
TX-1A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $17.10 | Condition is New, Radio Design Labs TX-1A Adjustable Line Transformer (10 k0hm) NEW, shipping cost = $8.06 | 100.0% |
![]() | $24.94 | Condition is New, 24RR49 PAIR OF ADJUSTABLE LINE TRANSFORMERS, TX-1A, 10K OHM, NEW, shipping cost = $10.95 | 99.8% |
![]() | $54.50 | Condition is New, RDL TX-1A Adjustable Line Transformer Balanced Line to Unbalanced Output, shipping cost = $7.00 | 100.0% |
![]() | $70.00 | Condition is New, RDL TX-1A Adjustable Line Transformer Audio Interface Module NEW, shipping cost = $9.97 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $18.95 | Condition is Used, RDL TX-1A Adjustable Line Transformer Balanced to Unbalanced Output, shipping cost = $5.89 | 100.0% |
![]() | $19.99 | Condition is Used, RDL TX-1A Adjustable Line Transformer Balanced to Unbalanced Output, shipping cost = $7.00 | 99.9% |
![]() | $19.99 | Condition is Used, RDL TX-1A Adjustable Line Transformer Balanced to Unbalanced Output, shipping cost = $7.00 | 99.9% |
![]() | $30.00 | Condition is Used, RDL TX-1A Adjustable Line Transformer Balanced to Unbalanced, FREE SHIPPING | 100.0% |
![]() | $26.99 | Condition is Used, RDL Line Matching Transformer Audio Interface Balanced Input Mic Output Terminal, shipping cost = $7.97 | 99.6% |
![]() | $20.00 | Condition is Used, Radio Design Lab RDL TX-1A Adjustable Line Transformer (58.75-279-8), shipping cost = $17.21 | 98.1% |
![]() | $29.99 | Condition is Used, RDL TX-1A / TX1A (USED) Adjustable Line Transformer, shipping cost = $9.35 | 99.0% |
![]() | $49.99 | Condition is Used, RDL-TX1A ADJUSTABLE LINE TRANSFORMER, FREE SHIPPING | 100.0% |
![]() | $83.00 | Top Pick! Condition is Used, RDL TX-1A Adjustable Line Transformer, shipping cost = $20.00 | 100.0% |
![]() | $149.99 | Condition is Used, Lot Of 25 RDL TX-1A Adjustable Line Transformer Balanced to Unbalanced Output, shipping cost = $19.98 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $33.24 | Condition is Open box, RDL (TX-Series) TX-1A Adjustable Line Transformer (10k Ohm), FREE SHIPPING | 99.7% |
![]() | $30.00 | Condition is Open box, RDL TX-1A AJUSTABLE LINE TRANSFORMER, shipping cost = $18.37 | 100.0% |
![]() | $48.38 | Condition is Open box, RDL TX-1A ADJUSTABLE LINE TRANSFORMER, TX SERIES, FREE SHIPPING | ![]() |

The TX-Series TX-1A 1:1 Line Transformer, specifically model 10k, is a high-quality electrical component designed for various applications where voltage isolation and impedance matching are crucial. This transformer is part of the TX-Series line, which is renowned for its robustness, reliability, and precision.
The TX-1A 1:1 Line Transformer is a single-phase device, meaning it handles one alternating current (AC) cycle at a time. Its 1:1 turn ratio signifies that the same voltage is applied to both the primary and secondary windings. In the context of this transformer, a 10k rating refers to the secondary winding's capacity to handle a voltage of 10,000 volts.
This transformer is meticulously engineered to provide excellent voltage regulation, ensuring that the output voltage remains consistent, even under varying load conditions. The TX-1A is designed to operate efficiently, minimizing power loss, and reducing energy waste. Furthermore, it is built to ensure low harmonic distortion, making it suitable for applications that require clean and pure power.
The TX-Series TX-1A 1:1 Line Transformer is encased in a robust and durable housing, designed to withstand the rigors of industrial environments. It features a compact and sleek design, making it an ideal choice for applications where space is at a premium. The transformer's winding is made of premium-grade insulation material, providing excellent protection against electrical hazards such as short circuits and overvoltage conditions.
The TX-1A 1:1 Line Transformer is an essential component for various applications, including power distribution, test and measurement, and industrial automation. Its ability to provide voltage isolation, impedance matching, and excellent voltage regulation sets it apart as a reliable and versatile solution for a wide range of electrical applications.
The TX-1A 1:1 Line Transformer from Toroidals Power is a popular choice for audiophiles and hobbyists looking to improve the performance of their audio equipment. Here are some pros and cons of buying this transformer:
Pros:1. Improves Sound Quality: The TX-1A transformer is known for its ability to improve the sound quality of audio equipment. It can reduce noise and distortion, making the audio more clear and detailed.
2. High Build Quality: The transformer is built using high-quality materials and components. It has a toroidal core, which reduces magnetic fields and electromagnetic interference.
3. Wide Compatibility: The TX-1A transformer can be used with a wide range of audio equipment, including preamps, integrated amplifiers, and power amplifiers.
4. Transformer Design: The 1:1 transformer design ensures that the input and output voltages are the same, making it easier to match the transformer with different audio components.
Cons:1. Expensive: The TX-1A transformer is relatively expensive compared to other transformers in its class.
2. Size: The transformer is larger than some other options, which can make it difficult to install in small spaces.
3. Requires External Power Supply: The TX-1A transformer requires an external power supply, which adds to the cost and complexity of the setup.
Conclusion:The TX-1A 1:1 Line Transformer from Toroidals Power is a high-quality transformer that can significantly improve the sound quality of audio equipment. However, it is relatively expensive and requires an external power supply. If you are an audiophile and are looking to make a significant improvement to your audio system, the TX-1A transformer may be worth the investment.
Recommendation:If you are looking for a cost-effective alternative to the TX-1A transformer, you may want to consider other options such as the MQA-101 or the Hammond T110-1203-01. However, keep in mind that these transformers may not offer the same level of sound quality improvement as the TX-1A. Ultimately, the decision to purchase the TX-1A transformer depends on your budget, the size of your audio system, and your preferred audio quality.
Details:
Item comes as shown and only includes what is in the photos, please look item over carefully prior to purchase. Fully guaranteed. NC supply is not sponsored with the brands associated products being sold. Lot of 2 tx series tx -1a adjustable Line transformer 10k ohm.
Some items may have slight cosmetic wear which is noted in the condition of part and can be seen pictures.
specifications audioproequip:
- brand: Line
- mpn: Tx-1a
- type: Transformer
- unit type: Unit
- country/region of manufacture: United States
- unit quantity: Lot Of 2
- california prop 65 warning: For More Information Go To Www.p65warnings.ca.gov Following Your Description.
returns audioproequip:
- method: money back
- paid by: seller
- policy: returns accepted
- time: 30 days
seller audioproequip:
- rating: 99.7%
- # reviews: 2461
- city: kansas city, missouri
shipping audioproequip:
- service: usps ground advantage
- transit: 4-9 days
- class: standard
- type: fixed
- carrier: usps
payments audioproequip:
- other
- credit card: visa
- wallet: apple-pay
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
offer audioproequip:
- sold #: 14
- in stock #: 5
- prices: $17.10–$149.99
- item condition:
- New
- Used
- Open box
- availability: in stock
- options: ship-to-home
- started: july 31, 2025
- best offers: true
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