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Old 23rd December 2010, 03:59 PM   #141
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Originally Posted by scitizen17 View Post
Kyle, I applaud you for your resourcefulness. You are a true DIY'er. Hopefully some of your apparent knowledge will find it's way to others of your generation. Great job sir!
Thank you! I have a few friends at college who appreciate guitar tube amps, but I haven't met anyone else who thinks tube hi-fi is worth it. I'm sure a few people my age are out there, just maybe not around here.

Kyle
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Old 23rd December 2010, 04:21 PM   #142
yoaudio is offline yoaudio  United States
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The $180.00 shipping charge from Hong Kong for a China-Mart amp could be used for better iron and tubes.
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Old 23rd December 2010, 05:51 PM   #143
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Originally Posted by Rockmore View Post
Whoa... Nine hundred bucks........ think I'll go Chinese assembled (like Yaqin) and mod. or go with one of their kits, and save $300-400....
You will get, pretty much, exactly what you paid for, a cheap piece of electronic gear, made from parts of dubious quality by hands of wildly varying skills. Sure, you might get lucky and feel like your gamble paid off, because your amplifier actually works, for more than 3 weeks, and especially if you can convince yourself that what you're hearing is as good as what the kit offers. But unless you can do that, you aren't really comparing apples to apples, so your suggestion that the kit price is out of line is suspect, at best.
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Old 23rd December 2010, 07:02 PM   #144
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Originally Posted by c2cthomas View Post
Hi Scott - a great project and wonderful job by you for putting this all together. Too few people have jumped through the hoops necssary to put together a group buy, and to do that as well as design your version of the amp and put together a "how-to" CD is simply HUGE. You have my congratulations and a heat felt "well done"!!!

Short OT question about your avitar - is that the AN/FPS-35 over at Montauk Point State Park? I'm just an old radar tech that worked onna bunch of that stuff back in the day. The rumors about Montauk are interesting - but that's all I'm gonna say about it.
Thanks very much for the comment Thomas. It means a lot to me that I have support from you and all the other diyAudio folks out there. Yes, I took a trip out to Camp Hero over the summer and snapped that photo of the AN/FPS-35. Of course I colorized and textured it a bit to make it look more "omninous".

Happy Holidays,

Scott
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Old 23rd December 2010, 07:12 PM   #145
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Originally Posted by Extreme_Boky View Post
I think there is potential for this complete kit at $850. That is, if it is going to look like one in post #82 (blue coloured transformer are not really required – just high quality transformers / choke will do nicely here….). Hopefully, the price for full kit includes better transformers (not Edcors)… If the answer to the above 2 questions is YES, then I wouldn’t mind to get the full kit and see what it can deliver in its original configuration / with original parts’ quality… The cost with shipping ($100?... or more?) and assembly ($100-$300... or more, depending on how much you value your skill-set AND your time) could probably reach levels where some will start comparing the total cost to those Chinese class A valve AND solid state amplifiers that can be obtained directly from Chinese manufecturer (I know what most of you guys think about products from China…., but some are quite good, well engineered, same parts quality like the kit we are taking about in this thread, and they sound AND look (!) pretty good indeed in their original form…) I suppose I wouldn’t go above $850 for the full kit…. At least until it proves to be good sounding and good looking kit that sells well.

Apart from all I mentioned above, kudos to Scott for putting the whole kit together! This is entirely different subject from my marketing reasoning… so congratulations for dedication and attention to detail.

Boky
Thanks Boky! I have installed the custom output transformers and power choke on the amp. There was a "slight issue" with the first version of the power transformer I received but that has since been rectified. When I receive the final version of the power transformer, hopefully next week, I'll scope the frequency response of the amp and post the results. I can tell you though that it will meet the 20-20,000Hz flat response characteristic. I just need to see how far beyond that it will be, not that it matters that much.

Scott
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Old 24th December 2010, 09:24 PM   #146
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Originally Posted by scitizen17 View Post
Thanks Boky! I have installed the custom output transformers and power choke on the amp. There was a "slight issue" with the first version of the power transformer I received but that has since been rectified. When I receive the final version of the power transformer, hopefully next week, I'll scope the frequency response of the amp and post the results. I can tell you though that it will meet the 20-20,000Hz flat response characteristic. I just need to see how far beyond that it will be, not that it matters that much.

Scott
No problem,

I think my comparison with ready-made products is somewhat not applicable really... this kit should bring pleasure and joy to DIY-ers and for this simple reason I think it's a good kit realistically priced…. I suppose I forgot what DIY was all about.

Boky
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Old 24th December 2010, 09:36 PM   #147
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When can I order the complete kit?
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Old 24th December 2010, 11:04 PM   #148
jono1 is offline jono1  United States
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I've got a 12"x17"x2" chassis that might fit the bill. I can also have custom cut-outs for the top panel . . .

$129 is too pricey for some folks, but it's built tough enough to stand on, with welded corners. Fuse holder and IEC jack & all hardware is part of the deal.

Deluxe New Tube Amplifier / Preamplifier Chassis - eBay (item 170406011323 end time Jan-05-11 20:31:01 PST)
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Old 25th December 2010, 06:03 AM   #149
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Originally Posted by jono1 View Post
I've got a 12"x17"x2" chassis that might fit the bill. I can also have custom cut-outs for the top panel . . .

$129 is too pricey for some folks, but it's built tough enough to stand on, with welded corners. Fuse holder and IEC jack & all hardware is part of the deal.

Deluxe New Tube Amplifier / Preamplifier Chassis - eBay (item 170406011323 end time Jan-05-11 20:31:01 PST)
That's a nice looking chassis; I'll have to keep it in mind for future projects!
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Old 26th December 2010, 06:55 PM   #150
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Hi,

I'm here at work at JFK, blizzard today, probably stuck here till tomorrow afternoon. I thought I would share a bit more of the SE manual with you all so you can see the direction I am taking in writing.

I had to greatly reduce the resolution of the photos to be able to attach it. The photos in the printed manual will be clear.

I will have 10 Basic parts kits available for sale as soon as I finish this manual, about a week or so. After that I'm just waiting to receive the chassis and transformers, 3 - 4 weeks, maybe sooner. When I receive those I will have 25 complete Master kits available for sale.

Thanks,

Scott
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