HIFI-FORUM » English » DIY (Engl.) » Old Arphi 60x2 watts amp | |
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Old Arphi 60x2 watts amp+A -A |
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Autor |
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Manek
Inventar |
15:43
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#1
erstellt: 05. Apr 2009, |
Hi guys Just opened up this old arphi 60x2 watts amp I used to use upto about 10 yrs ago, out of sheer curiosity. It was a real sweet sounding transistor amp. No edgyness at all. It is black with the same chasis as the pulz stereo amps. Some things never change :-) To my surprise I saw a torroid transformer. Neatly laid out components (don't know if its a pcb or a hardwired board, there is a 2-3mm layer of dust on it so can't make out). Apart from the uptron caps I saw ones made by websen(isn't this the company that makes electro's under license from rubycon?). Very ordinary carbon pots. I am sure nothing works now since its all under a ton of dust. Now guys, this amp has amazing memories associated with it so I want to know if can be resurrected or should I strip out the parts and keep the torroid and chasis for later ? And Aks, since you know a whole lot about old indian amps...your pearls of wisdom ? Manek |
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Soundsgreat
Ist häufiger hier |
09:53
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#2
erstellt: 06. Apr 2009, |
Hi, Hmm good to know you have kept them for all these years ![]()
Manek I've not seen a SS Amp or pre hardwired !! its in all probability a PCB ! The Caps that you mention was infact the rubycon Avataars (Webson or Webelson were the license holders )
I know the feeling ![]() If not for anything else you can perhaps use it for some bedroom or a small study room purposes ! Again if you are the adventurous Kind,Then get the Caps replaced with some good make (as anyhow they would've lost the charge ), you can try Panasonic FC series for a budget yet super sound ones, or the Nichicon Muse ! If you really don't mind the cost then the Blackgates and the Elna for Audio is the one's !! Alternatively you can choose to replace the Pots with some Alps ones ! Money no bar ? the Alps Black Beauty or Velvet is the best choice ! Rest should be good enough ! but still another mod is to change all the resistors to the Vishay/Dale or Halco one's ! Vishay is bit cheaper but sonically good (I think you know bout these things ) ! Anyways I given my feedback on this ! Hope it makes some sense ![]() Let me know your thoughts on the same ! Regards. |
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bombaywalla
Stammgast |
15:07
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#3
erstellt: 06. Apr 2009, |
Manek, you just might be assuming too much! ![]() Use a clean paint brush to dislodge the dust & a canister type vacuum cleaner (which usually have a long pipe to the vacuum cleaning attachment) to suck out the dust. Use some Caig ProGold on the pots & get them making better (good?) electrical contact. Check the fuse. Check the chassis ground connection. Power the amp up & see whether it plays or not - it might & then, it might not. Once you ascertain for sure what the present status of the amp is, make an appropriate restoration plan. Since the amp has such fond memories, I would say that this alone is reason enough to resurrect the amp. ![]() |
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Manek
Inventar |
06:01
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#4
erstellt: 07. Apr 2009, |
Soundsgreat I am not heavily into diy but don't mind getting my hands dirty :-) I just shouldnt mess it up further....:-) any accidental fireworks would tick off the missus and probably put an end to my project ! Got to obey the ground rules ! Btw the caps are "websen". They are still available cause I saw then at a shop recently. No website though :-( anyone used them ? If so how would you rate them ? Bombaywalla, it needs a lot of work from the looks of it. I will clean it up thoroughly first and then decide on the action plan. Will use the lightbulb method to try and slowly bring it back to life. Manek |
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Soundsgreat
Ist häufiger hier |
07:21
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#5
erstellt: 07. Apr 2009, |
Hi, Glad to hear that Manek ![]() Moreover you are a guy with lot experience with using them and I think you know far too well to do some silly mistakes ![]() ![]() Bout the Caps, Manek as far as my knowledge goes they should be some old stock ! coz they stopped them some years ago and I haven't seen them since ! I have used them in some of my earlier projects,Nothing to write home bout ! just your average quality one's ! Yes please clean it thoroughly and see the result ! the Bulb trick is very very novel ! Try it out and let Us know the result so that we can suggest your next move ! Also if possible please do post some pics of it so that we can see the actual condition and things ! Regards. |
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Manek
Inventar |
03:39
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#6
erstellt: 08. Apr 2009, |
Pics ! Good idea ! Before or after the cleaning ? He he, I am just messing with you.... I put them up. Manek |
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