
MB-1-500-50 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $120.00 | Condition is New, BALUN MB - B 75 to 300 Ohms 54 - 216 MC Blonder Tongue NOS, shipping cost = $11.35 | 98.5% |

The Blonder Tongue MB-1-500-50 MB-B 75-300 Balun NOS is a high-performance balanced-to-unbalanced transformer designed for use in television and radio applications. This transformer is part of Blonder Tongue's MB-1 series, which is known for its reliability, high power handling capacity, and excellent RF performance.
The MB-1-500-50 MB-B 75-300 Balun NOS is a 50 Ohm balanced-to-unbalanced transformer that covers a frequency range of 75 MHz to 300 MHz. It is suitable for use in various antenna systems, including TVRO (Television Receive Only) systems and radio applications. The transformer is designed to match the 75 Ohm coaxial output of antennas or sources to the 50 Ohm impedance of coaxial cables and distribution systems.
This transformer is built with high-quality components that ensure optimal performance. The core material is made of low-loss ferrite, which minimizes signal loss and ensures efficient power transfer. The windings are made of high-quality copper wire, which provides excellent RF performance and ensures low insertion loss and high isolation between the balanced and unbalanced sides.
The MB-1-500-50 MB-B 75-300 Balun NOS is designed to handle high power levels, making it suitable for use in applications where high power handling capacity is required. It can handle up to 500 watts of input power and provides an output power of up to 100 watts.
The transformer is compact, measuring only 2.1 inches (53.3 mm) in length, 1.5 inches (38.1 mm) in width, and 0.7 inches (17.8 mm) in height. Despite its small size, it offers excellent RF performance and is ideal for use in applications where space is limited.
The MB-1-500-50 MB-B 75-300 Balun NOS is a robust and reliable transformer that is designed to withstand harsh operating conditions. It is designed to operate over a wide temperature range (-40 C to 85 C) and is shielded to protect against electromagnetic interference (EMI) and radio frequency interference (RFI). The transformer is also designed to be easily installed and requires no adjustment once installed.
In summary, the Blonder Tongue MB-1-500-50 MB-B 75-300 Balun NOS is a high-performance balanced-to-unbalanced transformer that is suitable for use in television and radio applications. It offers excellent RF performance, high power handling capacity, and is compact and easy to install. The transformer is built with high-quality components and is designed to withstand harsh operating conditions.
The Blonder Tongue MB-1-500-50 MB-B 75-300 balun is a matching transformer used in antenna systems for television and radio applications. Here are some pros and cons of buying this balun:
Pros:1. High Power Handling: This balun can handle up to 500 watts of power, making it suitable for high-power antenna systems.
2. Wide Frequency Range: The balun covers a wide frequency range of 75 to 300 MHz, making it versatile for various antenna applications.
3. Balanced Output: A balanced output is essential for reducing common-mode noise and improving signal quality. This balun provides a balanced output, ensuring better signal quality.
4. Rugged Design: The balun is designed to withstand harsh environmental conditions, making it ideal for outdoor antenna installations.
5. Easy to Install: The balun has a simple design and is easy to install, making it a popular choice among hobbyists and professionals.
Cons:1. Size: The balun is relatively large compared to some other baluns in the market, which may be a concern for those with limited space.
2. Cost: The balun is more expensive than some other baluns with similar specifications.
3. Limited Input Impedance: The balun has a fixed 50 ohm input impedance, which may not be suitable for all antenna systems.
4. Manual Tuning: This balun does not have automatic tuning capabilities, requiring manual adjustments for optimal performance.
Conclusion:The Blonder Tongue MB-1-500-50 MB-B 75-300 balun is a high-power, wide-band balun suitable for various antenna applications. Its balanced output, rugged design, and ease of installation are significant advantages. However, its large size, high cost, limited input impedance, and manual tuning may be disadvantages for some users. Ultimately, the decision to buy this balun depends on your specific requirements and budget.
Recommendation:If you require a high-power, wide-band balun for outdoor antenna installations with a balanced output and easy installation, the Blonder Tongue MB-1-500-50 MB-B 75-300 balun is a good option. However, if you have limited space, a smaller and less expensive balun with similar specifications may be a better choice. Additionally, if you require automatic tuning or a different input impedance, you may need to consider other balun options.
Details:
In the original box missing top lid. Vintage Blonder Tongue mb-b 75-300 ohm balun nos.
specifications audioproequip:
- brand: Blonder Tongue
- mpn: Mb-1-500-50
- type: Balun
offer audioproequip:
- best offers: true
- in stock #: 1
- started: february 23, 2025
- options: ship-to-home
- price: $120.00
- item condition: New
- availability: in stock
- sold #: 25
seller audioproequip:
- rating: 100.0%
- # reviews: 3451
- city: new milford, new jersey
shipping audioproequip:
- service: usps ground advantage
- carrier: usps
- type: fixed
- class: standard
- transit: 4-8 days
returns audioproequip:
- paid by: seller
- time: 60 days
- method: money back
- policy: returns accepted
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
payments audioproequip:
- other
- wallet: paypal
- credit card: mastercard
