Have you tried to move them yet? They were designed with empty chambers intended to be filled with sand! |
Oh no! They have not been moved since installation in the 70s.
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Bozak Concert Grands certainly were NOT designed to be filled with sand. I sold Bozak Concert Grand speakers back in the 70's and also have been to the Bozak factory that was on Connecticut Ave in South Norwalk, Connecticut. Rudy Bozak showed me around the factory and I saw Concert Grands in the making. I also saw how they made all their own raw drivers. I repeat, they were NOT designed to be filled with sand. The inside of the enclosures were pretty empty other than a thick type of insulation lining the interior of the boxes. |
It sounds like you are not going to keep and use them, so is the question how to sell them?
They are a classic, though it would appeal to a narrower market due to size, weight and vintage. I gather that the crossovers could be improved (there was a fellow named Tobin, now passed, whose name came up frequently as the "Bozak guy").
You might get some traction (more Bozak enthusiasts) on some user boards with a Bozak group- e.g. Yahoo and Audio Asylum.
I don't think there are that many of these around, certainly in unmolested condition, given their price in the day, their size and the fact that your father's pair hasn't been moved since installation. I'd love to hear them! I know a guy in NY who was in a similar situation-- he hadn't set them up but was threatening to do that just at the time I moved away. Alas! :)
PS If you couldn't tell, I'm all in favor of your keeping them. |
Those are some really nice speakers if in great shape. I would love to have them but I live to far away. There was a big openess and ease about music coming out of those speakers.
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They were great for bass, but the aluminum tweeter was rather dull sounding. In the store, we had to tip up the treble about 3 db or so to get a little sparkle. |
Beasts
my dad had the B-305 Essentially half the CG
they were not designed for sand
but were of substantial construction including a lot of batting
the crossovers will no doubt require caps
i see them for sale now and then, local pickup only
beaters around a grand
immaculate cabinets in right style, right wormhole in universe might fetch $3K
you might try Audio Classics in NY ( Vestal )
they move some used Bozak gear
lastly you could part them out, certain drivers are worth $$$$
soniclly not my cup of tea, as noted tweeters were off above about 14k
big midrange was beamy
lots of woofers to motivate...
but i I heard them properly setup and driven by two MC275 at Music Unlimited in the late 60’s
amazing in the day
sorry about your Dad
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I'm not an audiophile but my younger brother told me dad added a " crystal" bar ?? For treble?? Does that make sense?
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My error, it was Wharfedale whose large enclosure models incorporated sand filled chambers. |
I would just list them on Ebay as a cash-and-carry only item and you will find a buyer. There are a lot of people who love those vintage speakers. I sold my father's EV Royal 400 on Ebay in 1 day, whereas they sat here for a month without a bite. I have no idea of how much they are worth, but you can figure that out. Good luck. I'm old enough to remember them, but I never actually heard a pair. |
@mlolaird- it is possible that your father added a super tweeter. I am not familiar with the term "crystal bar" in audio, but there were piezo electric tweeters, electrostatic ones and others. Can you get more information from a label on the back?
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It was a popular tweak back in the day, to fill up bags of sand and put them inside some speaker cabinets for additional mass and rigidity. And yes, I remember a few manufacturers having " bins " as part of the design for adding sand / lead shot ( not Bozak ). Enjoy ! MrD. |
There are two tweeters sitting on top of both speakers.
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There are also four small speakers at the ceiling on four corners of the music room. He has McIntosh amps and preamps too. Oh what to do!!
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OP
with the MAC gear, many many will be interested
at least call Andy at Audio Classics to get some ideas on value before you give this treasure away
ebay is always an option but use caution
audio classics is in essentially same town as McIntosh of old and the Factory, a long time Mac dealer
can also provide correct shipping boxes
while I am a long term client, I have no financial dog in this fight
unless you have an MC240 or two....
ha
then send me a PM
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