{"product_id":"hafler-transnova-9500-power-amp","title":"Hafler TransNova 9500 Power Amp, 1980s Simplicity \u0026 Power - SOLD","description":"\u003cp\u003e\u003cspan\u003eThe Hafler TransNova 9500 power amplifier represents a pivotal moment in American high-fidelity design, combining forward-thinking circuit topology with the no-nonsense, performance-first ethos that defined Hafler during its most influential years. Its utilitarian and restrained industrial styling make little attempt to impress visually, yet that understatement hints at the engineering priorities within: stability, linearity, and long-term reliability. Built during an era when Hafler amplifiers were equally at home in serious audiophile systems and professional installations, the TransNova 9500 was designed to deliver consistent, uncolored power under real-world conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"709\" data-end=\"1482\"\u003e\u003cspan\u003eAt the heart of the 9500 is Hafler’s patented TransNova (Transconductance Node Amplifier) circuit, a design that isolates the voltage gain stage from the current-delivery stage to dramatically reduce distortion, improve thermal stability, and maintain linear behavior regardless of load. This approach allows the amplifier to operate with exceptionally low feedback while preserving tight control over the output devices, resulting in an amplifier that remains composed even when driving difficult speakers. Rated at a robust 150 watts per channel into 8 ohms and capable of significantly higher output into lower impedances, the 9500 delivers current with confidence and headroom to spare, making it well suited for large floor standers and demanding multi-driver designs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1484\" data-end=\"2132\"\u003e\u003cspan\u003eSonically, the TransNova 9500 is often praised for its neutral, transparent presentation and authoritative low-frequency grip. Bass is firm and well defined, midrange textures remain clean and unembellished, and high frequencies are extended without edge or glare. The amplifier’s wide bandwidth and high damping factor contribute to precise imaging and a sense of effortlessness during dynamic passages, whether reproducing complex orchestral material or high-impact rock recordings. The 9500 allows the character of the source and speakers to define the listening experience.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDurability was clearly a design priority, with substantial heat sinking, conservatively rated components, and a reputation for long service life that continues to make these amplifiers desirable decades later. For listeners seeking a powerful, honest-sounding amplifier with real engineering pedigree, the Hafler TransNova 9500 remains a compelling choice—valued as much for its technical innovation as for its enduring musical performance.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDemos are encouraged in Andover, MA\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e$499 (plus applicable shipping and\/r sales tax)\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Holt Hill Audio","offers":[{"title":"Default Title","offer_id":42833072816195,"sku":null,"price":499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2197\/6387\/files\/HaflerTransnova950003.jpg?v=1768156472","url":"https:\/\/holthill.com\/products\/hafler-transnova-9500-power-amp","provider":"Holt Hill Audio","version":"1.0","type":"link"}