Custom designed and built microphone or direct inject tube pre-amplifier. Entirely custom designed and built. Featuring: two discreet channels, phantom power, phase coherence switching, 20db pad, soft on/off, sleep/warm mode, balanced mic input or direct inject (line level), custom 2U 19" rack mount chassis with gold plated anodized aluminum, star grounding, Lundahl transformers, Lundahl chokes, gold resistors, gold Neutrik connectors, ladder step attenuators, Angela capacitors, circuit breaker, custom back-light machined aluminum knobs, 12AU7/ECC82 and 5687/ECC99 Tubes, custom circuit boards with high content silver solder.

14. PD4
PD2
PR3
PSW1
AC 120V
+
HR1
+
SD1
SR1
+
HT1
FT1
PT1
HC4
HD1
FD1
PD1
+
HC1
FC1
FC2
FVR1
FC3
+PC1
PC2
PVR1
PR1
PR2
PC5
PC4
+HC2
HC5
L1
+
HC6
HC3 HR2HR3HR4
FSW1
PD3
FD2
+
HR5
HR6
HC7
FC4
PR7
B+
K+
SRS1
SRS1
CB1SBR1
PR8
1
+
SD1
IC2
IC1
1 SR2
SR3
SR4 SR7
SR5
SR6
SR8
CS1
PC6 +
PC7PR5
C+ To J1 Pin 2
PR6
C+ To J1 Pin 3
HD2
PRS1
K+

15. SW2
R3
V1A
V1B
+
R4
LA1
R6
+
C9
C10
C2C4
B+
C6
R7
R8
V2B
V2A
K+
K+
K+
K+
+
SW1
R2
D2 K+
Ring
Tip
J2
R10
C11
R9
T1
R11
J3
J4
T2
C7
+
R5
C8
C3 C1
C5
J1
Pin 2
Pin 3
R12
R13
R14PRS1
D1
R1
D3
R15
PRS2
R17
R16

16. R9
T1
T2
+
R10R3
C5
C6
R11
R6
+-
--
-
-
R13R14
R12
C11
V2
V1
-
-
-
-

17. FC1
FC2
FC3
FC4
FD1
SR8
1
CS1
FVR1
FD2
SR7
1
SR3
SR5
SR2
SR4
IC1
IC2
-
PC1
PC2
PVR1
PD3
PR2
PR1
PR7
PC4
PC5
PR8
PD4
PD4
PC7
PC7
PC6
PC6
PR5
PR6
PR5
PR6
PRS1
PRS1
-
SR6

18. C1
C3
C4
C2
C10
C7
C8
C9
R8
R5
HD1 HR6
HR5
HC7
-
-
-
-
-
-
-
-
-

19. HR3
HR4
HR2
HC1
HC6
HC5
HC4
HC2
HC3