
( Brand: Rola ), ( Manufacturer Part Number: A103022 ), ( Type: Transformer ), ( Country/region Of Manufacture: United States )
The Rola A103022 audio transformer is a vintage component designed specifically for use with the WW2 SCR-522 radio. This transformer plays a crucial role in the radio's reception and sound quality by converting and matching the voltage levels between different stages of the radio's amplifier circuit.
The transformer measures approximately 3.2 inches long, 2.2 inches wide, and 1.2 inches high, making it a compact yet essential component of the SCR-522 radio. Its housing is made of a durable and rugged material, suitable for the demanding conditions of military use.
The primary winding of the transformer is designed for an input voltage of 125 volts, 60 Hz AC. The secondary winding has a center-tapped design, with two output taps providing voltages of 450 volts and 900 volts AC, respectively. These voltages are essential for powering the various amplifier stages in the SCR-522 radio.
The Rola A103022 audio transformer also features a high-quality core material that ensures minimal signal loss and excellent frequency response. The transformer's windings are tightly packed and insulated to prevent any potential shorts or electrical leaks.
This transformer is a vital part of the SCR-522 radio's circuitry, enabling it to receive and amplify weak radio signals. Its precise voltage matching and signal transformation capabilities contribute significantly to the radio's overall performance and reliability.
In summary, the Rola A103022 audio transformer is a high-quality and essential component for the WW2 SCR-522 radio. Its compact size, rugged construction, and precise voltage transforming capabilities make it an indispensable part of this iconic military communication device.
The ROLA A103022 audio transformer is a component used in the repair and restoration of WW2 SCR-522 radios. Here are some pros and cons to consider before making a purchase:
Pros:1. Authenticity: The ROLA A103022 is a specifically manufactured transformer designed to meet the original specifications of the SCR-522 radio.
2. Improved Performance: A new audio transformer can help improve the overall performance of a vintage radio, providing better sound quality and increased sensitivity.
3. Availability: ROLA is a reputable manufacturer of audio transformers, and the A103022 is readily available for purchase from various online retailers and hobbyist stores.
4. Long-Term Investment: Vintage radios are often valuable collector's items, and investing in a high-quality replacement part like the ROLA A103022 can help preserve and increase the value of your radio.
Cons:1. Cost: The ROLA A103022 is a specialized component, and the cost may be higher than some other audio transformers or generic replacement parts.
2. Installation Complexity: Installing an audio transformer in a vintage radio can be a complex process that requires a certain level of technical expertise and experience.
3. Risk of Damage: Working on vintage electronics always carries some risk of damaging the components or causing further issues.
Conclusion:The ROLA A103022 audio transformer is a high-quality, authentic replacement part specifically designed for use in WW2 SCR-522 radios. While it may come with a higher cost and installation complexity, the potential for improved performance and long-term value make it a worthwhile investment for collectors and enthusiasts.
Recommendation: If you are considering purchasing a ROLA A103022 audio transformer for your WW2 SCR-522 radio, I would recommend taking the following steps:1. Ensure that you have the necessary technical expertise and experience to install the transformer safely and correctly.
2. Research the cost and availability of the transformer from various retailers to ensure that you are getting a fair price.
3. Consider purchasing a repair manual or seeking guidance from a knowledgeable expert to help guide you through the installation process.
4. Take your time during installation to avoid any potential damage to the components or the radio itself.
5. Enjoy the improved performance and potential increased value of your vintage radio once the installation is complete.
1-2 939 Ohms, 1-3 941 1-4 941, 3-4 7.6 5-6 2550 7 NC. Heres what I had. No actual pin outs. One mounting screw is broken off.
See last pic for specs from the manual. Heres a used audio input transformer from SCR 522 WW2 military radio.