Can anyone identify these speakers? - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 7 Old 08-12-2014, 09:38 PM - Thread Starter
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Can anyone identify these speakers?

I found some homemade speakers at a yard sale recently. They are in stained plywood air suspension enclosures with a tuned internal baffle. I am unable to find any model number or similar speaker on the internet anywhere to tell me what the specs are on this speaker - they sound fairly good as rear surround speakers, somewhat bassy, but with a mellow sound reminiscent of that from vintage tube amplifiers. I have looked at vintage varieties of Utah and Jensen speakers, but these may be from an old Sears HIFI console or even a guitar amp box. Any ideas on the specs or where these may have come from would be appreciated..... thanks in advance for any replies.....

Size: 8 inches, mounted with 8 bolts, with a large magnet and red/black binding posts.
Label on rear of speaker: Sears Silvertone Stereophonic High Fidelity

Pictuers attached with back of enclosure opened:
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post #2 of 7 Old 08-13-2014, 06:26 AM
 
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Sears never made drivers, they would have been sourced. They're not musical instrument drivers. It's unlikely that Sears has any record of what they were, and equally unlikely that if you knew who made them that specs would exist. Probably the only way you'd be able to get specs is to measure them yourself.
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post #3 of 7 Old 08-13-2014, 05:13 PM - Thread Starter
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Quote:
Originally Posted by Bill Fitzmaurice View Post
Sears never made drivers, they would have been sourced. They're not musical instrument drivers. It's unlikely that Sears has any record of what they were, and equally unlikely that if you knew who made them that specs would exist. Probably the only way you'd be able to get specs is to measure them yourself.
Bill, thank you very much for your reply, the experienced opinions, and the professional advice. It is likely that these Silvertone speakers are uncommon and rare indeed for whatever purpose they were produced. They do sound quite good in my small home theater room, but I think they would sound better if I at least added a tweeter to the top front of the enclosure (with the appropriate crossover) . I would like to eventually have a pair of quality dipole or bipole speakers for my rear surrounds, so I will continue to work toward that end.
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post #4 of 7 Old 08-13-2014, 06:59 PM
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is it a fullrange ? Pull it out, lets see the face

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post #5 of 7 Old 08-15-2014, 01:08 AM - Thread Starter
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Originally Posted by kgveteran View Post
is it a fullrange ? Pull it out, lets see the face
Removing the gold grille fabric from the front of Silvertone enclosure revealed a standard black paper 8 inch speaker cone, but it also had a 2 inch whizzer cone. This does not automatically make it a full range speaker, but it does add several khz to the frequency response. Seems like it would be perfectly suitable for a studio monitor with mostly voice content. I think I might want to add a Dayton Audio 2 way 2.5khz crossover and a 1 inch soft dome tweeter to the enclosure to give it full range and more presence. The outside enclosure dimensions are 16 x 17 x 12 inches. There is a deep internal baffle about 12 to 14 inches deep with a 3 inch port on the front of the enclosure. This would be the perfect place for a tweeter, or I could just leave the enclosure tuning alone and put an external bullet tweeter on top of the enclosure.
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post #6 of 7 Old 08-15-2014, 07:11 AM
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Only way to know for sure is to run a sweep.
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post #7 of 7 Old 08-15-2014, 09:41 AM - Thread Starter
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Quote:
Originally Posted by kgveteran View Post
Only way to know for sure is to run a sweep.
I think I have identified the speakers, based on new searches after looking at the front view and its "whizzer" cone. The "Sears Silvertone Stereophonic High Fidelity" speakers are, in fact, UTAH DJ8 speakers based on this link: http://www.ebay.com/itm/Pair-Vintage...MakeTrack=true

The speakers are identical to the pictures there....
Thanks for everyone's help! Now, on to "improving" these speakers....
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