Summary of Concentra
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Jeff rowland d e s i g n g r o u p.
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Concentra stereo integrated amplifier owner’s manual.
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Introduction w elcome to the jeff rowland design group “family” and congratulations on your purchase of what is unquestionably one of the world’s finest audio amplifiers. þ with its combination of industrial grade active and passive devices, precision electronic circuitry and accurately machined cha...
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Product features þ three balanced xlr inputs per channel plus three unbalanced (rca) inputs per channel. þ preamp out in both balanced xlr output and unbalanced (rca) outputs per channel. þ tape input and output jacks allow tape recording from any source and monitoring of tape recorder output. þ rea...
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2 4 contents 1 3.
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Initial inspection i nspect the shipping container for damage. If the shipping container, packing material, amplifier or accessories are damaged or missing, notify your dealer and the shipper (if a claim is to be made). Note: many shippers require notification and an inspection within twenty-four (2...
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Front panel function controls c o n c e n t r a source 1 2 3 4 5 6 tape mon mute volume jeff rowland d e s i g n g r o u p a e b c d.
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Front panel function controls before attempting any system interconnection, please familiarize yourself with the front panel controls of the concentra integrated amplifier. The descriptions below refer to the letters associated with the features in the diagram above. Front panel a volume control: ro...
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Signal connections a e c c d d a b b e f g g h h i i.
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Signal connections a input 1/phono (rca unbalanced): connect any unbalanced line source (cd, tuner, d/a converter, laser disk, etc.), unless the phono option has been installed. If the phono option is installed, the low level output from the phono source (turntable) must be connected only to this in...
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Rear panel power connections 2 1.
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Installation locate the amplifier as close as possible to its final installation point. Allow access to the rear panel for making connections. The concentra integrated amplifier is convection cooled, eliminating the need for a fan or forced air cooling. When operating, the chassis should have at lea...
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Remote control features a the six-function, hand-held, ir remote transmitter permits remote operation of input selection, volume up/down, balance l/r and mute functions. B the concentra volume display simultaneously receives transmitted data and displays a numerical volume control position from 0 to...
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Concentra performance specifications output power continuous rms watts @ 8 ohms 100 watts @ 4 ohms 150 watts bandwidth 0.5 hz to 160 khz, -3 db slew rate 30 volts per microsecond thd and noise less than 0.06% at rated power damping factor 60, 20 hz to 20 khz, 8 ohms output current 16 amps continuous...
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I f you have any additional questions regarding installation or operation, please contact your authorized jeff rowland design group dealer. Jeff rowland d e s i g n g r o u p.