Ghost Acoustic/MIDI system User Manual Download Page 25 | Manualshive

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23

Control Knobs

A  set  of  three,  stacked  rosewood  and  brass  knobs
is  available  from  Graph  Tech  as  a  separate  item,
with  a  1/16”  hex  key  included  for  installation.
Or  you  can  provide  your  own  knobs.  Secure  the
knobs  onto  the  pot  shafts  by  means  of  the  set
screws.  Leave  a  little  clearance  between  the  inner
and  outer  knobs  so  that  they  turn  independently.

Pot Shaft Diameters:

outer, 0.236” (6.0mm); inner, 0.139” (3.5mm)

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Summary of Contents for Acoustic/MIDI system

Page 1: ...Acoustic MIDI System Be the band User Guide ...

Page 2: ...attery Connector INSTALLATION Locating ghost Components Tools Required Do not ﬁle saddles Saddle Pickups Pagoda Shim Putting plugs onto pickup wires Installing Hexpander 13 pin jack Mounting the Tone Control Variable Control Layouts Control Knobs Wiring Connections Diagram TECHNICAL DETAILS Component Dimensions Mounting hole diameters Part Numbers ...

Page 3: ...saddle pickups turn the vibrations of the strings into electrical signals that drive both of the ghost Acoustic MIDI modules the Hexpander MIDI inter face and the Tone Control adjustable acoustic preamp The ghost Acoustic MIDI system was developed for Carvin s highly popular NS 1 chambered solid body acoustic guitar and now is available for use in other applications It is suitable for both nylon s...

Page 4: ...DI systems installs without any soldering The pickups modules switches and jacks plug into each other with small computer style connectors This makes the system easy to install and allows you to conﬁgure it to your needs J27 J26 J25 J24 J22 2 ...

Page 5: ...e Both types of saddles ﬁt in an 1 8 3 2mm saddle slot and are slightly oversized to permit sand ing to a snug ﬁt The plastic connectors are not attached when you receive the pickups so that you can pass the wire through a 7 64 hole in the bridge and attach the connector afterwards dimensions 0 130 3 3mm thick 0 385 9 8mm wide and 0 236 6 0mm high standard wire length 9 230mm 3 ...

Page 6: ...agoda Shim goes in the saddle slot and pro vides six steps at diﬀerent heights for the saddles to sit on resulting in an 18 radius For guitars with ﬂat ﬁngerboards the Pagoda Shim is not used 4 Thesteppedroofs ofapagoda ...

Page 7: ...alled with the Tone Control TraktionTM Switch The TraktionTM Switch selects between two output curves to optimize tracking for your converter and playing style The TraktionTM switch is located in the slot below the 13 pin jack and slides left for Roland and right for Axon For converters by other manufacturers try both settings and use the one that tracks best 5 ...

Page 8: ...nector The Acoustic MIDI system includes a plug in wir ing harness with the 1 4 output jack and a 9v battery connector A metal battery holder with self adhesive backing is also provided Program Up Down Switch optional The program selector QuickSwitch scrolls up or down through the MIDI patches Modular plug connects to the Hexpander or Tone Control bus bar without soldering The Up Down Switch is op...

Page 9: ... modiﬁcation of the instrument including holes through the sound board for the pickup wires and preamp controls and a hole in the side for the 13 pin jack If you re uncomfortable with any of the steps in this manual please ﬁnd a qualiﬁed guitar technician to do the work for you 7 ...

Page 10: ...ns that are convenient for you and look for space conﬂicts with structural parts on the inside of the guitar Make sure that the harness wires are long enough to reach the location of each component Re member that any of the optional controls can be added to the system later if you ve left space for it but drilling a hole in the wrong place can be hard to hide Some routing may be required to ﬁt the...

Page 11: ...Tools Required 9 Electric drill and bits 5 16 12 long recommend ed 9 32 1 4 7 64 1 16 Square ﬁle for 13 pin jack hole Phillips screw driver for mounting 13 pin jack X Acto knife masking tape ...

Page 12: ...d the encapsulated pickup and change the output unpredictably Ifyouneedtoadjusttheheightofanindividualstring eithercarefullyﬁlethePagodaShim orﬁlethebottom of the saddle being careful not to damage the wire Thesaddlescanbesandedtoadjustthethicknesstoﬁt a1 8 3 2mm saddleslot andthewidthcanbeﬁled or sanded to accommodate narrower string spacings 10 ...

Page 13: ...sed The saddle pickups sit on the bottom of the saddle slot The saddles pickups ﬁt in a 1 8 3 2mm saddle slot They are slightly oversized to permit sanding to a snugﬁt Eachsaddleismarkedwithadottoorientthe pickup properly This dot must face towards the fret board so that the pickup senses the string optimally 11 ...

Page 14: ...or steel string guitars and other guitars with ra diused ﬁngerboards the Pagoda Shim lies in the bottom of the saddle slot and the pickup saddles sit on top of it You may need to rout your saddle slot deeper to accommodate the pagoda shim The pickup saddles should not protrude more than 1 3 of their height out of the saddle slot ItispossibletosandthePagodaShimthinner butitisvery delicate so if you...

Page 15: ...e plastic housing will engage the crimps when they are fully inserted If you need to remove the housing care fully lift both catches at the same time us ing an X acto knife with a prying motion and withdraw both crimps at the same time 13 ...

Page 16: ...le Aircraft plywood is availableatmosthobbyshops andcanbestuckonus ingregularwoodglue white orcarpenter sglue yel low Allow 24 hours to dry before cutting or drilling For mounting the Hexpander output on the edge of the instrument the integral 13 pin jack requires If your body depth is large enough mount the 13 pin jack plate with the long dimension across the depth of the side This will make for ...

Page 17: ... there is room for the Hexpander behind it and that the ribbon cablewillreachfromheretotheToneControlModule 15 13 pin Jack Template Thesizeandplacementofthisholecanbedetermined using the full size template on the following page This space intentionally left blank for reverse of template ...

Page 18: ...13 pin Jack Template Cut out this full sized template and use it to mark the location of the holes to drill for mount ing the 13 pin jack on the edge of your guitar 16 ...

Page 19: ...g a center punch and a small hammer Using an X Acto knife slice through the template along the edges of the inner rectangle etching lines in the lacquer to mark the edges of the mounting hole Remove the template and make sure these lines connect in the corners this prevents your lacquer from chipping beyond the scratched lines when you begin drilling 17 ...

Page 20: ... the four holes for the mount ing screws in the outer most marks to a depth of 1 4 Make these holes perpendicular to the sur face Using the 7 64 bit drill the inner four marks deﬁning the four corners of the mounting hole 18 ...

Page 21: ...Using a 5 16 bit drill holes within the inner rect angle to remove most of the wood in the cavity 19 ...

Page 22: ... ingwoodtoedgesofthemarkedrectangle Becareful nottoenlargethemountingholebeyondthelines as the jack plate ﬁts quite precisely to these dimensions Remember this cavity does not have to be neat and smooth asitwillbehiddencompletelybythejackplate 20 ...

Page 23: ...uitartop To achieve an aesthetically pleasing control layout remove the nuts and washers from the three pots and lay the washers on the guitar top Slide them around until they look just right keeping the outer two 2 1 2 63 5mm apart to mount the Tone Con trol Module The placement of the third hole is lim The two outer pot shafts are ﬁxed to the Tone Control Module but the middle pot is on a wir in...

Page 24: ...ommodate the two pots that are mounted on the Tone Control s PC Board ited by the wiring harness on the middle pot and placement of the Tone Control itself Check inside the guitar to make sure there are no obstructions and that the harnesses to the other components are long enough to reach Mark the location of the holes on the top through the centers of the wash ers then remove the washers and set...

Page 25: ...parate item with a 1 16 hex key included for installation Or you can provide your own knobs Secure the knobs onto the pot shafts by means of the set screws Leave a little clearance between the inner and outer knobs so that they turn independently Pot Shaft Diameters outer 0 236 6 0mm inner 0 139 3 5mm ...

Page 26: ...J27 J26 J25 J24 J22 24 Wiring Connectons Diagram ...

Page 27: ... 25 ...

Page 28: ... Jack 3 8 11 9mm Component Dimensions Hexpander 1 3 16 x 2 1 2 30 2 x 63 5mm Tone Control 1 x 3 1 2 x 5 8 25 4 x 89 x 15 9mm Mounting Hole Diameters Part Numbers BS 0077 00 Pagoda Shim BN 9277 OE Acoustic Saddles BD 0477 00 Hexpander BD 0077 00 OEMTone Control BN 0180 00 Program Selector Switch 26 ...

Page 29: ...27 INSTALLATION NOTES ...

Page 30: ...28 NEW SOUND DISCOVERIES ...

Page 31: ...29 FRIENDS WHO VE GOT TO SEE THIS ...

Page 32: ...www graphtech com sales graphtech com ...

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