R3 10K:10K permalloy audio transformer pre input cattle single end turn to balance signal isolation
R3 Jiayin 10K:10K permalloy audio transformer pre input cattle single end turn to balance signal isolation
Audio transformer is a transformer that operates in the range of audio frequency, also known as low-frequency transformer. The working frequency range is generally from 20 to 20KHz. It is often used to change voltage or load impedance, signal coupling, and has good isolation effect. It has obvious color effect on tone, eliminates digital flavor and is more similar.
It is made of imported permalloy iron core with 85% nickel content, domestic high-quality oxygen-free copper enameled wire, CNC microcomputer automatic winding machine to ensure smooth and orderly winding of the package, multi-layer and multi-section, positive and negative winding, dislocation wiring and other complex ways, so as to improve the high inductance, low leakage inductance, which an excellent transformer must have successfully. Low distributed capacitance, broadband noise and other requirements. The transformer is well made and painstaking. Impedance ratio 10K:10K, voltage ratio 1:1, no boost and no step-down, the original flavor of retaining the signal voltage (transformer signal conversion will be loss, energy conservation law energy conversion process must be loss, physical principles can not be avoided, the front current is small, transformer self-loss is not obvious can be ignored). Transformers can be single ended, single ended, single ended, balanced and single ended. The enthusiasts can connect according to their own needs, the wiring will not be able to take notes, the conversion to the customer service instructions, we will ship before the wiring diagram.
The following are the detailed transformer parameters.
Transformer size: 26*25*20mm
Iron core material: nickel containing 85% permalloy
Shielding mode: all directional shielding of copper foil around core
DC resistance: the first stage DC is almost the same, about 304 ohms.
Measured inductance: the first class is about 340H.
Measured frequency response: 20Hz~80KHz -0.2dB
Maximum input current: 15mA
stereo needs 2, 2 to send the supporting PCB board.
Note: different instruments may have different parameters. The standard parameters of delivery shall prevail. This transformer is suitable for pre signal.
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