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guides:geofon [2023/09/19 18:09] – mrkvaguides:geofon [2024/03/19 12:22] (current) – mrkva
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 [[http://youtu.be/J5Sb21qbpEQ | Soldering Tutorial Part by EEVblog Part 1]] & [[http://youtu.be/fYz5nIHH0iY|Part 2]] [[http://youtu.be/J5Sb21qbpEQ | Soldering Tutorial Part by EEVblog Part 1]] & [[http://youtu.be/fYz5nIHH0iY|Part 2]]
  
 +<WRAP group>
 +<WRAP half column>
 +===== Package contents =====
 +  * Geofón body, consisting of two parts, with a cable gland
 +  * Geofón element (hidden in the body)
 +  * 1,5 m polyurethane cable
 +  * M4 x 6 mm stainless bolt (in the tube)
 +  * a heat-shrink tubing (in the tube)
 +  * Neutrik XLR connector
 +  * a neodymium magnet (attached to the body)
 +  * a stainless steel spike with an extender (in the tube)
 +  * a suction cup
 +</WRAP>
 +
 +<WRAP half column>
 ===== Required tools ===== ===== Required tools =====
-For assembly of the Elektrosluch Mini City DIY kit you will need:+For assembly of the Geofón DIY kit you will need:
   * a soldering iron (at least 20 W or better)   * a soldering iron (at least 20 W or better)
   * solder (0.75 mm or 1 mm, lead-free)   * solder (0.75 mm or 1 mm, lead-free)
   * 2.5 mm Allen (hex) key   * 2.5 mm Allen (hex) key
   * 14 mm wrench (optional)   * 14 mm wrench (optional)
 +</WRAP>
 +</WRAP>
  
 ===== Building guide ===== ===== Building guide =====
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 <WRAP half column>{{:guides:geofon_diy_kit-1_large.jpeg?nolink600}}</WRAP> <WRAP half column>{{:guides:geofon_diy_kit-1_large.jpeg?nolink600}}</WRAP>
  
-<WRAP half column>1. Examine the package and check if you have all the necessary components and tools.</WRAP>+<WRAP half column>1. Examine the package and check if you have all the necessary components and tools (see the lists above).</WRAP>
 </WRAP> </WRAP>
  
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-2.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-2_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
-2. Unpack the XLR connector and the small piece heat-shrink tubing from the tube. Identify the cable end with three leads. **Slide on the XLR boot** (if you forget, you may need to desolder the connector later) on the cable and the small piece of heat-shrink tubing on the exposed twisted conductor without the insulation — this is the shielding of the cable.</WRAP>+2. Unpack the XLR connector and the small piece heat-shrink tubing from the tube. Identify the cable end with three conductors. Slide the XLR boot onto the cable (if you forget, you may need to desolder the connector later) and the small piece of heat-shrink tubing onto the exposed twisted conductor without insulation—this is the cable's shielding.</WRAP>
 </WRAP> </WRAP>
  
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-3.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-3_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
-3. Solder the provided XLR connector to the cable. You will notice it has small number markings. The exposed conductor with heat-shrink tubing shall be soldered to pin number 1, brown conductor to pin 2 and white to pin 3. Heat-shrink tubing will shrink when you will be soldering the shielding conductor. If you are not happy with the amount of shrinkage, you can use a lighter or a heat-gun to help it shrink fully.+3. Tin the exposed conductors on the cable with a bit of solder. Check the XLR connector — you'll notice it has small number markings. Solder the exposed conductor with heat-shrink tubing to pin number 1, the brown conductor to pin 2, and the white conductor to pin 3. 
  
-Technical note: The Geofón is connected as a true balanced microphone, which results in the exceptional low noise.+The heat-shrink tubing will shrink as you solder the shielding conductor. If you're not satisfied with the amount of shrinkage, you can use a lighter or a heat gun to ensure it shrinks fully. 
 + 
 +//Technical note: The Geofón is connected as a true balanced microphone, resulting in the exceptional low noise.//
 </WRAP></WRAP> </WRAP></WRAP>
  
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-4.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-4_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
-4. Assemble to connector. If you need help, here is a [[https://www.neutrik.com/media/8050/download/xlr-xx-series.pdf?v=1|manual by its manufacturer.]]</WRAP></WRAP>+4. Assemble to connector. If you need help, refer to [[https://www.neutrik.com/media/8050/download/xlr-xx-series.pdf?v=1|the manual by its manufacturer.]] 
 + 
 +//Technical note: We use gold-plated connectors for better performance in outdoor conditions.// 
 +</WRAP></WRAP>
  
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-4.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-5_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
-5. Unscrew the Geofón body parts apart and remove the Geofón element from inside.</WRAP></WRAP>+5. Unscrew the Geofón body parts apart and remove the Geofón element from inside.  
 + 
 +Note: newer version of the Geofón body may have threads swapped between top and bottom part, compared to the picture.</WRAP></WRAP>
  
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-4.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-6_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
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-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-4.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-7_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
-7. Solder the conductors to the pins on the element. Brown conductor should be connected to the pin with a dot next to it.</WRAP></WRAP>+7. Tin the exposed conductors on the cable with a bit of solder. Solder the conductors to the pins on the element. Brown conductor should be connected to the pin with a dot next to it. Solder as fast as possible, one joint shouldn't take longer then 2-4 seconds (depending on your soldering iron). 
 + 
 +<WRAP center round tip 60%> 
 +It helps to temporarily place a piece of paper on top of the element (pierce it through the pins) to prevent solder from sticking to the metallic ring around them. 
 +</WRAP> 
 + 
 +</WRAP></WRAP>
  
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-4.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-8_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
-8. Carefully pull the cable with the element soldered on through the gland as far as possible (without damaging the solder joints). Use the provided bolt (in the tube) and a 2.5 mm Allen (hex) key to fix the element in position through the side hole on the top part of the Geofón body. The thread is only 3D printed, so be careful not to over-tighten. The main purpose of this bolt is to prevent the Geofón element from rotating when the body is disassembled.</WRAP></WRAP>+8. Carefully pull the cable with the element soldered on through the gland as far as possible. Make sure you won't damage the solder joints. Use the provided bolt (in the tube) and a 2.5 mm Allen (hex) key to fix the element in position through the side hole on the top part of the Geofón body. The thread is in the plastic material, so be careful not to over-tighten as you may strip it. 
  
 +//Technical note: The main purpose of this bolt is to prevent the Geofón element from rotating when the body is disassembled.//</WRAP></WRAP>
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-4.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-9_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column> 
-9. Screw the bottom part of the Geofón body on the top part, tighten the cable gland on top of the top part of the Geofón with your hand as tight as possible. If needed use 14 mm wrench, but do not over-strain the gland. If you are having trouble with screwing the bottom part of the body, check if the side-bolt isn't deforming the top part and loosen it as needed.</WRAP></WRAP>+9. Screw the bottom part of the Geofón body onto the top part. Tighten the cable gland on top of the top part of the Geofón body as tightly as possible by hand. If necessary (cable is slipping), use a 14 mm wrench. Do not overtighten the gland.  
 + 
 +If you encounter difficulties while screwing the bottom part of the body, check if the side bolt pressed against the Geofón element is deforming the top part of the Geofón body and loosen it as needed.</WRAP></WRAP>
  
 <WRAP group> <WRAP group>
-<WRAP half column>{{https://raw.githubusercontent.com/LOM-instruments/Elektrosluch-Mini-City/master/photo/tutorial/Elektrosluch_Mini_City_guide-4.jpg?direct&600}}</WRAP>+<WRAP half column>{{:guides:geofon_diy_kit-10_large.jpeg?nolink600}}</WRAP>
  
 <WRAP half column>  <WRAP half column>