Small UTC Transformers

[VITAL]

These are UTC/OPT ouncers. the 0-7 is plate to pp grids 15k to 95k ct
.flat from 500 to 10k +or- 1db 200 to10k but steep roll off below 500hz
down -4db at 100hz .
The 0-14 is not listed in there new catalog but in the 1969 UTC catalog
it shows it as a 50:1 low imp./grid 200 to 1/2meg ohm 50-5000hz +or-
1db this would be a mic input xfrm.
The 0-7 pri is pins 1&2 sec 6&8 ct 7
I think the 0-14 is 1&2 pri and 3&4 sec just measure the res. on the
pri (about 10ohms ) and the sec will be lots higher.
You can get a copy of the most recent catalog from OPT at
http://www.optind.com
73 Port WA1DCP
----------
> From: Rod Fitz-Randolph <w5hvv at AENEAS.NET>
> To: BOATANCHORS at LISTSERV.TEMPE.GOV
> Subject: Small UTC Transformers
> Date: Monday, April 13, 1998 4:01 PM
>
> I have had for a number of years two small cylindrical canned
> transformers that measure 7/8" in diameter and 1 3/16" in length.
> They are both of aluminum outside construction.
>
> They bear the identification markings of:
>
>    UTC  O-14 (has 4 small solder lugs on bottom marked 1 thru 4).
>
>    UTC  0-7  (has 5 small solder lugs on bottom marked 1,2, 6, 7, 8).
>
> If I were to assume their purpose, I would think they are probably
> small audio interstage transformers but I have no inkling as to what
> their specifications are.
>
> Is there anyone out there that can identify these little jewels for
me?
> I would like to use them in some projects if they fit the bill.
>
> Thank you.
>
> Rod, N5HV
> w5hvv at aeneas.net
>
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