Products Brands

Jeff Rowland

Jeff Rowland Design Group is not so much a business as a dedication--a dedication to a single, heartfelt idea, the production of electronic components capable of unveiling the rich, emotional tapestry of music in a personally involving way. Such dedication carries with it the implicit responsibility of a wholly uncompromising approach to audio design. At Jeff Rowland Design Group, pride of craftsmanship shares equal footing with sonic innovation

Capri Stereo Preamplifier

The Capri Preamplifier offers a simple feature set for ease of use and a large, high-visibility display for volume level indication. The display can also be configured to turn off after 3 seconds when not in use. Dual line-level outputs (balanced and unbalanced), balanced and unbalanced inputs, and preamp bypass inputs allow unprecedented compatibility with virtually any A/V component in both stereo and multi-channel installations.

Corus

Elegant main chassis milled from ingots of non-resonant aircraft-grade aluminum houses all delicate audio and control circuits. Ground-breaking AC power supply is segregated in its own handsome external milled aluminum unit.

Criterion Preamplifier

The Criterion incorporates the most tried and proven concepts trailblazed by JRDG over the 25+ years of successfully developing the finest audio products available: battery power that provides the cleanest possible power source and isolation from the power grid, balanced circuitry, transformer coupling and much more. Additionally new ideas resulting in the further elimination of haze-inducing vibration are included in this no-holds-barred design.

 
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