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Multi-Way Conventional loudspeakers with crossovers

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Old 24th December 2003, 10:06 PM   #171
darkm4n is offline darkm4n  Romania
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Old 24th December 2003, 10:09 PM   #172
darkm4n is offline darkm4n  Romania
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Old 25th December 2003, 01:54 AM   #173
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Wow. Interesting setup you have there. I guess sound is more important than aesthetics to you. I'm sort of one to leave equipment strewn around, myself. However, if I left it open like that, my dog would destroy it. I think you should post that in the 'ugly amp' thread if you haven't already . By the way, I've never heard any OB speakers before. How do they sound compared to sealed/ported/PR?

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Originally posted by Flemming J P
And now to something completely different.

The following picture might seem distributing to some people .


First off, it actualy works and I think it sounds pretty good.

The DAC (the stuff below the TV and in the shoebox) was the first I built from scratch. Currently it is a 2 X 1541S1 NOS using Elso's async reclocking, CS8412. I/V is done by opa627 followed by a buf634.

The speakers are fostex FE206E OB (they have moved on to some larger spiral shaped baffels). For bass I use JBL2225 in former bas reflex boxes now seal. They are soon gonna be OB too. (Yes I know not the perfect drivers for OB, but I want to try anyway)

In order to get a decent response from the JBL they are getting a 12db boost, which accorid to my calculations should make them roll off at 50 hz
XO: Highpass is a 6 db line level XO in front of an opa627 with gain of 1. Lowpass starts with my bass boost and the XO is the ASHLY.

The amps are 4 lm3886, each with a 300VA and 2 X 1000 uf silmic. Next project for them are regulation and then a decent box!

And if I haven't given you any reason to flame my setup: The total count of regulators is 37.... all lm317 and lm337

Merry Christmas
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Old 25th December 2003, 11:17 AM   #174
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Quote:
Wow. Interesting setup you have there. I guess sound is more important than aesthetics to you.
Yes and no. But when I have build something I want results fast, and most of the stuff is still prototypes with lots of changes on the drawing board.

Only the amps will get boxes in the near future.

Quote:
I'm sort of one to leave equipment strewn around, myself. However, if I left it open like that, my dog would destroy it.
All my pets are locked any. Last time they got near my setup, my dac suffered 4 cut wires, lucky for the dac and the pet, that it wasn't on.

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I think you should post that in the 'ugly amp' thread if you haven't already.
I will, the amps have some very unusual features

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By the way, I've never heard any OB speakers before. How do they sound compared to sealed/ported/PR?
I can't say anything about the bass department yet, but for the midrange more air, more detail. I'm never going to cage a midrange again
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Old 25th December 2003, 03:07 PM   #175
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Default Oh, HT stuff

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Originally posted by michael
i really dont mean to offend anyone but can anyone tell me why all us DIYers have our fantastic diy speakers subs etc all connected to either an old computer and/or a small 48cm tv, perhaps if diy tvs were practical we would have huge ones, any thoughts?
I've separated music from HT and were I to do it over again I'd go with a front projector. I haven't made it pretty yet but it sounds great. The center channel is still in development, the black column on the right is a Shiva 'tube, on the left a vented Tempest, my Isa mains, Pyle Pro amp, BFD, JVC 5.1 receiver, Toshiba DVD, and Toshiba 65" HDTV and Dish receiver.
My web page.
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Old 25th December 2003, 04:15 PM   #176
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vs. the music setup. Bipole Voigt pipes, S5 Electronics amp, Sony SACD player, Adire AV8 sonotube powered with the Apex Jr 25 watt plate amp.
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Old 25th December 2003, 04:19 PM   #177
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Default S5 tube amp

modded from the original kit design
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Old 25th December 2003, 11:13 PM   #178
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Default this setup caused WAF problems

wich one serves as pc-speaker?
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Old 26th December 2003, 12:13 AM   #179
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sorry the picture
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Old 27th December 2003, 11:42 AM   #180
Doug is offline Doug  Canada
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Default JBL Pics

Hi Lieven;

Are those JBL 4435's in the center of the picture? And on the left L250 WX's ? Circa 1981 or 1982 ?

Doug
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