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  1.  
  2. /[=-=================================-=]
  3. /[=-=]        PRESENTING:          [=-=]
  4. /[=-=]       THE LOUD BOX!         [=-=]
  5. /[=-=] DESIGNED, WRITTEN AND BUILT [=-=]
  6. /[=-=]        BY MR. BILL          [=-=]
  7. /[=-=================================-=]
  8.  
  9. /Od1O First, the schematics:
  10.  
  11.  
  12.              ------------------------------------------------------------/
  13.              |                                                          /
  14.              |                  R5                       ON-OFF SWITCH /
  15.              |   ---------------+---/\/\/\-----------+-----------+----/-+
  16.   --------   |   |              |                    |           |      |
  17.   INPUT  |   |   |              |                    |           |      |
  18.   -----  |   |   |              |                    |           |      |
  19.       |  |   |   |              |                    |           |      |
  20.       |  |   |   |              |                    |           |      |
  21.       |  |   |   |              /                    |           |      |
  22.       |  |   |   |              \R4                  |           |      |
  23.       |  |   |   |              /                    |           |      |
  24.       |  |   |   |              \                    |           |      |
  25.       |  |   |   |              /                    |           |      |
  26.       |  |   |   |              |                    |           |      |
  27.       |  |   |   |         R3   |             -------+--------   |      |
  28.       |  |   |   |    |--/\/\/\-+             |      6       |   |      |
  29.       |  |   |   |    |         |  C4         |              |   |      |  C8            
  30.       |  |   |   |    |  C3     +--||--+------+3   AMP IC   7+---|--+---|--||-------+
  31.       |  |   |   |    +--||-----+      |      |              |   |  |   |           |
  32.       |  /  /    |    |        /       |   |--+2 4  1  8  5  |   |  |   |           |
  33.       |  \ / C1  |    |       /        |   |  ---+--+-----+---   |  -C7 |           |
  34.       |R1/<--||--|----+------| TR1     /   |     |  |  C5 |      |  -   |           |
  35.       |  \ \     |            \        \   |     |  |--||-|      |  |   |           +---
  36.       |  /  \    -C2           \     R7/   |     |               -  |   |         OUTPUT
  37.       |  |  GND  -              +      \   |     |               -C6/   |           +---
  38.       |  |       |              |      /   |     |               |  \  ---B         |
  39.       |  |       |              /      |   |     |               |  /R6 - A         |
  40.       |  |       |              \      |   |     |               |  \  ---T         |
  41.       |  |       |            R2/      |   |     |               |  /   -           |
  42.       |  |       |              \      |   |     |               |  |   |           |
  43.       |  |       |              /      |   |     |               |  |   |           |
  44.       +--+-------+--------------+------+---+-----+---------------+--+---+-----------+
  45.  
  46.  
  47.  
  48.  
  49.   What is a LOUD box?? Well if you've ever started a conference you'll
  50. know that a lot of the times the conferees cannot hear you that well.
  51. Well this little BOX should clear up that problem. First thing you want
  52. to do is MAKE it, so get to that and come back when you're done. Ok, we
  53. now have the circut done, so heres what you'll do. First open up your
  54. phone and find the wires going to the mouth piece and cut them. Not
  55. connect the wires running from the microphone to the input line and the
  56. other wires running to the output line. There you have it, just turn it
  57. on, and ajust the volume control and the people at the other end will be
  58. able to really HEAR what you are saying.
  60.