Bill of Material from SPENVDT_1.1.sch, 69 parts, as of 3/12/2011 5:26:49 PM Value Qty Device Part 0.01u 1 C-US050-025X075 C1 0.005u 1 C-US050-025X075 C4 3.9u 1 CPOL-USE2.5-5 C2 You can double this if you use a 1Meg for R6 and R7. Or leave it at 3.9u to get a snappier attack minimum rise. 1.2u 1 CPOL-USE2.5-5 C3 double this if you use a 1Meg for R19 ***SEE NOTE BELOW 1N4148 13 1N4148 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13 VTrig 1 JACK J1 COM 1/2 1 MTA02-100 J2 EG3 OUT 1 JACK J3 Power 1 MTA05-100 J4 STrig 1 JACK J5 2N5172 13 2N5172 Q1, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14 PN5138 1 PN5138 Q2 3.9k 2 R-US_0207/10 R1, R20 3.9k 1 R-US 0207/10 R22 ***SEE NOTE BELOW 10k 1 R-US_0207/10 R2 22k 8 R-US_0207/10 R3, R10, R14, R15, R16, R25, R26, R27 5.1k 2 R-US_0207/10 R4, R5 8.2k 3 R-US_0207/10 R8, R12, R13 8.2k 1 R-US 0207/10 R28 ***SEE NOTE BELOW 390 1 R-US_0207/10 R9 1k 2 R-US_0207/10 R11, R18 2.2k 1 R-US_0207/10 R17 1.2k 1 R-US_0207/10 R21 180k 1 R-US_0207/10 R24 2M Aud Decay 1 PANEL_POT R6 Can be 1 Meg, double C2 2M Aud Att 1 PANEL_POT R7 Can be 1 Meg, double C2 2M Aud Dur 1 PANEL_POT R19 Can be 1 Meg, double C3 ***SEE NOTE BELOW 5K EG3 1 PANEL_POT R23 EXT/Dur 1 SW_SPDT SW1 Damp 1 SW_SPDT SW2 COM_3-1 1 SW_SPDT SW3 COM_3-2 1 SW_SPDT SW4 Trig Delay 1 SW_SPDT SW5 ***NOTE FOR C3, R19 (pot), R22, and R28 If you are using a 1Meg pot for R19 and doubled the value of C3 and are now having problems with non-triggering with short triggers, ~0.0001 sec, change R28 (8.2k) to 5.1k and R22 (3.9k) to 1.2k. Leaving C3 at 1.2u also fixes the problem but there is no reason not to change R28 and R22