{"product_id":"transaudio-d9pro-150w-8ω-300w-4ω-power-amplifier-based-on-circuit-open-box-🔥🎶","title":"Transaudio D9PRO 150W\/8Ω 300W\/4Ω Power Amplifier Based on Circuit Open Box 🔥🎶","description":"\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eUp for sale is the Transaudio D9PRO Stereo Power Amplifier, an incredible high-fidelity component designed for serious audiophiles.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003ePLEASE NOTE (Replica Disclaimer): This unit is a meticulously engineered, premium replica\/clone based directly on the world-renowned DarTZeel NHB-108 circuit architecture. It delivers a massive portion of that ultra-high-end legendary European sound signature—characterized by a warm, soft, liquid midrange and effortless speaker control—at a fraction of the original five-figure retail cost. It is branded and manufactured by Transaudio, utilizing premium audiophile components to achieve an incredibly silent background, massive soundstage, and outstanding dynamic range.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eKey Features \u0026amp; Design Highlights\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* DarTZeel Inspired Topology: Built without global negative feedback, maintaining a completely natural, non-fatiguing musicality that is incredibly pleasant to the ear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Dual-Mono Architecture: Features entirely independent power supplies for both the left and right channels, ensuring ultra-high channel separation and a massive stereo image.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Premium Heavy-Duty Build: Housed in a gorgeous, heavy CNC precision-machined full aluminum enclosure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* High-End Components: Packed with a massive 800W transformer, 12 audiophile-grade BC large electrolytic capacitors, KOA resistors, and 10 pairs of 1% precisely matched ON Semiconductor MJL3281\/1302 transistors (5 pairs per channel) for immense current delivery.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Advanced Protection: Equipped with built-in soft-start functionality and comprehensive speaker protection circuits to safely preserve your gear.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eTechnical Specifications\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Output Power: 150W RMS @ 8Ω per channel | 300W RMS @ 4Ω per channel\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Input Sensitivity: 1.66 Vrms\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Input Impedance: 22 kΩ\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Damping Factor: 800 (allows effortless control over demanding or low-efficiency speakers)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Static Power Consumption: ~120W (runs warm due to high Class-A bias design)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Dimensions: 450 mm x 380 mm x 150 mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Unit Weight: Approx. 19 kg (21 kg shipping weight)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eAudio Precision (AP) Verified Test Parameters\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Signal-to-Noise Ratio (SNR): 124.6dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Dynamic Range: 124.7dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Total Harmonic Distortion (THD): 0.0020%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* THD + Noise (THD+N): 0.0097%\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Channel Gain: 26.6dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* Frequency Response Bandwidth: ±0.046dB\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eWhat’s Included:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* 1 x Transaudio D9PRO Power Amplifier\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* (Power cable not included unless specified)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003e* \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s1\"\u003eCondition Note: The amplifier is in excellent functional and cosmetic condition. Will be securely packed in heavy-duty packaging due to its substantial 21 kg shipping weight.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e\n\u003cp class=\"p2\"\u003e \u003c\/p\u003e","brand":"Supreme Vintages","offers":[{"title":"Default Title","offer_id":67727114928173,"sku":null,"price":1249.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/1552\/4909\/files\/089C84E6-FA35-45E7-B0C1-440921CCC13D.jpg?v=1792981696","url":"https:\/\/supremevintages.com\/products\/transaudio-d9pro-150w-8%cf%89-300w-4%cf%89-power-amplifier-based-on-circuit-open-box-%f0%9f%94%a5%f0%9f%8e%b6","provider":"Supreme Vintages","version":"1.0","type":"link"}