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2pcs 1 matched pair New Tested Psvane HIFI 211 AMP Vacuum Tube for Tube amplifier

TOPT000211HIFI
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New Tested Psvane HIFI 211 AMP Vacuum Tube for Tube amplifier
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1. Free shipping with tracking number.
2. Price is for one  matched pair.
  if you need more, please contact us for discount,
our email address:
salesmanager@youdaelectronics.com


2pcs 1 matched pair  New Tested Psvane HIFI 211 AMP Vacuum Tube for Tube amplifier



211 is direct-heated type thorium tungsten cathode triode, can be used as class A, B and C.

Heater
Uf--------------------------------------10 V
If---------------------------------------3.25 A


Direct Interelectrode Capacitances
input----------------------------------6 PF
output----------------------------------5.5 PF
grid to plate----------------------------------14.5 PF

Static parameter

Ua--------------------------------------1250 V
—Ug------------------------------------70 V
Ia--------------------------------------100 mA
Gm-------------------------------------3.8 mA/V
u(当Ia=75mA时)---------------------------12
RL--------------------------------------7 KΩ
Pout------------------------------------10 W

Recommended Operating Conditions ( reference value)

class A(A-F) for two tubes
typical working condition     limited parameter

Ua--------750 1000 1250 1250 V
Pa----------------------------75 W
—Ug-------46 61 80 V
Ug(pk)-----41 56 75 V

Ia(0)-------34 53 60 mA
ri---------4.4 3.8 3.6 KΩ
RL--------8.8 7.6 9.2 KΩ
Pout-------5.6 12 19.7 W


Push-pull. class B(A-F)

typical working condition     limited parameter

Ua------------------ 1000 1250 1250 V
Ia (mAx.sig per tube)-------------------175 mA
Pa (in) (mAx.sig per tube)--------------- 220 W
Pa (per tube)------------------------- 100 W
—Ug------------------72 95 V
Ug(pk)-----------------380 410 V
Ia (0)------------------20 20 mA
Ia(mAx.sig)-----------320 320 mA
Pd(mAx.sig)------------7.5 8 W
RL(a—a)---------------6.9 9 KΩ
Pout------------------200 260 W

    


Factory history and overview

Changsha Hengyang Electronics Co., Ltd. specializes in R & D and the sales of audio tubes. All the items have passed the ISO9000 Quality System Certification. In May 2011, Changsha Hengyang Electronics CO., LTD was founded;

In July 2011, the manufacturing base was established in Changsha;
In August 2011, PSVANE’s first tube----845 was rolled off;

In September 2011, PSVANE 845 series began to supply our products to some main tube amplifier enterprises at home and abroad.

In October 2011, Changsha Hengyang Electronics Co., Ltd. wholly owned acquisition of a famous tube production enterprise in southern China, which sent shock waves through the industry.

In November 2011, PSVANE HIFI series (300B, 2A3, EL34, KT88, 5881, 6SN7, 274B and so on) were officially rolled off.

In November 2011, the company got the ability to develop and produce three series that cover more than 50 types of tubes. The whole strength and production-marketing scale are among the world’s top four, which is unprecedented in the industry. The foreign media said that “the future of the world’s tubes is in China, and the future of Chinese tubes is in Hengyang”.

In November 2011, PSVANE Reproducing Classic Series came to the market overseas and caused a sensation. 

In November 2011, PSVANE HIFI series fully entered to the retailing market aboard and well received by customers from the middle and low-end market because it has better sound, appearance, stability and cost performance than other brands. 

In May 2014, Changsha Hengyang Electronics Co., Ltd entered into Jiahai Industrial Park, which means has turned into a new page. 


















 
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