1PC Shuguang Treasure CV181-Z Vacuum Tube Tested Replace CV181 CV181-T 6SN7

Description

Packing List 1* Shuguang CV181-Z Vacuum Tube (Tested) Introduction Shuguang Treasure CV181-Z is exchangeable with 6SN7GT. They are closely matched and tested for noise. The serials of Treasures Hi-FI Electron Tubes are launched On the occacasion to celebrate the 50th anniversary of Shuguang Electronics Group, "Super Alloy" technology, firstly used in aviation, aerospace, military, and other high-tech areas, was adopted to improve the electronic emission capabilities and current stability of electron tubes. First Application of the "High Polymer Compound (HPCC carbon polymer composite)" technology to enhance the greater concentration of electronics and maintain the flow the electronic stability.
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1PC Shuguang Treasure CV181-Z Vacuum Tube Tested Replace CV181 CV181-T 6SN7
Item description
Packing List
1* Shuguang CV181-Z Vacuum Tube (Tested)
Introduction
Shuguang Treasure CV181-Z is exchangeable with 6SN7GT. They are closely matched and tested for noise.
The serials of Treasures Hi-FI Electron Tubes are launched On the occacasion to celebrate the 50th anniversary of Shuguang Electronics Group,
"Super Alloy" technology, firstly used in aviation, aerospace, military, and other high-tech areas, was adopted to improve the electronic emission capabilities and current stability of electron tubes.
First Application of the "High Polymer Compound (HPCC carbon polymer composite)" technology to enhance the greater concentration of electronics and maintain the flow the electronic stability.
The key assembling process was operated by a small number of senior technicians with more than 30 years of working experiences by hand, going through over 100 procedures to achieve accuracy and consistency.
In all, Treasure makes a perfect interpretation of the peaceful and relaxing music.
Parameters
heater heating
UH …………………………6.3 V
IH…………………………0.6 A
capacitance between poles
No.1 　　No.2
input capacitance 　　2.2 　　2.6 PF
output capacitance　　 0.7 　　0.7 PF
trans-route capacitance 　　4 　　　3.8 PF
limit rating
A1 amplify (single side)
Ua 450 V
Ik 20 mA
Pa 5 W
Pa(No.1+No.2) 7.5 W
UH-k ±100 V
Rg 1 MΩ
static state parameter
Ua………………… 90 250 V
Ug……………………0 -8 V
Ia…………………10 9 mA
Gm……………………3 2.6 mA/V
μ……………………20 20
ri……………………6.7 7.7 kΩ
Ia when Ug=-12.5V - 1.3 mA
Ug when Ia=-10μV -7 -18 V
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Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including
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