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 |
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