Bill of Material from SPSeq_Output_1.2.sch, 95 parts, as of 8/12/2010 9:43:07 PM

Value          Qty    Part
1N4148         29     D1, D2, D3, D12, D13, D14, D15, D16, D17, D18, D19, D20,
                      D21, D22, D23, D24, D25, D26, D27, D28, D29, D30, D31,
                      D32, D33, D34, D35, D36, D37
               8      D4, D5, D6, D7, D8, D9, D10, D11
               
LM741          5      IC1, IC2, IC3, IC4, IC5

SEQ_MTA16-100  1      J1
Key_Sum        1      J2
OUT A          1      J3
OUT B          1      J4
OUT C          1      J5

2N5172         2      Q1, Q2

The pots are all Panasonic 50k, linear taper, vertical shaft, snap in pots.The 
schematic and silkscreen call for 25k, but these 50k pots also work:
Panasonic P/N EVU-F2MFL3B54
Digi-Key  P/N P3G7503-ND

50k LEV A      1      R6
50k LEV B      1      R30
50k LEV C      1      R41

50k Step Level 24     R11 and R13-R19, R22-R29, and R33-R40

510            1      R12   This should be chosen to match the LEDs you use
22k            7      R7, R8, R10, R20, R21, R32, R43
100k           5      R1, R2, R3, R4, R5
180k           3      R9, R31, R42
8.2k           1      R44
5.1k           1      R45

AB 8/16        1    DPDT           SW1