PSVANE - Let’s Talk All Things about Vacuum Tubes

@alexberger

Hi Alex,

I recall replying to you on another forum. However, I’d like to take this opportunity to provide a more detailed explanation here.

UH: 6.3V
IH: 0.45A
Inter-electrode Capacitance:
Grid to Plate (G1-P): 0.7pF
Input (G1-(H+K+G2+G3)): 9.0pF
Output (P-(H+K+G2+G3)): 7.5pF T-9
Maximum Ratings:
Plate Voltage: 350V
Screen Grid Voltage: 315V
Plate Dissipation Power: 14W
Screen Grid Dissipation Power: 2.2W
Heater to Cathode Voltage: ±200V
Grid Circuit Resistance: 0.1MΩ (fixed bias), 0.5MΩ (self-bias)
Typical Operating Characteristics
Class A1 Amplification:
Plate Voltage: 315V | 180V | 250V
Screen Grid Voltage: 315V | 180V | 250V
Grid Voltage: -8.5V | -12.5V | -13V
Peak Input Voltage: 8.5V | 12.5V | 13V
Zero-Signal Plate Current: 29mA | 45mA | 39mA
Max-Signal Plate Current: 30mA | 47mA | 35mA
Zero-Signal Screen Grid Current: 3mA | 4.5mA | 2.2mA
Max-Signal Screen Grid Current: 4.0mA | 7.0mA | 6.0mA
Plate Resistance (approx.): 50000Ω | 50000Ω | 80000Ω
Transconductance: 3700μA/V | 4100μA/V | 3750μA/V
Load Impedance: 5500Ω | 5000Ω | 8500Ω
Total Harmonic Distortion: 8% | 8% | 12%
Max Signal Output Power: 2.0W | 4.5W | 5.5W
Class AB1 Push-Pull Amplification (for two tubes):
Plate Voltage: 250V | 285V
Screen Grid Voltage: 250V | 285V
Grid Voltage: -1.5V | -19V
Peak Input Voltage (G-G): 30V | 38V
Zero-Signal Plate Current: 70mA | 70mA
Max-Signal Plate Current: 79mA | 92mA
Zero-Signal Screen Grid Current: 5.0mA | 4.0mA
Max-Signal Screen Grid Current: 13.0mA | 13.5mA
Load Impedance (P-P): 10000Ω | 80000Ω
Total Harmonic Distortion: 5% | 3.5%
Max Signal Output Power: 10W | 14W
Triode Connection:
Plate Voltage: 250V
Grid Voltage: -12.5V
Amplification Factor: 9.8
Plate Resistance: 1960Ω
Transconductance: 5000μA/V
Plate Current: 49.5mA
Grid Voltage (Ip=0.5mA): -36V

@audiosaurusrex 

For audio vacuum tubes, the hierarchy of our product line is as follows:
Basic：HIFI、UK
Selected：HORIZON、ART
Premium：WE、ACME

The HORIZON Series is our latest line, featuring a more neutral sound compared to the Art Series and incorporating the latest technologies, such as HPC coating.
The WE Series pays homage to the classic Western Electric sound.
The ACME Series is our true flagship, offering a neutral and well-rounded sound profile.

Currently, the Horizon Series and ACME Series are the only lines sold directly by us on Amazon.
All other series are sold by other distributors.
 

The official warranty policy is consistent, offering a 12-month free replacement.

What no pics?

I have a question.

How do you pronounce Psvane?

Thx in advance....

@tksteingraber 

Hello!

The Treasure Z series tubes you mentioned are likely from Shuguang. As a brand representative, I would first like to acknowledge that Shuguang's products are indeed excellent.

In my opinion, the main difference between the Horizon and Treasure Z series lies in their sound characteristics.

HORIZON offers a clearer and more powerful sound, while I personally feel that Treasure Z has a sound profile that leans more towards our ART series, which is warmer and more expansive.

@markusthenaimnut 

Thank you for your thoughtful questions. I believe you’ve raised some excellent points, and many of them are things we’ve been intending to clarify and explain:

    1.    Are non-conforming tubes destroyed at the factory?
Yes, all non-conforming products are destroyed, whether at the factory or within our authorized dealer network.
    2.    Are some sellers authorized and others not?
Yes, some sellers are authorized, while others are not. We are actively working to resolve this issue. This is why we’ve opened an official store on Amazon (though currently only the HORIZON and ACME series are available), and we will be launching our official sales website later this year. If customers prefer, they can purchase directly from us.
    3.    Are only some sellers trusted to sell the best-quality tubes?
No, we provide the same products and after-sales policies to all dealers.
    4.    What warranty is provided to purchasers of Psvane tubes?
We offer a one-year warranty for all our products, and we require all dealers to follow our warranty policy. It’s important to note that dealers won’t bear any additional costs for this warranty, as we provide free replacements for any returned defective products. Therefore, there’s no financial burden on dealers when implementing our after-sales policies.
    5.    Is the warranty provided by the seller or by Psvane?
For purchases made through Amazon or our official website, the warranty is provided directly by us. For purchases through dealers, as mentioned above, we offer warranty support to the dealers, and they, in turn, provide warranty services to the end customers.
    6.    Are there differences in specifications between the various Psvane tube families?
You will be able to find all product specifications on our new website, which will be launched in about a month.

I hope this answers all your questions clearly. Please feel free to reach out if you need any further clarification.