Knoll Systems GSZ44 User's Manual
Contents
1. 8 Channel Eco System Controller Amplifier Installation Instructions v1 2 Important Safety Instructions 1 Read these instructions 2 Keep these instructions 3 Read all warnings 4 Follow all instructions 5 Do not use this apparatus near water 6 Clean only with dry cloth 7 Do not block any ventilation openings Install in accordance with the manufacturer s instructions 8 Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat 9 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 prongs are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of t2. 5mm jack Connect infrared to IR54 or IR55 connection block Do not connect has 12 VDC 100 mA max an emitter directly without a 220R resistor in series or the emitter on it when any zore is active will fail after a short time IR All is the output from all four keypad slots Knoll Systems 145 Tyee Drive Point Roberts WA 98281 12140 Horseshoe Way Richmond BC V7A 4V4 Tel 604 272 4555 lt knoll fax 604 272 5595 Made in Canada
3. again to exit the equalization mode To go back to a flat frequency response enter the equalization mode again and when in this mode with the source leds going in a clockwise direction press the MUTE button The equalization is now flat Again to exit this mode press the FNC mode and Knoll Systems service information The GSZ44 amplifier does not contain any user serviceable parts inside If you suspect a problem that may require servicing contact us at www knollsystems com contact html or by phone at 800 566 5579 It is extremely important that only an authorized service dealer make any repairs This will ensure proper service and preserve the protection of your warranty Keep your receipt in a safe place so that it will be available to verify the purchase date should you experience a problem covered by Knoll System s warranty Troubleshooting Your Knoll amplifier is designed from trouble free operation If you follow the instructions in this manual you should enjoy many years of high quality listening enjoyment However as with any sophisticated device there may be occasional problems upon initial installation or during the life of the amp The items on the list below are a brief guide to the minor problems that you may be able to correct yourself If these solutions do not help or if the problem persists contact us for assistance at 1800 566 5579 in Canada or the USA or 604 272 4555 We are in the Pacific time zone 10 Proble
4. limited warranty shall apply only to the first person or entity that purchases the Product for personal or business use and not for the purpose of distribution or resale Said warranty shall continue for a period of three years from the date of such purchase Knoll does not warrant that the Product will meet the specific requirements of the first person or entity that purchases the Product for personal or business use Knoll s liability for the breach of the foregoing limited warranty is limited to the repair or replacement of the Product or refund of the purchase price of the Product at Knoll s sole option Replacement Product may be re furbished in like new condition at Knoll s sole discretion To exercise the Purchaser s rights under the foregoing warranty the Product must be returned at the Purchaser s sole cost and expense to Knoll or to any authorized Knoll service center provided and the Product must be accompanied by a written letter explaining the problem and which includes i proof of date of purchase ii the dealer s name and iii the model and serial number of the Product When sending your unit in for repair please ship your unit in its original packing material or a Knoll approved ATA Shipping Case or have a professional packaging company pack the unit Please insure your shipment for its full value A return authorization number issued by the Knoll customer service department must also be clearly displayed on the o
5. voltage and under voltage The protection circuitry automatically restores the amplifier channel as soon as its parameter returns to the safe operating area O Individual bass and treble adjustment Each channel features adjustments so installers can preset the room for speaker differences and listener preferences O External trigger The GSZ44 can turn on and off source components with its 12vdc trigger output O Infrared controller ports Each zone or room has its own infrared output jack An all zone jack is also provided O Zone 1 has line level outputs so more powerful power amplifiers can be connected to this output The line level output is controlled as to volume bass treble and source selection Unpacking The carton and packing materials used in shipping your new amplifier were specially designed to protect it from the shock and vibration of shipping We suggest that you save the carton and packing materials to use if you move or if the unit ever needs to be shipped back to us for any reason Should you discover that your amplifier has been damaged during shipping please contact your dealer or Knoll immediately and request the name of the carrier so a written claim can be made The right to a claim against a public carrier can be forfeited if the carrier is not notified immediately in writing and if the shipping carton and packing materials are not available for inspection by the carrier Save all packing materials until
6. E PRICE PAID BY PURCHASER AND UNDER NO CIRCUMSTANCES SHALL KNOLL BE LIABLE FOR SPECIAL INDI RECT INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOST PROFITS LOST REVENUES OR LOST SAVINGS THE PRICE STATED FOR THE PRODUCT IS A CONSIDERATION IN LIMITING KNOLL S LIABILITY NO ACTION REGARDLESS OF FORM ARISING OUT OF THE AGREEMENT TO PURCHASE THE PRODUCT MAY BE BROUGHT BY PURCHASER MORE THAN ONE YEAR AFTER THE CAUSE OF ACTION HAS ACCRUED 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 LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHT WHICH VARIES FROM STATE TO STATE Copyright 2006 2007 Knoll Systems All Rights Reserved Knoll Systems 12140 Horseshoe Way Richmond BC V7A 4V5 Canada 145 Tyee Drive point Roberts WA 98281 USA www knollsystems com Line level outputs give zone 1 Connect the sources via Connect these RJ45 connectors to the ability to connect to more good quality gold RCA jacks MR40 Keypad powerful amplifiers Both are to inputs 1 through 4 volume amp source controlled Source Inputs Connect room Zore 1 3 speaker to D Outputs Or OL Bower let CT O29 amp 96 2e0 CLL e 0000 connection 12 16 gauge initie omin R FR on Koya Kys key PT R2 R3 R4 IRAI Observe wire preferred SPEAKERS 1 SPEAKERS 2 SPEAKELSS SEAKS 4 z AES 120 V ge 60 Hz Trig mono 3
7. d may damage your speakers Some quality RCA plugs may be very tight and it is important to secure a proper connection between the interconnection cable and the input jack We suggest starting with the input gains on the rear of the GSZ44 set to mid position After it is installed and being tested these gains are use to set the different source input levels so they are roughly the same Some sources such as DVD playes have a very high output and may cause t he GSZ44 to send clipped signals to the speakers even at low volume levels so we suggest lowering the input gains of that input in this case to stop the clipping Speaker connections The GSZ44 has four stereo 30 watts per channel amplified outputs Channel 1 also has line level outputs to connect to larger powered amplifiers To ensure that the high quality signals produced by your amplifier are carried to your speakers without loss of clarity or resolution Knoll advises that you use high quality speaker wire Many brands of wire are available the choice may be influenced by the distance between your speakers and the amplifier the type of speakers you use personal preferences along with other factors Regardless of the brand or type of speaker wire chosen we suggest that you use a wire constructed of fine multi strand copper with a gauge of 16 or less the lower the number the thicker the cable Wire with a gauge of 16 may be used for short runs of less than 12 feet We do not recom
8. e use brown future use white brown Infrared orange ground white blue 12 vdc blue future use white orange SDA green SCL white green Run CATS wire from the keypad location to the GSZ44 location for each keypad It isn t a bad idea to run a second cat5 wire run to each location to leave the installation more future proof and reliable Leave an extra 1 m or 3 feet on each side to make it easier to work on Add a RJ45 connector of the right type for the CATS wire you have selected not all CAT5 wires are the same and crimp the connector to the wire on each side Plug the RJ45 s into the MR40 and correct GSZ44 ports Note MR40 keypads do not require any programming Infrared connections On the rear of the GSZ44 there are four infrared pass though ports Each of the 1 through 4 corresponds to the keypad port next to them For example IR port 3 is the infrared output for keypads connected to KEYPAD 3 The infrared ALL is the combination of all of the four keypad ports Using this method of infrared routing you can have six sources the same like 6 identical AM FM tuners one for each zone and they can be controlled individually in each room Each port can control up to 8 devices using 4 of our optional IR34a emitters and one IR55 connection block Each infrared port is a standard 3 5mm mono jack Infrared Selection The MR40 keypads have a very small switch on the rear labeled 38K and 56K Almost all infrared remotes
9. eaker manufacturers follow industry convention of using red terminals for positive connections and black terminals for negative some manufacturers may vary from this configuration To ensure proper phase connections and optimal performance consult the identification plate on our speaker terminals or the speaker s manual to verify polarity Contact the speaker s manufacturer if you do not know the polarity of your speakers Keypad Connection The GSZ44 outputs are be controlled by the MR40 keypad and a Knoll RB8 remote control Only one MR40 keypad can be used in a zone Note MR40 keypads are not designed for outdoor use high humidity high temperatures or any extremes The MR40 contains an almost all brand infrared repeater and most functions can be controlled by the Knoll RB8 remote control RB8 commands can easily be stored in a learning remote The MR40 is connected to the GSZ44 with CAT5e or CAT6 wire Each keypad needs to have a home run on one wire Each room or zone has a unique IR pass thru port as indicated on the rear of the GSZ44 In addition there is an all room IR pass thru port All eight of the CAT5 wire conductors are used Note It is very important to use a top quality RJ45 8 8 crimper tool We strongly suggest using a cat 5 RJ45 electronic tester to verify the wire conductors We recommend the T568A wiring method which is shown below The functions of each wire connection are also shown futur
10. ide Refer to qualified service personnel Warning To reduce the risk of fire or electric shock do not expose this appliance to rain or moisture A N The lightning flash with arrowhead within an equilateral triangle is h intended to alert the user to the presence of uninsulated dangerous voltage within the products that may be of sufficient magnitude to constitute a risk of electrical shock to persons The exclamation point within an equilateral triangle is intended to alert _ the user to the presence of important operation maintenance servicing instructions in the literature accompanying the appliance Note It is very important to use a top quality RJ45 8 8 crimper tool We strongly suggest using a cat 5 RJ45 electronic tester to verify the wire conductors Introduction Thank you for your purchase of a Knoll GSZ44 8 channel controller amplifier and congratulations on your choice The GSZ44 features four deluxe digital volume controlled stereo amplifiers with individual four source selection This is Knoll s fourth generation of multi channel high quality power amplifiers The GSZ44 is designed to meet the amplifier needs of custom installed multi zone systems where high quality sound is a specific requirement Each of the four zones or rooms can select any of the four inputs with individual volume control bass and treble Extras such as an external voltage trigger that can turn source equipment on and
11. ime 14 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 15 Under no circumstances should the output terminals of the amplifier be short circuited 16 Be sure that the loudspeakers connected can handle the output power of the amplifier at the loudspeakers rated impedance The warranty on the amplifier does not cover damage to loudspeakers that have inadequate power handling capabilities 17 Where an all pole MAINS SWITCH is used as the disconnect device the location on the apparatus and the function of the switch shall be described and the switch shall remain readily operable 18 A push button is used to turn the power off and on 19 When the front panel push button switch is in the in position the apparatus is powered on CAUTION These servicing instructions are for use by qualified service personnel only To reduce the risk of electric shock do not perform any servicing other than that contained in the operating instructions unless you are qualified to do so Note Where the mains plug or an appliance cover is used as the disconnect devise the disconnect devise shall remain readily operable WARNING This product may contain chemicals including lead k
12. ly thing to program is the bass and treble for each room Volume up explained below and down Shut off this room or shut off whole house press for 5 seconds Blinks when bass or treble is at max or min To turn off the zone either push the keypad button labeled off or the off button on the RB8 remote control To turn on the zone on either press the source button or the off button on the remote or keypad If you press the OFF button the zone will go back to the source selected when it was last shut off In either case the zone goes to a preselected mid low volume not necessarily the volume selected when it was last shut off To adjust the volume press the volume switch up or down as desired The relative volume is shown in the led displays on the top To temporarily mute the output press the mute button on either the remote or keypad It mutes the output in this room Equalization if required Equalization cannot be performed from the remote control To enter the equalization mode press the FNC button The four source button will have their led s running in a circular motion To raise the bass output in this room only push and hold the source 1 button until the desired effect is achieved When the maximum bass is selected the OFF button will blink Do the same with bass down treble up and treble down The parameters selected go into memory and are retained even if the power to the system is turned off Press the FNC button
13. m Solutions Amplifier won t turn on Master power switch turned off No power light LED Turn on Master Power Switch Amplifier turns on but no audio Input plugs not connected to proper jack or are loose from one or more channels Check input connections No audio from one or more Speakers are not connected properly Check speaker Channels connections at amp and speaker Audio levels differ from sources Improper settings or output levels from source device Check the settings on your preamp processor or controller Also verify gain settings on the source inputs on the GSZ44 rear panel Audio plays and then cuts off Amplifier may be shorted Check speaker connections for short circuit at amp and speaker Care maintenance and cleaning When the GSZ44 amp becomes dirty wipe it with a clean dry soft cloth If necessary first wipe the surface with a slightly dampened soft cloth with mild soapy water then with a fresh cloth dampened with clean water Wipe dry immediately with a dry cloth NEVER use benzene thinner alcohol or any other volatile cleaning agent Do not use abrasive cleaners as they will damage the finish of the metal parts Avoid spraying insecticide waxes polishing agents or any aerosol product near the GSZ44 Limited Warranty Knoll Systems Inc Knoll warrants that each GSZ44 and MR40 the Product sold hereunder will conform to and function in accordance with the written specifications of Knoll Said
14. mend that you use any wires with an AWG equivalent of 18 or higher due to the power loss and degradation in performance To connect the amplifiers to your speakers a removable plug with screws is provided for each stereo channel output Strip approximately 1 4 inch of insulation from the end of each wire and carefully twist the strands of each conductor together Be sure not to cut the individual strands or twist them off All strands must be used for optimal performance Insert the wire into the plug and screw the screws very tight Inspect that no wire hairs that can short circuit are not in the plug Correct polarity connections are important to maintain proper speaker phasing When speaker phasing is correct all speakers move in and out at the same time preserving the imaging of the program material Out of phase connections mean that some turn off check your speakers to verify that they are operating properly If all other potential sources of trouble check out properly contact Knoll for further assistance Run the cables to speaker locations Do not coil any excess cable as this may become an inductor that creates frequency response variations in your system Lastly connect the wires to the speakers again being aware of proper polarity Remember to connect the negative or black wire to the matching terminal on the speaker The positive or red wire should be connected to the matching terminal on the speaker Note While most sp
15. nown to the State of California to cause birth defects or other reproductive harm Wash hands after handling FCC Warning Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help Canada This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada Caution To reduce the risk of electrical shock do not remove the cover or back No user serviceable parts ins
16. off individual zone infrared outputs and many more features give the GSZ44 exceptional value when installed in homes and large complex systems Except for the power button all controls are rear mounted A data port is provided for ganging multiple GSZ44 s Infrared signals can be relayed from the keypads to the source equipment The GSZ44 is controlled by MR40 keypads O Four input source selection Each of the four stereo amplifiers is provided with four input source selection Selection volume level bass and treble is made on MR40 keypads or a Knoll remote control or a programmed remote control Rooms can have different source selections volumes etc O Four internal 80 position stereo volume controls The four zones each require a MR40 keypad The Knoll RB8 remote control or a programmed remote control in conjunction with the MR40 keypad can control each zone The keypads are typically mounted in the room with the speakers and they control amplifier power on off volume up down and mute as well as source selection O Cost and size efficiency The GSZ44 consists of a total of 8 power amplifiers in one 3 1 2 high enclosure two rack spaces Each power amplifier channel can deliver 30 watts RMS with peaks of 60 watts Because of its unique design the GSZ44 delivers exceptional value O Automatic protection circuitry Each GSZ44 amplifier channel is individually and fully protected against low impedance overheating overloading over
17. the claim is settled GSZ44 placement During normal home operation the amplifier will become warm However there are instances during high level playback into low impedance speakers when the amplifier will become much warmer than normal To ensure the amplifier s trouble free operation it is necessary to provide adequate ventilation Your amplifier should be kept away from external sources of heat such as radiators and hot air ducts The amplifier should never be placed with other heat producing components in a cabinet or enclosure lacking free airflow Do not stack other components on top of your amplifier Connecting your amplifier When making connections between any source components and the amplifier or when making connections to any speaker be certain that both the input devices and the amplifier are turned off Unplug all equipment before making any connections so that there will be no unwanted signal transients that can damage equipment or speakers Input connections Connecting the GSZ44 to your source equipment is straightforward Using the high quality RCA audio interconnect cables match the output channel designations on the rear of your source equipment to the input jacks on the rear panel of your amplifier that have the same channel name When making connections with RCA type plugs on interconnect cables make certain to gently but firmly insert the plug into the jack Loose connections can cause intermittent sound an
18. use 38k A few use 56k If you find your remote control does not work with our keypads we suggest you try moving the switch to 56k and see if it now works When you do this some remotes that use 38k will now not work Link connections On the rear of the GSZ44 amplifier there is a 3 5mm stereo jacks labeled LINK This port connect two GSZ44 s together so they can share certain commands such as All Off When connecting two GSZ44 s together in one system you will need 1 Up to fourteen one for each active source RCA Y patch cords 2 A 3 5mm stereo patch cord Normally the two GSZ44 s are near each other If they are far apart then balancing baluns may be required to eliminate stray noise on the lines The procedure to connect the two controller amplifiers is 1 Connect the Link jack on GSZ44 1 to the Link jack on GSZ44 2 using the 3 5mm stereo patch cord 2 Connect all of the up to four sources using short as possible good quality RCA patch cords to GSZ44 1 and GSZ44 2 source inputs Trigger output The mono 3 5mm connector on the rear of the GSZ44 supplies 12 VDC maximum 100 mA when any or all of the zones are turned on Volume display Infrared receiver Four source selection buttons MR40 Functions j ITT Treble up When the whole system is installed and Bass dow Treble down the GSZ44 is powered up each of the MR40 keypads will undergo a diagnostic and eventually turn on to source 1 ata very low level The on
19. utside of the shipping carton containing the Product Note Remanufactured Products are exempt from the foregoing Limited Warranty Please refer to the Remanufactured Product Warranty for applicable warranty information WARRANTY LIMITATION AND EXCLUSION Knoll shall have no further obligation under the foregoing limited warranty if the Product has been damaged due to abuse misuse neglect accident unusual physical or electrical stress unauthorized modifications tampering alterations or service other than by Knoll or its authorized agents causes other than from ordinary use or failure to properly use the Product in the application for which said Product is intended 11 DISCLAIMER OF UNSTATED WARRANTIES THE WARRANTY PRINTED ABOVE IS THE ONLY WARRANTY APPLICABLE TO THIS PURCHASE ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MER CHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED THERE ARE NO WARRANTIES THAT EXTEND BEYOND THE FACE HEREOF AND THE FOREGOING WARRANTY SHALL NOT BE EXTENDED ALTERED OR VARIED EXCEPT BY WRITTEN INSTRUMENT SIGNED BY KNOLL SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY MAY LAST SO SUCH LIMITATIONS MAY NOT APPLY TO YOU LIMITATION OF LIABILITY IT IS UNDERSTOOD AND AGREED THAT KNOLL S LIABILITY WHETHER IN CONTRACT IN TORT UNDER ANY WARRANTY IN NEGLIGENCE OR OTHERWISE SHALL NOT EXCEED THE RETURN OF THE AMOUNT OF THE PURCHAS
Download Pdf Manuals
Related Search