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Old 17th January 2013, 04:09 AM   #4631
djn is offline djn  United States
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That is gorgeous work Eboz. I really like the steam punk theme.
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Old 17th January 2013, 04:44 AM   #4632
AJT is offline AJT  Philippines
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Quote:
Originally Posted by alexg View Post
Hi Tony,

Can you please share the schematic?

Thanks.
yes, sure, after i have debugged and commissioned the amp....

the amp is a buffered one using 6R-RH8,(6dj8)...
a 6BH11 input and LTP stage ala Mullard 5-20 topology....
the 6AV5's are run pentode mode, with G2 set to 150volts regulated using a mosfet regulator, the screen grid supply is delayed by about 3seconds..operating point of the output is about 400V plate and about 30mA cathode current...
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Old 18th January 2013, 05:30 PM   #4633
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Default LED bias

150mA max, 11.5V bias array for a new 10GK6 PP UL amp I'm working on.
One half, for one push-pull pair, lit up for testing.

Now to finish the amp.
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Old 19th January 2013, 02:27 PM   #4634
dady is offline dady  Balearic Islands
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Quote:
Originally Posted by eboz View Post
It took me over two years in planning and construction, but they're finally completed! It was as much an exercise in aesthetics, as it was for sound quality. That is to say, they sound at least as good as they look!

-MW
I like very much your finish, I like the table for the Amp, Is made with Cooper? I d'like to know about its. I am planning my own HiFi table (Professional) And now I am looking several designs and forms.
Well done Mister.
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Old 19th January 2013, 02:51 PM   #4635
wlowes is offline wlowes  Canada
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Default Congratulations!!

Quote:
Originally Posted by eboz View Post
It took me over two years in planning and construction, but they're finally completed! It was as much an exercise in aesthetics, as it was for sound quality. That is to say, they sound at least as good as they look!

-MW
I am compelled to join the others in congratulating you on this result. The planning and the execution care are evident. These are truly a work of art from the perspective of engineering, aesthetics and execution.

I have found the work of so many on this thread to be creative and noteworthy. These however are in a class by themselves as original art.

I would be interested in an image of the underside wiring if possible, and a description of the 3 separate chassis. I get from the circuit diagram where you drew the line between raw power and signal.
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Old 19th January 2013, 05:39 PM   #4636
eboz is offline eboz  United States
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Quote:
Originally Posted by wlowes View Post
I am compelled to join the others in congratulating you on this result. The planning and the execution care are evident. These are truly a work of art from the perspective of engineering, aesthetics and execution.

I have found the work of so many on this thread to be creative and noteworthy. These however are in a class by themselves as original art.

I would be interested in an image of the underside wiring if possible, and a description of the 3 separate chassis. I get from the circuit diagram where you drew the line between raw power and signal.
There have been a few changes since these pictures have been taken. The signal chassis shows a SSHV being used, but it's since changed to a SSHV2. The first chassis on the rack is an external speaker crossover for Klipsch Forte II, second is the power supply chassis, and up top is the signal chassis.

-MW
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Old 20th January 2013, 03:22 PM   #4637
kees52 is offline kees52  Netherlands
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Default big tube amp

Hi There
I did saw this, a big amp, but also big voltages.

GU81 Tube Amp / Röhrenverstärker Trafo+Anodenglühen - YouTube


regards
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Old 21st January 2013, 06:58 PM   #4638
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Originally Posted by regiregi22 View Post
Got the same pair of speakers!
Sorry OT, regiregi22 your pm box is full.
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Old 22nd January 2013, 12:39 PM   #4639
kmtang is offline kmtang  Canada
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Default 2A3 Single Ended Mono Amplifier

This is the Mono Amplifier that I built for my friend Brian Kim. This is the very first SE amp of Hi Fi tube amp of his collection. It employs Lundahl's LL1623AM amorphous core output transformer, and LL1638 double choke filtering for the B+. Driver is with 7N7 tube and each stage with separate RC B+ filtering.



Johnny
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Last edited by kmtang; 22nd January 2013 at 12:48 PM.
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Old 23rd January 2013, 11:33 PM   #4640
Zekk is offline Zekk  Singapore
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Ebox... the woodworks is equally gorgeous! Wondering where, I can find someone to do dovetail joints for mine?

Thanks for the inspiration!
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