Audio Proz Service and Sales


UTC AR-535

Audio Proz Inv #: 48140

Input transformer, 1 to 1.58 ratio, multitap. AR-535, C6748. Very good #8 condition.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

UTC CR-725

Audio Proz Inv #: 47525

Primary ohms 100; secondary ohms 600; max level +20dBm; frequency response 1/2dB 30-15Kc. Four pieces available.

$ 30  Contact Us  

UTC DOT-1 interstage transformer

Audio Proz Inv #: 48058

25:1 imp ratio. Transformer coupler, for mic or guitar. New in box.

$ 16  Contact Us  

UTC HE-812 transformer

Audio Proz Inv #: 44241

Like new, in package. Looks to be an interstage matching transformer..

$ 48  Contact Us  

UTC LMI 50 KR47

Audio Proz Inv #: 48141

Filter transformer. Excellent #9 condition.

$ 20  Contact Us  


We are a very different kind of shop. To help ensure a smoother experience please read our letter about our current shop policies.

We keep our database up to date with almost 10,000 items in stock. If you see a part number and a price, we have that item in stock. 

Customers outside of the US, please note that international shipping can be costly (US Post $16 minimum - up to 8oz or 226g). We are glad to combine orders to reduce shipping costs. Take a look at our shipping policies for more information and estimates of prices and shipping time.


UTC LS-12x

Audio Proz Inv #: 44414

Primary ohms: 500, 333, 200, 125, 50. 80ohms secondary. Excellent #9 condition with ribbon connector pre-soldered to pins.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

UTC P-1245 B-6299-1

Audio Proz Inv #: 48071

Excellent condition.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

UTCCR-725

Audio Proz Inv #: 45057

Transformer UTCCR-725, RCA #B-8480798-1. 100ohm to 600ohm/300ohm. 30 to 15kC, +20dBm. Used in #7 condition.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

Webster Electric T-511-1

Audio Proz Inv #: 47643

Telephone line transformer. 10k ohm to 200 ohm, -25dBm. 6-pin connector, shielded can. Excellent condition, two pieces available.

$ 14  Contact Us