
( Brand: Nec ), ( Manufacturer Part Number: CV1741 ), ( Model: EL34 6CA7 CV1741 ), ( Type: Power Tubes ), ( Country/region Of Manufacture: Japan )
The NEC CV1741 NOS (New Old Stock) Nippon Electric El34 6CA7 tube is a classic vacuum tube that harkens back to the golden age of audio. This tube is manufactured by NEC, a renowned Japanese company known for its high-quality electronic components.
The El34 tube is a dual triode type, with a screen grid between the control grid and the anode. It's primarily used in power amplifier stages in audio applications. The 6CA7 is a close relative, with a slightly different anode design, but they share similar characteristics and can often be used interchangeably, depending on the circuit design.
The NEC CV1741 is a NOS tube, meaning it's a new production of a tube that was originally introduced many years ago. NOS tubes are highly sought after by audiophiles and music enthusiasts for their warm, rich sound and long-lasting reliability.
The foil used in the NEC CV1741 is of the highest quality. The foil is a fine, thin layer of metal that is deposited onto the inside of the tube to create the cathode and control grids. The quality of the foil can significantly impact the tube's performance, and NEC's reputation for precision manufacturing ensures that the foil in the CV1741 is top-notch.
The NEC CV1741 NOS Nippon Electric El34 6CA7 tube is a versatile and powerful tube that can bring a unique warmth and richness to your audio system. Whether you're a music lover, a hobbyist, or a professional audio engineer, this tube is a worthy addition to your collection.
Pros of buying NEC CV1741 NOS (New Old Stock) tubes:1. High Quality: NEC is a reputable brand known for producing high-quality tubes. The CV1741 is a popular choice for audio enthusiasts due to its excellent sound quality.
2. NOS: New Old Stock tubes are manufactured using the original production process and specifications. This ensures consistency in performance and sound quality, unlike modern tubes which may vary in quality due to mass production techniques.
3. Longer Life Span: NOS tubes are often believed to have a longer life span than modern tubes due to their older technology. They are less likely to burn out or degrade quickly.
4. Collectible Value: NOS tubes are often sought after by collectors, making them a potential investment.
Cons of buying NEC CV1741 NOS tubes:1. Cost: NOS tubes are generally more expensive than modern tubes due to their production process and limited availability.
2. Availability: NOS tubes are not as readily available as modern tubes, which may make it difficult to find replacements if they burn out.
3. Compatibility: Some modern amplifiers may not be compatible with NOS tubes, so it's important to check before making a purchase.
Conclusion:If you're an audio enthusiast who values sound quality and wants to experience the classic sound of tubes, then the NEC CV1741 NOS tube is a great option. However, due to its cost and potential compatibility issues, it may not be the best choice for everyone. If you're looking for a more budget-friendly option, modern tubes may be a better choice.
Recommendation:If you're willing to invest in the NEC CV1741 NOS tube, make sure to do your research first to ensure compatibility with your amplifier. It's also a good idea to purchase from a reputable dealer to ensure the tubes are genuine and in good condition.
voltage gain. Dual test for double tirades. Very interesting tube you almost never see. Gas ionisation test.
Tubes have passed all the following tests: Heater filament test: Short circuit. Flash-over arc detection, high voltage breakdown. Mutual conductance test. AT-1000 Results.
Heater cathode insulation: Short Circuit. Up for grabs is a very rare NOS Nippon Electric NEC EL34 6CA7 Tube. Heater filament test: Tolerance check. Made Japan with 3 hole grey plate and massive foil disk fetter.
For Best Results DEOXIT Your Sockets. As is commonly known tube testing results do not translate between different brands of testers and the approach each manufacturer used to achieve their test. Amplification factor.
Heater cathode insulation: Leakage. Your understanding for why that has to be done is appreciated. Tests for heater current abnormalities. Great tube Very strong NOS spec unused.
Heater filament test: Open circuit. Screen grid test. Inter electrode leakage. Inter electrode short circuit.
Full parameter testing for Gm, Em, Gas and Shorts. I require any buyer that encounters a problem to notify me within 72 HOURS after receipt of pending issue.