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Author Topic: tony's 6LU8 push-pull power amp build  (Read 5694 times)

Offline tony

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Re: tony's 6LU8 push-pull power amp build
« Reply #60 on: December 14, 2011, 03:33:14 PM »
^pwede naman, masa mababa ang power at voltage...
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Re: tony's 6LU8 push-pull power amp build
« Reply #60 on: December 14, 2011, 03:33:14 PM »

Offline Tukkar

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Re: tony's 6LU8 push-pull power amp build
« Reply #61 on: December 15, 2011, 11:19:41 AM »
Quote from: tony on December 14, 2011, 03:33:14 PM
^pwede naman, masa mababa ang power at voltage...

Kailangan ko pa bang babaan ng kaunti yung anode supply? kasi 300 lang max ...me iba pa bang kailangan baguhin ang value?
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Re: tony's 6LU8 push-pull power amp build
« Reply #61 on: December 15, 2011, 11:19:41 AM »

Offline tony

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Re: tony's 6LU8 push-pull power amp build
« Reply #62 on: December 15, 2011, 11:57:38 AM »
pwede...
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Re: tony's 6LU8 push-pull power amp build
« Reply #62 on: December 15, 2011, 11:57:38 AM »

Offline Tukkar

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Re: tony's 6LU8 push-pull power amp build
« Reply #63 on: December 15, 2011, 02:57:40 PM »
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Re: tony's 6LU8 push-pull power amp build
« Reply #63 on: December 15, 2011, 02:57:40 PM »

Offline tony

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Re: 6V6 pp amp
« Reply #64 on: June 05, 2012, 08:39:02 PM »
update:

this is a 6V6 pp amp using a 6BH11 tv tube front-end and a 6H1P buffer..









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Re: 6V6 pp amp
« Reply #64 on: June 05, 2012, 08:39:02 PM »

Offline tony

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Re: EL34/6CA7 push-pull power amp build
« Reply #65 on: June 05, 2012, 08:46:54 PM »
this is an EL34/6CA7 pp amp, uses russian 6J9 pentode and 6CG7 ltp drivers in a Mullard 5-20 topology...







zener regulator board:

biasing circuit board:






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Offline efren

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Re: tony's 6LU8 push-pull power amp build
« Reply #66 on: June 05, 2012, 08:54:08 PM »
pa audition :D

yung dalawang tubo sa kaliwa halos nagkakahalikan na yata


wow, hands down, i love those wood plinth  :D

++1 ;)
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Offline yehan

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Re: tony's 6LU8 push-pull power amp build
« Reply #67 on: June 05, 2012, 09:26:20 PM »
My schematic diagram ba kyo nyan bro? Pa send naman,sa e mail add q. Rj_john23@yahoo.com
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Offline efren

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Re: tony's 6LU8 push-pull power amp build
« Reply #68 on: June 05, 2012, 10:03:22 PM »
Quote from: yehan on June 05, 2012, 09:26:20 PM
My schematic diagram ba kyo nyan bro? Pa send naman,sa e mail add q. Rj_john23@yahoo.com
isa lang yan sa libolibong schem na makikita sa net ;D ingat ka, 400 Volts ang supply nyan
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Offline chinokscapsighter

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Re: tony's 6LU8 push-pull power amp build
« Reply #69 on: June 06, 2012, 01:49:10 PM »
nice sana pwede tayo makinig dyan sir... :)
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Offline efren

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Re: tony's 6LU8 push-pull power amp build
« Reply #70 on: June 06, 2012, 09:38:11 PM »
if you're near pasig area, you can audition sir tony's tube amps, it's absolutely free ;)
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Offline Engr. Dacuycoy

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Re: tony's 6LU8 push-pull power amp build
« Reply #71 on: June 06, 2012, 09:47:21 PM »
ot:  ;D ;D ;D

 832 transmitting vacuum tubes    http://www.audiohobbyist.com/projects/832.htm


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Offline mcleod

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Re: tony's 6LU8 push-pull power amp build
« Reply #72 on: June 06, 2012, 10:58:55 PM »
makitambay lang po.
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Offline chinokscapsighter

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Re: tony's 6LU8 push-pull power amp build
« Reply #73 on: June 07, 2012, 09:24:28 AM »
Quote from: efren on June 06, 2012, 09:38:11 PM
if you're near pasig area, you can audition sir tony's tube amps, it's absolutely free ;)

uunga sir sana pwede at malaman kurin ang tunog ng tube.. :)
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Offline jeproks69

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Re: tony's 6LU8 push-pull power amp build
« Reply #74 on: June 08, 2012, 10:23:01 PM »
Quote from: efren on June 06, 2012, 09:38:11 PM
if you're near pasig area, you can audition sir tony's tube amps, it's absolutely free ;)

wow ang sarap makinig ng tube amps. di na ako nakakinig ng sound ng tube amps for the past 30 years. elementary pa ako nun. sana ma meet ko yung mga master ng tubes dito. minsan kasi nasa QC ako. pero kabisado ko na Manila dahil lagi ako dito. Thank You Efren  ;)
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Offline tony

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Re: 6GK6 pp classA
« Reply #75 on: June 23, 2012, 11:04:02 AM »
just completed and now testing:




ml317 CCS biasing each tube to 40mA...



playing music:

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Offline whitenoize18

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Re: tony's 6LU8 push-pull power amp build
« Reply #76 on: June 24, 2012, 07:53:45 PM »
Sir Tony astig yung mga post na lalo na yung EL34 amp, i like the chassis super cool, sana maturuan mo din ako how to repair tube amps, meron kc ako unit d2 sir 4 tubes output of EL34 kaso hinde na gumagana it is locally assembled distorted na po yung output sound, sana po mabigyan mo po ako  ng hints para gumana ulet yung unit ko sir,,thank you and more power sir...
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Offline efren

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Re: tony's 6LU8 push-pull power amp build
« Reply #77 on: June 24, 2012, 10:32:30 PM »
Quote from: tony on June 23, 2012, 11:04:02 AM
just completed and now testing:

Class A PP? this time you want to run them hot sir tony ::)
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Offline tony

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Re: tony's 6LU8 push-pull power amp build
« Reply #78 on: June 25, 2012, 04:50:53 AM »
the 6GK6 is rated for 13 watts plate, 6BQ5 is 12watts...right now the plates are running at about 8watts.....i am changing psu from FWCT to FWB and lose some voltage.....
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Offline tony

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Re: tony's 6LU8 push-pull power amp build
« Reply #79 on: June 25, 2012, 04:51:28 AM »
Quote from: whitenoize18 on June 24, 2012, 07:53:45 PM
Sir Tony astig yung mga post na lalo na yung EL34 amp, i like the chassis super cool, sana maturuan mo din ako how to repair tube amps, meron kc ako unit d2 sir 4 tubes output of EL34 kaso hinde na gumagana it is locally assembled distorted na po yung output sound, sana po mabigyan mo po ako  ng hints para gumana ulet yung unit ko sir,,thank you and more power sir...

post ka ng pictures ng amp mo para makilatis....
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Re: tony's 6LU8 push-pull power amp build
« Reply #79 on: June 25, 2012, 04:51:28 AM »
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