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HC-51/U http://www.kvg-gmbh.de/assets/uploads/files/product_pdfs/XS71xx.pdf Crystal THT HC-33/U, http://pdi.bentech-taiwan.com/PDI/GEN20SPEV20HC3320U.pdf Crystal, Quarz, HC35/U, http://www.kvg-gmbh.de/assets/uploads/files/product_pdfs/TO71xx.pdf Crystal THT HC-33/U, http://pdi.bentech-taiwan.com/PDI/GEN20SPEV20HC3320U.pdf Crystal, Quarz, HC35/U, http://www.kvg-gmbh.de/assets/uploads/files/product_pdfs/TO71xx.pdf Crystal THT C38-LF 8.0mm length 3.0mm diameter Crystal THT HC-52/6mm, http://www.kvg-gmbh.de/assets/uploads/files/product_pdfs/XS71xx.pdf Crystal THT DS10 1.0mm diameter http://www.microcrystal.com/images/_Product-Documentation/03_TF_metal_Packages/01_Datasheet/DS-Series.pdf Crystal THT HC-18/U http://5hertz.com/pdfs/04404_D.pdf Crystal THT HC-49/U http://5hertz.com/pdfs/04404_D.pdf Crystal THT HC-49/U http://5hertz.com/pdfs/04404_D.pdf Crystal THT HC-33/U, http://pdi.bentech-taiwan.com/PDI/GEN20SPEV20HC3320U.pdf Crystal, Quarz, HC35/U, http://www.kvg-gmbh.de/assets/uploads/files/product_pdfs/TO71xx.pdf Crystal THT HC-49-4H http://5hertz.com/pdfs/04404_D.pdf Crystal THT DS15 5.0mm length 1.5mm diameter http://www.microcrystal.com/images/_Product-Documentation/03_TF_metal_Packages/01_Datasheet/DS-Series.pdf Crystal THT DS10 1.0mm diameter http://www.microcrystal.com/images/_Product-Documentation/03_TF_metal_Packages/01_Datasheet/DS-Series.pdf Crystal THT DS26 6.0mm length 2.0mm diameter http://www.microcrystal.com/images/_Product-Documentation/03_TF_metal_Packages/01_Datasheet/MS1V-T1K.pdf SMD Watch Crystal MicroCrystal CC8V-T1A/CM8V-T1A series https://www.microcrystal.com/fileadmin/Media/Products/32kHz/Datasheet/CC8V-T1A.pdf, 2.0x1.2mm^2 package SMD Crystal Seiko Epson MC-146 https://support.epson.biz/td/api/doc_check.php?dl=brief_MC-156_en.pdf, 6.7x1.5mm^2 package SMD Crystal Oscillator Seiko Epson SG-8002CA https://support.epson.biz/td/api/doc_check.php?mode=dl⟨=en&Parts=SG-8002DC, hand-soldering, 10.5x5.0mm^2 package SMD Crystal HC-49-SD http://cdn-reichelt.de/documents/datenblatt/B400/xxx-HC49-SMD.pdf, 11.4x4.7mm^2 package SMD Crystal HC-49-SD http://cdn-reichelt.de/documents/datenblatt/B400/xxx-HC49-SMD.pdf, hand-soldering, 11.4x4.7mm^2 package SMD Resomator/Filter Murata CSTLSxxxG, http://www.murata.com/~/media/webrenewal/support/library/catalog/products/timingdevice/ceralock/p17e.ashx, length*width=8.0x3.0mm^2 package, package length=8.0mm, package width=3.0mm, 3 pins Ceramic Resomator/Filter 6.0x3.0mm^2, length*width=6.0x3.0mm^2 package, package length=8.0mm, package width=3.5mm, 3 pins UFQFPN 20-lead, 3 x switching (normalling) stereo jack and switching ground contact, horizontal PCB mount, replaces NL4MD-H, NL4MD-H-1, NL4MD-H-3, https://www.neutrik.com/en/product/nl4mdxx-h-3 speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, mirrored self tapping screw holes (A-screw), vertical PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3fav2-0 A Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc4mbv A Series, 3 pole female XLR receptacle, grounding: ground contact to mating connector shell and front panel, lateral right PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fav1-da A Series, 4 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nl2md-v speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, self tapping screw holes (A-screw), vertical PCB mount, https://www.neutrik.com/en/product/nc4mah A Series, Chassis connector H female (A series layout), mates with Phoenix MSTB2,5/3-ST, horizontal PCB mount, http://cherryamericas.com/wp-content/uploads/2014/12/mx_cat.pdf Cherry MX keyswitch, 1.25u, PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc3fav2-da A Series, 5 pole female XLR receptacle, grounding: mating connector shell to pin1 and front panel, vertical PCB mount, black chrome shell, https://www.neutrik.com/en/product/nc3mbv-b B Series, 3 pole female XLR receptacle, grounding: separate ground contact connected to trigger, gate jack is normalized\nto +12 V, 10 mA -12 V ## Photos ### Photos ## Documentation: ### Documentation: * [Schematic](Docs/precadsr.pdf) * PCB layout: [front](Docs/precadsr_layout_front.pdf), [back](Docs/precadsr_layout_back.pdf) * [BOM](Docs/precadsr_bom.md.

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