Shure 90M2150, 51A38, 51C38 Microphone Audio Transformer, Lo-Z to Hi-Z Harp Mics

Shure OEM Microphone Transformer Vintage Manufacturer part # 90M2150 - Made in USA by Shure

100% Equivalent to Shure parts #51A38, 51A38W, 51C38 -- these transformers are identical

Are you Rebuilding a Vintage Microphone?

Use with Controlled Magnetic, Controlled Reluctance or Dynamic Microphone Elements with very low impedance

for connection to Hi Impedance Amplifiers such as Guitar Amps for stage use.

Will work with CM's as low as 2 Ohms (DC)

-- tiny - small size - LOW PROFILE so it can fit in most Bullet Mic Shells.

-- See Photos -

25.8mm X 18.8mm X 13.8mm

Input Impedance range: 25 to 600 Ohms

Output Impedance range: 10K to 50K Ohms

DC Resistance Pri:20 Ohms, Sec:2000 Ohms

Have a CM or CR Element with Very Low DC resistance 2 to 250 Ohms?

Try this Transformer to "BOOST THE IMPEDANCE"

A Wiring Diagram will be Supplied.

This vintage part was used and has been professionally bench tested and certified

Some transformers will have short wires, some will have long wires.

I can answer any questions you have

Note: Supply is LIMITED. Don't Wait.

I PACK AND SHIP QUICKLY - USA SELLER.

Photo that depicts a shell and element are for proportion purpose only they are not included in this sale

Occasionally form factor may include a small round mounting base attached to transformer