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Tube amplifier output transformers
All OPTs are built in our dual coil single C-core style and can be ordered with a choice of core air-gap for Push-Pull or Single-Ended applications. Most of our OPTs can be configured for different primary and secondary impedances.
The use of C-cores with well-defined air-gap results in an almost constant ind...
Tube amplifier output transformers
All OPTs are built in our dual coil single C-core style and can be ordered with a choice of core air-gap for Push-Pull or Single-Ended applications. Most of our OPTs can be configured for different primary and secondary impedances.
The use of C-cores with well-defined air-gap results in an almost constant inductance throughout the whole operating voltage range. For SE transformers, the primary inductance variation due to signal level is less than 7%.
Most of the transformers below are available with amorphous iron C-cores. The amorphous cores are considered to have sonic advantages, but the signal level capability with amorphous core is about 30% less than with a conventional silicon-iron C-core.
Lundahl Tube amplifier output transformer, LL1620
Lundahl Tube amplifier output transformer (a special version of the LL1620), LL1620CFB
Lundahl Tube amplifier Amorphous Core output transformer, LL1620CFB-AM
Lundahl Tube amplifier output transformer, LL1623
Lundahl Tube amplifier output transformer, LL1627
Lundahl Tube amplifier output transformer, LL1663-100mA
Lundahl Tube amplifier output transformer, LL1663-50mA
Lundahl Silver wire tube amplifier output transformer, LL1663Ag-100mA
Lundahl Silver wire tube amplifier output transformer, LL1663Ag-50mA
Lundahl Amorphous core silver wire tube amplifier output transformer, LL1663AgAM-100mA
Lundahl Amorphous core silver wire tube amplifier output transformer, LL1663AgAM-50mA
Lundahl Amorphous core silver wire tube amplifier output transformer, LL1663AgAM-PP
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