Heater
Uf-----------------6.3(V) 12.6() V
If-------------------0.30 0.15 A
Heater
Uf-----------------6.3  12.6 V
If-------------------0.30 0.15 A

Direct Interelectrode Capacitances
                         No.1  No.2
input----------   1.6  1.6 PF
output----------   0.4  0.32 PF
grid to plate----------1.5  1.5 PF

Static parameter
Ua--------------100 250 V
—Ug-------------0 8.5 V
Ia---------------11.8 10.5 mA
Gm--------------3.1 2.2 mA/V
u--------------- 20 17
ri(approx)---------6.5 7.7 KΩ
Ug(approx)--------—11.8 —10.5 V
(when Ia=10uA)
class A1.maximum.single triode.
Ua----------------300 V
Pa-------------2.75 W
Ik(max)-------------20 mA
Ug----------------—50 V
Uh-k(pk)--------±200 V
Rg
with cathode bias----------------1 MΩ
with fixed bias-------------- 0.25 MΩ

Direct Interelectrode Capacitances
                           No.1   No.2
input----------1.6     1.6 PF
output----------0.46   0.34 PF
grid to plate----------1.7     1.7 PF

 Static parameter
Ua--------------100 250 V
—Ug-------------1 2 V
Ia---------------0.5 1.2 mA
Gm--------------1.25 1.6 mA/V
u----------------100 100
ri----------------80 62.5 KΩ
class A1.maximum.single triode.
Ua----------------330 V
-Ug--------------—50 V
+Ug-------------- 0 V
Pa-------------1.2 W
Uh-k(pk)--------±180 V

• Compatible with all 12AU7 / ECC82 tube amplifier designs

• Ideal for preamp stages in hi-fi, guitar, and headphone amps

• Tested for low noise and triode matching

• Warm, detailed tone with excellent midrange

• Suitable for both upgrades and DIY amp builds

About Us

Shuguangpsvane.com: Authorized Distributor of Shuguang and Psvane Vacuum Tubes & Tube Amplifier Components

Focused on the Tube Amplifier Industry

Shuguangpsvane.com is the officially authorized agent for both Shuguang and Psvane tube factories—two of the most respected names in vacuum tube manufacturing. We specialize in supplying vacuum tubes, tube amplifier components, and matched tube sets for global audio brands, amplifier factories, and professional enthusiasts.

Direct Access to Factory-Backed Products

As a certified distributor, we offer direct access to factory-original Shuguang and Psvane products, ensuring traceability, consistency, and up-to-date product lines. All vacuum tubes and amplifier components are sourced from official production lines and follow strict quality control procedures set by the manufacturers.

Strong Inventory and Reliable Fulfillment

With long-term cooperation with the factories, we maintain stable inventory, fast order processing, and support for both small-batch and bulk purchases. We also offer matching services, product recommendation based on amplifier models, and technical documentation to assist B2B buyers.

Transparent and Supportive Procurement Process

We provide a one-stop purchasing experience for amplifier factories, retailers, and system builders. From inquiry and product matching to export documentation and after-sales coordination, our team ensures clear communication and dependable service throughout.

Global Customer Service and Shipping

Serving customers across North America, Europe, Southeast Asia, and more, we have years of experience in international trade, logistics, and multilingual support. Whether you’re an importer, distributor, or end-user, we help simplify your sourcing from China’s top vacuum tube manufacturers.

Partner with a trusted source. Shuguangpsvane.com connects you directly to authentic Shuguang and Psvane tubes — with confidence, speed, and professional support.

FAQ

Who are we?

We are Shuguangpsvane.com, the officially authorized agent of Shuguang and Psvane vacuum tube factories. We supply original vacuum tubes, matched sets, and amplifier components to global buyers, including audio brands, amplifier manufacturers, and distributors.

How can we guarantee quality?

All products are sourced directly from the official Shuguang and Psvane production lines. Each tube follows the factory's strict inspection, aging, and matching procedures. We only deal with verified and original stock, ensuring authenticity and performance.

What can you buy from us?

You can purchase Shuguang and Psvane vacuum tubes, matched tube sets, tube amplifier components, and related accessories. We also offer technical advice and product matching based on your amplifier or project needs.

Why should you buy from us instead of other suppliers?

We are an authorized agent, not an unofficial reseller. That means better traceability, access to new releases, factory-backed quality assurance, and professional support. We also offer global logistics and responsive service to simplify your purchasing process.

What services can we provide?

We offer OEM/ODM coordination with the factories, technical consultation, fast global shipping, and after-sales support. We assist amplifier factories and distributors with product selection, documentation, and export procedures.

 
Bring new clarity and warmth to your amplifier—order your 12AU7 vacuum tube today and experience the difference. Limited stock available—shop now before it’s gone!