
( Brand: Western Electric ), ( Manufacturer Part Number: 247-A ), ( Type: Audio Amplifier ), ( Country/region Of Manufacture: United States )
The 247-A Western Electric vacuum tube audio amplifier is an iconic piece of vintage audio equipment that harkens back to the golden age of audio technology. This particular model features early wire mesh plates, which lend it a unique and distinctive look that sets it apart from more modern amplifiers.
The 247-A is a class A push-pull output stage amplifier, which means it delivers a rich, full-bodied sound with exceptional clarity and detail. It is powered by four 807 vacuum tubes, which are known for their warm, tubey sound and excellent power handling capabilities. The early wire mesh plates on these tubes add an extra layer of character to the amplifier's sound, giving it a slightly more edgy and aggressive tone compared to later versions.
The amplifier's chassis is made of heavy-duty steel, and it features a rugged, utilitarian design that exudes a sense of solidity and reliability. The control panel is simple and intuitive, with only a few knobs and switches for volume, input selection, and bias adjustment. The amplifier's overall build quality is exceptional, with tight tolerances, smooth potentiometer action, and solid, secure connections throughout.
The 247-A is a versatile amplifier that can drive a wide range of speakers with ease, from sensitive 8-ohm designs to more demanding 4-ohm loads. It delivers up to 30 watts per channel into 8 ohms, and up to 60 watts per channel into 4 ohms. This makes it an excellent choice for music lovers who are looking for a high-quality, vintage-sounding amplifier that can handle a variety of speaker loads.
In summary, the 247-A Western Electric vacuum tube audio amplifier with early wire mesh plates is a rare and desirable piece of audio history. Its classic design, warm, tubey sound, and rugged build quality make it a highly collectible and sought-after item among audiophiles and vintage audio enthusiasts. Whether you're a musician looking for a unique and characterful amplifier for your live performances, or a collector seeking to add a piece of audio history to your collection, the 247-A Western Electric is a must-have.
Pros of buying a 247-A Western Electric vacuum tube audio amplifier with early wire mesh plates:1. Authenticity and Historical Value: The 247-A is a highly sought-after vintage amplifier, known for its exceptional sound quality and historical significance. Collectors and audiophiles often appreciate the nostalgia and craftsmanship of these classic devices.
2. Rare and Desirable: The use of early wire mesh plates in these amplifiers makes them even more unique and valuable. Fewer of these models were produced, and original components can be challenging to find, making them highly collectible.
3. Warm and Rich Sound: Vacuum tube amplifiers, such as the 247-A, are known for their rich, warm, and dynamic sound. They can provide a unique listening experience that may not be achievable with modern solid-state amplifiers.
4. Potential for DIY Restoration and Modification: Older vacuum tube amplifiers like this one can be a great project for those who enjoy tinkering and modifying audio equipment. Restoring an original 247-A can be a rewarding experience, and you can personalize the amplifier to suit your specific needs and preferences.
5. Investment Opportunity: As with many vintage items, the value of a well-maintained and restored 247-A can increase over time. If you are interested in collectibles and want to invest in an audio amplifier, the 247-A can be a wise choice.
Cons of buying a 247-A Western Electric vacuum tube audio amplifier with early wire mesh plates:1. Limited Compatibility: Vintage amplifiers like the 247-A may not be compatible with modern audio sources, such as digital music players or streaming services. You may need to use additional equipment or adaptors to connect your modern audio sources.
2. Maintenance and Repair: Vacuum tube amplifiers require more maintenance and repair than modern solid-state amplifiers. Tube replacements, alignment, and regular cleaning are necessary to keep the amplifier in good working condition.
3. Energy Consumption: Vacuum tube amplifiers can consume more power than modern solid-state amplifiers due to their design and the energy required to operate the vacuum tubes. This can lead to higher electricity bills, especially if the amplifier is used frequently.
4. Limited Power and Channel Count: Older vacuum tube amplifiers, such as the 247-A, typically have lower power output and fewer channels than modern amplifiers. If you require more power or multiple channels for your audio setup, a vintage amplifier may not be the best choice.
5. Potential for Damage: Vacuum tubes can be fragile and can easily be damaged if not handled properly. Accidental drop or misuse can result in damage to the tubes, requiring replacement and repair.
Conclusion:Buying a 247-A Western Electric vacuum tube audio amplifier with early wire mesh plates can be a rewarding experience for collectors, audiophiles, and those who enjoy restoring and modifying vintage equipment. The unique sound quality, historical significance, and potential investment opportunities make it an attractive option. However, it is essential to consider the limitations, such as compatibility issues, maintenance requirements, and energy consumption, to ensure that the amplifier fits your needs and preferences.
Recommendation:If you are interested in purchasing a 247-A Western Electric vacuum tube audio amplifier with early wire mesh plates, we recommend researching the specific model and ensuring it is suitable for your audio setup. Consider factors such as power output, channel count, and compatibility with modern sources. Additionally, be prepared to invest time and resources into maintaining and repairing the amplifier to ensure it continues to provide a high-quality listening experience.
Bases are tight and the leads still a crisp red color. Here you are buying on a pair of Western Electric 247-A vacuum tubes.
Emission was tested at 89 of specification while the trans conductance indicated 160.
Both tubes have early, engraved bases. I have been shipping these kind of vintage items worldwide since the late 1980 's.
These tubes are the earliest versions with a wire mesh plate. This tube has no visible serial number. Emission was tested at 84 of specification while the trans conductance indicated 140.
They are in nice physical condition as you can see the photographs. At the tested parameters used here, we 247-A has a noise output level of between 32 and 43 decibels.
The net result is that Western Electric 247-A very quiet audio frequency amplifier can be used with exceptionally low level input signals. If you are serious about Western Electric, cannot let this pair get away from.
Something for everyone.