WhitakerAudio 60 W Stereo Power Amplifier, User And Assembly Manual

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WhitakerAudio
The speaker PWB connection terminals are listed in Table 3.3.
Note that for this design, the headphone outputs and the load resistor input are not used on the
speaker PWB.
Table 3.3 Speaker PWB Connection Wiring Codes
(Note that the color codes for the transformers listed in this table may vary.
Consult device documentation before proceeding.)
PWB Code Function Connection Color Code Notes
GND Chassis ground
T1com Output transformer
secondary common Black
4ohm 4
Ω
secondary output Green
8ohm 8
Ω
secondary output Yellow
16ohm 16
Ω
secondary output White
SPK GND Common to speaker
terminal
OUT Output to speaker terminal
LOAD Load resistor input
HEAD1 Headphone output #1
HEAD2 Headphone output #2
Figure 3.2 Layout of the speaker
terminal PWB.