. They're very easy to use and they sound good. Just run two.
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Forum: Silicon Valley «»
Posted on: Wed, 05 May 2010 22:27 «»
By: Wayne Parham
Re: What Should I Look For In A Good Solid State Amp?
…traditional chip amps, like the LM1875 and LM3875. And of course the garden variety receivers and home theaters. Some are terrible but there are a few that actually sound pretty good. Close your eyes and you almost can't tell they're retail midfi.
I…
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Forum: Pi Speakers «»
Posted on: Mon, 02 November 2009 14:21 «»
By: Wayne Parham
Re: Multisubs
…-power chip amp, something like the National LM3875 or LM3886. All you need is a handful of passive parts and a power supply to build a good amp with one of these chips. The larger chip (LM3886) can deliver about 65W into a 4Ω load. That's about the …
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Forum: Silicon Valley «»
Posted on: Mon, 14 April 2008 12:21 «»
By: Dynavector
Re: Best chip amps
I like the LM3875. 47 Labs used it in their $3K Gaincard. David
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Forum: Speaker «»
Posted on: Tue, 07 November 2006 19:11 «»
By: Cheesehead
More info wanted on DCA speaker drivers, and help wanted on 1st horn speakers!
…to make these "active" speakers using LM3875 (30w max) amplifiers. Although overkill in terms of power, they're supposed to be quite good if used properly, and they're cheap, too. (I'm paying a grand total of only about 30$/channel for amplification - …
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Forum: Pi Speakers «»
Posted on: Fri, 22 September 2006 16:27 «»
By: Spinjack
Re: No Longer Sold
… the smae things, http://www.audiosector.com/lm3875.shtml). Definitely high quality stuff. Peter definitely has an eye for detail.I'm thinking the same thing about those drivers. Though $70 for a pair of Fostex drivers and then another $60+ for the amp to…
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Forum: General «»
Posted on: Tue, 05 September 2006 09:03 «»
By: wardsweb
I'm there too
…of my standards; Bottlehead S.E.X amp and LM3875 chip amp. I think I'll bring the speakers I got from Fred too. "High efficiency speaker incorporating an Eminence Alpha 8 woofer and a GR Research T-6 tweeter in a 1.5 cu ft tower enclosure. Nominal …
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