Ray Wilson authored this content while he was actively running MFOS as the founder and resident genius.
We retain the content because it reflects a valuable point of view representing that time and place.
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If you buy a Sound Lab Mini-Synth Component Kit and want to build the Sound Lab PLUS you will need to purchase the
parts listed in the Micro Sample & Hold Parts List and the parts listed in this DELTA-LIST.
If you are starting from scratch and ordering your own parts then you will need to buy the parts listed in the Micro Sample & Hold Parts List and everything listed in the Sound Lab Mini Synth PLUS Complete Project Parts List. YOU WILL NOT NEED THE PARTS IN THIS DELTA LIST SINCE THEY ARE ALREADY IN THE Sound Lab Mini Synth PLUS Complete Project Parts List. |
| Qty. | Description | Value | Designators |
|---|---|---|---|
| 2 | 1N914 High Speed Diode | 1N914 | D11, D12 |
| 3 | Linear Taper Potemtiometer | 100K | R202, R205, R209 |
| 2 | 1/4W 1% Resistor | 100K | R207, R208 |
| 5 | 1/4W 1% Resistor | 470K | R204, R206, R201, R203, R225 |
| 10 | 1/4W 5% Resistor | 100K | R200, R28, R18, R77, R78, R210, R217, R219, R218, R220, R229 |
| 2 | 1/4W 5% Resistor | 27K | R17, R216 |
| 1 | 1/4W 5% Resistor | 130K | R20 |
| 1 | 1/4W 5% Resistor | 15K | R36 |
| 1 | 1/4W 5% Resistor | 20K | R97 |
| 2 | 1/4W 5% Resistor | 47K | R32, R223 |
| 1 | 1/4W 5% Resistor | 6.2K | R224 |
| 1 | 1/4W 5% Resistor | 7.5K | R88 |
| 3 | SPDT (Center Off) Switch | SPDT (C.O.) | S7, S11, S12 |
| 3 | SPDT Switch | SPDT | S20, S21, S22 |
| 1 | DPDT (Center Off) Switch | DPDT (C.O.) | S2 |
| 1 | DPDT Switch | DPDT | S18 |
| Qty. | Description | Value | Designators |
|---|---|---|---|
| 1 | CD40106 Hex Inverter | CD40106 14P DIP | IC1 |
| 1 | LF442 or TL072 Dual Op Amp (or equiv.) | LF442 or TL072 8P DIP | IC2 |
| 3 | LF444 or TL074 Quad Op Amp (or equiv.) | LF444 or TL074 14P DIP | IC5, IC6, IC7 |
| 1 | TL072 Dual Op Amp (or equiv.) | TL072 | IC8 |
| 2 | LM13700 or Mouser# 513-NJM#13700D Dual Transconductance Op Amp (or equiv.) | LM13700 16P DIP | IC4, IC3 |
| 2 | MPF102 N JFET (or equiv.) | MPF102 T092 | Q6, Q5 |
| 10 | Silicon Switching Diode | 1N914 (or equiv.) | D1, D2, D3, D4, D5, D7, D11, D12, D9, D10 |
| 1 | 9.1V Zener Diode | 1N5239B (or equiv.) | D8 |
| 6 | Transistor NPN(s) | 2N3904 T092 | Q8, Q4, Q1, Q3, Q2, Q7 |
| 4 | Ceramic Capacitor(s) | .001uF | C2, C1, C8, C9 |
| 1 | Ceramic Capacitor | .0047uF | C14 |
| 5 | Ceramic Capacitor(s) | .1uF | C10, C11, C20, C19, C24 |
| 3 | Ceramic Capacitor(s) | .22uF | C15, C25, C26 |
| 2 | Ceramic Capacitor(s) | 100pF | C7, C6 |
| 1 | Non-Polarized Aluminum Cap | 1uF | C22 |
| 1 | Non-Polarized Aluminum Cap | 2uF | C13 |
| 2 | Ceramic Capacitor(s) | 560pF | C5, C4 |
| 1 | Tantalum Capacitor | 2uF | C3 |
| 2 | Electrolytic Capacitor(s) | 100uF | C16, C18 |
| 4 | Audio Taper Potentiometer(s) (Linear taper will work fine too.) | 100K | R29, R38, R44, R27 |
| 2 | Audio Taper Potentiometer(s) (Linear taper will work fine too.) | 1M | R10, R11 |
| 12 | Linear Taper Potentiometer(s) | 100K | R15, R19, R48, R37, R58, R55, R205, R202, R85, R209, R90, R92 |
| 18 | Pot knobs(s) | Knobs for all pots | |
| 2 | Multi-turn Trim Pot(s) | 100 ohms | Scale adjust trimmers |
| 10 | Resistor 1/4 Watt 1%(s) | 100K | R68, R69, R74, R54, R57, R73, R63, R62, R207, R208 |
| 2 | Resistor 1/4 Watt 1%(s) | 10K | R64, R65 |
| 4 | Resistor 1/4 Watt 1%(s) | 1M | R67, R66, R56, R59 |
| 2 | Resistor 1/4 Watt 1%(s) | 2K | R60, R61 |
| 2 | Resistor 1/4 Watt 1%(s) | 39K | R52, R50 |
| 5 | Resistor 1/4 Watt 1%(s) | 470K | R225, R206, R204, R203, R201 |
| 2 | Resistor 1/4 Watt 1%(s) | 47K | R75, R76 |
| 2 | Resistor 1/4 Watt 1% | 475 ohm | Scale adjust resistors |
| 19 | Resistor 1/4 Watt 5%(s) | 100K | R4, R14, R12, R1, R200, R24, R28, R18, R79, R77, R78, R210, R86, R217, R219, R218, R220, R93, R229 |
| 3 | Resistor 1/4 Watt 5%(s) | 10K | R199, R26, R95 |
| 1 | Resistor 1/4 Watt 5% | 130K | R20 |
| 4 | Resistor 1/4 Watt 5%(s) | 150K | R30, R33, R39, R16 |
| 1 | Resistor 1/4 Watt 5% | 15K | R36 |
| 5 | Resistor 1/4 Watt 5%(s) | 1K | R22, R23, R45, R34, R35 |
| 5 | Resistor 1/4 Watt 5%(s) | 1M | R8, R9, R2, R87, R91 |
| 3 | Resistor 1/4 Watt 5%(s) | 200K | R31, R89, R100 |
| 9 | Resistor 1/4 Watt 5%(s) | 20K | R42, R40, R47, R43, R46, R70, R72, R80, R97 |
| 4 | Resistor 1/4 Watt 5%(s) | 220K | R82, R84, R221, R83 |
| 1 | Resistor 1/4 Watt 5% | 270K | R222 |
| 2 | Resistor 1/4 Watt 5%(s) | 27K | R17, R216 |
| 1 | Resistor 1/4 Watt 5% | 2K | R230 |
| 2 | Resistor 1/4 Watt 5%(s) | 2M | R5, R13 |
| 1 | Resistor 1/4 Watt 5% | 30K | R228 |
| 1 | Resistor 1/4 Watt 5% | 33K | R21 |
| 1 | Resistor 1/4 Watt 5% | 3M | R7 |
| 2 | Resistor 1/4 Watt 5%(s) | 4.7K | R81, R98 |
| 1 | Resistor 1/4 Watt 5% | 4.7M | R3 |
| 2 | Resistor 1/4 Watt 5%(s) | 470K | R226, R227 |
| 4 | Resistor 1/4 Watt 5%(s) | 47K | R49, R32, R223, R104 |
| 2 | Resistor 1/4 Watt 5%(s) | 510 ohms | R6, R94 |
| 1 | Resistor 1/4 Watt 5% | 6.2K | R224 |
| 1 | Resistor 1/4 Watt 5% | 620K | R25 |
| 1 | Resistor 1/4 Watt 5% | 7.5K | R88 |
| 4 | SPDT Toggle Switch (center off) | S7, S11, S12, S16 | |
| 6 | SPDT Toggle Switch | S3, S6, S10, S20, S21, S22 | |
| 1 | SPST Mom. Push Button N/O | S1 | |
| 8 | SPST Toggle Switch | S5, S8, S4, S9, S15, S14, S13, S17 | |
| 1 | DPDT Toggle Switch (center off) | S2 | |
| 1 | DPDT Toggle Switch | S18 | |
| 1 | DPST Toggle Switch | S19 | |
| 2 | 9V Battery Connectors | For B2 and B1 | |
| 2 | Battery(s) | 9V | B2, B1 |
| 4 | Phone Jack(s) | 1/4" Jack | J1 (and Osc-1 CV, Osc-2 CV, and Gate In) |
Miscellaneous