English dropdown-ico

Jeff Rowland Design Group 302 manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

Go to page of

Similar user manuals

A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Jeff Rowland Design Group 302, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

What is an instruction?

The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Jeff Rowland Design Group 302 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of Jeff Rowland Design Group 302. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of Jeff Rowland Design Group 302 should contain:
- informations concerning technical data of Jeff Rowland Design Group 302
- name of the manufacturer and a year of construction of the Jeff Rowland Design Group 302 item
- rules of operation, control and maintenance of the Jeff Rowland Design Group 302 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Jeff Rowland Design Group 302 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Jeff Rowland Design Group 302, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Jeff Rowland Design Group service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Jeff Rowland Design Group 302.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Jeff Rowland Design Group 302 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Model 302 Stereo Power Amplifier Owner’s Manual Model 302 Stereo Power Amplifier Owner’s Manual[...]

  • Page 2

    T able of Contents T able of Contents Introduction.......................................................................................................................................4 Product Features...............................................................................................................................5 Initial Inspection[...]

  • Page 3

    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. W ith its combination of features such as numerous function control and interconnect possibilities, precision electronic circuitry, exceptional efficiency , and accurately mach[...]

  • Page 4

    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. ! Transformer coupled inputs provide universal [...]

  • Page 5

    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 Amplifier Compliant Isolation Pads Compliant Isolation Pads Care Care Care and Maintenance Instruction Card Care and Maintenance Instruction Card Owner?[...]

  • Page 6

    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 . Note: Many shippers require notification and inspection within twenty-four hours of delivery to determine the nature of damages incurre[...]

  • Page 7

    4 4 5 5 1 1 1 1 1 1 2 2 3 3 8 8 Unpacking the Amplifier Unpacking the Amplifier[...]

  • Page 8

    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 . There should be a portion of carpet or soft, padded cloth to[...]

  • Page 9

    Amplifier Maintenance, Cleaning, and Protection Amplifier Maintenance, Cleaning, and Protection 10 10[...]

  • Page 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. The chassis is sealed to prevent dust from entering and the interior of the chassis should not need cleaning during t[...]

  • Page 11

    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. Multipl[...]

  • Page 12

    ! 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. ! The output terminals or loudspeaker cables should never be shorted to each other or to grou[...]

  • Page 13

    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 Front Panel Power/Standby Indicator 14 14[...]

  • Page 14

    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. FRONT PANEL STANDBY/POWER BUTTON: Pre[...]

  • Page 15

    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 UNBALANCED INPUT BALANCED INPUT BALANCED INPUT BALANCED INPUT LEFT INPUT SELECT LEFT INPUT SELECT LEFT INPUT SELECT UNBALANCED INPUT UNBALANCED INPUT UNBA[...]

  • Page 16

    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 . K Verify that the VOL TS AC input identified on the rear panel near the AC input socket is the same as the AC mains voltage in your are[...]

  • Page 17

    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 . MADE IN U.S.A . MADE IN U.S.A . UNBALANCED INPUT UNBALANCED INPUT UNBALANCED INPUT BALANCED INPUT[...]

  • Page 18

    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). [...]

  • Page 19

    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. There is [...]

  • Page 20

    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, 0.1W-500W/4 ohm: CCIF Intermodulation Distortion, 19/20 kHz: Damping Factor @ 1kHz: Overall Gain: (Balanced or Un[...]

  • Page 21

    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) 15.5 in. (39.4 cm) 10.6 in. (26.9 cm) 10.6 in. (26.9 cm) 18.3 in. (46.9 cm) 18.3 in. (46.9 cm) [...]

  • Page 22

    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 .jeffrowland.com. I f you have any additional questions re[...]