HAMAMATSU R645 Nos Tube

( Brand: Hamamatsu ), ( Model: R645 ), ( Country/region Of Manufacture: United States ), ( Type: Photo Tube )

Review HAMAMATSU Nos Nib Photo Tube Model

Hamamatsu R645 is a high-quality photomultiplier tube (PMT) designed for various scientific applications, particularly in the field of photon detection. This PMT features a bialkali photocathode, which provides excellent quantum efficiency across the ultraviolet (UV) and visible spectrum, making it an ideal choice for applications requiring UV or visible light detection.

The Hamamatsu R645 PMT boasts a high gain, allowing it to amplify weak signals, making it suitable for applications where low light levels need to be detected. Its large active area of 38 mm in diameter ensures a wide field of view, making it an excellent choice for applications requiring large-area photon detection.

The Hamamatsu R645 PMT is also known for its excellent afterpulse performance, which is crucial in applications where high-purity signals are required. Its compact and rugged design makes it suitable for use in a variety of environments, including laboratory settings and even field applications.

This PMT is also equipped with a high voltage supply (HV) terminal, allowing for easy and convenient connection to external high voltage sources. Its high input impedance ensures that it does not load down the signal source, maintaining the integrity of the signal.

In conclusion, the Hamamatsu R645 PMT is a versatile and high-performance photomultiplier tube that offers excellent quantum efficiency, high gain, wide field of view, and excellent afterpulse performance. Its compact and rugged design, along with its convenient HV terminal, makes it a great choice for various scientific applications requiring photon detection.

1. High Quality: Hamamatsu is a well-known and respected manufacturer of vacuum tubes, known for their high-quality products. NOS (New Old Stock) tubes are often sought after for their original construction and materials, which can result in superior sound quality compared to newer tubes.

2. Authentic Sound: The R645 tube has a unique sound characteristic that is highly valued by audiophiles. It is known for its smooth and detailed midrange, as well as its extended high frequency response.

3. Long Lifespan: NOS tubes are often made with higher-quality materials and construction techniques than newer tubes, which can result in a longer lifespan.

4. Collectible Value: NOS tubes can be considered collectible items, and the R645 is no exception. Some collectors may be willing to pay a premium for these tubes due to their rarity and historical significance.

1. Cost: NOS tubes, especially rare ones like the R645, can be expensive. The price may be higher than that of a newer tube with similar specifications.

2. Availability: NOS tubes can be difficult to find, and even when they are available, they may be in limited quantities.

3. Compatibility: Not all amplifiers will be compatible with the R645 tube. It is important to check the specifications of your amplifier to ensure that it can use this type of tube.

4. Maintenance: NOS tubes may require more maintenance than newer tubes. They may need to be tested and aligned before use, and they may need to be replaced more frequently than newer tubes.

The Hamamatsu NOS Tube R645 is a high-quality tube that is highly valued by audiophiles for its unique sound characteristics and long lifespan. While it may be more expensive and difficult to find than newer tubes, its superior sound quality and collectible value can make it a worthwhile investment for those who prioritize sound quality over cost. If you are interested in using the R645 tube in your amplifier, it is important to ensure that it is compatible with your equipment and that you are willing to invest the time and money in maintaining it.

If you are an audiophile who values sound quality and is willing to invest in a high-quality tube, the Hamamatsu NOS Tube R645 is a worthwhile consideration. However, it is important to do your research and ensure that it is compatible with your amplifier and that you are prepared to maintain it properly. If you are unsure, it may be helpful to consult with a knowledgeable audio professional to help you make an informed decision.

Details:

Please with any questions l x. Our standard shipping is us postal 1st class. Hamamatsu nos nib photo tube model R645 made in japan mint condition silver sides, clean wires, clear face and body measures: 1.

8 please review the photos for more detail. We combine shipping when applicable.

specifications tubesocketvintagego:

• brand: Hamamatsu
• model: R645
• country/region of manufacture: United States
• type: Photo Tube

Payments tubesocketvintagego:

• PayPal

Ratings:

1. Thanks 08-27-18
2. Thank you! 08-27-18
3. Todo muy bien saludos desde Europa 08-27-18
4. As advertised and more. 08-27-18
5. Very honest seller. Thank you. 08-27-18

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: $0.0

Offer tubesocketvintagego:

• Started: August 27, 2018, 5:20 pm
• min. bid: $12.99
• best offer: true
• Sold: 0
• bids: 0
• quantity: 1

Seller tubesocketvintagego:

• city: Westwood, Massachusetts
• zipcode: 02090

Returns tubesocketvintagego:

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

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