{"product_id":"jeff-rowland-design-model-555-power-amplifier","title":"Jeff Rowland Design Model 555 Power Amplifier","description":"The Jeff Rowland Model 555 power amplifier delivers 150 watts per channel into 8 ohms (300 watts into 4 ohms) in a solid-state Class AB topology. Functioning as a high-performance anchor for premium audio setups, this component bridges into mono mode to output 330 watts into 8 ohms. It features a chassis precision-milled from a solid block of aircraft-grade aluminum for optimal thermal dissipation and resonance control. The circuit incorporates Lundahl amorphous core input transformers alongside an advanced switch-mode power supply with Active Power Factor Correction. Balanced XLR and single-ended RCA inputs route through transimpedance architecture with silver-Teflon signal wiring.\n\nCritical consensus praises the Model 555 for its velvety black background, exceptional transparency, and effortless control over demanding musical passages. Audiophiles highlight its ability to render a holographic soundstage filled with rich harmonic texture and zero listener fatigue. Often hailed by reviewers as a forever amplifier, critics note that its high current delivery drives difficult speaker loads while unearthing subtle micro-details.\n\nInvesting in this amplifier brings refined authority and artisan craftsmanship to the center of your daily listening environment. Its synthesis of physical elegance and electrical purity reveals hidden spatial dimensions within your favorite recordings. It represents an essential upgrade for enthusiasts seeking uncompromising dynamic realism and pure musical intimacy.","brand":"Jeff Rowland Design","offers":[{"title":"Default Title","offer_id":67576380424473,"sku":"100479","price":9999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/4225\/1545\/files\/100479-3.jpg?v=1790370808","url":"https:\/\/tmraudio.com\/products\/jeff-rowland-design-model-555-power-amplifier","provider":"The Music Room","version":"1.0","type":"link"}