INTERNATIONAL SERVICEMASTER EF91-6AM6 Nos Vacuum Tubes

( Brand: International Servicemaster ), ( Model: EF91/6AM6 ), ( Type: Vacuum Tube ), ( Bundle Listing: Yes ), ( Country/region Of Manufacture: Unknown )

Review INTERNATIONAL SERVICEMASTER Nos Vacuum Tubes

The EF91-6AM6 NOS Vacuum Tubes from International Servicemaster are a must-have for any audio enthusiast or vintage electronics collector. These tubes are new old stock (NOS), meaning they have been in storage since their original production and have never been used.

The EF91-6AM6 is a type 6P11 pentode vacuum tube, which is a versatile tube that can be used in a wide range of applications, including audio amplifiers, oscillators, and power supplies. It has a plate voltage rating of 300V and a maximum plate current of 500mA, making it suitable for medium power applications.

The tube is made of high-quality glass and metal components, which are carefully insulated to ensure safety and longevity. The filament is made of tungsten, which is known for its long life and high resistance to burnout. The tube's filament voltage is 6.3V, and it draws a current of 130mA.

The EF91-6AM6 NOS Vacuum Tubes from International Servicemaster are tested to ensure they meet the manufacturer's specifications, and they come with a 1-year warranty against defects in materials and workmanship. Each tube is individually inspected and packed in a protective tube sleeve to ensure they arrive in pristine condition.

In summary, the EF91-6AM6 NOS Vacuum Tubes from International Servicemaster are high-quality, versatile tubes that are perfect for audio enthusiasts and vintage electronics collectors. Their NOS status ensures they have the original sound quality, and their durable construction ensures they will last for years to come.

1. Quality: New Old Stock (NOS) tubes are original, unused tubes from the manufacturer's production run. They are known for their high quality and reliable performance.

2. Authenticity: NOS tubes are the original tubes that were used in vintage audio equipment. They can provide a more accurate and authentic sound compared to modern reproductions.

3. Durability: NOS tubes are often made with high-quality materials and construction techniques, which can result in longer tube life and better reliability.

4. Availability: International ServiceMaster is a reputable source for NOS vacuum tubes and offers a wide selection of tubes, including the EF91-6AM6.

1. Cost: NOS tubes can be more expensive than modern reproductions, especially for rare or hard-to-find tubes.

2. Compatibility: Some vintage audio equipment may require specific tube types or configurations that are no longer in production. In such cases, NOS tubes may not be available, or they may be more expensive.

3. Difficulty in Finding Replacements: If a tube fails, it may be difficult to find a replacement NOS tube, especially for obscure or obsolete tube types.

The EF91-6AM6 NOS vacuum tubes from International ServiceMaster offer high quality, authenticity, and durability, making them an excellent choice for vintage audio equipment. However, the cost and compatibility issues are important factors to consider. If you are willing to pay a premium for high-quality tubes and have the necessary equipment to use them, then NOS tubes from International ServiceMaster can provide a superior audio experience.

If you are looking for NOS tubes for vintage audio equipment, consider International ServiceMaster as a reputable source. They offer a wide selection of tubes, including the EF91-6AM6, and have a reputation for quality and customer service. However, be sure to research the compatibility issues and costs before making a purchase, to ensure that NOS tubes are the right choice for your needs.

Details:

The tubes are in white boxes, but, based on lettering condition and strong test results, they may be nos.

Shipping for the first order is nos.

Printing on the tubes indicate they were made in great Britain. The tubes have been tested for shorts, gas and trans conductance on my TV-10 tube tester, they pass all tests.

No boxes included.

part #: ef91 prices

• $7.99-$27.97

specifications tubesocketvintagego:

• brand: International Servicemaster
• model: Ef91/6am6
• type: Vacuum Tube
• bundle listing: Yes
• country/region of manufacture: Unknown

Ratings:

1. Great communication. A pleasure to do business with. 10-13-17
2. Hope to deal with you again. Thank you. 10-11-17
3. Quick response and fast payment. Perfect! THANKS!! 10-13-17

Payments tubesocketvintagego:

• PayPal

General tubesocketvintagego:

• in stock: Yes
• consumer electronics > vintage electronics > vintage audio video parts accessories consumer electronics > vintage tubestubes sockets audio

Shipping tubesocketvintagego:

• type: Flat
• handling: 1 days
• cost: $3.95

Seller tubesocketvintagego:

• city: Long Beach, California
• zipcode: 90802

Returns tubesocketvintagego:

• time: 14 Days
• paid by: Buyer
• type: Money Back
• policy: returns accepted

Offer tubesocketvintagego:

• best offer: false
• quantity: 1
• Sold: 0
• bids: 0
• Started: October 16, 2017, 5:41 pm
• min. bid: $6.95

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