AUDIO TRANSFORMER, 20 Hz to 30 kHz, P/N 19149
L/C Magnetics specializes in Audio Frequency Transformer 20 Hz to 30 kHz. An Audio Frequency Transformer (20 Hz to 30 kHz) is designed to operate within the range of human hearing, making it essential for applications like audio signal processing, impedance matching, and isolation in amplifiers and communication systems. It transfers audio signals while minimizing distortion across its frequency range. These transformers are constructed with high-permeability core materials, such as laminated silicon steel or ferrite, to optimize performance across low and high frequencies. Key parameters include low leakage inductance, high bandwidth, and minimal insertion loss.
Specifications:
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- Audio Transformer, 20 Hz to 30 kHz, 1 PH, P/N 19149
- Primary (1, 2): 13.85 VAC
- Secondary (3, 4): 160 VAC
- Copper winding construction
- Primary and secondary connections are solder lugs instead of lead wires
- Other mechanical dimensions will match
- Mounting dimensions: 2.50″ x 2.00″, four slots
- Open core and coil: 3.00″H x 3.00″W x 3.00″D approximately
The photo of the transformer is shown below:

The schematic diagram is shown below:

To discuss your specific application, please call our phone number at (714) 624-4740, or send us an email at quote@lcmagnetics.com.
We are REPLACEMENT Transformer Specialists
We are OBSOLETE Transformer Specialists
We are URGENT Transformer Specialists