About the OPS-1
The Joule Electra OPS-1 MKIV is a high-end all-tube phono preamplifier designed for both moving magnet (MM) and moving coil (MC) cartridges. It features the proprietary Mu follower circuit topology, which has been a core design element of Joule Electra products, delivering excellent harmonic integrity and sonic detail. The OPS-1 MKIV is noted for its extremely low noise floor, detailed soundstage, and refined musicality. It is constructed with high-quality components, point-to-point wiring, and a robust power supply system. Volume control and remote volume control are optional extras. The design philosophy emphasizes evolutionary refinements rather than radical redesigns, ensuring consistent performance improvements over time. The unit weighs approximately 10 lbs, with a separate power supply weighing about 15 lbs. The OPS-1 MKIV is
Specifications
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