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Old 6th April 2014, 07:00 AM   #1
radio is offline radio  Macedonia
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Red face Proposal for a full range speaker

Hi all!
I want to do some cabinet for full range speaker that does not have to cost a lot of 50....80W(rms) for my audio amplifier with LM3886. Full range speaker can be made in Chinese. So please give any suggestions or recommendations.
thank you

Last edited by radio; 6th April 2014 at 07:03 AM.
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Old 6th April 2014, 02:51 PM   #2
mikje is offline mikje  United States
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MarkAudio speakers.
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Old 6th April 2014, 03:02 PM   #3
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Old 6th April 2014, 03:51 PM   #4
xrk971 is offline xrk971  United States
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I think the OP is looking for lower cost speakers and in my mind both Mark Audio and Fostex are not what I consider low cost. My suggestion is to go with a Vifa TC9FD at $12 ea (in US). Look at the mini Karlsonator thread which uses dual drivers and is perfectly able to be driven with LM3886 amp. Many satisfied builds in this thread so it is a proven design. It can be made of wood and looks and sounds terrific. I would suggest the TPA3116D2 amp which sounds better than the LM3886 and will give 40 watts/ch with cheap laptop power supply, so for $20 in keeping with the low cost approach.

More info here: Mini Karlsonator (0.53X) with Dual TC9FD's

Latest construction by Francisco Perez in Baltic birch:

Click the image to open in full size.



You will actually be hard pressed to find a better performing 3.5 inch full range driver at a higher price. There is a possible exception with the Faital Pro 4FE35 that has recently become available. Use of that driver in a mini Karlsonator will result in a 97 dB sensitivity speaker (at 2.83v). But they cost 2x the Vifa's.

I hope you give it a try.
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Old 6th April 2014, 04:03 PM   #5
nirvana is offline nirvana  Canada
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Supravox 215 RTF 64 (96 db)
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Old 7th April 2014, 07:50 AM   #6
radio is offline radio  Macedonia
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proposal:If can a project with visaton bg20?
thank you
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Old 7th April 2014, 12:55 PM   #7
mikje is offline mikje  United States
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Quote:
Originally Posted by radio View Post
proposal:If can a project with visaton bg20?
thank you
A Google search will give you a fair amount of ideas.
Mike
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Old 7th April 2014, 09:57 PM   #8
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2-Ways Visaton BG's and others. If you need calculations for an ideal internal volume (net) for that driver I can provide one.
BG 20 - 8 Ohm
MB 208/H
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BG20 in a fake Druid
Modifikation Visaton BG 20, Lautsprecher - HIFI-FORUM
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Old 9th April 2014, 11:37 PM   #9
radio is offline radio  Macedonia
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If you can concrete project with bg20.
thank you!

Last edited by radio; 9th April 2014 at 11:40 PM.
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Old 9th April 2014, 11:45 PM   #10
mikje is offline mikje  United States
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Not sure what you're looking for, but here's a suggestion from the Parts Express website
"For great bass performance, install the BG20 into a 1.06 cubic foot cabinet tuned to 42 Hz with a 2.5" diameter port that is 5.75" long."

Visaton BG20-8 8" Full-Range Speaker with Whizzer Cone | 292-548

Mike
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