Post on 21-Sep-2020
Kit1 300B2014 EditionSingle Ended Triode 8 Watt
Interwiring Diagrams: Volume One
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Overview of Kit1 layout
Chassis GND
IEC Section
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
300B Hardwiring Section 1K8 Resistors, 220uf CAPS , 1K Grid resistors
A B C D E F G H I J K L M N
300B Hardwiring Section PS GNDS, FILAMENT WIRES
PS GND
A B C D E F G H I J K L M N
From Filament Board
From Filament Board
A B C D E F G H I J K L M N
300B Hardwiring Section O/P tx red wires connected COMPLETE w/ Voltage Checks for Power on with tubes installed
PS GND
A B C D E F G H I J K L M N
70v DC
70v DC
425v DC
425v DC
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Power Supply >> Driver Board Wiring – This is the HT voltage for the driver tubes
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Brown wires from Mains Secondary
Filament Supply for the 6SN7 tube
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
7
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Connect the filaments between the two 5687 tubes
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
8
4 4
8
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
5687 Filament supply from the Mains
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
1
High Voltage to to the Rectifier Tube
Orange/White A
C-1
A
C-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
High Voltage to to the Rectifier Tube
Brown/White
& Blue/White connect to GND
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
High Voltage to to the Rectifier Tube
prepared Ground cable
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
High Voltage and yellow filament supply for 5U4G along with the power supply board connection
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Ground Connections
3 grounds used to connect from Power supply to tag strip and driver board
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
A B C D E F G H I J K L M N
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Ground Connections
violet & green/yellow
AC Filament supply to filament board
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
A B C D E F G H I J K L M N
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Ground Connections
Blue & Black wires
AC Filament supply to filament board
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
A B C D E F G H I J K L M N
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Output transformer primary connecting to the 300B and the Power supply Ground
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
A B C D E F G H I J K L M N
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Choke Wires
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
A B C D E F G H I J K L M N
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Choke Wires
Driver board output to 300B tubes – purple wire
& Choke connections to the Power Supply Board
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
A B C D E F G H I J K L M N
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
W6
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Choke Wires
PS VOLTAGE CHECKS
375v DC
395v DC
450v DC
375v DC
395v DC
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
A B C D E F G H I J K L M N
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
6SN7
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Choke Wires
AN-A cable connecting from RCA to input driver board
AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
SINGLE INPUT ONLY
Kit1 300B Single Ended T-199 Mains Transformer
W23 W22 W21 W20
W11 W4
W14
W18
W15
W19
1 1 1
8
w8 w7 w6
W5
W3
W13
W2
W28 W27 W26 W25
W24 W23 W22 W21
GND W14-W20
PS PCB
1 2
8
3 4
5 6 7
5U4G
Mains Primary Mains Secondary
Overview of Kit1 layout
Chassis GND AC
-1
AC
-1
AC
-2
AC
-2
gnd
DC
D
C
gnd
rca
ELMA
W1 W2 W3
W7 W8
Selector Switch Version
Prepared Cable
Black wire twisted from
Mains primary
White wires twisted from Mains primary
Prepared cable
120v operation
ANK Audio Kits The makers of the finest audiophile products in kit form based on the Audio Note design philosophy.
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