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-   -   My simple 5010 amplifiers (http://www.diyaudio.com/forums/tubes-valves/54336-my-simple-5010-amplifiers.html)

arnoldc 28th March 2005 01:17 AM

My simple 5010 amplifiers
 
Thanks to all those who gave me learning and advice on this thread - http://www.diyaudio.com/forums/showt...threadid=48999

I've completed the amplifier and here it is with Sylvania 10Y

http://img52.exs.cx/img52/963/img01567pm.th.jpg

and with Cunningham UX-250

http://img123.exs.cx/img123/5983/img01552ku.th.jpg

Again many thanks!

Hey Alexandar, it is still simple: 5842 -> 50/10 ;)

audiousername 28th March 2005 01:22 AM

Congratulations! It's very nice. Perhaps worthy of going in the Photo Gallery thread.

The W-Th filament of the 10Y looks so much better though! :D

DigitalJunkie 28th March 2005 03:23 AM

Yea,Those puppies really light up!
Nice work! ;)

arnoldc 28th March 2005 04:51 AM

thanks guys... now my 45 amp with Tamura transformer needs some overhaul because sonically, it's left behind when compared to my 5010 amp :(

Raj1 28th March 2005 12:52 PM

Hi Arnold,

Nice amp, I sifted thru the other thread, so which schematic did you use?

Thanks
Raja

arnoldc 29th March 2005 12:40 AM

2 Attachment(s)
Hi Raja,

Here is the updated schematic. What is not shown is the TDO hum balance pots for the 50/10Y filaments that I installed last night.

Due to limitations of my power transformer, the Lundahl LL1648, the voltages of the power tube and driver tube (5842) are starved. If I'd had the choice, I will be sticking to 7.5V filaments for the 50/10Y.

However, both power tubes offer glorious mids. With the 10Y a bit more magical, subjectively. The 50 though is a power performer, the weight, dynamics and detail are there and can do justice to dance music extremely well. Both tubes offer emotional reproduction of classical music.

Should you pursue this project, I believe you can do better than this ;)

Good luck!


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