The EAR 890 is a high-quality tube power amplifier designed by Tim de Paravicini. It delivers 70 watts per channel in stereo mode and can be bridged to 140 watts in monoblock configuration. The amplifier uses a conventional design with four KT90 tubes per channel in a parallel push-pull configuration, operating in pure class-A. It features auto-bias circuitry, separate 8 and 16 ohm speaker taps, and the ability to switch between balanced and unbalanced operation1. The EAR 890 is known for its smooth, detailed sound presentation and excellent imaging capabilities, making it well-suited for a wide range of music genres. Its robust construction includes a heavy chassis with a baked enamel finish and a chrome-plated brass faceplate.
The EAR 890 is a high-performance push-pull power amplifier delivering 70 watts per channel of pure Class-A stereo sound, bridgeable to 140 watts in mono. Designed with KT90 output tubes, this amplifier combines power, precision, and reliability. Self-biasing for convenience, the EAR 890 supports both balanced (transformer-coupled) and unbalanced inputs, making it versatile for a wide range of home audio systems. Crafted with premium materials, including a polished brass front panel, the EAR 890 offers both stunning aesthetics and top-tier sound quality.
70W per channel stereo, bridgeable to 140W mono
KT90 output tubes for sustained high-power operation
Self-biasing for easy maintenance
Balanced and unbalanced input options
Separate level controls for each channel
Mono-block operation for higher power output
High-end design with polished brass front panel
The EAR 890 is designed for the audiophile who demands more power without sacrificing sonic finesse. Its ability to deliver 70 watts of pure Class-A sound per channel ensures an immersive, full-bodied listening experience. The balanced midrange, crisp treble, and extended bass make every piece of music come alive, while the option to bridge into mono for 140 watts adds incredible flexibility. Whether you’re pushing your sound system to the limit or enjoying a quiet listening session, the EAR 890’s precision and clarity will captivate you, delivering the kind of musicality that truly raises the roof.
Power Output: 70W per channel stereo, 140W in mono
Frequency Response: 20Hz–20KHz
Output Tubes: KT90
Inputs: Balanced and unbalanced
