COB светодиодная лента 220В теплый белый

PSVANE WE845 PLUS Vacuum Tube 1:1 Copy WE 845 Upgrade 845B 845T 845C E-845 HIFI Audio Valve Electronic Tube Amplifier Kit Diy

Filament heating

U f-----------------10 V

If----------------3.25 A

Limit rating

Anode voltage---------------1250 V

Anode dissipation power-------------75 W

Output power at maximum signal-----------150 W

Maximum anode current -----------120 mA;

Interelectrode capacitance

Input capacitance-------------------6 PF

Output capacitance-----------------4.5 PF

Trans-circuit capacitance-----------14.5 PF

Static parameters

Ua----------------1250 V

Ug------------200 V

Ia--------------80 mA

Gm------------------3 mA/V

ri------------------1.7 KΩ

u------------------5

RL------------------3.4 KΩ

Ug(pk)-----------------69 V

Pout--------------------15 W

Recommended working status (reference value)

Single tube A1 zoom:

Ua-----1000 1000 1250 V

Ug--- 145 155 209 V

RL-----6 9 16 KΩ

Ia------90 65 52 mA

Gm-----3.1 mA/V

Ug(pk)--- 110 148 V

ri------1.7 1.9 2.1 KΩ

Pout----24 21 24 W

Push-pull AB1 class zoom:

Ua------------------ 800 1000 1000 1250 V

Ug---------------- 125 170 175 225 V

RL------------------ 4.5 4.6 4.6 6.6 KΩ

Ia--------------------80 70 40 40 mA

Ug(pk)----------------177 240 V

Ia (mAx.sig)---------170 230 230 240 mA

Pout----------------40 75 75 115 W

The shop promises:

The electronic tubes operated by our store are guaranteed to be brand new and high quality Genuine products from the original factory, and we will provide free replacements for any quality problems within 1 year All tubes are rigorously tested to match Buy 2pcs=Precision matched pair Buy 4pcs=Precision Matched Quad We have the conditions and advantages to match multiple tubes (four tubes, eight tubes) according to customer needs The same parameters It is a professional shockproof and firm package It is absolutely safe

Note: If you only buy 1 pcs, there will be no original gift boxIt will be shipped after strict inspection again (please do not think it is a fake and show product after receiving the tube)