PSVANE (Noble sound) launched in 2011 the history of complete engraved the Western Electric WE300B vacuum tube. The PSVANE for Original work. Then laid its global audio vacuum tube position in the area. Since, Launched a series of beautiful sound of vacuum tube PSVANE classical sections, Becoming the world's top vacuum tube brands .
According to third-party statistics in the field of high-end and top vacuum tube , PSVANE is always the first of the world 's sales .In addition, as a Chinese national audio industry thriving.At the current PSVANE has formed three major product lines of 50 variety of products . Response to entry-level and high-end as well as top needs of users .
Starting in 2012 , PSVANE from the UK, Japan, Germany, the United States well - known electro-acoustic research and development institutions work closely with the constant pursuit of a breakthrough in the field of materials science and technology, coating technology , structural mechanics , and music school sound , and also plans to bring different countries R & D team in PSVANE masterpiece.
Today , the British sound soulful , gentle qualities in speakers, transistor amplifier, digital audio achievements , except in the field of vacuum tubes that once touching , always the most wonderful glowing golden British sound was gradually lost.
The SVANE launched a series of critically acclaimed works , most of them are engraved Western Electric model , also known as the most representative of Western Electric sound . From now on , PSVANE almost forgotten classic British sound to bring you .
WER TURBO design; PSVANE development team of the world's leading vacuum field, through clever design, we achieve the maximum density of the vacuum tube internal distribution of electron flow, compared to other same model vacuum tube, the T-series of the second generation of the sound quality has improved significantly, especially in the energy of the sound, dynamic plumpness competitors far behind. In addition, in order to improve product texture, the aluminum oxide enriched to ensure that will never change color or fade timeless; each a second-generation PSVANE T series products are real gold plated tube needle with a new formula, in addition to further enhance the contact of the connection part of the performance, the weak signal outside to minimize the loss, given the magnificent sound.
Some precautions about using high voltage power tubes:
Unlike other vacuum tubes such as KT88 or EL34, which typically run at 450V plate voltage, high voltage power tubes such as 845, 805 and 211 run at plate voltage 900V or even higher depending on your amp design. Due to the high voltage in the circuit, biasing an 845 / 805 or 211 amp improperly may expose you to lethal high voltage causing instant death. If you haven’t owned any tube before, we recommend you not to start with a 845 /805/211 tube amps until you get comfortable with maintaining a lower voltage tube amp such as EL34 / KT88 or 300B amps.
Always bias your amplifier by strictly following your amp manufacturer’s instructions. Do not bias the plate current over suggested reading (usually in mA) in any case. This will cause tube overheat, tube failure and burning out other parts inside your amp. High voltage tube has maximum rating of plate heat dissipation (see specification link on each tube listing page). Do not run your amp at a plate current that could cause the tube plate turn red hot. When you start using a new tube, try it first in a room with dark light so that you can observe the plate color closely. If the plate turns red hot, turn down your amp bias immediately until the plate no longer show overheat symptom. Bias the two channel’s plate current readings to the same safe level for both. It’s not recommended to have two channels biased at different level.
Plate heat dissipation (measured in watts) = plate voltage (in Volt) x plate current (in mA) / 1000 For example, if a tube amp has plate voltage of 960V on the 845 tube by design, and the 845 tube has max plate heat dissipation rating of 75w, your maximum plate current bias reading should be 78mA. If the amp has plate voltage of 910V by design, your maximum plate current bias reading should be 82mA. It is not recommended run a tube constantly at its peak rating so ideally you should set your plate current bias at about 10% below the maximum. This will prolong your tube life and ensure a safe and long term enjoyment of your amp.
Although each tube amp has its designed plate voltage for tubes at a fixed input power voltage, a variation of more than 5% of your input power voltage will cause the plate voltage for tubes vary greatly (for example, swing from designed 910V to 950V or even higher). In such a case, your tube could be overheated and fail in a very short time. It’s strongly recommended to use a power conditioner properly designed for audio with your tube amp to reduce the possibility of such an accident and financial loss.
An excellent tube amp design along with poor selection of parts and poor production quality control could also cause your amp to overheat a tube and cause it fail prematurely. Always choose amplifiers made properly for your local voltage from a reputable reseller. In the past, we have seen many after-market modified Chinese tube amps which have been sold into North America with main transformers not designed for the right voltage, and cause not only inferior performance, but also tube failure or burning up components.
Last but not least, never leave your tube amp unattended for extended period of time. Never leave a 845/805/211 high voltage tube amp on without anyone in the room.
Due to the complicated feature of a tube amp’s design and user’s settings and maintenance vary greatly, tube manufacturer only warrant a vacuum tube for 30 days. If a tube has inherent manufacturer defect, it will show in the first 30 days of normal use and it will be covered by warranty. Improper usage including using in an amp not suitable for the tube or set bias too high or too low, input power spikes etc will result in tube failure prematurely – such incidence will not be covered by tube manufacturer’s warranty.
There is the full series(all tube type) of PSVANE Vacuum Tube below.
T-Collection Grade is high-end tubes of brand PSVANE.
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If the item shows up defective or damaged, please email us immediately.
ONE-YEAR WARRANTY!!!
Brand new replacement with 14 days.
Defective situation must be reported to seller within 14 days upon receipt.
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