Instruction/ maintenance manual of the product 302 JEFF ROWLAND
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Model 302 Stereo Power Amplifier Owner’s Manual Model 302 Stereo Power Amplifier Owner’s Manual.
T able of Contents T able of Contents Introduction.......................................................................................................................................4 Product Features................................................
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.
Product Features Product Features ! XLR input connectors for balanced system configuration. ! RCA input connectors for unbalanced system configurations. ! Dual Speaker Output Terminals on each channel for bi- wiring applications. ! User selectable switching between balanced and unbalanced connections.
Pack age Contents Pack age Contents 6 6 WARRANTY REGISTRATION WARRANTY REGISTRATION AC Power Cable AC Power Cable Warranty Card Warranty Card Model 302 Stereo Power Amplifier Model 302 Stereo Power Am.
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) immediately .
4 4 5 5 1 1 1 1 1 1 2 2 3 3 8 8 Unpacking the Amplifier Unpacking the Amplifier.
The Model 302 is a large and heavy amplifier. Due caution should be taken when unpacking and installing the amplifier to avoid injury or damage to the amplifier. The Model 302 should be unpacked by at least two people, however it is possible for one person to unpack the amplifier safely .
Amplifier Maintenance, Cleaning, and Protection Amplifier Maintenance, Cleaning, and Protection 10 10.
Amplifier Maintenance, Cleaning, and Protection Amplifier Maintenance, Cleaning, and Protection Maintenance and Cleaning A ll Jeff Rowland Design Group products are designed to provide a lifetime of enjoyment and listening pleasure.
Amplifier Installation, Use, and Care Amplifier Installation, Use, and Care L ocate the amplifier as close as possible to its final installation point. Allow access to the rear panel for making connections. The Model 302 Stereo Power Amplifier is extremely efficient and convection cooled, eliminating the need for fans or forced-air cooling.
! When operating the Model 302, a properly grounded AC receptacle should be used. A potential shock hazard may result if the supplied 3-wire, grounded AC cable ground terminal is defeated or lifted or the unit is connected to a 2-wire ungrounded AC outlet.
Amplifier Front P anel Functions and Indicators Amplifier Front P anel Functions and Indicators Front Panel Power/Standby Button Front Panel Power/Standby Button Front Panel Power/Standby Indicator Fr.
Amplifier Front P anel Functions and Indicators Amplifier Front P anel Functions and Indicators B efore attempting any system interconnection, please familiarize yourself with the front panel control of the Model 302 Stereo Power Amplifier . The descriptions below refer to the illustration on the adjacent page.
Amplifier Rear Panel P ower Connections Amplifier Rear Panel P ower Connections 16 16 1 1 1 2 2 2 3 3 3 4 4 4 NEUTRIK NEUTRIK PUSH PUSH NEUTRIK NEUTRIK PUSH PUSH UNBALANCED INPUT UNBALANCED INPUT UNBA.
Amplifier Rear Panel P ower Connections Amplifier Rear Panel P ower Connections Important: Please strictly follow the following steps outlined below in order before operating your Model 302 Stereo Power Amplifier .
Amplifier Rear Panel Signal Connections Amplifier Rear Panel Signal Connections 18 18 NEUTRIK NEUTRIK PUSH PUSH NEUTRIK NEUTRIK PUSH PUSH STEREO POWER AMPLIFIER STEREO POWER AMPLIFIER STEREO POWER AMPLIFIER MODEL 302 MODEL 302 MODEL 302 MADE IN U.S.A .
Amplifier Rear Panel Signal Connections Amplifier Rear Panel Signal Connections T he Model 302 Stereo Power Amplifier offers unprecedented compatibility with associated audio components. When connecting or disconnecting speaker or interconnect cables, the amplifier should be placed in Standby mode (blue POWER INDICATOR LED on the front panel OFF).
Internal Adjustments Internal Adjustments Overall Gain T he overall gain of the Model 302 Stereo Power Amplifier can be adjusted between 26 dB and 32 dB . The setting from the factory is 26 dB, which is adequate for the majority of applications, though some systems involving low efficiency loudspeakers may require the higher gain setting.
Model 302 Stereo Power Amplifier Specifications Model 302 Stereo Power Amplifier Specifications Output Power: Continuous RMS watts, both channels driven @ 8 ohms @ 4 ohms Power Bandwidth: Peak Output Current: Dynamic Range: THD + Noise, 0.
16.0 in. (40.6 cm) 16.0 in. (40.6 cm) 14.5 in. (36.8 cm) 14.5 in. (36.8 cm) Dimensions Dimensions A summary of the amplifier chassis dimensions is indicated below. A summary of the amplifier chassis dimensions is indicated below. 22 22 15.5 in. (39.4 cm) 15.
Additional Information Additional Information I f you have any additional questions regarding the installation or operation of the Model 302 Stereo Power Amplifier , please contact your authorized Jeff Rowland Design Group dealer or check the Jeff Rowland Design Group web site at http://www .
An important point after buying a device JEFF ROWLAND 302 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought JEFF ROWLAND 302 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data JEFF ROWLAND 302 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, JEFF ROWLAND 302 you will learn all the available features of the product, as well as information on its operation. The information that you get JEFF ROWLAND 302 will certainly help you make a decision on the purchase.
If you already are a holder of JEFF ROWLAND 302, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime JEFF ROWLAND 302.
However, one of the most important roles played by the user manual is to help in solving problems with JEFF ROWLAND 302. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device JEFF ROWLAND 302 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
