PHILCO MILITARY VT-192 Vacuum Tubes Triodes Radio 7A4 1940S

( Brand: Philco Military ), ( Type: 7a4 / Vt-192 / Aka Xxl / Triodes ), ( Country/region Of Manufacture: United States ), ( Application: Vintage Radios ), ( Condition: Lightly Used / Hickok Tested )

Review PHILCO MILITARY Aka Vacuum 7a4 Tubes 1940s Triodes Xl Vintage Radio

The VT-192, also known as the Vacuum 7A4 Philco Tubes, is a truly iconic piece of vintage electronics that hails from the 1940s. This military-grade triode tube was a staple in many XLR radios of the era, due to its exceptional performance and reliability under demanding conditions.

The VT-192 is a 7A4 pentode tube, specifically designed for high-power operation. It features a robust construction, with a large glass envelope and sturdy metal base, ensuring longevity and durability. The tube's internal components, including the filament, grid, plates, and control grid, are all carefully engineered to provide optimal performance.

The VT-192 is known for its high voltage operation, typically around 300 volts, which allowed it to deliver impressive power output for its time. This made it ideal for use in large, powerful radio receivers, where high audio fidelity and loudness were crucial.

The 7A4 tube is a direct-heated triode, meaning it uses a filament to heat up the cathode. This filament is typically made of a material like tungsten, which glows bright red when the tube is in operation. The tube's performance can be adjusted through the control grid, which allows the user to control the flow of electrons from the cathode to the anode.

In terms of performance, the VT-192 delivers a high-frequency response, making it well-suited for AM radio reception. It also has a low distortion rate, ensuring that the audio output is clear and free from unwanted noise.

In summary, the VT-192, or Vacuum 7A4 Philco Tubes, is a testament to the engineering prowess of the 1940s. Its robust construction, high voltage operation, and exceptional performance make it a sought-after component for vintage radio enthusiasts and collectors. Whether you're restoring an old XLR radio or simply appreciate the history and craftsmanship of vintage electronics, the VT-192 is a must-have addition to your collection.

1. Authenticity and Historical Value: These tubes have a rich history, being used in military radios during the 1940s. Collectors and history enthusiasts may find this appealing.

2. Sound Quality: The VT-192 tubes are known for their high-fidelity sound. They can produce a warm, rich tone that modern tubes may lack.

3. Rarity: Due to their age and limited production, these tubes are quite rare. Owning such a unique item can be a source of satisfaction for some.

1. Cost: These tubes can be quite expensive due to their rarity. The cost may outweigh the benefits for some.

2. Availability of Replacements: If one of these tubes fails, finding a replacement could be challenging due to their scarcity.

3. Maintenance and Longevity: Older tubes require more maintenance than modern ones and may not last as long.

Buying VT-192 tubes for an Xxl radio can be a rewarding experience for those who appreciate history, sound quality, and the unique charm of vintage technology. However, the high cost, limited availability of replacements, and the need for regular maintenance are factors to consider. If you are willing to invest time and money into maintaining a piece of history, these tubes could be a great addition to your collection. If not, modern tubes might be a more practical and cost-effective choice. Ultimately, the decision should be based on your specific interests and needs.

Details:

A reading of 50 would represent the minimum recommended value. The 7a4 has a trans conductance rating of 3000 um hos. Military versions of this tube type are very scarce. The 7a4 aka vt 192, xl is a medium mu triode amplifier.

7a4 roger Gould normal. Plate dissipation is rated at On my hickok TV 7 tester they read 98 and they also have the signal corps number sc251a painted on the glass.

This tube type has electrical parameters similar to type 6j5. Dorm roger Gould 17t19 53 00z 17t19 53 00z these lightly used Philco tubes are forums Military production. Clean false 2 Philco 7a4 vt 192 aka xl vacuum tubes vintage RF triodes these used tubes have been tested for mutual conductance.

part #: vt-192 price

• $16.70

specifications tubesocketvintagego:

• brand: Philco Military
• type: 7a4 / Vt-192 / Aka Xxl / Triodes
• country/region of manufacture: United States
• application: Vintage Radios
• condition: Lightly Used / Hickok Tested

General tubesocketvintagego:

• in stock: Yes
• Consumer Electronics > Vintage Electronics > Vintage Audio & Video > Vintage Parts & Accessories > Vintage Tubes & Tube Sockets

Shipping tubesocketvintagego:

• cost: $4.45
• handling: 1 days
• type: Flat

Returns tubesocketvintagego:

• time: 30 Days
• type: Money Back
• paid by: Buyer
• policy: returns accepted

Offer tubesocketvintagego:

• Started: November 15, 2016, 10:08 pm
• best offer: false
• # bids: 0
• # Sold: 0
• quantity: 1

Ratings:

1. Fast Shipping tubes were as described 11-14-16
2. great 11-15-16
3. product as ordered, fast shipping, good, would buy from again 11-14-16
4. Everything super smooth! 11-13-16
5. As described,prompt delivery,thanks 11-15-16

Seller tubesocketvintagego:

• city: Entiat, Washington
• zipcode: 98822

Payments tubesocketvintagego:

• PayPal

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