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Author Topic: tony builds a guitar amp  (Read 1557 times)

Offline tony

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tony builds a guitar amp
« on: January 27, 2011, 02:32:47 PM »
inspired by this thread: http://www.wiredstate.com/forum/viewtopic.php?f=11&t=19440&hilit=bamf i decided to make one for my son.....:)

the schematic is based on this circuit: http://ampage.org/schematics/spitfire.gif

having pulled out the 5Z4 rectifier tube from this amp, http://www.wiredstate.com/forum/viewtopic.php?f=11&t=24477&p=404763#p404763, i gave it a new home:






a peek inside the chassis:




the output tubes used was a pair of 12W6GT vertical amplifier tubes used on tv's, they are simmilar to 6V6 except that their screens are only rated for 120 volts, a zener string of 3 x 47volt 5 watt zeners got that covered.
TV tubes are plentiful and very cheap, 2 output tubes cost U$1 a peice at Rogalski's in Florida......

so how was the amp build? my son was esxstatic/delighted:





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tony builds a guitar amp
« on: January 27, 2011, 02:32:47 PM »

Offline Ikasamoko

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Re: tony builds a guitar amp
« Reply #1 on: January 27, 2011, 02:51:18 PM »
Astig talaga ka Tony!!...

sarap pag daming sources ng pyesa....:(

mainit ba talaga tunog ng tube amps??
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Re: tony builds a guitar amp
« Reply #1 on: January 27, 2011, 02:51:18 PM »

Offline labgruppen

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Re: tony builds a guitar amp
« Reply #2 on: January 27, 2011, 03:20:45 PM »
nice! parisan na yan ng celestion drivers sir.  ;D
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Re: tony builds a guitar amp
« Reply #2 on: January 27, 2011, 03:20:45 PM »

Offline tony

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Re: tony builds a guitar amp
« Reply #3 on: January 27, 2011, 04:23:41 PM »
Quote from: labgruppen on January 27, 2011, 03:20:45 PM
nice! parisan na yan ng celestion drivers sir.  ;D


buy pinoy ako.......:) meron akong nkitang 10inches na instrument ampli, pero sa tunog nya, pwede nga ang 12inches na instrument amp...... ;D

ayaw pang mag-oo ni wifey...nililigawan ko pa.... ;)
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Re: tony builds a guitar amp
« Reply #3 on: January 27, 2011, 04:23:41 PM »

Offline tony

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Re: tony builds a guitar amp
« Reply #4 on: January 27, 2011, 04:24:26 PM »
Quote from: Kasamiko on January 27, 2011, 02:51:18 PM
Astig talaga ka Tony!!...

sarap pag daming sources ng pyesa....:(

mainit ba talaga tunog ng tube amps??

habang nasa russia ako, nakaipon ako ng close to 900 tubes..... ;D pero karamihan yung tig U$1 sa internet... ;D

ngayon tila mababangkte ako ng mas matagal, kaya happy DIY'er muna.... ;) ;D
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Re: tony builds a guitar amp
« Reply #4 on: January 27, 2011, 04:24:26 PM »

Offline Mayalin22

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Re: tony builds a guitar amp
« Reply #5 on: January 27, 2011, 04:26:11 PM »
wife is the diykiller... this is the common complain of diyers  ;D ;D ;D
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Offline labgruppen

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Re: tony builds a guitar amp
« Reply #6 on: January 27, 2011, 04:37:49 PM »
Quote from: tony on January 27, 2011, 04:23:41 PM
buy pinoy ako.......:) meron akong nkitang 10inches na instrument ampli, pero sa tunog nya, pwede nga ang 12inches na instrument amp...... ;D

ayaw pang mag-oo ni wifey...nililigawan ko pa.... ;)

12 inch instrument speakers ng dai-ichi then sir.. basta wag yung malaki ang diameter ng VC para maganda ang upper mid..
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Offline tony

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Re: tony builds a guitar amp
« Reply #7 on: January 27, 2011, 04:45:00 PM »
yup, thanks for the tip.....:)
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Offline ultrasonic™

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Re: tony builds a guitar amp
« Reply #8 on: January 27, 2011, 06:37:04 PM »

lupit  mu  tlga  sir tony ;D

nakakainggit  yung mga vaccum  tubes... ang linis  tignan
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Offline ???

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Re: tony builds a guitar amp
« Reply #9 on: January 27, 2011, 07:18:09 PM »
Gawa na rin sis ultra ng VC amp. Sakin tatay ko ang marunong nyan. Kapanahunan nila.

Quote from: c0♂Lәt♥ on January 27, 2011, 04:26:11 PM
wife is the diykiller... this is the common complain of diyers  ;D ;D ;D

Parang ganitong linya? " Ang dami mong kalat, ano ba ang mga iyan at hindi mo iligpit o kaya'y itapon na lang."
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Offline chinokscapsighter

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Re: tony builds a guitar amp
« Reply #10 on: January 27, 2011, 08:22:28 PM »
Sir ikaw bayang nakahawak ng guitar amp...???
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Offline tony

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Re: tony builds a guitar amp
« Reply #11 on: January 28, 2011, 07:34:34 AM »
Quote from: chinokscapsighter on January 27, 2011, 08:22:28 PM
Sir ikaw bayang nakahawak ng guitar amp...???

youngest ko, 4th year computer engineering student sa PUP...
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Offline RaffT

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Re: tony builds a guitar amp
« Reply #12 on: January 28, 2011, 09:35:39 AM »
sir tony,

may stock ka pa kaya ng 12AX7 triodes?
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Offline tony

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Re: tony builds a guitar amp
« Reply #13 on: January 28, 2011, 01:50:07 PM »
Quote from: BrAiNs on January 28, 2011, 09:35:39 AM
sir tony,

may stock ka pa kaya ng 12AX7 triodes?


sorry wala akong stock, nagamit na sa guitar amp ng anak ko...
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Offline ultrasonic™

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Re: tony builds a guitar amp
« Reply #14 on: January 28, 2011, 02:01:21 PM »
Quote from: tony on January 28, 2011, 01:50:07 PM

sorry wala akong stock, nagamit na sa guitar amp ng anak ko...

sir  tony  pano  kong  magluko  yung triodes nyu ?
masira  saan kau  kukuha ? may  available  pa  ba  nyan  sa market ?
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Offline tony

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Re: tony builds a guitar amp
« Reply #15 on: January 28, 2011, 02:06:40 PM »
maraming available na tubes, yung mga 12ax7 tubes, gamit ng maraming guitar players kaya malabong mawala sa market, sa states ako umoorder, pero localy available naman yan, power tubes naman ang kadalasang bumibigay, yung signal tubes matagal ang aabutin......
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Offline maldihtah13

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Re: tony builds a guitar amp
« Reply #16 on: January 28, 2011, 04:08:20 PM »
Sir how about the transformer? sariling rewind din ba yan.
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Offline akosiikem

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Re: tony builds a guitar amp
« Reply #17 on: January 28, 2011, 05:53:37 PM »
Wow!tube amps!ano po bng mga reference and books nyo for ot rewinding?sana may tutorial na.hehe
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Offline tony

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Re: tony builds a guitar amp
« Reply #18 on: January 28, 2011, 07:44:05 PM »
Quote from: maldihtah13 on January 28, 2011, 04:08:20 PM
Sir how about the transformer? sariling rewind din ba yan.

yes, ako lahat ang nagdesign at nagbuo ng transformers....
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Offline tony

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Re: tony builds a guitar amp
« Reply #19 on: January 28, 2011, 07:47:15 PM »
Quote from: akosiikem on January 28, 2011, 05:53:37 PM
Wow!tube amps!ano po bng mga reference and books nyo for ot rewinding?sana may tutorial na.hehe

practice ang kailangan......http://www.tubebooks.org/ maraming mapupulot dito sa site na to....
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Re: tony builds a guitar amp
« Reply #19 on: January 28, 2011, 07:47:15 PM »
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