MADE IN USA 220 VOLT AI Overview Audio Design Associates ADA PTM-6150 6 Channel Power Amplifier Vintage The ADA PTM-6150 is a six-channel power amplifier designed for home theater and multiroom applications. It delivers 150 watts per channel into 8 ohms with less than 0.08% THD and 250 watts per channel into 4 ohms with less than 0.1% THD. The amplifier is known for its high current, discrete design, and high-bias Class A/B operation, making it suitable for complex speaker loads. Key Features and Specifications: Power Output: 150W per channel into 8 ohms (THD < 0.08%), 250W per channel into 4 ohms (THD < 0.1%). Channels: 6 channels. Inputs: 6 matched RCA inputs. Outputs: 6 sets of banana plug outputs. THD (Total Harmonic Distortion): < 0.08% at 8 ohms, < 0.1% at 4 ohms (at 1kHz, 1W). S/N Ratio: -99.05 dBr at 1kHz, A weighted. Input Impedance: 10k ohms. Output Impedance: 2-8 ohms. Triggering: +5-12 Vdc triggering for automation. Cooling: Low noise fan cooling. Construction: Handcrafted in the USA. Form Factor: Available in rack mount or shelf mount chassis. THX Certification: The PTM-6150 is not explicitly mentioned as THX certified in the provided information. However, it is often paired with ADA preamplifiers like the Cinema Reference or Cinema Rhapsody, which are THX certified. Additional Information: The amplifier is designed to be used in conjunction with ADA preamplifiers and multiroom systems like Suite 16 and Suite 8 x 8. Its high-current design allows it to drive demanding speaker loads effectively. For sale is the ADA PTM 6150 High Power Amplifier with THX Certified technology. This powerhouse amplifier is designed to deliver an outstanding audio experience with impressive sound clarity and deep bass response. Perfectly suited for audiophiles and home theater enthusiasts, it provides high output and superior sound quality. This unit is in good condition and has been used normally over its lifetime. It's ready to elevate your audio system to new heights! Hurry up—get it now and experience the power!