Gnarly RööVIK MK-I

A 4.5W (K174YH7) power-amp made of components I had lying around.

                                        
                                                    +Vcc
             .---o------------------------------------o
             |   |                 
             |  .-.                
             |R2| |                
             |  | |                
             |  '-'
  IN         |   |  +                       +
  o--.       |   o---||---o---------o-----o--||--.
     |       |   |   C1   |         |     |  C2  |
     |       |   |        |        ---    |      |  /|
     |       |   |        |      C5---    |      | / |
    .-.    .--------------------.   |     |     .-.  |
    | |    | 1   4        12   5|---o     |     | |  |
  R1| |<---|8      K174YH7      |   |     |     '-'  |
    | |    |7   9 10 6   2 3 11 |   |     |      | \ |
    '-'    '--------------------'  ---   ---     |  \|
     |      |   | |  |   | | |   C6--- C7---     |
     |     +|   o-' +|   ' ' '      |     |      |
     |   C3---  | C4---  unused     |     |      |
     |     ---  |   ---             |     |      |
     |      |   |    |              |     |      |
     |      |   |   .-.             |     |      |
     |      |   | R3| |             |     |      |
     |      |   |   | |             |     |      |
     |      |   |   '-'             |     |      |
     |      |   |    |              |     |      |
    ===    === ===  ===            ===   ===    ===

Parts:
	K174YH7
	R1	100k (pot)
	R2	100..120
	R3	51
	C1	100uF (polar)
	C2	1000uF (polar)
	C3	100uF (polar)
	C4	500uF, 25V (polar)
	C5	300pF
	C6	3.3nF
	C7	0.1uF

Scrapamp on a breadboard:


Scrapamp on a prototyping board:


The casing of the amp (made by tvk_):




Finished: