• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

Older Utah Driver ID?

doctorolds

doctorolds

AK Subscriber
Subscriber
Help identify older Lafayette/Utah Driver

I was at an estate sale and couldn't resist the the urge to spend $5 on an older homemade set of speakers. I have not been able to find much info on the web and was hoping that someone here could provide more specific information, manufacture, year produced, specs. The numbers on the basket are as follows: Top Number = 21-01764, Bottom Number = 328217. The drivers measure 12" in diameter. I think that the "328" in the bottom number is for Utah. I did not see any other numbers on the back of the cone. I listed some pictures as a reference, see the nice cabs? (haha) Thanks for looking.
 

Attachments

  • Utah-Lafayette 002.jpg
    Utah-Lafayette 002.jpg
    51.2 KB · Views: 37
  • Utah-Lafayette 003.jpg
    Utah-Lafayette 003.jpg
    38.1 KB · Views: 11
  • Utah-Lafayette 009.jpg
    Utah-Lafayette 009.jpg
    46.6 KB · Views: 21
  • Utah-Lafayette 010.jpg
    Utah-Lafayette 010.jpg
    53.6 KB · Views: 30
Last edited:
Register to hide this ad
I just wanted to add that the drivers were tested and have a DC resistance of about 6.9, so I would say that they are rated at 8 ohms.

The cloth surrounds are very dry and brittle, so any information or links relating to properly re-doping / repairing would be greatly appreciated.
 
I just wanted to give this post a bump near the top since I had not had any response as of yet. Thanks to all.
 
wow. no reponse at all. i guess that's because so little info is available on utah drivers.

those are indeed utah's. 328 is their manufacturer EIC code. the next 3 digits are the manufacture date, can't remember offhand how to read it, but google is your friend.

lots of brand names used utah drivers, and lot's of radio supply companies such as radio shack and lafayette sold them.

i've got a wide selection of utah drivers, they are in a thread called "show us your utah's". search should find it for you. i have a pair of fullranges that look very similar to yours. in playing around with my utah's, i've found them to be decent drivers. certainly not altecs or jbl's, but not bad.

also a few threads here about redoping the surrounds.

good luck!
 
Thanks for some input finally! I did not expect a lot, but yours was better than nothing, no offense. I checked out the other thread that you recommended, wow, mine are probably a much cheaper speaker than those that you and others have. Either way, I guess I will get a bit more info on re-doping the surrounds and just give them a listen. Do you know why there is not much information on the Utah drivers? I am guessing that they were more of a source for others. Thanks again!
 
well, yes and no. they were a source for others to a great extent, but they also built their own cabinets. i recently parted out a pair of hsc-1 utah's, the cabinets were too far gone.

i guess so little info being available is due to a number of reasons, possibly including the fact that utah never made "spectacular" drivers (my opinion, but also shared by some others). some of their stuff was pretty cheap, some of it mediocre, and some of it pretty good, but none i know of is generally considered "outstanding".
 
You must log in or register to reply here.
Back
Top Bottom