Buchanan michigan made in USA.ħ6574 printed on the back of the cone. Just says 8ohms model SRO/12 electro-voice inc. The wire hookups are not the push in spring loaded kind but screw in and out to put the wire in the hole. I pushed in the cone with 8 fingers looking to feel for any voice coil rub and all's well in that area. I checked with a 9 volt battery when i was checking it out to see if the thing worked and by the +- for the wire hookup positive to negitive would make the speaker move backwards which tells me something was hooked up backwards so i reversed it and it moved foward like its supposed to. For some reason the + - reads the other way around. Both of ’em are in perfect working condition.ĭany Tv Tuner Card Software Driver Free Download. I’ve gotten a couple of mics on ebay, one is the classic Electro-Voice 635A and a Shure SM61.

The ohms on my cheap meter wont read steady but it reads about 8 ohms where most 8 ohms spks read about 6.5 Printed on the back says 8 ohm. I not to sure if its been reconed for i remember them having a Alum. I hooked up today on an old SRO Alnico12' speaker that seems to be in pretty good shape. 1932273 is the serial number on the bottom plate it says ' VOX. So if you find pots from late 68 and transformers from early 69 you can be pretty sure your amp is a 1969. Remember, your amp is newer than the newest component. ZZ = a number from 1 – 52 indicating the week of the year.

Electro voice serial numbers