Schu Posted April 6, 2017 Share Posted April 6, 2017 I am looking for input on the Dynaco MK III monoblocks... there happens to be a set available near me for $900 obo. I understand that kits are around 675$, but these are supposedly plug and play. Anyone ever built these or heard them? To me the Iron doesnt look that good. Quote Link to comment Share on other sites More sharing options...
Schu Posted April 6, 2017 Author Share Posted April 6, 2017 Thank you... I think I will skip these. I am not really in the market, but they were local. Peace schu Quote Link to comment Share on other sites More sharing options...
hogwylde09 Posted April 6, 2017 Share Posted April 6, 2017 Doesn't sound like too bad of a deal. If the bias is set right, shouldn't be a problem. Plus there are so many upgrades and mods available. These hang in there with McIntosh MC75'S. Hard to believe. But true.Sent from my SM-T530NU using Tapatalk 1 Quote Link to comment Share on other sites More sharing options...
Schu Posted April 6, 2017 Author Share Posted April 6, 2017 I'm not much of a mac guy... Quote Link to comment Share on other sites More sharing options...
richieb Posted April 6, 2017 Share Posted April 6, 2017 Glad you looked the other way. I'd bet a dollar to a donut you would be disappointed in comparison with your DH. Other than they are mono's I'm confident the DH is far superior in sonics. Quote Link to comment Share on other sites More sharing options...
derrickdj1 Posted April 6, 2017 Share Posted April 6, 2017 Schu, you do have a nice amp already and everything in it is brand new. Just consider most moves will be lateral at best considering where you are. Quote Link to comment Share on other sites More sharing options...
Wolfbane Posted April 6, 2017 Share Posted April 6, 2017 19 hours ago, Schu said: I am looking for input on the Dynaco MK III monoblocks... there happens to be a set available near me for $900 obo. I understand that kits are around 675$, but these are supposedly plug and play. Anyone ever built these or heard them? To me the Iron doesnt look that good. I've heard the modern kit build of this amp. It was built by a local tube audio tech. Good but not great sounding to my ears with his Cornwalls in his listening room. He was not happy with the sound either. I don't know if he kept them and modified them or sold them off. Quote Link to comment Share on other sites More sharing options...
Schu Posted April 7, 2017 Author Share Posted April 7, 2017 Thanks folks... Quote Link to comment Share on other sites More sharing options...
NOSValves Posted April 10, 2017 Share Posted April 10, 2017 Those look to be original 1960-70's Dynaco Mark III's to me. They do look to be near original with little work done to them, the only thing I can see that has been replaced up top is the one single yellow colored cap on the circuit board per amp. The two black colored caps on each circuit board are original vintage caps that should absolutely be replaced. Pairs of original iron Mark III do not come up often these days and $900 is a good deal on the pair even if they do need refurbishment. I would want to confirm the output transformer have "cloth leads" which would means "made in the USA' the later plastic insulated lead transformers were made in China. But do realize this pair sooner or later will require work. A picture with the bottom cover off would really help. 3 Quote Link to comment Share on other sites More sharing options...
Marvel Posted April 10, 2017 Share Posted April 10, 2017 I think Craig is correct and these are original. I would like to know when theplastic leads started showing up on these. My ST-70 trannies have plastic insulated leads, but I got it from someone who built it from a kit between '70-'73. Bruce Quote Link to comment Share on other sites More sharing options...
NOSValves Posted April 11, 2017 Share Posted April 11, 2017 I made one mistake in my post the plastic/vinyl lead transformers were made in Japan not China. But still are not as valuable as the good old USA wound transformers. Quote Link to comment Share on other sites More sharing options...
Schu Posted April 11, 2017 Author Share Posted April 11, 2017 Quote Link to comment Share on other sites More sharing options...
NOSValves Posted April 11, 2017 Share Posted April 11, 2017 Schu not sure you realize it but those modern Dynakit Mark III are $675 each. Quote Link to comment Share on other sites More sharing options...
Schu Posted April 11, 2017 Author Share Posted April 11, 2017 eh... I think I will pass. there are a lot of good amp's around. Did you ever design something around the 300B? Quote Link to comment Share on other sites More sharing options...
anarchist Posted April 11, 2017 Share Posted April 11, 2017 Not that I need them (given I have a restored/upgraded pair) but if I had the cash sitting around, I would jump on these myself. A few bucks and these would be killer given the NOS Treatment or OTS mods readily available. I love my Eico but nothing quite like a JM or NBS powering a set of Mark III's upgraded, or redesigned (VRD's). I remember a time when all anyone wanted (or needed) was a NBS and VRD's. Quote Link to comment Share on other sites More sharing options...
Schu Posted April 11, 2017 Author Share Posted April 11, 2017 I want monos... but that will come later Quote Link to comment Share on other sites More sharing options...
jimjimbo Posted April 11, 2017 Share Posted April 11, 2017 22 minutes ago, Schu said: I want monos... but that will come later http://www.vintagevacuumaudio.com/product-category/amps-for-sale/ Quote Link to comment Share on other sites More sharing options...
NOSValves Posted April 12, 2017 Share Posted April 12, 2017 21 hours ago, Schu said: eh... I think I will pass. there are a lot of good amp's around. Did you ever design something around the 300B? Nope I've never been a fan of single ended amplifiers... 1 Quote Link to comment Share on other sites More sharing options...
hogwylde09 Posted April 13, 2017 Share Posted April 13, 2017 I'm not much of a mac guy...Only the tube Mac's Sent from my SM-N900V using Tapatalk Quote Link to comment Share on other sites More sharing options...
richieb Posted April 13, 2017 Share Posted April 13, 2017 On April 12, 2017 at 8:18 AM, NOSValves said: Nope I've never been a fan of single ended amplifiers... - Now That surprises me --??! Quote Link to comment Share on other sites More sharing options...
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