Bozak B-450's

cathode_ray · 9th January 2008, 08:25 PM

I am re-conditionaing a 3-way Bozak system. B199 12", B450 mid and 2 B200Y tweeters. The mids are shot - any ideas of good repalcements?
Aluminum cones, 97 db@ 4' (remember this was the 60's)

Scottmoose · 9th January 2008, 09:44 PM

In what way are they shot? Surround? Cones? Voice-coil? Very few drivers are impossible to repair (assuming they haven't been used as a frisbee by gorillas) so it might be worth sending them off to get them rebuilt.

cathode_ray · 10th January 2008, 12:43 PM

The coils are open. Very few places can rebuild Bozaks. Parts being the biggest issue. I have them apart and in the process of finding "suitable" replacement coils, but little succes so far.
I hate to even consider replacement as these mids(the 6" more so than the 4.5") are deemed as fine as any mid ever produced(by many). But practicality must prevail.
I've had a quote of >$100.00 so I have to consider investing (that much) in something more current. I am not a purist but I do beleive these are hard to beat - even to this day...
Thanks.

ben12345 · 10th January 2008, 01:11 PM

There are some B450's on ebay.com at the moment!

9th January 2008, 08:25 PM	#1
cathode_ray diyAudio Member Join Date: Feb 2007	Bozak B-450's I am re-conditionaing a 3-way Bozak system. B199 12", B450 mid and 2 B200Y tweeters. The mids are shot - any ideas of good repalcements? Aluminum cones, 97 db@ 4' (remember this was the 60's)

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9th January 2008, 09:44 PM	#2
Scottmoose diyAudio Member Join Date: Mar 2005 Location: UK	In what way are they shot? Surround? Cones? Voice-coil? Very few drivers are impossible to repair (assuming they haven't been used as a frisbee by gorillas) so it might be worth sending them off to get them rebuilt.

10th January 2008, 12:43 PM	#3
cathode_ray diyAudio Member Join Date: Feb 2007	The coils are open. Very few places can rebuild Bozaks. Parts being the biggest issue. I have them apart and in the process of finding "suitable" replacement coils, but little succes so far. I hate to even consider replacement as these mids(the 6" more so than the 4.5") are deemed as fine as any mid ever produced(by many). But practicality must prevail. I've had a quote of >$100.00 so I have to consider investing (that much) in something more current. I am not a purist but I do beleive these are hard to beat - even to this day... Thanks.

10th January 2008, 01:11 PM	#4
ben12345 diyAudio Member Join Date: Feb 2006 Location: UK	There are some B450's on ebay.com at the moment!

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