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Old 5th October 2012, 04:57 AM   #1
TFG1067 is offline TFG1067  United States
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Default What type of woofer is this?

(I'm fairly new to to all of this)

I met up with some guy to sell him some speakers, and instead he changed his mind and gave me these because he thought I might find a use for them (random). From searching online I think they're some type of vintage Technics woofer, though he said they were pulled from JBL speakers (I'm fairly certain they are not JBL). I haven't been able to find this exact driver online, so I was curious if anyone might have seen them before. what is this type of speaker generally used for? could anyone recommend a tweeter that might go well with them? Thanks!

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Old 5th October 2012, 05:10 AM   #2
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permanent magnet speaker, most likely alnico magnet type...
planet10 needs your help: Let's help Ruth and Dave...http://www.diyaudio.com/forums/plane...ml#post5010547[B
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Old 5th October 2012, 05:22 AM   #3
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alnico. Probably vintage. I like the elliptical looking sub cone center. Looks a bit like a biflex cone, in a passing resemblance way. Thats as much as i could say. There are others here, who are more familiar with drivers like this.
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Old 5th October 2012, 06:10 AM   #4
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A vintage alnico National/Panasonic (Technics is a brand name), bi-cone. This is quite an advanced speaker, i've only every found them in electric organs -- that usually means they have good potential for an OB application.

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community sites t-linespeakers.org, frugal-horn.com, frugal-phile.com ........ commercial site planet10-HiFi
p10-hifi forum here at diyA
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Old 5th October 2012, 06:51 AM   #5
TFG1067 is offline TFG1067  United States
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Thanks. Glad someone knew who that logo belonged to!

A few questions:
So for these you would recommend an OB application over something more bookshelf style?
Could you by any chance elaborate on these being "quite an advanced speaker"?
Would I want to partner them with a vintage tweeter?

Thanks guys, all very helpful
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Old 5th October 2012, 01:33 PM   #6
zmyrna is offline zmyrna  United Kingdom
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magnet is very small = high qts (low damping)
connect them to an amp and see whether you like the sound.
if you like, then put them on a simple test baffle and listen again.
if all good, then worry about adding tweeter/bass.
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