COLLINS 300J Am Transmitter Plug Play Extras 75M W6IRD 92563

( Brand: Collins ), ( Manufacturer Part Number: 300J ), ( Type: Ham Radio Transmitter ), ( Supported Modes: Am ), ( Manufacturer Warranty: No ), ( Band Type: Mono Band ), ( Band: 75m, Am ), ( Country Of Origin: United States )

Review COLLINS Am Transmitter Plug And Play Extras 75m Pickup Only

The **Collins 300J AM Transmitter (Model 92563) with Plug-and-Play Extras for 75-Meter Operation** is a robust, high-performance broadcast-quality transmitter designed for serious radio enthusiasts, emergency communicators, and field operators who demand reliability, flexibility, and ease of deployment. Engineered by Collins Radio a legacy brand synonymous with precision and durability this transmitter delivers a clean, powerful 300-watt output across the 75-meter AM band (3.5 4.0 MHz), making it ideal for long-distance communication, emergency preparedness, and portable operations. The **Plug-and-Play Extras** feature enhances its functionality by simplifying setup, ensuring quick activation without the need for extensive technical adjustments. This transmitter operates on a single-phase 115V AC power supply, though its rugged construction and efficient design allow for stable performance even in less-than-ideal conditions, such as remote locations or temporary installations. Its **modular architecture** accommodates a variety of accessories, including the optional **W6IRD 75-meter antenna tuning unit**, which optimizes impedance matching for maximum power transfer and efficiency, reducing signal loss and improving range. The **300J s** robust construction, featuring high-quality components and a durable chassis, ensures longevity and resilience against environmental factors like temperature fluctuations and humidity, making it a dependable choice for both stationary and mobile setups. Whether deployed in a fixed station, a portable field operation, or as part of a disaster recovery network, this transmitter excels in delivering a strong, stable AM signal with minimal maintenance. Its **user-friendly controls** and intuitive interface allow operators to quickly adjust frequency, power output, and modulation settings, while its **built-in protection circuits** safeguard against overvoltage, overheating, and other potential hazards, ensuring safe and consistent operation. Perfect for hobbyists, emergency responders, and professionals in fields like aviation, maritime, or public safety, the Collins 300J AM Transmitter with Plug-and-Play Extras represents a blend of vintage engineering excellence and modern convenience, offering unmatched performance for those who prioritize communication reliability in any scenario.

### **Pros and Cons of buying a Collins 300J AM Transmitter (Plug & Play Extras, 75m, W6IRD 92563)**

#### **Pros**

1. **High Power Output (300W)** The 300J is a robust transmitter capable of delivering strong signal strength, making it suitable for long-distance communication, especially in DX (distance) operations. This is particularly useful for amateur radio enthusiasts targeting distant stations or weak-signal modes.

2. **Plug-and-Play Convenience** The "Plug & Play Extras" designation suggests that the unit is designed for ease of use, likely including pre-wired components, simplified tuning, and minimal setup requirements. This is ideal for operators who want to quickly deploy the transmitter without extensive technical adjustments.

3. **Versatility in Frequency Range (75m Band)** The 75-meter band (3.5 4.0 MHz) is a popular choice for amateur radio due to its reliability during daylight hours and its utility for voice, CW (Morse code), and digital modes. The 300J s focus on this band makes it well-suited for general-purpose communication.

4. **Proven Reliability** Collins transmitters, particularly older models like the 300J, are known for their durability and performance. Many operators still rely on them for critical communications, and the W6IRD 92563 unit appears to be a well-maintained example, which adds value for those seeking a trusted workhorse.

5. **Compatibility with Modern Gear** While an older design, the 300J can be integrated with modern radios, antennas, and digital interfaces (via adapters or interfaces like the Collins Interface Module). This makes it adaptable for both traditional and contemporary setups.

6. **Resale and Collectibility Value** Collins transmitters, especially well-preserved models like the 300J, hold value in the ham radio market. If you decide to upgrade later, you may recover a significant portion of your investment by selling it to another enthusiast or collector.

7. **Low Maintenance (Compared to DIY Builds)** Purchasing a pre-built, tested unit eliminates the risk of assembly errors or component failures that can occur with homemade transmitters. The 300J is a proven design with a track record of longevity.

8. **Historical and Nostalgia Appeal** For operators who appreciate vintage radio gear, the Collins 300J carries a sense of history and craftsmanship. It s a piece of amateur radio heritage that many collectors and enthusiasts value.

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#### **Cons**

1. **Age and Obsolescence** The Collins 300J is a **1960s-era** transmitter, meaning it lacks modern features like digital tuning, built-in memory, or compatibility with contemporary software-defined radios (SDRs). This can be a drawback if you rely on modern tools for operation.

2. **Limited Frequency Coverage** The unit is **75-meter only**, which restricts its use to that band. If you need multi-band capability, you ll need additional transmitters or a more modern multi-band unit.

3. **Power Supply Requirements** Older transmitters like the 300J typically require **high-voltage power supplies** (often 1200V or more for the plate circuit). This can be cumbersome, especially in portable setups, and may require careful handling to avoid electrical hazards.

4. **Maintenance and Spare Parts** Finding replacement parts for a Collins 300J can be difficult. While the unit itself may be reliable, issues like vacuum tube failures (if it uses tubes) or component degradation over time could require specialized sourcing. Some parts may no longer be manufactured.

5. **No Built-in Protection Features** Modern transmitters often include **overvoltage, overcurrent, and short-circuit protection**. The 300J lacks these safeguards, which could lead to damage if misused or if there are power supply issues.

6. **Learning Curve for Older Technology** Operating a tube-based transmitter requires an understanding of **tube characteristics, plate voltage adjustments, and manual tuning**. Beginners may find it more challenging compared to solid-state transmitters with digital interfaces.

7. **Space and Bulk** Collins transmitters are **large and heavy**, often requiring dedicated space in a shack. This can be impractical for portable operations or operators with limited space.

8. **Potential for Hidden Issues** Even a well-maintained unit like the W6IRD 92563 may have **internal wear, tube degradation, or wiring issues** that aren t immediately visible. A thorough inspection by a qualified technician is recommended before purchase.

9. **No Built-in Antenna Tuner** The 300J does not include an automatic antenna tuner, meaning you ll need to manually tune your antenna for optimal performance across different bands (though it s 75m-only, this still applies).

10. **Cost of Operation** Tube-based transmitters consume **more power** than modern solid-state units, especially when running at high power levels. Additionally, replacement tubes and power supply components can be expensive over time.

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### **Conclusion**

The **Collins 300J AM Transmitter (W6IRD 92563)** is a **powerful, reliable, and historically significant** piece of amateur radio equipment that excels in **long-distance communication on the 75-meter band**. Its **300W output, plug-and-play convenience, and durability** make it an attractive choice for **serious DXers, vintage radio enthusiasts, and operators who prioritize performance over modern features**.

However, its **age, lack of multi-band capability, maintenance challenges, and limited compatibility with contemporary gear** may be significant drawbacks for **modern operators, beginners, or those who prioritize ease of use and digital integration**. If you re looking for a **plug-and-play, all-band, low-maintenance transmitter**, a newer solid-state unit (e.g., Yaesu FT-1000MP, Icom IC-7800, or a modern SDR-based solution) would likely be a better fit.

That said, if you **appreciate vintage radio, have experience with tube equipment, and need a high-power 75m transmitter**, the Collins 300J remains a **strong recommendation** especially if you re willing to invest time in maintenance and accept its limitations.

### **Final Recommendation**

- You re an **experienced ham radio operator** comfortable with tube-based equipment.

- You **prioritize raw power and reliability** on the 75-meter band.

- You **enjoy vintage radio** and are willing to maintain it properly.

- You plan to **keep it long-term** and may resell it later for a good return.

- You have **access to a qualified technician** for inspections and repairs.

- You re a **beginner** or prefer modern, user-friendly transmitters.

- You need **multi-band capability** or digital features.

- You re operating in a **space-constrained environment** (e.g., portable setups).

- You **cannot commit to maintenance** (tube replacements, power supply checks, etc.).

- You re looking for **plug-and-play simplicity** without historical appeal.

For most **modern operators**, a **new solid-state transmitter** (e.g., a **Yaesu FT-1000MP, Icom IC-7800, or a modern SDR-based solution**) would be a better long-term investment. However, if you re drawn to the **character and performance of a Collins 300J**, it remains a **fantastic choice for the right enthusiast**. Always **inspect it thoroughly** (or have a technician do so) before purchasing to ensure it s in optimal working condition.

Details:

Up for sale is a Collins 300J Transmitter. See pictures. Crystals included are 3.870 3.880. Once owned by the guy that sang Life's been good to me so far.

It is in FULL working condition. The transmitter was completely restored modified by Wayne Spring W6IRD SK. The transmitter includes a full ensemble of broadcast quality audio equipment, Hail PR-30 Microphone with boom, paperwork Bird load resistor.

part #: 300j price

• $6.99

specifications hamamateuradio:

• brand: Collins
• mpn: 300j
• type: Ham Radio Transmitter
• supported modes: Am
• manufacturer warranty: No
• band type: Mono Band
• band: 75m, Am
• country of origin: United States

offer hamamateuradio:

• availability: In Stock
• sold: 0
• quantity: 1
• options: Seller-arranged-local-pickup
• best offers: True
• started: May 1, 2026

returns hamamateuradio:

• policy: No Returns

general hamamateuradio:

• condition: Used
• Radio Communication > Ham, Amateur Radio > Ham Radio Transmitters

shipping hamamateuradio:

seller hamamateuradio:

• # reviews: 37475
• city: Huntington Beach, California
• rating: 99.8%

payments hamamateuradio:

• credit card: Visa
• wallet: Google-pay
• other

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