Vacuum Tube - 3S4 / DL92, Pentode, Power
New-Old-Stock (NOS) tube.
The 3S4 is a filamentary type power output pentode in the miniature construction. It is characterized by economy of filament power and ability to perform well at low plate supply voltages such as encountered in portable equipment.
Also known by US military identifier VT-174.
Note: brands may vary. Photo is for reference only and may not exactly represent final product received.
Packaging Dimensions | 1 in. × 1 in. × 3 in. | ||
Weight (Packaging) | 0.0309 lbs. |
NOS Tube Specification Sheet | All Models |
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Product Reviews
The tube worked very good with a one tube regeneration receiver. The original tube went out due to using 2 D cell which produced over the 2.8Volts for the filament.