Bill of Material from SP_Noise_1.2.sch, 50 parts, grouped by values, as of 1/2/2011 1:08:01 AM

Value          Qty  Device           Part
270p           1    C-US050-025X075  C1
0.01u          1    C-US050-025X075  C2
0.1u           2    C-US050-025X075  C5, C11

1u             3    CPOL-USE2.5-5    C3, C7, C8
10u            3    CPOL-USE2.5-5    C4, C6, C10
150u           1    CPOL-USE5-13     C12

1.0u Tant      1    CPOL-USE2.5-5    C9

+12V           1    LED_PANEL        D1
1N4001         1    1N4004           D2

LM317          1    LM317TS          IC1

Out            1    JACK             J1
-10v +12v      1    MTA04-156_12-10  J2
DOEPFER_10     1    DOEPFER_10       J3

               1    FE_BEAD          L1
               
2N5172         5    2N5172           Q1, Q2, Q3, Q5, *Q6
PN5138         1    PN5138           Q4

25k Wht-Pnk    1    PANEL_POT        R20
25k Out        1    PANEL_POT        R16

2.2k           5    R-US_0207/10     R1, R6, R7, R10, R18
10k            2    R-US_0207/10     R2, R21
22k            1    R-US_0207/10     R3
180k           5    R-US_0207/10     R5, R8, R9, R13, R15
8.2k           2    R-US_0207/10     R11, R14
1k             2    R-US_0207/10     R12, R24
2.2M           1    R-US_0207/10     R17
68             1    R-US_0207/10     R22

*** If Needed  1    R-US_0207/10     R19
*** If needed  1    R-US_0207/10     R4

100k +12V      1    R_TRIM_Y         R23

Wht-Pnk        1    SW_SPDT          SW1

* Q6 should be a noisy transistor. You may need to try several.
Try an old transistor here.
*** See notes for R4 and R19