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kstagger · 9th August 2008, 12:53 PM

built one monoblock so far -

EF86 pentode RC coupled to an EL156. Adjustable bias, meter, b+ and bias measurement points. Tube rectified. Using all Hammond iron here.

lotomo · 12th August 2008, 09:28 AM

This is my 300B amplifier. All tube is direct heater

Bas Horneman · 12th August 2008, 12:08 PM

Hi lotomo,

What tubes did you use for driver and input?

Regards,
Bas

felixx · 12th August 2008, 01:40 PM

...and what speakers did you use?

lotomo · 13th August 2008, 02:10 PM

Hi Bas Horneman, felixx

Tube use for input and driver is 4P1L of Soviet Union. 4P1L is pentode, direct heater.

This is datasheet
http://www.russiantubes.com/prop.php?t=12&p=71

My speker is Sony 5050/II
http://audio-heritage.jp/SONY-ESPRIT...s-5050_ii.html

Regards,
Lotomo

HDaudio · 15th August 2008, 02:30 AM

How the sound Lotomo?

lotomo · 15th August 2008, 09:44 AM

Hi HDaudio, nice to meet you here

Sound of my 300B is very good

. Treble light and soft, bass strong ,warm singing voice...

Sorry for my vocabulary is very poor

Regards,
Lotomo

lotomo · 18th August 2008, 01:35 AM

This is my new preampli

And valve

And the future, next ampli which bring 300B in to dark

alpswolf · 18th August 2008, 07:40 AM

Any body interest DAC?

FastEddy · 18th August 2008, 02:57 PM

Quote:

Originally posted by alpswolf
Any body interest DAC?

You bet! ... more pictures? Tech details? ... got USB / FireWire I/O ? 16 or 24 bit?

9th August 2008, 12:53 PM	#2161
kstagger diyAudio Member Join Date: Dec 2003 Location: Grand Rapids	EL156 amplifier built one monoblock so far - EF86 pentode RC coupled to an EL156. Adjustable bias, meter, b+ and bias measurement points. Tube rectified. Using all Hammond iron here.

12th August 2008, 12:08 PM	#2163
Bas Horneman diyAudio Moderator Emeritus Join Date: Apr 2002 Location: The Netherlands Blog Entries: 18	Hi lotomo, What tubes did you use for driver and input? Regards, Bas __________________ Boatanchor amps forum My "adventures" in audio

12th August 2008, 01:40 PM	#2164
felixx diyAudio Member Join Date: Feb 2005 Location: in center	...and what speakers did you use? __________________ "I'm glad I can build my own mistakes."

15th August 2008, 02:30 AM	#2166
HDaudio diyAudio Member Join Date: Jul 2006	How the sound Lotomo? __________________ Like DIY audio ! http://www.linn-vn.com/

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12th August 2008, 09:28 AM	#2162
lotomo diyAudio Member Join Date: Oct 2004	This is my 300B amplifier. All tube is direct heater

13th August 2008, 02:10 PM	#2165
lotomo diyAudio Member Join Date: Oct 2004	Hi Bas Horneman, felixx Tube use for input and driver is 4P1L of Soviet Union. 4P1L is pentode, direct heater. This is datasheet http://www.russiantubes.com/prop.php?t=12&p=71 My speker is Sony 5050/II http://audio-heritage.jp/SONY-ESPRIT...s-5050_ii.html Regards, Lotomo

15th August 2008, 09:44 AM	#2167
lotomo diyAudio Member Join Date: Oct 2004	Hi HDaudio, nice to meet you here Sound of my 300B is very good . Treble light and soft, bass strong ,warm singing voice... Sorry for my vocabulary is very poor Regards, Lotomo

18th August 2008, 01:35 AM	#2168
lotomo diyAudio Member Join Date: Oct 2004	This is my new preampli And valve And the future, next ampli which bring 300B in to dark

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jacobthellamer, vconsumer

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