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Jeff Rowland Design Group Model 625 Stereo amplifier
The stylish and powerful Jeff Rowland Model 625 Stereo amplifier produces 300 watts of power and it incorporates provisions for remote triggering.
Internally the Jeff Rowland Group Model 625 Stereo amplifier utilizes a balanced topology to reduce distortion and to help ensure its silent operation.
The enthusiast audio market is populated with many quality brands that quietly go about their business serving the niche audiophile crowd. One of those companies is the Colorado-based manufacturer Jeff Rowland Design Group who for years has been producing a complete line of two-channel electronics.
Jeff Rowland's latest product is the Model 625 Stereo amplifier and the company says the amp incorporates a balanced topology that reduces distortion and aids the amp's ability to create a low noise floor that reproduces low-level detail. Rated to deliver 300 watts into an 8-ohm load and 550-watts into a 4-ohm load, the company also states that the amp also employs a composite circuit architecture with separate Class A/B voltage and current gain blocks with no overall negative feedback.
The amp also features a precision-machined chassis with integrated aluminum heat sinks and a transformer-coupled input circuit that includes the company's Power Factor Correction (PFC) power supply to eliminate ground loops and AC harmonic line noise to supply the gain circuit with clean power.
Jeff Rowland's latest product is the Model 625 Stereo amplifier and the company says the amp incorporates a balanced topology that reduces distortion and aids the amp's ability to create a low noise floor that reproduces low-level detail. Rated to deliver 300 watts into an 8-ohm load and 550-watts into a 4-ohm load, the company also states that the amp also employs a composite circuit architecture with separate Class A/B voltage and current gain blocks with no overall negative feedback.
The amp also features a precision-machined chassis with integrated aluminum heat sinks and a transformer-coupled input circuit that includes the company's Power Factor Correction (PFC) power supply to eliminate ground loops and AC harmonic line noise to supply the gain circuit with clean power.
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About the Author
Robert Archer, Senior Editor, CE Pro
Bob is an audio enthusiast who has written about consumer electronics for various publications within Massachusetts before joining the staff of CE Pro in 2000. Bob is THX Level I certified, and he's also taken classes from the Imaging Science Foundation (ISF) and Home Acoustics Alliance (HAA). In addition, he's studied guitar and music theory at Sarrin Music Studios in Wakefield, Mass.
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