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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, LL1688
Lundahl Tube amplifier output transformer, LL1691
Lundahl Tube amplifier output transformer, LL1691B
Lundahl Silver wire Tube amplifier output transformer, LL1691BAg
Lundahl Tube amplifier output transformer, LL1693
Lundahl Tube amplifier output transformer, LL2735B
Lundahl Amorphous Core Tube amplifier output transformer, LL2735BAM
Lundahl Tube amplifier output transformer, LL2735F
Lundahl Amorphous Core Tube amplifier output transformer, LL2735FAM
Lundahl Tube amplifier output transformer, LL2750-PP
Lundahl Tube amplifier output transformer, LL2750-25mA
Lundahl Tube amplifier output transformer, LL2750-40mA
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