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Premium Grade Vacuum Tube Power Amplifier , Hifi Tube Amp 845-T II MarkII

Categories Stereo Vacuum Tubes
Brand Name: PSVANE
Model Number: 845-T II
Certification: Rhos
Place of Origin: China
MOQ: Negotiable
Price: Negotiable
Payment Terms: Paypal, T/T, Western Union
Supply Ability: 1000pcs/month
Packaging Details: Standard box
Type: Audio Tube
Model: 845-T II
Brand: PSVANE
Application: tube amplifier
Socket: 4 pins
Material: Glass
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Premium Grade Vacuum Tube Power Amplifier , Hifi Tube Amp 845-T II MarkII

Stereo Vacuum Tubes Matched Pair Audio Valve Tubes PSVANE Premium Grade 845-T II MarkII (845)


**We also have tube socket for 845 tube, if you need, please contact us, thank you!


845-TII
TII-Series: Positioning in exceeding totally, not only exceed all the same types of productions that always been imitating on the market, but also to exceed itself.




845-TII is direct-heated type thorium tungsten cathode triode, class A1 and AB1
Heater
Uf---------------------------------------10 V
If----------------------------------------3.25 A
Maximum Rating
Ua----------------------------------1250 V
Pa-------------------------------75 W
Pout(max.sig)--------------------------150 W
Ia(max)------------------------------120 mA;

Direct Interelectrode Capacitances

input----------------------------------6 PF
output----------------------------------4.5 PF
grid to plate----------------------------------14.5 PF

Static parameter
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 Operating Conditions(reference value
class A1 .single tube
:
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.class AB1:
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



Cheap Premium Grade Vacuum Tube Power Amplifier , Hifi Tube Amp 845-T II MarkII for sale
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