CMoy amplifier designs

1
NE5532
TIP120/125
7815
7915
Eaton headphone amp
2


2200uF
3.3/2W
3.3/2W
2200uF
OUT
OUT
3.3/2W
3.3/2W
TIP120
TIP120
TIP125
TIP125
Q1
Q2
Q1
Q2
B
B
B
B
TIP120/125
LED
LED
100
33k
100
33k
2.2k
2.2k
2.2k
2.2k
47pF
47pF
OPA2132
OPA2132
IN
IN
1k
1k
1uF
1uF
7915
Vcc-
1k
1k
220k
220k
470uF
470uF


GND
7815
0.1uF
Vcc
0.1uF
Eaton headphone amp (top view)
Rainer Boettchers, 2003, rainer_at_justchords.com
3


2200uF
3.3/2W
3.3/2W
2200uF
OUT
OUT
3.3/2W
3.3/2W
TIP120
TIP120
TIP125
TIP125
Q1
Q2
Q1
Q2
B
B
B
B
TIP120/125
LED
LED
100
33k
100
2.2k
2.2k
2.2k
2.2k
OPA2132
OPA2132
IN
4.7uF
IN
4.7uF
7915
33k
Vcc-
220k
220k
0.1uF
GND
7815
0.1uF
Vcc
Eaton headphone amp (top view)
Rainer Boettchers, 2003, rainer_at_justchords.com