Paul Speltz Zero-Box Autoformer With Tenor OTL

@larryi

ok, you are right, i did not realize that was what an Auto-former did.

OTOH the magic of the Tenor OTL is it’s singular purity and sparkle. why would you do anything to dumb that down? why bother with an OTL then?

now 20 years later, my experience with the Tenor OTL’s with the Kharma is my all time reference sound that still guides me in my music reproduction journey. if they did not ignite regularly i might still have them. :-)

in 2001-2003 i used the 75 watt Tenor OTL mono blocks into Kharma Exquisite 1D’s with a passive Placette RVC (remote volume control) and was fantastic. in my opinion i got zero degradation and the combination was very solid, without any frequency response compromises. sometimes passive volume controls do restrict dynamics more than frequency response. but i felt that was never an issue.

at one point i did try the Bent Audio passive unit too; but i preferred the Placette.

in the picture linked below you can see the Placette sitting on the floor between the amps. here are pictures;

https://www.whatsbestforum.com/threads/getting-good-sound-from-%E2%80%9Cregular%E2%80%9D-rooms.39378/page-3#post-996101