{"product_id":"air-tight-atm-1s-tube-power-amplifier","title":"Air Tight ATM-1S Tube Power Amplifier","description":"Delivering 36 Watts per channel into 8 ohms, the Air Tight ATM-1S utilizes a tube complement of four 6CA7\/EL34, two 12AU7, and one 12AX7 valves. Handcrafted in Japan, this stereo tube power amplifier features point-to-point hand wiring, custom Hashimoto output transformers, and a copper-plated chassis. Equipped with user-accessible bias adjustment facilities and dual RCA inputs (front and rear) with individual volume attenuators, it operates smoothly as a standalone power amplifier or a direct-source integrated amp.\n\nReviewers consistently praise the ATM-1S for its extraordinary tonal purity, lush midrange, and natural resolution. Listeners highlight its sublime detail retrieval and articulate bass performance at low volumes, reproducing acoustic instruments and vocals with organic realism. Critics universally laud its artisan Japanese construction and its ability to make complex musical passages feel cohesive, fluid, and engaging.\n\nChoosing an amplifier of this caliber introduces heirloom-quality Japanese engineering and reference tube musicality to your audio setup. Its point-to-point construction ensures long-term reliability, while its onboard volume attenuators allow for a streamlined system setup. For music lovers seeking pure analog warmth and fine resolution, the ATM-1S offers a deeply rewarding performance that effortlessly anchors any high-end audio system.","brand":"The Music Room","offers":[{"title":"Default Title","offer_id":53202277957913,"sku":"99250","price":5599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/99250-4.jpg?v=1789673493","url":"https:\/\/tmraudio.com\/products\/air-tight-atm-1s-tube-power-amplifier","provider":"The Music Room","version":"1.0","type":"link"}