azazello

Responses from azazello

Decrease to 0 hummm in Scott 340 B
I think, this filter group is from old model Scott with tube rectifier. In next model tube is changed to SS rect, but filter remains the same, because SS rectifiers need caps value in some times more....first 100-200 uF and next - 300-400 uF. /In ... 
Baltimore MD
https://www.youtube.com/watch?v=MxIweBK6vlU My big SE GK71 & 6P15P /Russian/ Im in Baltimore from 1 year. 
Why people says SE is better PP
https://www.youtube.com/watch?v=MxIweBK6vlU My big SE GK71 & 6P15P /Russian/ - prototype  
What separate tube phono stage do you use ?
E88CC or Russian 6Ф12П. I dont like 12AX7, because it has sharp and metal sound like for guitar amps /people senses it like detail, but its not true/.6Ф12П is penthod /for first stage/ and triod for second /with big current and big mu, like 12AX7/. 
My first Tube Amplifier
I never buy tube amp, but I have more 60 tube projects. First was SE EL84, next 6L6, 6S19P, 6S33S, 6P1P, 6AS7, 2A3 RCA, 300B JJ.....I had and PP, that is better only with it more power, but with sharp and metal sounding. IMO, SE is better with it ... 
Speaker Recommendation: 20K range
IMO, Speaker must be connected direct /without crossovers, that changes and press the sound/ to the output of amplifier. Better use good 8 inch fullrange with sensitivity more 92-94 dB for 50-14000 Hz. And You can add for bass 10-12 inch speaker f... 
Speaker recommendation
Dont forget, every speaker needs it room! Advices doesnt enough for buing. 
What is needed to build a tube amp and what non?
I listen posts about amps and I wondered, people very likes brand amps and ready to give thousnad money for amps, towers with ordinary components and speakers /Sorry for my bad English!/.....that are with common using, for ex. tube amps with cheep... 
First Watt J2
You can use fullrange, bass and tweeter speakers. Fullrange 8 inch /no less/ for 50-14000 Hz /connected direct to amp, without crossover, that press the sound, that is most iportant/ for voices, simph. music, jazz...Bass 12 inch speaker for 30-35 ... 
First Watt J2
kalali,I have 1.3 W SE EL11 Telefunken /in triod/ & EBF11 Telefunken /in triod/ & AZ1. This is my project. Im very glad. It drives my Fullrange 8 inch with added 12 inch bass speakers. If You are interesting, I can give You my amp for a fe... 
Reasonably Priced 6CA7 NOS (or even good used old stock) Tubes Available Anywhere?
How many hours You listen Your amp on 90-100 % of full output power?I doubt the Your time is no more 2-3 min. per day. And You will pay thousand for this time? For this price You can buy amp with realy audiophill  tubes with better sound, like SE ... 
Is there DIYers meetings?
Thanks!  
What is needed to build a tube amp and what non?
I hoted, link is in post 2 in diyaudio.Thanks for post above! 
What is needed to build a tube amp and what non?
....I can not open the link 
What is needed to build a tube amp and what non?
Thanks! But I dont open. The link is blocked /Im a member/.