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Old 9th April 2010, 07:18 AM   #1
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Default 200 x 2" drivers What to do?

OK, so I have 200 2in cheap full range drivers on the way (yes the Parts Express buyout ones). I was thinking of experimenting with line arrays with 3 columns of drivers 33-34-33 each side with the center column offset half a driver length.
I'll till try this configuration anyway out of curiosity.

I'm sure people have tried planar arrays with conventional drivers?
How do you think a 10x10 array would go? maybe convex curved? dipol?

I'm not expecting great sound from $2 drivers but with 200??

Or am I just being silly?

Cheers Ben
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Old 9th April 2010, 07:43 AM   #2
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Wow.
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Old 9th April 2010, 07:51 AM   #3
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Go for it, sounds realy cool
just try it out and see how it sounds.
Keep us posted.

Gr. Captain Archer
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Old 9th April 2010, 08:06 AM   #4
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Quote:
Or am I just being silly?
You'll be able to tell us after you fire them up

200 holes!!!, 400 terminals to solder!!!

This one?

Click the image to open in full size.

dave
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Old 9th April 2010, 08:10 AM   #5
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Yeah They don't look too bad for the price so it should be interesting.

800 screws
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Old 9th April 2010, 08:41 AM   #6
graaf is offline graaf  Poland
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Quote:
Originally Posted by THORNSPAWN View Post
How do you think a 10x10 array would go?
I think it would be great! A friend of mine experimented with 4x4, the results were very promising. But be prepared to use active equalization. It is really needed to get any bass and also highs (because outputs of individual drivers combine up to a certain frequency only)

line arrays with multiple small drivers are out there
on the other hand 10x10 would really something new, a significant contribution to DIY audio

it has potential to become Quad ESL on steroids

and there is more - with 100 per side you can wire them all in series to get multikohm speaker for a different of kind amplifier like SET without OPTs for example

how about that!

best regards,
graaf
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Last edited by graaf; 9th April 2010 at 08:44 AM.
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Old 9th April 2010, 09:53 AM   #7
coit is offline coit  Australia
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you'd need a thousand per side wouldn't you?
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Old 9th April 2010, 10:32 AM   #8
graaf is offline graaf  Poland
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Originally Posted by coit View Post
you'd need a thousand per side wouldn't you?
thousand drivers or thousand ohms?

the driver is 8 ohm nominal so 100 makes 800 ohm, pretty close to thousand

I am no expert on tubes but wouldn't some triodes be quite happy with 800 ohm load? Would be not enough for 300B for sure but what about 6C33C?

best,
graaf
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Old 9th April 2010, 11:14 AM   #9
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Lightbulb Two columns of hundred drivers

Quote:
Originally Posted by THORNSPAWN View Post

OK, so I have 200 2in cheap full range drivers on the way (yes the Parts Express buyout ones).
Build two tight columns, 50 drivers each. Attach them into holes that you could drill to a plastic tube. If your room height does not allow that, leave out few drivers. You could build two such sets of speakers.
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Last edited by Nikolas Ojala; 9th April 2010 at 11:24 AM. Reason: Calculation error.
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Old 9th April 2010, 11:22 AM   #10
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Smile Parafeed without a transformer

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Originally Posted by graaf View Post

and there is more - with 100 per side you can wire them all in series to get multikohm speaker for a different of kind amplifier like SET without OPTs for example

how about that!
That would be a parafeed amplifier without the usual output audio transformer. Sounds interesting.
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