Psvane hifi tube 805A 1pair
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Item#: Psvane 805A
$108 (unit price)
Quantity:
$108 (unit price)
Quantity:
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| Quantity | Unit price (USD) |
| >= | $ 108 |
| >= | $ 98 |
| >= | $ 88 |
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Features and Specifications
805A is a direct-heated thorium tungsten cathode triode, which can be used for class B, A-F, R-F power amplification, class C R-F power amplification and high-frequency oscillation. price for 1pair
Filament heating
Uf--------------------------------------10 V
If---------------------------------------3.25 A
Interelectrode capacitance
Input capacitance----------------------------------8.5 PF
Output capacitance----------------------------------10.5 PF
Trans-circuit capacitance----------------------------------6.5 PF
Limit rating
Anode voltage----------------------------------1500 V
Anode dissipation power -------------- 125 W
Recommended working status (reference value)
Class B A-F power amplifier (two tubes):
Typical working conditions Limit parameters
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 power amplifier (R—F):
(Under the carrier condition, the maximum modulation factor of each tube is 1)
Typical working conditions Limit parameters
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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Psvane 805A
Psvane 805A
Psvane 805A
