The Ortofon PPA 600 is a powerful professional power amplifier designed for reliability and durability in demanding environments. Constructed on a robust steel chassis, it weighs nearly 50 pounds, which speaks to its solid build quality. This amplifier is capable of delivering high power outputs, achieving 225 watts per channel into 8 ohms, 350 watts per channel into 4 ohms, and up to 600 watts at 2 ohms for one channel. In bridged mono mode, it provides 650 watts into 8 ohms and 950 watts into 4 ohms. The front panel is designed for rack mounting, featuring separate level controls for each channel that operate in a mix of steps, allowing for precise adjustments. The amplifier is equipped with a large toroidal power transformer and a highly efficient cooling system that includes a thermostatically controlled fan. The internal layout indicates that each channel operates as an independent mono amplifier, ensuring stable and reliable performance. The PPA600 supports variable input levels and features various protection mechanisms, including LED indicators for power status and overload conditions. Its frequency response spans 10 to 60,000 Hz with minimal distortion. Overall, the PPA600 is positioned as a versatile amp suitable for both professional and high-end home audio use, combining muscle with aesthetic appeal.
