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In Reply to: RE: Who makes a headphone SET amp? posted by aarocks on September 01, 2016 at 05:52:59
A SET is a Single Ended Triode. If there is no triode then it is NOT a SET. The Consonance CYBER-20, for instance is not a SET. It is a SEP since it is a Single Ended Pentode.
"Cyber-20 is the first high-end vacuum tube headphone amplifier produced by Opera Audio. It uses two EL84 connected in triode mode single end operation"
Follow Ups:
Usually, there is a picture of the amp and/or the type of power tube is specified. If you don't know whether it is a triode or not, find a data sheet for the tube and that will tell you. The most common non-dht, non-idht tubes used are members of the KT88, EL34, 6L6, 6V6 families, i think.
It seems like a lot of amp descriptions will mention "single-ended" or "triode" but not necessarily "SET" or "single-ended triode". Is there a way to tell when researching them?
Is the Cyber-30 an SET?
> It seems like a lot of amp descriptions will mention "single-ended" or "triode" but not necessarily "SET" or "single-ended triode".
Yes, marketing documents are intended to confuse the consumer by using audio buzz words.
> Is there a way to tell when researching them?
Yes, look at the tubes in the device. Is the output tube a triode? If YES then it is a SET. If NO then NOT a SET.
Don't know if the tube is a triode or pentode? Look it up at the link below.
> Is the Cyber-30 an SET?
The Consonance CYBER-20, for instance, is not a SET. It is a SEP since it is a Single Ended Pentode. Check the EL84 data sheet at the link below.
Got it. So if the output tubes are triodes then it's an SET.
The Cyber 30 is said to use 2a3 output tubes which I believe are a triode tube so that's all we need to know to determine that it's an SET?
http://www.opera-consonance.com/products/cyber30.htm
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