The Shinhom T25 is a 1:36 ratio output transformer designed for passive ribbon microphones.
The T25 has been used in old classic ribbon mics, budget ribbon mics and DIY mic projects.
The T25 represents great value for money with excellent sonic properties at a very reasonable price.
Shinhom T25 Specifications:
Turns Ratio 1:36
Primary DC Resistance: 0.33 Ohms
Secondary DC Resistance: 77 Ohms
80% nickel core
Primary Inductance: 5.0 (5.0)mH
Secondary Inductance: 6.3H (>2H lim)
Frequency response: 20-20khz <1dbu
Weight approx. 30g
Dimensions: (Not including leads)
Length = 25mm
Width = 21mm
Depth/Height = 20mm
Made in China.
Solder Blue wire to ‘Input’ or ‘input
high’ on ribbon motor/capsule.
Red wire to ‘common’ or ‘input low’ on motor.
Black wire to XLR pin 1 Shield
(Solder a wire to connect XLR pin 1 to
Chassis ground lug on xlr connector)
Green wire to XLR pin 2
Brown wire to XLR pin 3