How is a ESL driven directly by tubes?

ak_47_boy · 4th November 2006, 03:03 AM

No output transformers, i saw this done someware i can't find it again.

el`Ol · 4th November 2006, 05:31 AM

Here is a direct drive thread:
Direct drive amp schematic

A second question if it is allowed to expand the topic:
Does anybody have the schematic of the Lundahl magamp? I ask myself whether it is possible to build a high voltage version with selenium diodes.

ak_47_boy · 6th November 2006, 07:24 PM

I have another quick question (sry it doesent really relate much to the thread title). Are there any formulas for stator spacing, wire sizes, voltages ect.

Tweeker · 6th November 2006, 07:44 PM

Brian Beck's extreme example, direct drive no stepup parallel 833 bridge SRPP amplifier, with + and - 4000V rails. 4 833s per channel. Drives Quad ESL-63s.

4th November 2006, 03:03 AM	#1
ak_47_boy diyAudio Member Join Date: Sep 2006	How is a ESL driven directly by tubes? No output transformers, i saw this done someware i can't find it again.

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4th November 2006, 05:31 AM	#2
el`Ol diyAudio Member Join Date: May 2005 Location: Bavarian Forest	Here is a direct drive thread: Direct drive amp schematic A second question if it is allowed to expand the topic: Does anybody have the schematic of the Lundahl magamp? I ask myself whether it is possible to build a high voltage version with selenium diodes.

6th November 2006, 07:24 PM	#3
ak_47_boy diyAudio Member Join Date: Sep 2006	I have another quick question (sry it doesent really relate much to the thread title). Are there any formulas for stator spacing, wire sizes, voltages ect.

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