VALVO ECH-81 Vacuum Tube

( Brand: Valvo ), ( Manufacturer Part Number: ECH-81 ), ( Type: Vacuum Tube ), ( Country/region Of Manufacture: Germany )

Review VALVO Vacuum Tube Tested Good

The Valvo ECH-81 vacuum tube is a high-quality audio component that possesses a rich history and a distinctive place in the world of audio technology. This tube is a pentode, which means it has five active electronic elements, making it a versatile choice for various audio applications.

The Valvo ECH-81 is renowned for its excellent sound quality, characterized by a warm, rich, and natural sound with a smooth, detailed high end. It exhibits a high gain factor, making it suitable for use as a driver in power amplifiers or as a preamp input or output stage.

Physically, the Valvo ECH-81 is a beautifully crafted piece, with a traditional glass envelope and metal base. It measures approximately 9.25 inches in length and 2 inches in diameter, making it a visually appealing addition to any vintage or classic audio setup.

The Valvo ECH-81 is known for its reliability and durability, with a long lifespan and a low failure rate. It operates on a standard 6.3V heater voltage and can handle up to 40W of power, making it a versatile choice for a wide range of audio applications.

In terms of specifications, the Valvo ECH-81 has a typical plate current of 150mA, and a typical plate resistance of 7.5k . It has a maximum plate voltage of 300V and a maximum grid voltage of -100V. Its input impedance is around 10k , while its output impedance is around 1k .

In conclusion, the Valvo ECH-81 vacuum tube is not just a simple audio component, but a true work of art and a testament to the rich history of audio technology. Its warm, detailed sound, reliable performance, and vintage aesthetic make it a sought-after choice for audiophiles and music enthusiasts alike.

1. Wide range of applications: The Valvo ECH-81 is a versatile vacuum tube that can be used in various types of amplifiers, such as guitar amplifiers, audio amplifiers, and even some types of radio receivers.

2. Excellent sound quality: Valvo ECH-81 tubes are known for their rich, warm, and harmonious sound. They can produce a wide range of tones, from smooth and mellow to bright and crisp, making them a popular choice among musicians and audio enthusiasts.

3. Durable and reliable: Valvo ECH-81 tubes are built to last, with a high-quality construction that ensures reliability and longevity. They are made with high-quality materials and undergo rigorous testing to ensure they meet the highest standards of quality.

4. Affordable: Compared to some other high-end vacuum tubes, Valvo ECH-81 tubes are relatively affordable, making them an accessible option for many audio enthusiasts.

1. Maintenance required: Vacuum tubes, including the Valvo ECH-81, require regular maintenance to ensure they continue to perform at their best. This includes cleaning, checking for leaks, and replacing worn-out parts.

2. Less energy-efficient: Vacuum tubes, in general, are less energy-efficient than solid-state amplifiers. This means that they can consume more power and generate more heat than their solid-state counterparts.

3. Limited availability: Valvo ECH-81 tubes may not be as widely available as some other vacuum tubes or solid-state components. This can make it more difficult to find replacements or sources for repair when needed.

In conclusion, the Valvo ECH-81 vacuum tube is a versatile and high-quality option for audio enthusiasts looking to add warmth and character to their amplifiers. Its excellent sound quality, durability, and affordability make it a popular choice among musicians and audio engineers. However, its maintenance requirements, less energy-efficient nature, and limited availability are important considerations to keep in mind. Ultimately, whether the Valvo ECH-81 is the right choice for you depends on your specific needs, preferences, and budget.

If you are looking for a high-quality vacuum tube that can provide a rich, warm, and harmonious sound, the Valvo ECH-81 is a great option to consider. Its versatility and durability make it suitable for a wide range of applications, and its affordability makes it an accessible choice for many audio enthusiasts. However, it is important to keep in mind that vacuum tubes require regular maintenance and may not be as widely available as some other components. With proper care and consideration, the Valvo ECH-81 can provide years of enjoyable and high-quality audio.

Details:

There are 2 different settings seen in pics 3 and 4. Valvo vacuum tube was tested with a Precision model 660 tester and found to be in good working condition. First one is the tried test, second peptide test.

part #: ech81 prices

• $35.00-$60.00

specifications tubesocketvintagego:

• brand: Valvo
• mpn: Ech-81
• type: Vacuum Tube
• country/region of manufacture: Germany

offer tubesocketvintagego:

• options: Ship-to-home
• quantity: 1
• started: February 14, 2025
• best offers: True
• availability: In Stock
• sold: 0

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• class: Standard
• service: USPS Ground Advantage
• transit: 6-12 Days
• cost: $6.00
• carrier: USPS
• type: Fixed

seller tubesocketvintagego:

• rating: 99.8%
• city: Staten Island, New York
• # reviews: 18321

general tubesocketvintagego:

• condition: Used
• Vintage Audio Video > Vintage Parts Accessories > Vintage Tubes Tube Sockets

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• policy: No Returns

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