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New 1 Matched pair Psvane 6CA7-T MKII premium Vacuum Tube Replace 6CA7 EL34 HIF AMP

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Psvane 6CA7-T MKII premium grade Vacuum Tube Replace 6CA7 EL34 HIF AMP
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1. Free shipping with tracking number.
2. Price is for one  matched pair.
 
our email address:
salesmanager@youdaelectronics.com

 

New 1 Matched pair Psvane 6CA7-T MKII premium Vacuum Tube Replace 6CA7 EL34 HIF AMP
 

6CA7-TII is high property audio output pentode, its anode limited dissipation power is 25W, the output power is over 10W when it is used as class A1 in amplifier single tube, and it is over 35W when it is used as class AB1 double tubes.

 6CA7-TII is very similar with  EL34, which can be replaced by each other.

 

Heater
UH……………………………6.3 V
IH……………………………1.5 A

Static Parameter
Ua…………………………… 250 V
Ug2……………………………250 V
Ug3…………………………… 0 V
-Ug1…………………………12.2 V
Ia…………………………… 100 mA
Gm…………………………… 11 mA/V
ri…………………………… 15 kΩ
μg1-g2………………………11    

Maximum Rating
Ua……………………… 800 V
Ug2………………… 500 V
Ug1………………… -100 V
Pa………………… 25 W
Pg2…………… 8 W
Ik………………………150 mA
Rg1
With cathode bias………………………0.7 MΩ
With fixed bias……………………0.5 MΩ
Uh-k ………………±100 V
Tbulb………………………250 ℃

Direct Interelectrode Capacitances

input…………………… 15.2 PF
output…………………… 8.4 PF
grid to plate…………………… 1.1 PF
grid to filament……… 1.0 PF
Cathode to filament…………… 10 PF

 Recommended Operating Conditions(reference value)
class A1, singel tube, fixed bias

Ua(b) …………………… 265 265 V
Ua……………………………250 250 V
Ug2……………………… Rg2=2k Rg2=0 
Ug3……………………………0 0 V
-Ug1……………………… 14.5 13.5 V
Ia(0) ………………………70 100 mA
Ig2(0) …………………… 10 14.9 mA
Gm…………………………… 9 11 mA/V
ri……………………………18 15 kΩ
RL…………………………… 3 2 kΩ
Pout………………………… 8 11 W
Dtot…………………………10 10 %

push-pull, class B1, fixed bias
Ua……………………………375 400 V
▲Rg2………………………… 600 800 Ω
Ug3………………………… 0 0 V
-Ug1………………………… 33 36 V
Ia(0) …………………2×30 2×30 mA
Ia(maxsig) ………2×107.5 2×110.5 mA
Ig2(0) ………………2×4.7 2×4.5 mA
Ig2(maxsig) ………2×23.5 2×23 mA
Rl(a-a) ………………3.5 3.5 kΩ
ü(g1-g1)(r.M.S) ……… 46.7 50 V
Pout……………………48 54 W
Dtot……………………2.8 1.6 %
▲ Rg2is used in two tubes.

push-pull, classB1, cathode bias, ultra-linear connection 
(43% tapping points)
Ua………………………………430 V
Rg2…………………………… 2×1 kΩ
Ia(0) ………………………2×62.5 mA
Ia(max.sig) ……………… 2×65 mA
Ig2(0) ………………………2×10 mA
Ig2(max.sig) …………… 2×10.2 mA
Rk……………………………2×470 Ω
?(g1-g1)(r.M.S) ……………35 V
RL(a-a) ……………………… 6 kΩ
Pout……………………………20 W
Dtot………………………… 0.35 %     







 
 


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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