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PSVANE HIFI 805A Electron Vacuum Tube Replace 805 FU-5
Item ID #HIFI 805A
List Price: $100.00
Price: $95.00
Qty.Range(unit)
Price(per unit)
Discount
1
$95.00
$0.00
10
$90.00
$5.00
30
$85.00
$10.00
50
$80.00
$15.00
100
$75.00
$20.00
Description
Brand New PSVANE HIFI series Vacuum tubes
Item NO: Hifi 805A
Quantity: 2PCS (1 Matched Pair)
805 is direct-heated type thorium tungsten cathode triode, can be used as class B, A-F, and R-F power amplification, class C R-F power amplification and high frequency
oscillation.
Heater
Uf--------------------------------------10 V
If---------------------------------------3.25 A Direct
Interelectrode Capacitances input----------------------------------8.5 PF
output----------------------------------10.5 PF
grid to plate---------------------------------6.5 PF
Maximum Rating Ua---------------------------------1500 V
Pa-----------------------------125 W
Recommended Operating Conditions (reference value)
class B(A-F) for two tubes typical working condition limited parameter
Ua------------------ 1250 1500 1250 V
Ia (mAx.sig per tube)------------------- 210 mA
Pa (in) (mAx.sig per tube)--------------- 315 W
Pa (per t ---------------------------- 125 W
Ug-----------------------------------16 V
Ug(pk)----------------235 280 V
Ia (0)-----------------148 84 mA
Ia(mAx.sig)----------500 600 mA
Pd(mAx.sig)------------6 7 W
RL(a-a)---------------6.7 8.2 KΩ
Pout(mAx.sig)-----------300 370 W
class B(R-F):
Carrier conditions the biggest modulation coefficient is 1 per tube
typical working condition limited parameter
Ua------------------ 1250 1500 1500 V
Ug-----------------------------------10 V
Ia -------------------135 115 150 mA
Pa (in) ------------------------------185 W
Pa ---------------------------------125 W
Ug(pk)----------------70 70 V
Ig -------------------15 15 mA
Pd-------------------11 7.5 W
Pout------------------55 57.5 W
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