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	Stardate: 20210323.2039
	Location: xiled rumintation concentrator
	Input Device: Repurposed Lenovo ThinkCentre
	Audio: aNONradio Open Mic
	Visual: concentrator interior
	Emotional: fed, groggy

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	Learning myself a little about speakers. Currently, I am testing
	audio in the xiled rumination concentrator. So far, it sounds
	pretty good. There is a salvaged Sony receiver (Model STR-SL7)
	that I picked up from the dumpster at work. It works, but the
	digital display does not so I have to fuss with the menus blind.
	Good thing I found the manual online. It also has a big dent on the
	top.

	There is a set of Zenith home theatre speakers and subwoofer attached
	to it that were left behind by the previous owner of my house. The
	receiver requires speakers with a range of 8-16 ohms, but the
	speakers are only 4 ohms. I ended up wiring the speakers in a series
	(for a total of 8ohms) and only having the left and right channels
	+ subwoofer, with 2 speakers facing me and 2 speakers + subwoofer
	behind me in the concentrator. The wiring is basically this
	(sorry for lame drawing...need Visio for gopher):

	___________
	[ SONY ]
	[RECEIVER ]
	[ ] [Left Speaker (rear)] [Left Speaker (front)]
	[Left POS ]->->[POS]->->4ohms->[NEG]->->->[POS]->-4ohms->->[NEG]->->
	[ ] /
	[Left NEG ]<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-8ohms<-<-<-<-<-<-<
	[ ]
	[ ]
	[Right POS ]->->[POS]->->4ohms->-[NEG]->->-[POS]->-4ohms->->-[NEG]->->
	[ ] [Right Speaker (rear)] [Right Speaker (front)] /
	[ ] /
	[Right NEG ]<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-<-8ohms<-<-<-<-<-<-
	[ ]
	[SUBWOOFER ]
	[ OUT ]->->->->->[Subwoofer Amp]->->->[Passive Subwoofer]
	[__________]


	The Zenith subwoofer is passive but the receiver requires an active
	subwoofer. I have an old amp that I salvaged after I totaled my
	bike a few years ago, so I hooked that up and it seems to work
	perfectly. Not sure if it's bad to use that, but that's what I've
	got.

	Yeah, the setup is a bit much, but I got to learn stuff and now have
	nice sound and thumpin' bass from parts that would have otherwise
	ended up in the landfill.

	Here's some pics:

	Receiver and speakers
	Amp for subwoofer
	Added connector for subwoofer

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	Gophered by Gophernicus/101 on NetBSD/amd64 9.3