Air TightATM 300B AnniversaryusedAir Tight ATM 300B Anniversary Pristine!Pristine Air Tight ATM-300L Anniversary. Just back from AT Japan with a clean bill of health. No cosmetic or functional issues. Gorgeous SET sound and premium build quality. Please view my feedbac...11650.00

Air Tight ATM 300B Anniversary Pristine!

Listing ID: lis8ied3 Classified 
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epiphanic_audio 

member since December 2009

johnandleanne  Verified Dealer

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Ships fromVirginia Beach, VA, 23451
Ships toUnited States
Package dimensionsunspecified
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Shipping costSpecified after purchase
Original accessoriesBox, Manual
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Pristine Air Tight ATM-300L  Anniversary. Just back from AT Japan with a clean bill of health. No cosmetic or functional issues. Gorgeous SET sound and premium build quality. Please view my feedback and buy with confidence. Buyer pays any Paypal fees and shipping. International buyers welcomed with payment via ACH/Bank wire. 

From the AT web site:
ATM-300 30th Anniversary Version


In order to upgrade so-called “nostalgic” vacuum tube sound to that of contemporary nature, on the very occasion of the 30th anniversary, we A & M made an outrageous challenge to introduce an epoch-making power amplifier utilizing the second-to-none TA300B triode in combination with our accumulated, time-tested valve configuration technologies.
In the course of developing the original ATM-300 power amplifier, we were lucky enough to be favored with and epoch-making resurrection of the legendary WE300B achieved by our Japanese co-entrepreneurs Takatsuki Electric in the name of the TA300B, which spurred our ambition to renew our famed ATM-300 amp. 
Ever since we designed our original ATM-300 about 15 years ago, we were aware of the big advantage of dual dumping positions,Negative Feedback (NFb) and Non NFb configurations. 
At the deep feedback position tight and solid sound is expected while you’ll feel something refreshing and tasteful at the Non-NFb mode. Greedy as it may be, we tried to make both of the merits compatible at the same time. Even today many audiophiles keep admiring the old Western Electric 91B amps even though its specifications are inferior to those of what are available in the current marketplace,.


This time we dared to adopt an uncommon Feedback system contrary to the general tendency in the industry in favor of Non-NFb application, specifically, given to the primary wiring side of the power transformer instead of to the normal secondary side that boasts of physical advantages in terms of residue noise and distortion factor. On top of the traditional, time-tested circuitry, luxury componentsare lavishly employed even in tiny capacitors and resistors, not to speak of laser-cut sub-chassis made of thick pure copper. Naturally special care is paid to non-resonant structure composed of heavy, robust chassis, and indeed, none of the screw heads is made visible at a glance on the surface, which offers perfect integrated feelings of ultimate refined, beauty and ultra high-precision sonic instruments. 


All are just for the peerless, sublime sonic quality, and enjoy your precious time with the Air Tight 300B amp of the 30th Anniversary Version to your heart’s contents. 
Power Output 9 W+ 9W (THD 5 %)  Valves employed 300B × 2, 5U4GB ×1, 12BH7A × 2, 12AU7A(ECC82) × 2 THDbelow 1 % (1 kHz/ 1 W/ 8 Ω) Input Sensitivity  290mV ( 9 W/8 Ω)  Dumping Factor  7 ( 1 kHz/ 1 W/ 8 Ω) Frequency Response 25Hz~40kHz (-1 dB/1 W) Dimensions 430(W)×275(D)×245(H)mm  Weight 24kg

Please feel free to ask any questions and thanks for your interest!

Questions for the seller
I understand that the output taps can be changed (with soldering) to 4, 8, or 16 ohms. Is this correct? Thanks, Michael
My dealer says correct.

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