LED Wall Wash Light
Wall Wash Light Series Include 36x12w LED Wash light, 19x15w Led wash light; Both is hot selling in the lighting market.
36X12W RGBW 4 IN 1/5 IN 1/6 IN 1 /LED Wash Moving Head Light
Pure bright in color effect, excellent color mixing, good heat cooling
Our company have 13 years experience of LED Display and Stage Lights , our company mainly produce Indoor Rental LED Display, Outdoor Rental LED Display, Transparent LED Display,Indoor Fixed Indoor LED Display, Outdoor Fixed LED Display, Poster LED Display , Dance LED Display ... In additional, we also produce stage lights, such as beam lights Series, moving head lights Series, LED Par Light Series and son on...
Wall Wash Light Series,Disco Light,Led Washer Light,Moving Head Guangzhou Chengwen Photoelectric Technology co.,ltd , https://www.cwleddisplay.com
Specification:
36 pcs 12W RGBWA+UV 6in1 LED, 36 pcs 10W RGBWA 5in1 LED, 36 pcs 10W RGBW 4in1 LED
10-60 zoom angle, narrow beam effect to wide wash effect, functional in usage.
Small size, easy to carry and install, each unit weighs only 9kg
Linear smooth dimmer from 0-100%, 1-20 times strobe per second, flicker-free for TV and films.
Suitable for mobile productions, events, parties, stage installations, theater, musical concert, TV studios.
Designing a Tube Preamplifier with High-Fidelity Standards
When it comes to creating a tube preamplifier with Hi-Fi standards, the task is significantly more complex than building a transistor-based preamp. Tubes are known for their high input impedance, reliance on high operating voltages, and susceptibility to aging. The design process demands meticulous attention to several key aspects. Here are some critical considerations:
Firstly, choosing the right electronic tube is paramount. Electronic tubes come in various types and models, each with distinct characteristics, structures, operational requirements, and applications. These differences result in varying tonal qualities, making it impossible to substitute one tube for another indiscriminately. For preamplifiers, triodes are typically preferred due to their excellent linearity, low noise levels, and moderate amplification factors, which make them ideal for audio applications. Triodes provide superior overall performance and sound quality while keeping the circuitry relatively straightforward.
There are numerous types of triodes available, and selecting the appropriate one depends on the specific circuit design and desired gain. A triode’s amplification factor usually ranges between approximately 20 and 100, with a typical gain of around 0.6 µ. If the circuit requires only a single amplification stage, a tube with a higher µ value may be suitable. However, for greater stability, medium or low µ tubes are often preferable in multi-stage designs. While certain European and American brands of vintage tubes have garnered significant media attention and inflated prices, it’s important to approach such trends with scientific skepticism. Chinese manufacturers have extensive experience in producing electronic tubes, and their products are highly regarded globally. Many Chinese-made tubes boast lifespans exceeding 10,000 hours, with some lasting over 100,000 hours. These tubes are often cherished by international audiophiles. Thus, when selecting tubes, it’s essential to adopt a rational perspective, avoiding hype and personal biases.
In terms of domestic options, Chinese triodes like the 6N1, 6N2, 6N3, 6N4, 6N6, and 6N11 offer excellent performance. When applied correctly, they can deliver sound quality comparable to that of more expensive alternatives. Interestingly, the 6N2 is functionally quite similar to the 12AX7, sharing nearly identical specifications and sound characteristics, except for minor variations in filament pins. This makes the 6N2 an excellent replacement for the 12AX7 in practical applications.
The 6N2 tube has become increasingly popular among audiophiles due to its exceptional audio amplification capabilities. Shown below are images of the 6N2 tube from different manufacturers, including Shanghai, Dawn, and Beijing. These examples highlight the consistency of the 6N2's design across different production lines.
[Image descriptions:
- Image 1: A close-up of the 6N2 tube with a height of 120 pixels, showcasing its design and functionality.
- Image 2: Another view of the 6N2 tube, measuring 107 pixels tall, highlighting its physical attributes.
- Image 3: An additional image of the 6N2 tube, sized at 111 pixels tall, emphasizing its build quality.
- Image 4: A final illustration of the 6N2 tube, 112 pixels tall, providing a detailed view of its appearance.]
In conclusion, designing a tube preamplifier with high-fidelity standards involves careful consideration of tube selection, circuit architecture, and operational parameters. By adopting a rational approach to tube choice and understanding the nuances of different models, designers can create audio equipment that delivers exceptional sound quality and reliability.