PHILCO NU 6R7GT Vacuum Valve Amplifier Tubes Radio
( Brand: Philco Nu ), ( Model: 6R7G ), ( Country/region Of Manufacture: United States ), ( Product Type: Vacuum Tubes ), ( Grading: Used )
Review PHILCO NU Vacuum St Valve Tested 6r7 Amplifier Tubes Radio Shape Vintage
The 6R7GT Vacuum Valve, specifically the Nu 6R7 and 6R7G variants, is a vintage tube that holds a significant place in the history of audio technology. This particular tube was commonly used in Philco radios during the mid-20th century, contributing to the warm, rich sound that was synonymous with these iconic devices.
The 6R7GT is a pentode tube, meaning it has five active components, including a control grid, an anode, and three screen grids. The "GT" in the name denotes that this tube is designed for use in high-frequency applications, making it ideal for use in radio amplifiers.
Physically, the 6R7GT tube measures approximately 9 inches in length and 2 inches in diameter. It has a glass envelope with a metal base, and inside, the tube houses a filament that produces the necessary electric current for operation. The tube operates on a filament voltage of 6.3 volts and a plate voltage of 300 volts.
In terms of performance, the 6R7GT tube is known for its high gain and low distortion, making it an excellent choice for use in vacuum tube amplifiers. The tube's frequency response is typically around 150 Hz to 15 kHz, making it suitable for use in both AM and FM radio applications.
When using the 6R7GT tube in a Philco radio or other vintage amplifier, it's essential to ensure that the tube is properly aligned and that the radio's amplifier circuit is set up correctly to achieve optimal performance. This may require some technical know-how and a good understanding of tube amplifier design.
In summary, the 6R7GT Nu 6R7 and 6R7G tubes are valuable components in the history of audio technology. They offer a unique sound character and are a popular choice for those who seek the warm, rich tone of vintage radio amplifiers. Whether you're restoring a Philco radio or building a vintage-style amplifier, the 6R7GT tube is an essential component to consider.
Pros of buying 6R7GT vacuum valve (NU6R7, 6R7G) for Philco radio:1. Authenticity: These tubes are original to the Philco radio models that require them, ensuring optimal performance and sound quality.
2. Vintage appeal: Collectors and enthusiasts of vintage electronics often appreciate the aesthetic and historical value of these tubes.
3. Long-lasting: Vacuum tubes can last for many years, provided they are handled and maintained properly.
4. Replacement availability: Replacement tubes for vintage Philco radios are generally available online, ensuring that you can easily find a replacement if needed.
Cons of buying 6R7GT vacuum valve (NU6R7, 6R7G) for Philco radio:1. Cost: Compared to modern electronics, vacuum tubes can be quite expensive, especially if they are new or in excellent condition.
2. Limited availability: While replacement tubes are generally available, some rare or out-of-production models may be difficult to find.
3. Maintenance required: Vacuum tubes require regular maintenance and care to ensure that they function properly, which can be time-consuming.
4. Fragility: Vacuum tubes are delicate and can easily be damaged if not handled with care, which can lead to expensive repairs or replacements.
Conclusion:If you are a collector, enthusiast, or just love the classic sound of a Philco radio, purchasing 6R7GT vacuum valves (NU6R7, 6R7G) is a great investment. These tubes offer excellent performance, vintage appeal, and are generally easy to find as replacement parts. However, their cost and fragility can be a drawback for some. If you are willing to invest in maintaining and caring for these tubes, they can provide many years of enjoyment.
Recommendation:If you are looking to purchase 6R7GT vacuum valves for your Philco radio, I would recommend researching the specific model of your radio to ensure that you are purchasing the correct type of tube. Check multiple vendors to compare prices and ensure that you are getting a fair deal. Additionally, consider purchasing a tube tester to ensure that the tubes you are purchasing are in good working condition. Proper maintenance and care will help ensure that your tubes last for many years to come.
Details:
Those vacuum tubes were made in USA as indicated on the tube.
I tested tubes on my trusty triplet tube tester, which shows it strong and in new condition. Up for offer are two 2 6R7G Philco st shape vintage vacuum tubes.
part #: 6r7g prices
- $5.00-$30.00
specifications tubesocketvintagego:
- brand: Philco Nu
- model: 6r7g
- country/region of manufacture: United States
- product type: Vacuum Tubes
- grading: Used
Offer tubesocketvintagego:
- Started: January 27, 2016, 5:44 am
- # bids: 0
- # Sold: 0
- quantity: 1
- best offer: true
Payments tubesocketvintagego:
- PayPal
Seller tubesocketvintagego:
- city: Irwin, Pennsylvania
- zipcode: 15642
General tubesocketvintagego:
- in stock: Yes
- Consumer Electronics > Vintage Electronics > Vintage Audio & Video > Vintage Parts & Accessories > Vintage Tubes & Tubes Sockets
Ratings:
- Items as described - fast shipment Super nice & helpful seller. Thank you!! 01-26-16
- As described, fast shipping, packed well. . Thanks! 01-26-16
- Nice, thanks 01-26-16
- AS DISCRIBED A+++++++++++++++++++ 01-26-16
- GOOD SELLER 01-27-16
Returns tubesocketvintagego:
- policy: returns accepted
- time: 60 Days
- paid by: Buyer
- type: Money Back
Shipping tubesocketvintagego:
- type: Calculated
- handling: 1 days
- cost: $4.34
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