{"product_id":"transaudio-d9pro-150w-8ω-300w-4ω-power-amplifier-power-amp-silver-based-on-circuit-for-dartzeel-1","title":"Transaudio D9PRO 150W\/8Ω 300W\/4Ω Power Amplifier Power Amp (Silver) Based on Circuit for DarTZeel","description":"\u003cp\u003e\u003cb\u003eTransaudio D9PRO 150W\/8Ω 300W\/4Ω Power Amplifier Power Amp (Silver) Based on Circuit for DarTZeel\u003cbr\u003e\u003cbr\u003eCircuit Features:\u003c\/b\u003e\u003cbr\u003e* Without global negative feedback, its amplifier circuit is based on the design for DarTZeel\u003cbr\u003e* Warm, soft, comfortable, and pleasing to the ear\u003cbr\u003e* With high damping factor, it allows effortless control over any speaker\u003cbr\u003e* Dual-mono design with separate power supplies for left and right channels, achieving extremely high channel separation\u003cbr\u003e* Features soft-start functionality and comprehensive speaker protection circuitry\u003cbr\u003e\u003cbr\u003e\u003cb\u003eMaterials Used:\u003c\/b\u003e\u003cbr\u003e* 10 pairs per group (5 pairs per channel), precisely matched 1% for ON MJL3281\/1302, offering high output current capacity\u003cbr\u003e* Taiwan single-crystal copper wire for both small signal and high-current wiring\u003cbr\u003e* High-end pure copper RCA terminals and binding posts\u003cbr\u003e* 800W high-end transformer for Nippon Steel\u003cbr\u003e* Original audiophile-grade resistors for KOA\u003cbr\u003e* 12 audiophile-grade BC large electrolytic capacitors\u003cbr\u003e* CNC precision-machined full aluminum enclosure for high-quality and durable construction\u003cbr\u003e\u003cbr\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003cbr\u003e* Input Sensitivity: 1.66 Vrms\u003cbr\u003e* Input Impedance: 22 kΩ\u003cbr\u003e* Damping Factor: 800\u003cbr\u003e* Output Power: 150W at 8Ω and 300W at 4Ω (RMS power, stable full power output for extended periods)\u003cbr\u003e* Static Power Consumption: 120W\u003cbr\u003e* Power Supply Voltage: AC110V or AC220V\u003cbr\u003e* Unit Weight: 19 kg\u003cbr\u003e* Unit Dimensions: 450 mm x 380 mm x 150 mm\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAP Test Parameters (Tested with 8Ω 800W load):\u003c\/b\u003e\u003cbr\u003e* Output RMS Value: 35.71Vrms\u003cbr\u003e* Channel Gain: 26.6dB (21.3 times)\u003cbr\u003e* Signal-to-Noise Ratio (SNR): 124.6dB\u003cbr\u003e* Dynamic Range: 124.7dB\u003cbr\u003e* Total Harmonic Distortion (THD): 0.0020%\u003cbr\u003e* THD+N (Total Harmonic Distortion + Noise): 0.0097%\u003cbr\u003e* Frequency Response Bandwidth: ±0.046dB\u003cbr\u003e\u003cbr\u003e\u003cb\u003ePackage Included:\u003c\/b\u003e\u003cbr\u003e* 1 x Power Amplifier\u003cbr\u003e    \u003cbr\u003e\u003cb\u003ePackaging Details:\u003c\/b\u003e\u003cbr\u003e* Packaging Dimensions: 550 mm x 480 mm x 250 mm\u003cbr\u003e* Weight with Packaging: 21 kg\u003cbr\u003e\u003c\/p\u003e","brand":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products, Audio Amplifer and Decoders","offers":[{"title":"Default Title","offer_id":41028197154865,"sku":"94645","price":1258.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0578\/4790\/6353\/files\/1741332626-2.jpg?v=1780293753","url":"https:\/\/www.thanksbuyer.com\/products\/transaudio-d9pro-150w-8%cf%89-300w-4%cf%89-power-amplifier-power-amp-silver-based-on-circuit-for-dartzeel-1","provider":"Thanksbuyer Online,SDR Radio, Testers and Measurement devices, Astronomy products,  Audio Amplifer and Decoders","version":"1.0","type":"link"}