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Specification
AgeRangeDescription : adult
Brand : LHXEQJAM
BulletPoint : Signal Amplifiers
Color : One Color
ExternallyAssignedProductIdentifier : 7540071062949
ItemName : 300B Vacuum Tube Audio Valve Audio Amplifier(4pcs Matched Quad)
ItemPackageDimensions_Height : 1 centimeters
ItemPackageDimensions_Length : 1 centimeters
ItemPackageDimensions_Width : 1 centimeters
ItemPackageQuantity : 1
ItemTypeKeyword : satellite-tv-signal-amplifiers
Manufacturer : LHXEQJAM
ModelName : LHXEQJAM
ModelNumber : LHXEQJAM
NumberOfBoxes : 1
NumberOfItems : 1
PartNumber : LHXEQJAM
ProductDescription : Signal Amplifiers
Direct-heated cathode medium power triode, suitable for class A1 amplification. In audio amplifiers, it is suitable for applications requiring an output power of 10W.
Extreme Rating
Anode voltage 480V
Anode power dissipation 40W
Cathode current
Self biased 100 mA
Fixed bias 70 mA
Interelectrode capacitance
Input capacity 9PF
Output capacitor 4.3PF
Inter-circuit capacitance 15PF
Static parameters
Ua300V
-Ug 60V
60 mA
On-resistance 5.5 mA/V
Ri0.7 K
3.85
Output power 6.6W
Recommended parameters
Ugg
Ua Uf (AC) Uf (DC) I a
Voltage --~ Voltage----Voltage---- mA
200--33--29.5--77
200--45--41.5--20
250--46--42.6--74
250--57--53.6--22
300--60--56.5--68
300--70--66.5--23
400--86--82.5--68
400--98--94.5--19
Limit Parameters
450--100--96.5--60

Channels: 2 (2.0)
Model: 300B
Maximum power per channel: No power supply
ProductSiteLaunchDate : 2025-06-20T03:24:56.836Z
Size : 4pcs Matched Quad
UnitCount : 1
UnspscCode : 52140000