Bogen-GA2-Operation-Manual 电路图 维修手册.pdf

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1、 2011 Bogen Communications, Inc. All rights reserved. Specifications subject to change without notice. 54-5740-03C 1503 1.5W Utility Amplifier GA2 Model Installation and Use Manual RadioFans.CN 收音机爱 好者资料库 CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN NOTICE: Ever y effor t was made to ensur e that the

2、infor mation in this guide was complete and accur ate at the time of pr inting. However , infor mation is subject to change. WARNING: To r educe the r isk of Fir e or Electr ic Shock, Do Not Expose this appar atus to r ain or moistur e. Appar atus shall not be exposed to dr ipping or splashing and n

3、o objects filled with liquids, such as vases shall be placed on the appar atus. WARNING: Only connect unit to AC mains outlet pr oviding pr otective ear thing connection. NOTE: Mains plug is used as disconnect device fr om the mains and shall r emain r eadily accessible and oper able. CAUTION: These

4、 ser vicing instr uctions ar e for use by qualified ser vice per sonnel only. To r educe the r isk of electr ic shock, do not per for m any ser vicing other than that contained in the oper ating instr uctionsunless you ar e qualified to do so. CAUTION: DO NOT INSTALL OR PLACE THIS UNIT IN A BOOKCASE

5、, BUILT-IN CABINET, OR IN ANOTHER CONFINED SPACE. ENSURE THE UNIT IS WELL VENTILATED. TO PREVENT THE RISK OF SHOCK OR FIRE HAZARD DUE TO OVERHEATING, ENSURE THAT CURTAINS AND ANY OTHER MATERIALS DO NOT OBSTRUCT THE VENTILATION VENTS. Always follow these basic safety pr ecautions when installing and

6、using the unit: IMPORTANT SAFETY INSTRUCTIONS 1. Read these instr uctions. 2. Keep these instr uctions. 3. Heed all war nings. 4. Follow all instr uctions. 5. Do not use this appar atus near water . 6. Clean unit with dr y cloth. 7. Do not block any ventilation openings. Install in accor dance with

7、the manufactur er s instr uctions. 8. Do not install near any heat sour ces such as r adiator s, heat r egister s, stoves, or other appar atus (including amplifier s) that pr oduce heat. 9. Do not defeat the safety pur pose of the polar ized or gr ounding-type plug. A polar ized plug has two blades

8、with one wider than the other . A gr ounding-type plug has two blades and a thir d gr ounding pr ong. The wide blade, or the thir d pr ong, ar e pr ovided for your safety. If the pr ovided plug does not fit into your outlet, consult an electr ician for r eplacement of the obsolete outlet. 10. Pr ote

9、ct the power cor d fr om being walked on or pinched par ticular ly at plugs, convenience r eceptacles, and the point wher e they exit fr om the appar atus. 11. Only use attachments/accessor ies specified by the manufactur er . 12. Unplug this appar atus dur ing lightning stor ms or when not used for

10、 long per iods of time. 13. Refer all ser vicing to qualified ser vice per sonnel. Ser vicing is r equir ed when the appar atus has been damaged in any way, such as power -supply cor d or plug is damaged, liquid has been spilled or objects have fallen into the appar atus, the appar atus has been exp

11、osed to r ain or moistur e, does not oper ate nor mally, or has been dr opped. CAUTION: TO PREVENT THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE ANY FRONT/BACK COVERS OR PANELS. NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. The exclamation point within an equilater al tr iang

12、le is in- tended to aler t the user to the pr esence of impor tant oper ating and maintenance (ser vicing) instr uctions. The lightning flash with ar r owhead symbol, within an equi- later al tr iangle, is intended to aler t the user to the pr esence of uninsulated danger ous voltage within the pr o

13、ducts en- closur e that may be of sufficient magnitude to constitute a r isk of electr ic shock to per sons. RadioFans.CN 收音机爱 好者资料库 Bogen Model GA2 is a r ugged and compact 1.5 watt amplifier designed to meet the r equir ements of continuous low-power audio appli- cations. It is ideally suited for

14、telephone line music-on-hold amplification. It can be used to dr ive monitor speaker s, headphones, or as a line amplifier . With accessor y tr ansfor mer WMT1A connected to the input, the GA2 will pr ovide amplification for a 600-ohm telephone line. The amplifier pr ovides a high-level input with s

15、cr ewdr iver -adjustable volume contr ol, and both an 8-ohm and 600-ohm output. The input is available at either a phone jack or scr ew ter minals. Sensitivity for full output is 50mV. Outputs ar e available via scr ew ter minals. The GA2 is listed to UL Standar d 60065 for the U.S. and Canada. Typi

16、 cal Appl i cat i ons The GA2 can be used to inter face the music-on-hold function of var ious telephone systems to the output of an audio sour ce. The GA2 can be used for telephone systems with pr ovisions for music-on-hold that r equir e either 600-ohm or 8-ohm/1.5W input to their MOH inputs. When

17、 used as a line amplifier , the 600-ohm balanced, or 8-ohm output of the GA2 can be used to dr ive the input of power amplifier (s) r emotely located fr om the music sour ce. Figur e 2 illustr ates use of Model GA2 as a multiple head- phone dr iver . With this ar r angement, the amplifier can dr ive

18、 up to 20 pair s of headphones. CAUTION: To prevent overdri vi ng an ampl i f i ed speaker syst em, use t he f ol l owi ng set up procedure. 1) Set all of the zone amplified speaker volume contr ols to the maximum “ON” position. 2) Adjust the GA2 output to a level slightly louder than is nor mally r

19、 equir ed at the speaker . 3) Adjust the individual amplified speaker volume level contr ol to the desir ed volume level. Techni cal Speci f i cat i ons Power Out put : 1.5 watts RMS Frequency Response: 200 Hz to 15 kHz +0 dB, -2.5 dB Tot al Harmoni c Di st ort i on: 2% 1.5W, 0.25% 1W Out put Level

20、: +6 dBm (1.5V) acr oss balanced 600 ohms Sensi t i vi t y: 50 mV Input Impedance: 100 kilohms Hum and Noi se: -72 dB below r ated output Out put Impedance: 8 ohms; 600 ohms balanced Cont rol : Volume, scr ewdr iver -adjustable Termi nat i ons: Output ter minal str ip Input RCA-type phono jack or te

21、r minal str ip Power Consumpt i on: 4W, 120V, 60 Hz Di mensi ons: 5-1/2 W x 4-1/8 H x 2-1/4 D Product Wei ght : 2 lb. GA2 1.5W Ut i l i t y Ampl i f i er AUDIOAUDIO OUTPUTOUTPUT AM/FM TUNERAM/FM TUNER MUSIC SOURCEMUSIC SOURCE 600 BALANCED600 BALANCED SPEAKER LEVELSPEAKER LEVEL OUTPUTOUTPUT TO TELEPH

22、ONETO TELEPHONE MOH INPUTMOH INPUT AM/FM RECEIVERAM/FM RECEIVER OUTPUTOUTPUT ALTERNATEALTERNATE CONNECTIONCONNECTION TO GA2TO GA2 220 TYPICAL TO ADDITIONAL JACKS TYPICAL - 200 / 600-OHM HEADPHONES SELF-AMPLIFIED SPEAKER BOGEN WMT1A TO 600 TELEPHONE PAGING INTERFACE SELF-AMPLIFIED HORN POWER SUPPLY T

23、O ADDITIONAL SELF-AMPLIFIED SPEAKERS 88 / / 1.5W1.5W SPEAKER LEVELSPEAKER LEVEL OUTPUTOUTPUT AUDIO OUTPUT AM/FM TUNER MUSIC SOURCE 600 BALANCED SPEAKER LEVEL OUTPUT TO TELEPHONE MOH INPUT AM/FM RECEIVER OUTPUT ALTERNATE CONNECTION TO GA2 220 TYPICAL TO ADDITIONAL JACKS TYPICAL - 200 / 600-OHM HEADPH

24、ONES SELF-AMPLIFIEDSELF-AMPLIFIED SPEAKERSPEAKER BOGEN WMT1ABOGEN WMT1A TO 60TO 6000 TELEPHONETELEPHONE PAGINGPAGING INTERFACEINTERFACE SELF-AMPLIFIED HORNSELF-AMPLIFIED HORN POWERPOWER SUPPLYSUPPLY TO ADDITIONALTO ADDITIONAL SELF-AMPLIFIEDSELF-AMPLIFIED SPEAKERSSPEAKERS 8 / 1.5W SPEAKER LEVEL OUTPU

25、T AUDIO OUTPUT AM/FM TUNER MUSIC SOURCE 600 BALANCED SPEAKER LEVEL OUTPUT TO TELEPHONE MOH INPUT AM/FM RECEIVER OUTPUT ALTERNATE CONNECTION TO GA2 220 220 TYPICALTYPICAL TOTO ADDITIONALADDITIONAL JACKSJACKS TYPICAL - 200 / 600-OHM HEADPHONESTYPICAL - 200 / 600-OHM HEADPHONES SELF-AMPLIFIED SPEAKER B

26、OGEN WMT1A TO 600 TELEPHONE PAGING INTERFACE SELF-AMPLIFIED HORN POWER SUPPLY TO ADDITIONAL SELF-AMPLIFIED SPEAKERS 8 / 1.5W SPEAKER LEVEL OUTPUT Figur e 1: Connect ion Diagr am for Tuner or Receiver t o Music-On-Hold Figur e 3: Typical Self-Amplified Speaker Syst em Figur e 2: Typical 200/600-Ohm H

27、eadphones RadioFans.CN 收音机爱 好者资料库 The Bogen GA2 Utility Amplifier is warranted to be free from defects in material and workmanship for two (2) years from the date of sale to the original purchaser. Any part of the product covered by this warranty that, with normal installation and use, becomes defec

28、tive (as confirmed by Bogen upon inspection) during the applicable warranty period, will be repaired or replaced by Bogen, at Bogens option, provided the product is shipped insured and prepaid to: Bogen Factory Service Department, 4570 Shelby Air Drive, Suite 11, Memphis, TN 38118, USA. Repaired or

29、replacement product will be returned to you freight prepaid. This warranty does not extend to any of our products that have been subjected to abuse, misuse, improper storage, neglect, accident, improper installation or have been modified or repaired or altered in any manner whatsoever, or where the

30、serial number or date code has been removed or defaced. THE FOREGOING LIMITED WARRANTY IS BOGEN S SOLE AND EXCLUSIVE WARRANTY AND THE PURCHASER S SOLE AND EXCLUSIVE REMEDY. BOGEN MAKES NO OTHER WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNES

31、S FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED TO THE MAXIMUM EXTENT ALLOWABLE BY LAW. Bogens liability arising out of the manufacture, sale or supplying of products or their use or disposition, whether based upon warranty, contract, tort or otherwise, shall be limited to the price of

32、 the product. IN NO EVENT SHALL BOGEN BE LIABLE FOR SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, LOSS OF PROFITS, LOSS OF DATA OR LOSS OF USE DAMAGES) ARIS- ING OUT OF THE MANUFACTURE, SALE OR SUPPLYING OF PRODUCTS, EVEN IF BOGEN HAS BEEN ADVISED OF THE POSSIBILITY OF

33、 SUCH DAMAGES OR LOSSES. Some States do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from State to State. Products

34、that are out of warranty will also be repaired by the Bogen Factory Service Department same address as above or call 201-934-8500. The parts and labor involved in these repairs are warranted for 90 days when repaired by the Bogen Factory Service Department. All shipping charges in addition to parts and labor charges will be at the owners expense. All returns require a Return Authorization number. For most efficient warranty or repair service, please include a description of the failure. 11/2014 Li mi t ed Warrant y; Excl usi on of Cert ai n Damages