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Otomon Labs Custom 300B SET Amp (Read 4000 times)

tempest62

Ex Member

Otomon Labs Custom 300B SET Amp
10/25/22 at 16:59:12

Snatched this baby up last night, after 2 days posted:

https://www.canuckaudiomart.com/details/649911048-otomon-labs-custom-built-300b-...

Purchased just the amp. No tubes. Paid about 1/3 of original build cost in mid-2020 (whaaaaat?) I expect this beauty to be a very special amp. My first and hopefully last ever 300B. It was designed straight from the schematic of the Luxman MQ-300.

Will likely load up on Cryotone tubes, sans the 300B's....going to first try the blue light specials that Steve really liked, Guiguang brand (about $150 for a pair):

This will replace the Line Magnetic 34ia in the second system. Might very well also sell the Nola Boxer II's in favor of Steve's T6's.

Also, will rotate this one with the Torii Mk5-25th in main system from time to time for happy shits and giggles.

I looked up those ISO-Tango transformers....freaking expensive!!

Brad

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jec3504 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #1 - 10/25/22 at 17:12:29 Good score Brad. Looks like a great amp!
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tempest62 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #2 - 10/25/22 at 17:21:21 Thanks Joseph. I have to agree! Almost excited as much about this as I've been waiting for 1.5 yrs for the venerable Torii MK 5 which is turning out to be the absolute best audio purchase I ever made by a landslide in armageddon.....right along with the upgraded HR-1's.
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tempest62 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #3 - 10/25/22 at 17:30:28 http://soundgate.net/product/ODg2.highend
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Tommy Freefall Seasoned Member Posts: 400	Re: Otomon Labs Custom 300B SET Amp Reply #4 - 10/25/22 at 18:43:45 Congrats, Brad! Looks like a very nice piece of kit. Should be lots of fun!
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tempest62 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #5 - 10/25/22 at 22:25:04 Thanks Tommy I was just lucky, right place at the right time or it would have been already gone.
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Joey Senior Member Posts: 86	Re: Otomon Labs Custom 300B SET Amp Reply #6 - 10/25/22 at 22:30:04 Very nice! Do let us know how you like it. Looks like a killer amp!
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Kamran Seasoned Member Posts: 939	Re: Otomon Labs Custom 300B SET Amp Reply #7 - 10/26/22 at 01:48:23 Nice score!
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Earthbound Seasoned Member Posts: 210	Re: Otomon Labs Custom 300B SET Amp Reply #8 - 10/26/22 at 01:55:11 Good luck with the new amp. Can’t wait to hear your impressions. 👍
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Mannytheseacow Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #9 - 10/26/22 at 04:14:15 Sweet score, Brad! Those wooden horns pictured in the ad are insane, too.
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fridays Verified Member Posts: 8	Re: Otomon Labs Custom 300B SET Amp Reply #10 - 10/26/22 at 22:34:42 Nice looking smooth, where are you getting the Guiguang tubes
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tempest62 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #11 - 10/27/22 at 01:31:50 Thank you gentlemen all! The designer / company owner in Japan, Ken Uesugi, reminds me a lot of Steve. I will be in contact with him momentarily. fridays: the tubes can be found on eBay. Brad
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fridays Verified Member Posts: 8	Re: Otomon Labs Custom 300B SET Amp Reply #12 - 10/27/22 at 03:18:06 Thanks Brad
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tempest62 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #13 - 10/27/22 at 16:50:48 No sweat, fridays 🍺💥🍺
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Kahuna Jack Seasoned Member Posts: 132	Re: Otomon Labs Custom 300B SET Amp Reply #14 - 10/27/22 at 21:55:39 that amp just looks like it sounds good . love the turret board construction , makes experimenting easy if one was so inclined .
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tempest62 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #15 - 10/28/22 at 19:11:03 Kahuna, True....the layout is very clean and well organized, which is ripe for further upgrades. Brad
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tempest62 Ex Member	Re: Otomon Labs Custom 300B SET Amp Reply #16 - 11/07/22 at 04:37:48 Received the new toy in pristine condition, as advertised. Damned serious amp. Outfitted it with 4 Ken-Rad 6NS7 and 2 GE GZ34’s….waiting on the pair of GuiBANG! 300B which will be another week or two. Looking into possibly ordering a pair of ShuBANG! Black Treasure or PISSvane Cossor blue glass 300B’s. Brad
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Geno Seasoned Member Without music, life would be a mistake. Posts: 2000	Re: Otomon Labs Custom 300B SET Amp Reply #17 - 11/07/22 at 12:34:15 Awesome Brad! Once you get it in the lineup, and tubed to your liking, let us know how it sounds - I’m sure fantastic! Beautiful amp you lucky dog Best, Geno
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tempest62

Ex Member

Re: Otomon Labs Custom 300B SET Amp
Reply #18 - 11/07/22 at 17:01:05

Hey Geno, thank you very much! I lucked out for sure. Paid just $2.3k on a 2 yr. old hand crafted $6k+ amp 🥳

This is pretty exciting. It will mate with a pair of bookshelf Nola Boxer II’s and a Cambridge CXNv2 in the second system in the living room. Maybe even toggle into the main system from time to time. Life is good!

I’ll be sure to take some photos when in 300B tubes arrive.

Brad

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