USER`S MANUAL - Primova Sound - GK
Contents
1. MIDI The 13 pin output is to be connected to a guitar synthesizer compatible with Roland GR 55 VG 99 GR D GR S or earlier synthesizers 13 PIN CONNECTORS The 13 pin connectors are soldered to the printed circuit board Please do not use more force or violence than required GKMX 41 Guitar selector POWERING UNIT The GKMX device and can be powered by the synth unit However in this mode there isa small risk that the total current could lead to clipping distortion or possible unit failure A second safer method is to connect a 12VDC adapter rated 0 8 1 5A with a 2 1 mm plug not included In this mode there s no current drawn from the synth unit The adapter will provide enough current to power the GKMX unit and any connected 13 pin guitar To be on the safe side we recommend the following 1 IFYOU ARE CONNECTING MORE THAN TWO 13 PIN GUITARS ALWAYS USE A 12VDC ADAPTER rated 0 8A 1 5A WITH THE GKMX 42 2 MAKE SURE THAT THE CENTER HOLE OF THE 12VDC CONNECTOR IS 0V AND THE SLEEVE IS 12VDC OTHERWISE PROTECTIVE COMPONENTS INSIDE THE GKMX DEVICE MAY GET DAMAGED 3 IF THE LAMPS LEDS DO NOT IMMEDIATELY LIGHT UP WHEN CONNECTING THE ADAPTER REMOVE THE PLUG AND VERIFY THE VOLTAGE AND POLARITY Technical information Available supply current Roland guitar synth 200 mA Loads Maximal GKMX internal power consumption 40 mA GK 3 or GK KIT maximal power consumption guitar 30 mA each Calculation on fo2. the same channel the two sounds will be mixed together 1 lt lt g lt g lt A OUTPUT CONNECTOR GK OUT The output 13 pin connector is to be connected to a 13 pin compatible guitar synthesizer If an external 12DC adapter is not connected the synthesizer will power the device and the guitars Read the section Powering the unit for further information The recommended max total 13 pin cable length including cable between guitar and GKMX 41 and cable from GKMX 41 to the synthesizer is 10 meters INPUT AND OUTPUT CONNECTIONS SEND RECEIVE JACKS Prior to the selected normal guitar pickup signal GTR gets to the output devices it is also available at the SEND jack The RECEIVE jack has a buffered input stage and is connected to the GTR signal of the output devices If the RECEIVE jack is not used the signal goes directly from SEND to RECEIVE internally These jacks allow you to Insert optional effect pedals before the regular guitar pickup signal GTR gets to the synthesizer Connect SEND to optional effect pedals and further to a guitar amplifier bypassing the synthesizer analog digital circuitry There are indications that the GR 55 introduces a bit of digital noise By using this jack this problem is eliminated Use the hexaphonic pickup for various guitar sound emulations in the synthesizer i e GR 55 GR D GR S etc and then connect th
3. GKMX 41 GUITAR SELECTOR HOI SOUND USER S MANUAL Rev 2013 11 05 Copyright Primova AB 2013 GKMX 41 Guitar selector Table of contents GKMX 41 Guitar selector 3 INTRODUC HON E 3 J Keel on te 3 POWERING TIP UNIT u u i Z E 4 USING THE DEVICE WITHOUT A SYNTHESIZER 4 INPUT AND OUTPUT CONNECTIONS u uuu u Erer E EE 52 5 INPUT GK CONNECTORS AND INPUT GUITAR JACKS 5 OUTPUT CONNECTOR E 5 RECEIVE JACK eet 6 CONTROLS E E EN EET E E E EE 7 SEE FOOT S VITE E 7 S FOOT WITCH E 7 GKMX 41 Guitar selector SH GKMX 41 Guitar selector INTRODUCTION The GKMX 41 stomp box is a four channel switching device for 13 pin GK equipped guitars as well as standard guitars The unit allows you to quickly grab a new guitar hit the foot switch and take off with the next song in a live situation The device is sturdy and within a small footprint 170x120 mm The 13 pin inputs are compatible with Roland GC 1 or any other 13 pin GK 3 GK 2 or GK KIT equipped guitar Note For standard guitars connected to one of the input jacks only the regular pickup signal will be available to the output synthesizer unit This unit does NOT convert regular pickups to
4. IABLE FOR DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR THE INABILITY TO USE THE GMX UNIT EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES IN PARTICULAR PRIMOVA IS NOT RESPONSIBLE FOR ANY COSTS INCLUDING BUT NOT LIMITED TO THOSE INCURRED AS A RESULT OF LOST PROFITS OR REVENUE LOSS OF USE OF THE GKMX PRODUCT LOSS OF DATA THE COST OF SUBSTITUTING THE GKMX UNIT OR ANY CLAIMS BY THIRD PARTIES Copyright Primova AB Sweden 2013 PRIMOVA AB Kurlandaall n 21 68151 Kristinehamn Sweden www primovasound com sound primova se CONTROLS eo
5. e Guitar out or Left or Right synth output to the RECIEVE jack and then use further COSM processing in the synthesizer i e GR 55 as if the simulated GTR signal was coming directly from you guitar A e RECEIVE SEND RECEIVE SEND INPUT AND OUTPUT CONNECTIONS CONTROLS SEL FOOT SWITCH The SEL footswitch is used to select one of the input channels This switch will cycle through the input channels when engaged A miniature rocker switch located on the rear panel allows you to select the maximum number of inputs for cycling Select 2 3 or 4 guitars This allows you to use a mix of up to four GK equipped and or regular guitars on stage easily selectable with a stomp of your foot S1 S2 FOOTSWITCHES The footswitches 51 and 52 allows you to switch patch or whatever operation associated by the synthesizer using your foot even though a regular non GK guitar is currently selected CONTROLS WARRANTY PRIMOVA AB WARRANTS THE GKMX PRODUCT FOR ONE YEAR TWO YEARS IF INSIDE EU LIMITATION OF LIABILITY AND WARRANTY NO WARRANTIES OF DAMAGES TO CONNECTED EQUIPMENT OR CABLES NO WARRANTIES IF UNSUITABLE VOLTAGE HAS BEEN APPLIED TO CONNECTORS PRIMOVA AB ONLY WARRANTS THE GKMX UNIT ITSELF CONNECTING GKMX UNIT OR THE GKMX BOARD TO OTHER COMPONENTS SUCH AS GUITARS OR SYNTHESIZERS IS AT OWN RISK IN NO EVENT WILL PRIMOVA BE L
6. ur connected GK 3 guitars 40 4 x 30 160mA i e less than 200mA which is OK Only the GK3 pickup type has been measured Other pickups may consume much more power If you don t know the power consumption of your 13 pin guitar you should follow our recommendation shown above and connect a 12VDC adapter USING THE DEVICE WITHOUT SYNTHESIZER Ifthe device is powered by a 12VDC adapter it allows you to use this device also for gigs where you choose not to bring your guitar synthesizer Just connect the SEND jack to a regular guitar amplifier and play the selected GK or regular guitar GKMX 41 Guitar selector O INPUT AND OUTPUT CONNECTIONS INPUT GK CONNECTORS AND INPUT GUITAR JACKS The unit supports up to four connected guitars Each input channel has two input connectors one Roland 13 pin GK compatible connector and one regular guitar jack The jack inputs are buffered and mixed into the GTR signal chain to the output devices 1 Aregular guitar may be connected to the input guitar jack of the channel 2 13 GK Ready guitar may be connected to the GK input of the channel 3 Fora GK 3 guitar the 2CM two cable method may be used connecting the regular guitar pickups straight to the input jack using a separate guitar cable and connecting the GK hex pickup to the input GK connector using a 13 pin cable Note If both channel inputs are used at the same time i e connecting both a GK guitar and a regular guitar at
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