


| Brand | ALLEN-BRADLEY |
|---|---|
| Manufacturer Part Number | FP-3438 |
| Mounting Style | PANEL MOUNT |
| Power Rating | 2 W |
| Type | AUDIO POTENTIOMETER |
| Unit Type | UNIT |
| Termination Style | LUG |
| Packaging | BOX |
| Resistance Rating | 1 M |
| Country/region Of Manufacture | UNITED STATES |
The Allen-Bradley FP-3438 NOs MEG Audio Taper Potentiometer, manufactured in 1963, is a classic electro-mechanical component designed for voltage division in audio applications. This potentiometer boasts a nominal resistance value of 100k Ohms, making it suitable for various tone control, volume adjustment, and attenuation purposes in audio circuits.
The unique feature of this potentiometer is its Audio Taper design. This taper type offers more linear response at the ends of the control range but provides a more discernible change in resistance near the center, allowing fine adjustments for subtle tone shaping in audio equipment.
Measuring approximately 4.2 inches in length, 1.3 inches in width, and 1.5 inches in height, this rugged potentiometer is well-suited for mounting in various control panels due to its versatile 5/8-11 UNC threaded brass base. The shaft is knurled, providing a firm grip and easy control for the user.
The FP-3438's wiper is an integrated nickel-plated metal contact mounted at a right angle to the housing for easy soldering connections. The combination of a molded insulated bakelite body and the thickly varnished carbon composition resistive element ensures consistent performance and durability.
A distinctive 3-watt power rating makes this MEG Audio Taper Potentiometer robust and capable of handling demands from medium-power audio applications without the risk of overheating. Finally, its wide operating temperature range (-20 C to 60 C or 0 F to 140 F) further enhances its compatibility with various environmental conditions.
Used in vintage audio equipment or as a replacement component for vintage-style builds, the Allen-Bradley FP-3438 NOs MEG Audio Taper Potentiometer maintains a strong presence in the audio engineering community due to its rich history and proven design. Unleash the true potential of your audio devices with this reliable and high-quality potentiometer from Allen-Bradley.
The Allen-Bradley FP-3438 NOs MEG Audio Taper Potentiometer, manufactured in 1963, can be an intriguing find for those restoring vintage audio equipment. To help you make an informed decision about purchasing this potentiometer, here are its potential pros and cons.
Pros:1. Authenticity: This potentiometer is an original Allen-Bradley product from the 1960s. Restoring older equipment with original components can add to the value and sentimentality of the project.
2. Low wear: Since this potentiometer is old, it might have seen less use than modern alternatives. Old components with minimal wear can provide a more natural sound compared to new ones.
3. Unique sound: Vintage potentiomers, including the FP-3438, are known for their unique sound character that may not be replicated in newer components.
4. Historical value: If you are a collector, this Allen-Bradley potentiometer can add to your collection due to its age and provenance.
Cons:1. Potential reliability issues: Aging components may have increased chances of failing or not functioning optimally. You might need to invest extra time and resources on inspection, repair, or replacement.
2. Compatibility: While the FP-3438 is designed for audio applications, it may not be directly compatible with modern audio equipment or circuit boards. Adapters or additional parts may be required.
3. Limited availability: Since the FP-3438 is an older part, it might not be readily available in stores or online. You may need to search extensively or depend on used marketplaces.
4. Cost: Added to the scarcity issue, you might pay a premium price for a vintage potentiometer from the 1960s.
Conclusion:The Allen-Bradley FP-3438 NOs MEG Audio Taper Potentiometer is a unique and potentially valuable addition to your project or collection. Its natural sound character and historical significance can make up for its potential drawbacks. However, you should also consider its potential reliability issues, compatibility concerns, and the cost of sourcing or replacing this vintage component. If you prioritize authenticity and sound quality, this potentiometer could be worth the investment; otherwise, you might opt for a modern, more reliable, and cost-effective alternative.
Recommendation:I recommend exhausting all efforts to find a properly functioning FP-3438 potentiometer to meet your needs before resorting to purchasing a non-functional unit for display or decorative purposes. If you cannot find a compatible or affordable FP-3438, consider looking into other premium audio taper potentiometer options from reputable manufacturers that offer updated versions with similar sound qualities and reliability.
