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Old 31st July 2007, 17:02   #196
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I am not sure, how to edit the old link. But below link works in my both computers.
41Hz Audio Forum

Regards
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Old 1st August 2007, 10:45   #197
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Enh!? Sure, the link works, and the photos are visible.

Superb work, Mishra-ji! The amp looks neat and well finished.

* Where did you get the front baffle for the speaker boxes? Seems to have 2 ports! What are the drivers that you have put in?
* Or, did you buy these boxes readymade?
* Where did you get the input select switch from?
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Old 3rd August 2007, 11:16   #198
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Originally Posted by DerAlte View Post
Superb work, Mishra-ji! The amp looks neat and well finished.
Thanks DerAlte, That I wanted perfect 99% silent without input with full volume. Now it cleaned more.

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Originally Posted by DerAlte View Post
* Where did you get the front baffle for the speaker boxes? Seems to have 2 ports! What are the drivers that you have put in?
* Or, did you buy these boxes readymade?
Yes These baffles I bought at SP road, Bangalore (now I dont remeber the shop name but if you enter from OM Ele. then it was right side inside lane opp. to chopda ele ) Rs 250/each.
I calulated the port volume /area and resonance frequecy was decided 60Hz. (I wanted to avoid any 50Hz hum and below that I cant hear). Box volume calculated and odd dimensions were given to that guy to make boxes.(8.5"WX13.5"HX11"D) to avoid internal reflection and waves cancelling/resonating. MDF ply thick ness is 1". costed 350Rs for pair.

Regarding dual port it does not matter number of ports (total volume V=V1+V2)

Inside surface is coated with dual foam tape as Damping material. Over that I pasted all side using buble sheet (packing material) , exposing bubbles to internal air, so damping is good and cleaner/hygenic than fibre glass wool.

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Originally Posted by DerAlte View Post
* Where did you get the input select switch from?
This switch is available anywhere on SP road. I bought in Marudhar Ele. Ulsoor, end of CMH road. There are two qualities, I selected the one with chrome plated connectors and phenolic PCB (can be seen from connector side) Rs 80.

Drivers I am using normal Bolten one (200Watts), but planning to replace soon with Luxco which I have in my hometown. It has 2" diameter voice coil. and 2.5kg Magnet for 8" driver.

Cheers,
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Old 5th August 2007, 00:05   #199
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The amp looks neat. Good idea to build the power switch knob from a latch.
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Old 5th August 2007, 01:34   #200
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Hi clip, you can check at this site -: MIRACLE :- and look for the required transformer. Its located in Bangalore. I bought 2 X (22-0-22, 160 VA), toroids from them. It cost Rs 1100 + courier charges. Quality is also good and voltage is very accurate. Your requirement can be matched somewhere in there product list. Good luck!
For toroidal transfomers also try this company -> Radio Electric Pvt. Ltd. located in Mumbai. The current company I'm consulting for imports their transformers to the U.S. - we use them in 400/500W power supplies.
Another website for the same -> SeekandSource.com - Radio Electric Pvt. Ltd..
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Old 12th August 2007, 15:23   #201
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Will this company ship one transformer to me in Bangalore?
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Old 15th August 2007, 18:18   #202
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hi guys,

finally, i bought an lcr meter. got it for 2k. the brand is lutron. dont know if it is a known brand though.

now i need a true rms meter and an osci. the target is to buy it next month.

and im going to delhi on the 24th. can anyone suggest a good electronics store? it would be of great help guys.

i more thing. im trying to diy an LC meter. i got most of the components but the problem iam facing is that precision caps(1% or less tolerance. lesser the better) are not available here and i dont know what type of caps are the precision caps. can anyone help me out with these caps?

please post a pic of a low tolerance cap if anyone can.

cheer
clip
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Old 15th August 2007, 21:40   #203
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Rishab, I have tried looking around A LOT.
Couldnt find much of the stuff. Only low grade chinese, If at all.

My friend tells me there is one last store left.
Will see that too before my final answer.
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Old 15th August 2007, 22:44   #204
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Quote:
Originally Posted by Vivekphadnis View Post
Will this company ship one transformer to me in Bangalore?
I'm not sure but if it's among their product-lines, I don't see why not - no harm in trying.
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Old 17th August 2007, 16:25   #205
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Originally Posted by ScarySkulls View Post
Rishab, I have tried looking around A LOT.
Couldnt find much of the stuff. Only low grade chinese, If at all.

My friend tells me there is one last store left.
Will see that too before my final answer.
hi,

thanks for looking around ss. i really appreciate your help.

this is the problem. no one keeps good electronic stuff. this is the only reason why i dont like india (assuming this is the case everywhere). india is not a DIY friendly place.

maybe delhi has the stuff im looking for. ill be going there on the 24th but i still dont know any place and store.

cheers
clip
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