Audio Proz Service and Sales


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  

Halldorson TR-9

Audio Proz Inv #: 48059

Interstage transformer for audio coupling at guitar or mic level. New in box.

$ 16  Contact Us  

Halldorson TR-27

Audio Proz Inv #: 48061

New stock.

$ 8  Contact Us  

Halldorson TR-54

Audio Proz Inv #: 48062

Tiny size transformer for micro mic or guitar transformer coupling. New.

$ 14  Contact Us  

Essex Wire Corp C-280-A

Audio Proz Inv #: 48063

Class 1A transformer, in shielded metal can, 1.5" square. 250-4000 to 600 input, or output line balancing transformer. +24dB. Very good #8 condition, pair available.

$ 32  Contact Us  


Please be aware there is a minimum $4-$6 to ship any part. International orders will be $14-$16 to ship for anything larger than an envelope. Shipping costs are non negotiable, so please, PLEASE do not ask for a part, or for us to search for, or quantify a part if you cannot pay for the shipping.


Raytheon UX-7350

Audio Proz Inv #: 48066

Very good #8 condition.

$ 8  Contact Us  

Ampex #4580200-12

Audio Proz Inv #: 48067

Matching input transformer. Very good #8 condition.

$ 26  Contact Us  

Raytheon 292-11020G1

Audio Proz Inv #: 48068

150/600 ohms, +8dB max level, balanced line transformer in sealed shielded can. Excellent condition.

$ 30  Contact Us  

Allied Control Co. MH-18D relay

Audio Proz Inv #: 48069

26.5vDC, 240 ohms. New.

$ 18  Contact Us  

Audio Frequency Transformer 9072882 77-44

Audio Proz Inv #: 48070

6 watts, 60 cycles. Terminals 1-2 5k ohms; terminals 3-4 1.6k ohms. Can be used as line drive output transformer, +24dBm. Excellent condition.

$ 34  Contact Us  

UTC P-1245 B-6299-1

Audio Proz Inv #: 48071

Excellent condition.

SOLD  Contact Us  

Contact us about similar items or replacement parts.


OUT OF STATE CUSTOMERS:
Contact us if you are interested in purchasing an item.
We prefer PayPal payments.
We only ship to VERIFIED PayPal Addresses
For customers who do not have a PayPal account we also take Credit Card over the phone.

Please be aware that there is a minimum $4-$6 to ship any part.


Thordarson 24s75

Audio Proz Inv #: 48072

Audio output transformer, can be used as +14 to +24dBm balanced line drive transformer. Primary 500 ohm, secondary 3.2 or 6.8 ohms. 5watts. New in box.

$ 24  Contact Us  

Uni-Sync #7512-10k

Audio Proz Inv #: 48129

Input balancing transformer. Very good #8 condition.

$ 12  Contact Us  

Jensen JE-123-SL 835

Audio Proz Inv #: 48138

Audio transformer for DBX or Behringer output. +24dBm. Very good #8 condition. Pair available. $66 each (call us at 617-926-8020 for best pricing)

$ 66  Contact Us  

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 LMI 50 KR47

Audio Proz Inv #: 48141

Filter transformer. Excellent #9 condition.

$ 20  Contact Us  

Apex 460 transformer XFM0013

Audio Proz Inv #: 49527

Power transformer for use in Apex 460 supply. New.

$ 24  Contact Us  


If you are having trouble finding parts, enter the name into our search bar at the top of the page. Please be aware there is a minimum $4-$6 to ship any part. International orders will be $14-$16 to ship for anything larger than an envelope. Shipping costs are non negotiable, so please, PLEASE do not ask for a part, or for us to search for, or quantify a part if you cannot pay for the shipping.


Apex 460 transformer XFM0013

Audio Proz Inv #: 49529

New.

$ 24  Contact Us  

Adjust-A-Volt variable transformer T51u

Audio Proz Inv #: 49631

120v-6A, 50-60Hz, open frame transformer variac, 4.5" square metal mounting plate. Excellent condition.

$ 40  Contact Us  

United Transformer Y-6431

Audio Proz Inv #: 49763

Output matching or inter-stage transformer, no specs available. Very good #8 condition with some minor paint scratches on unit.

SOLD  Contact Us  

Contact us about similar items or replacement parts.

United Transformer S-55

Audio Proz Inv #: 49764

for tube filament supply. 6.3v CT, 3amp. Used in very good condition.

$ 16  Contact Us  

Teac TR-207 transformer

Audio Proz Inv #: 50089

with wires and mounting plate, excellent condition.

$ 24  Contact Us  

UTC 0-17 C6718

Audio Proz Inv #: 51610

Excellent mic input transformer. 500 ohm to 50k ohm, +8dBm. Excellent condition.

SOLD  Contact Us  

Contact us about similar items or replacement parts.


We are presently operating on an APPOINTMENT ONLY basis. Please call us first at (617) 926-8020 to schedule an appointment before you come into the shop for repairs, rentals, product recommendations, consultations, or anything other than minor purchases.


Audio Speaker Autoformer

Audio Proz Inv #: 55172

Step up, down. High build quality, but unknown brand. Impedance match transformer, 28 ohm to 4 ohm. 30 watt capable. Used to allow loading of extra satellite speakers to be added to any stereo amp. Call for more details. Condition: 9

$ 16  Contact Us  

UTC A-39

Audio Proz Inv #: 55813

600 ohm primary, 2K ohm secondary. Max level +/-10dBM. From Scully type 280. Excellent condition, lettering intact, #9

$ 30  Contact Us