Summary of Model 2
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Jeff rowland d e s i g n g r o u p.
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Model 2 stereo power 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 power amplifiers. þ with its combination of industrial grade active and passive devices, precision electronic circuitry and accurately machin...
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Product features þ xlr balanced input jacks for balanced (differential mode™) system configurations þ xlr to rca input adapters included þ user-selectable overall gain of 26 or 32 db þ user-selectable input impedance of 36k Ω (hi) or 600 Ω (lo) þ all internal signal circuitry is totally isolated fro...
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1 2 3 4 5 6 contents.
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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 & rear panel function controls a 1 2.
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Front & rear panel function controls before attempting any system interconnection, please familiarize yourself with the front and rear panel controls of the model 2 amplifier. The descriptions below refer to the numbers associated with the features in the diagram above. Front panel a front panel sta...
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2 1 3 rear panel power connections.
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Installation l ocate the amplifier as close as possible to its final installation point. Allow access to the rear panel for making connections. The model 2 amplifier is convection cooled, eliminating the need for fan or forced air cooling. When operating, the chassis should have at least two (2) inc...
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2 1 signal connections 4 3 3.
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Signal connections t he model 2 amplifier offers unprecedented compatibility with associated audio components. When connecting or disconnecting speaker or interconnect cables, it is only necessary that the front panel standby/ power button be pressed to switch the amplifier to standby mode. The butt...
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Operation a fter following the procedures outlined in the installation/rear panel power connections and signal connections sections, the amplifier can be turned on by pressing the front panel standby/power button. Allow approximately twenty (20) minutes for the amplifier to reach operating temperatu...
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Performance specifications output power continuous rms watts @ 8 ohms 75 watts @ 4 ohms 150 watts power bandwidth 0.1 hz to 160 khz, -3 db slew rate 80 volts per microsecond thd and noise less than 0.05% at rated power damping factor greater than 100, 20 hz to 20 khz, 8 ohms output current 20 amps c...
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Basic troubleshooting a summary of fault conditions, their causes and remedies, are listed below. The model 2 amplifier can produce high power levels which, without well designed protection circuitry, could damage loudspeakers. Therefore, most fault conditions which may occur during use will be indi...
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Condition front panel standby/power button illuminates normally but right, left or both amplifier channels do no operate or warm up to normal operating temperature. Ac mains circuit breaker (rear panel) switches off or will not remain on. 50/60 hz hum noise in loudspeakers. High frequency, random or...
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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.