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Specification
AgeRangeDescription : adult
Brand : LHXEQJAM
BulletPoint : Signal Amplifiers
Color : One Color
ExternallyAssignedProductIdentifier : 7540069273838
ItemName : 300B-L UK300B Vacuum Tube Amplifier Kit(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
It is a direct-heated cathode medium-power triode for class A1 amplification. In audio amplifiers, it is suitable for 10W output power.
Extreme Rating
Anode voltage: 480V
Anode dissipation power............ 40W
Cathode current
Self bias ................................. 100 mA
Fixed bias voltage 70 mA
Interelectrode capacitance
Input capacitance................................9pF
Output capacitance................................4.3PF
Inter-circuit capacitance................................15PF
Static parameters
Ua............................300V
-Ug......................60V
Current value...............60 mA
Transconductance................................5.5 mA/V
Ri........................0.7 K
................................ 3.85
Pout..............................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

Model: 300BL
Maximum power per channel: No power supply
Origin: Mainland China
Certification: CE
Product Type: Vacuum tube, electron tube
Replaces: 300B 4300B 300BT 7300B 300BG 300BC
Application: tube amplifier, HIFI amplifier, DIY audio amplifier accessories
ProductSiteLaunchDate : 2025-06-14T02:00:42.729Z
Size : 4pcs Matched Quad
UnitCount : 1
UnspscCode : 52161547