Bogen GS-35 Stereo Amplifier User Manual
Contents
1. Bypassing the output transformer and driving the speaker load directly provides the advantage of better bass response To maximize the power delivered to the speakers their combined load impedance should be 4 ohms Connecting higher load impedances is electrically acceptable but the mismatch in load impedance will cause the speaker load to only receive a portion of the power that the amplifier is capable of delivering It is not acceptable to connect low impedance speakers to the 70V and 25V outputs Typical connections to a 70V Typical connections to a low impedance transformer coupled speaker non transformer coupled speaker load Note jumper link shorting the GND to the COM terminal TRANS 80 70V 25V COM GND OUT Note switch is set to DIRECT OUT Note jumper link shorting the GND to the COM terminal Note switch is set to TRANS OUT COM and GND Terminals A shorting jumper typically connects the COM and GND terminals of the amplifier together The COM terminal is a common lead from the output transformer For the transformer coupled speaker output to work one of the speaker load leads must be connected to this terminal The GND terminal is a connection to the system s electrical ground and used when driving loads in the Direct Out mode Connecting the GND to the COM terminal when using the transformer coupled outputs reference2. Page PANEL DESCRIPTIONNS eee eee eene eene entente 2 3 Wall Mount Power Vector Front Panel eese esee tentent tentent 2 Wall Mount Power Vector Module Bay Rear eerte 3 Wall Mount Power Vector Connector Board Rear eerte 3 INSTALLATION 4 Package Geri 4 AEn 4 Front Panel Input Connector 2 ttt trt ror i th HR EU RR RES Ra raga 4 jUTnE 5 Module Installation te certe pn eo e nen ed red Ree eun ag 5 Output Modules kann tacite hee ec hieu dude vicende end uarie ee eae 5 Functionality Input Modules dm Functionality Priorities nonne CONNECTION Speakers m M Transformer Coupled Speaker Connections 4 Ohm Low Impedance Speaker Connections COM and GND Terminals 2 0202 Remote Volume Controleren areia erret reri nd eget petere deese 7 Master MUG e 7 OPERATION 8 9 Front Panel Controls amp Indicators rent irent 8 Input Volume Coritrols 5 tte et nina i 8 Signal I ge 8 Base and Treble Controls tie edita iet inten rain kda 8 Master Volume Cont
3. BOGEN Wall Mount Power Vector Amplifiers WV100 WV150 amp WV250 Models Installation and Use Manual 2002 Bogen Communications Inc All rights reserved Specifications subject to change without notice 54 2086 01B 0304 Printed in Korea Notice Every effort was made to ensure that the information in this guide was complete and accurate at the time of printing However information is subject to change Important Safety Information WARNING To Reduce The Risk of Fire Or Electric Shock Do Not Expose This Apparatus To Rain Or Moisture Always follow these basic safety precautions when installing and using the unit DN OS UT o paa X 10 11 12 13 Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth DO NOT block any ventilation openings Install in accor dance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of
4. ED is red LED Output Meter is not in red Power Indicator LED is red Input Signal Clip LED is green LED Output Meter in red Input volume controls set too high Input master volume control set too high Lo cut switch is set to ON Speakers wired out of phase Check module bass control setting if available Check bass control setting Note Transformer coupled speakers have less bass response Power Indicator LED is red Input Signal Clip LED is green LED Output Meter not in red Poor electrical connections at input nput cable routed near AC cables power transformer or other EMI radiating devices Power Indicator LED is red Electrically noisy devices operating on the same AC Volume controls are in normal circuit operational position Poor equipment grounding Ensure that all AC safety grounds are connected Make sure that all components in audio chain are tied to the same ground 12 Warranty Bogen Wall Mount Power Vector Amplifiers modules and components are warranted to be free from defects in mate rial or workmanship provided that the product has not been subjected to abuse or accident or altered in any way for three 3 years from the date of sale to the original purchaser with the exception of the remote volume control panel RVCP which is warranted for one 1 year Any part of the product covered by this warranty that with normal instal lation and
5. Limiter Control with Indicator Control determines maximum amp output level before limiting takes place Indicator illuminates when limiting takes place 5 Average Peak Switch This switch determines whether the LED Output Meter registers the average or peak level of the amplifier s output 6 LED Output Level Meter An 11 segment LED output level meter monitors the output level of the power amplifier 7 Tape Out RCA unbalanced signal level output post bass treble and master controls 8 Bass Control Controls the amount of cut or boost of bass frequencies below 100 Hz 9 Treble Control Controls the amount of cut or boost of treble frequencies above 10 kHz 10 Master Volume Control Controls overall level of mixed input signals 11 Power Switch Controls AC power to the amplifier llluminates when ON INPUT OUTPUT INPUTNUTPUT INPUT O INPUT INPUT e EE amp i amp O s O7 Os Os Oe 1 Module Bays The amplifier has eight module bays all of which can accommodate input modules with two bays bays 7 and 8 that can accommodate either input or output modules 2 Low Cut Switch Slide switch located in module bay 6 allows roll off of frequencies below 125 Hz 3 Tone Control Bypass Switch
6. Power Switch Power Indicator The AC power to the amplifier is controlled by the Power rocker switch which illuminates when power is applied Output Limiter The Output Limiter control sets the threshold at which the unit hard limits the output signal Once the Limiter s threshold is exceeded the output signal is prevented from increasing any further With the control set to the Min position fully counterclockwise the Limiter will pro vide almost no limiting and is essentially turned off It will only engage when very large output levels are produced As the control is turned clockwise more limiter function will be allowed and the output level necessary to engage the Limiter decreases Typically the Limiter is set to prevent clipping caused by overdriving the amplifier beyond its maximum output level This setting is established by Limiter using both the Output Level Meter and the Limiter LED First adjust the amplifier s output level until the Output Level Meter registers in the amber region Then adjust the Output Limiter control O Max until the Limiter LED illuminates intermittently The LED associated with the Limiter illuminates when the Limiter is engaged If the output level of the amplifier exceeds this point then the Limiter will engage thereby keeping the Output Level Meter in the amber region The Limiter can also be set to restrict the amplifier s output level to a desired level below the amplifier s maximum
7. Slide switch located in module bay 6 allows the effects of the Bass and Treble controls to be bypassed Wall Mount Power Vector Connector Board Rear 2 TRANS TRANS 82 70 25V COM GND s a 1 MST 2 MUTE uP c REMOTE leoooc BBBB8B DN 1 Trans Output Direct Out Selector Allows selection of either transformer coupled outputs 70V 25V and 8 ohm or a direct low impedance 4 ohm minimum output 2 Speaker Output Barrier Strip A terminal barrier strip with clamping washers provides connections for speaker loads 3 Master Mute Terminals These two terminals when shorted together mute the output from all modules installed regardless of their priority settings 4 Remote Volume Control Terminals Three terminals are provided for connection of an RVCP remote volume control panel to control the amplifi er s motorized Master Volume Control Installation Package Contents Amplifier 2 Cables Instruction Manual Combined XLR receptacle and phone jack 2 Screws M 3 x 8 6 Screws M 4 x 8 Mounting A surface mount model BBS or flush mount model BBF shown below back box as well as a door is required for installation Refer to the instructions provided with these itemsfor proper installation See Components on page 13 To SE BACKBOX BBF or BBS AMPLIFIER
8. WV100 WV150 WV250 DOOR WMAD Front Panel Input Connector If desired a front panel mounted combination female XLR and 1 4 stereo phone jack can be installed A white screened area is provided on the front of the amplifier below the connector to identify the connectors purpose and associated input number Remove the filler cap in the upper left hand corner of the front panel and install the combination jack as shown in the figures below Either or both of the connector styles on the jack can be wired to any user supplied module with included cables The labeling below the two cable connectors on the PCB identifies corresponding connectors on the combo jack XLR 12 R PHONE PIN 2 Connection ldentifiers Modules Module Installation Eight module bays are available to accept Bogen s new advanced plug in input modules Module bays 7 amp 8 can also accommodate Bogen s new advanced plug in output modules thereby allowing users to customize the amplifier to suit the needs of the installation Note The bays will not accept Bogen s older style plug in modules Before installing a module read the instructions included with the module and make the desired jumper setting changes The modules are installed by simply sliding them along the card guides inside the module bays until the faceplate firmly sits against the chassis then use the two screws supplied with the module to secure it to the chassis e Mod
9. ct Signal to Noise Fundamental With Aux Module With Mic Module With Tel Module Tone Controls Bass Frequency Treble Frequency Low Cut Frequency Sensitivity Output Regulation Output Impedance Transformer Coupled Direct Coupled Tape Out Output Level Output Impedance Protection Line Fusing Cooling Power Consumption Dimensions Product Weight WV100 100W 140W Typical 1 kHz 0 1 4Q WV150 150W 200W Typical 1 kHz 0 1 4Q WV250 250W 340W Typical 1 kHz 0 196 4Q 45 20 kHz 0 2 dB FRP 20 20 kHz 0 1 dB FRP 0 5 THD N Maximum Full rated bandwidth FRP 0 1 THD N Maximum Full rated bandwidth FRP 94 dB 70 dB 60 dB 70 dB 100 Hz 10 dB minimum 10 kHz 10 dB minimum 125 Hz 6 dB octave 0 4V at backplane connector 2 dB or better no load to full load 70V 25V 8 ohms balanced or unbalanced 4 ohms unbalanced 4VRMS FRP 50 ohms maximum Thermal short circuit and overload auto reset Resettable circuit breaker Thermally controlled 3 speed fan WV100 2 0A 120V AC 60 Hz WV150 3 5A 120V AC 60 Hz WV250 5 5A 120V AC 60 Hz WV all models 14 1 8 W x 21 H BBF 14 1 2 W x 24 3 4 H x 3 7 8 D BBS 16 1 4 W x 26 3 4 H x 3 7 8 D WMAD 16 1 4 W x 26 3 4 Hx 1 D WV100 27 Ib WV150 29 Ib WV250 28 Ib BBF 14 Ib BBS 18 Ib WMAD 11 Ib Referenced to full rated power FRP output level 20 20 kHz ban
10. ctivity while the master mute is engaged Connections TRANS m TRANS 8 OUT 9 70V 25V COM GND n DIRECT 49 OUT Q 9 9 9 9 9 9 9 9 9 DIRECT 1 MASTER 2 MUTE UP c REMOTE VOL DN LU 1 MASTER 2 MUTE UP P c REMOTE VOL Front Panel Controls amp Indicators Input Volume Controls Each input module may be individually controlled by its corresponding volume control knob Signal Clip Indicator A single LED located above each channel s volume control indicates the audio activity of that channel s input Green indicates signal is being applied to the mix bus Red indicates that the input signal coming from the input module into the amp is clipping and distorted This is caused by either an input signal that is too high or an input module volume control gain that is set too high Input 1 Bass and Treble Controls The treble control has a cut boost range of 10 dB at frequencies above 10 kHz and provides a roll off after 20 kHz to reduce gain above the audio range The bass control has a cut boost range of 10 dB at frequencies below 100 Hz When driving speakers using the direct coupled output termi nals the bass filter s response is constant to 20 Hz When driv
11. dwidth limited All specifications subject to change without notice 11 Amplifier not plugged in AC outlet dead Power switch off Circuit breaker tripped Power Indicator LED is off Power Indicator LED is red Input Signal Clip LED is off No signal from source Module not installed correctly Power Indicator LED is red Input Signal Clip LED is green LED Output Meter is off Master or input channel volume control turned down Rear panel master mute terminal shorted Speaker connections on amplifier are incorrect Trans Direct Out selector not set correctly Poor broken speaker wiring Defective speakers Power Indicator LED is red Input Signal Clip LED is green LED Output Meter is operating Power Indicator LED is red Input Signal Clip LED is green Volume Controls are turned up and shows little activity Unit is extremely hot Partial short on the output Signal from source is already distorted Poor speaker connections Trans Out load on wrong tap Bass control boosted too much Power Indicator LED is red Input Signal Clip LED is green LED Output Meter is not in red Input signal level to module too high should cause red clip LED Input module gain too high if available Input module being overdriven by a high input signal Power Indicator LED is red Input Signal Clip L
12. e 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 owner s expense Accessories Components Mounting Components 1 One of the following two back boxes are required for assembly BBF Flush Mount Back Box e Mounting kit for installing amplifier flush to a wall BBS Surface Mount Back Box e Mounting kit for installing amplifier to the surface of a wall 2 The WMAD is required for assembly WMAD Front Cover Door e Prevents tampering with system settings e Simple installation Accessories The following item is an optional accessory RVCP Remote Volume Control Panel e Push button operation of motorized master volume control Fits in standard single gang electrical box Decora style cover plate RVCP 13 BOGEN COMMUNICATIONS INC 50 Spring Street Ramsey NJ 07446 U S A Tel 201 934 8500 Fax 201 934 9832 www bogen com
13. he switch The switch must be set before a module is installed in this bay idol Block D A uedo youms Bojeuy jeu is yred jeu amp irs oipny sng XIN olpny mw ann J8 se N 999 99 1 1 1 HOLIMS HOLO3T13S LNO LOAYIC LO SNVH L 18497 adl ssed g euoL HO UO i n2 40 e ge1j sseg peg ee ee cone Jeise N Te Jejse N oDeis JOMOd eurn 9 s nduj S 04U09 euunjoA 8 indul euinjoA 2 enpiAlIpu Joyeolpu dij5 reu amp is Jojeoipu ndino 10 2 ndino 10 8 EEE y Je 1 1 1 1 1 9 9 Jojeoipu p E S JINON v FINGON AINGOW NN FIINGON SFIINAON LAdNI Jojeoipu dio reuBis Jojeoipu dijo reuBis Jojeoipu dijo reuBis Jojeoipu dijo reu amp is JOojeoipu dijo reuBis 1 nduj xny e eouepedu IH peouejequ 1 990 4 reu is FINAON LAdLNO indu xny e eouepeduj IH paouejequn BuisseooJg jeu s 40j9euuo pueg 110 FINGOW LAdLNO 10 Power Output RMS Frequency Response Transformer Direct Distortion Transformer Dire
14. ing speak ers using the transformer coupled output terminals the amplifier auto matically changes the bass filter s response to a bandpass shape to reduce the level of bass frequencies below 40 Hz This filter shape helps to avoid overdriving the speaker s coupling transformer with low frequency sig nals that may cause noticeable distortion due to magnetic saturation of the transformer s core Master Volume Control The overall volume level of the amplifier is set by a Master Volume con trol The Master Volume control is motorized and can be controlled by manually adjusting the knob or by a remotely mounted control station Connections and requirements for the remote control station optional accessory are described in the Connections section under Remote Volume Control Average Peak Switch amp LED Output Meter The LED Output Meter is an 11 segment meter that registers either the average or the peak level of the amplifier s output signal A red indicator is provided at the 3 dB level to indicate amplifier clipping Amber indic Rn lave tors at the OdB and 3 dB levels indicate high amplifier output levels The 3126 2148 15 12 5 6 00000000000 remaining 8 indicators green provide an indication of the output signal s dynamics The meter can be set to read either the average output signal level or the peak output signal levels by using the Average Peak Switch to the left of the meter In is average out is peak
15. l input modules become active when they receive an audio input Active modules may be prevented from sending their audio onto the mix bus by a higher pri ority module that is also active Input priorities are set through a simple jumper field on the module It is also possible not to assign a priority level to an input module By doing so that module will never be muted by another input module in the ampli fier The unassigned inputs will however be muted by the amplifier s Master Mute input Connections Speakers Transformer Coupled Speaker Connections Transformer coupled constant voltage speaker loads are connected to their respective load type i e 70V speakers to the 70V terminal 25V speaker systems to the 25V terminals and the COM terminal Make sure the selector switch is in the TRANS OUT position A separate 8 ohm ter minal is provided to drive 8 ohm low impedance speakers through an output transformer tap The speaker terminals can accept up to a 10 spade lug and have integral clamping plates that make wiring easier TRANS 4 Ohm Low Impedance Speaker Connections TRANS 89 70 25V COM GND jt A low impedance 4 2 speaker load can be driven directly without trans former coupling by connecting the load to the 4Q terminal and the GND terminal Make sure the selector switch is in the DIRECT OUT position DIRECT 40 DIRECT
16. level to provide a means of limiting the system s volume level In this case the amplifier is driven to the desired output level and then the Limiter control is adjusted so that it begins to engage In general input and master controls should be set so that the Limiter engages as little as possible Rear Panel Controls Load Selector Switch TRANS OUT A large slide switch next to the amplifier s output barrier strip deter mines transformer coupled or direct output operation The setting of this switch controls which amplifier output terminals are active and DIRECT what type of filter shape will be used for the bass control See the OUT Connections section for more information about the load selector switch Other Controls Located In Module Bay 6 Tone Control Bypass Switch A slide switch that can bypass the effects of the Bass and Treble controls is located on the back plane of module bay 6 It is sometimes desirable to bypass the tone controls when other forms of system equalization are used screwdriver can be used to set the switch The switch must be set before a module is installed in this bay Low Cut Switch LO TONE CUT INPUT OUTPUT INPUT OUTPUT Qyeur The Power Vector Amplifier provides a low cut filter wy our that rolls off frequencies below 125 Hz The slide om switch for this function is located on the back plane cur of module bay 6 A screwdriver can be used to set t
17. rol usto rtr entered deo ee aias 8 Average Peak Switch amp LED Output Meter sse 8 Power Switcli Power Indicator ettet p edet oen 8 9 Rear Panel Conttols 5 2 no tera rn niet nga EORR RO ERRARE Ua reco 9 Load Selector Switch nase nah sn nen aa een 9 Other Controls nonien ae Tone Control Bypass Switch Low Cut Switch BLOCK DIAGRAM SPECIFICATIONS uurscsesessneessnneessnesensnsessnneensnssensnsnssnnsensnssesnnsensnnssnsnsssssnnssssnssnsnnsssnanen TROUBLESHOOTING WARRANTY 2zssssessnseesnneessnerensneessnneensnesesnnsnssnnesnsnssssnnssssnsssssnssesnnssssnsssnsnssssnnsssssnsensnnsnsnsnnnn ACCESSORIES COMPONENTS Wall Mount Power Vector Front Panel Gin 8 40 T ses OOOOOO o ES Max 1 Input Volume Control Each of the 8 module bays are controlled by an independent volume control 2 Signal Clip Indicator A single two color LED located above each channel s volume control indicates the audio activity of that chan nel s input Green indicates signal active at the input red indicates clipping of the input signal 3 Panel Input Connector A combination XLR female and 1 4 stereo phone jack connector provides a panel mounted input Parts includ ed but comes uninstalled 4 Output
18. s the transformer output to ground Disconnecting the GND terminal from COM allows the transformer output to float electrically This is sometimes useful under certain condi tions where a ground connection is undesirable It is generally a good idea however to short the GND to the COM terminal regardless of output type Trans or Direct Remote Volume Control Three terminals are provided for remote control of the Master Volume control This control is motorized allowing full control over the setting of the master volume Shorting the UP terminal with the C terminal will rotate the Master Volume control in a clockwise direction increasing the volume level Shorting the DN terminal to the C terminal will cause the Master Volume control to rotate in a counterclockwise direction and decrease the level of the Master Volume control The impedance of the shorting connections must be less than 100 ohms in order to operate the control The Bogen Remote Volume Control Panel model RVCP provides a simple and elegant means of remote control Master Mute Two terminals are provided for invoking a Master Mute function When the master mute terminals 1 amp 2 are shorted through a resistance of less than 100 ohms all audio from the mixer section of the Power Vector amplifier is interrupted The power amplifier section is still operational under this condition Terminal number 2 is at ground potential The Signal Clip LEDs will continue to show input a
19. the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus Only use attachments accessories specified by the manufac turer Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped Domestic and International Listings UL and CSA Listed IMPORTANT CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO PREVENT THE RISK OF ELEC TRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL The lightning flash with arrowhead sym bol within an equilateral triangle is intended to alert the user to the pres ence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equi lateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompa nying the appliance Contents
20. ules should slide in easily Output modules can only be installed in bays 7 amp 8 Output modules will not CAUTION fit in bays 1 6 DO NOT FORCE MODULES Output modules have 8 contacts on each side of connector e Input modules have 6 contacts on each side of connector e Older style Bogen D Series input modules 4 1 2 in length are not usable in any Power Vector amp Output Modules Functionality The Wall Mount Power Vector series of amplifiers accepts Bogen plug in output modules which offers a cost effective and convenient way to add specific signal processing capability into a system When an output module is installed the mix bus signal is automatically rerouted through the output module whose capabilities further process the signal before it enters the power amplifier section Up to 2 output modules can be installed in a Power Vector amplifier using module bays 7 amp 8 these bays also accept input modules When two output modules are installed their signal processing effects are cascaded The mix bus signal will first pass through the output module in module bay 7 and then through the output module in bay 8 some instances the order in which the signal processing is applied is important and can be achieved by the module installation order Output modules automatically insert themselves into the signal path between the mix bus and power amp stage so no further connections are required beyond simpl
21. use becomes defective will be repaired or replaced by Bogen at our option provided the product is shipped insured and prepaid to Bogen Factory Service Department 50 Spring Street Ramsey NJ 07446 USA The product will be returned to you freight prepaid This warranty does not extend to any of our products that have been subjected to misuse improper storage neglect accident improper installation or have been modified or repaired in any manner that Bogen believes may affect the reliability of the product or where the 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 MER CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED AND EXCLUDED Bogen s 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 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 arising out of the manufacture sale or supplying of products even if Bogen has been advised of the possibility of such damages or losses Products that are out of warranty will also be repaired by th
22. y inserting the modules Most Bogen output mod ules include an unbalanced Hi Z input This input feeds directly to the amplifier s mix bus through the front level control for the particular module bay and is not processed by the output module directly The input is includ ed so that the additional input function of the module bay is not forfeited when an output module is installed Input Modules Functionality Priorities The Wall Mount Power Vector series of amplifiers accepts Bogen s new advanced plug in input modules which provide a wide range of input types allowing the amplifier inputs to be custom configured in both type and num ber for a particular application Input modules can be installed in any of the 8 module bays and do not have to be installed in any particular bay order The front panel volume control for that number bay will control the mix level of that input module In addition to a host of module specific features each input module has a priority jumper section for creating a priority hierarchy between different inputs installed in the amplifier The Wall Mount Power Vector series of amplifiers allows inputs to be prioritized at four different levels The Bogen input modules contain circuitry that can cause their outputs to be muted in response to higher priori ty control signals from other input modules Each input module also contains circuitry that sends a mute con trol signal out to other modules when it becomes active al
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