Otl Tube. The 6C33C is today probably the best tube available for OTL’s it is a pure triode it can pass high continuous currents and it is relatively cheap and easy to come by for more info about this tube seeinfo about 6C33CThere have been a lot of OTL amplifiers designed with this tube with many different circuit designs OTL circuits.

Amplifiers Vacuum Tube Systems Hi Fi Hihighend 6c33c Triode Set Otl S otl tube
Amplifiers Vacuum Tube Systems Hi Fi Hihighend 6c33c Triode Set Otl S from Lampizator

It is very much worth to build the OTL amp if you feel the time has come It changed my view on the whole tube amplification thing There is quite a lot of OTL amps schematics available nowadays but I think the best ones are based on 6C33C tubes in output stage This tube is capable to drive real current needed for lowohm speakers.

You Can DIY! A 25W OTL Tube Amplifier audioXpress

OTL is an acronym which stands for “output transformerless” OTL amps stand apart from regular tube amplifiers which use high voltages and therefore require a transformer to convert to a speaker’s low voltage.

OTL = Output Trasformer Less Tube Amplifiers

Transcendent Sound Vacuum Tube OTL Audio Amp Kits The Son of Beast OTL Lowest Cost 15W Stereo OTL Amplifier Full kit Only $849 without tubes Available with Grey or Black Front Panel Outstanding Features Include Lowest Price Dead Quiet Simpler Circuit Tremendous Bottom End Lowest Heat Classic OTL Sound The Son of Beast OTL is the latest in the ongoing evolution.

Output transformerless Wikipedia

An alternative is the output transformerless (OTL) tube amplifier However this concept is not easy to realize in practice otherwise there would be more of these around Amplifier Options My OTL design offers several solutions.

Amplifiers Vacuum Tube Systems Hi Fi Hihighend 6c33c Triode Set Otl S

OTL Amplifier The Sound of Perfection! © Tenor Inc. 2000

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SET vs OTL amps which one offers true “tube” sound

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7 results for otl tube amplifier ebay.ca

12 results for otl tube amplifier ebay.ca

Resources: OTL Defined

Allnic L9000 OTL/OCL line stage preamplifier Kevalin Audio

The only TekTron search result is this TK One Head Tektron Audio which lists technology as “OTL” Matched tubes ECC82 x 2 – 5687 x 4 – 6ZY5 x 2 OR 6X5 so no mention of 6080 That uses big bottle for rectification the signal path is all B9A tubes Given TekTron has only been trading since 2014 I assume that either the amp is an old model that is nolonger listed or it wasn’t a.