Amplifier Installation & Operating Manual
TB0322B  Page 8 of 8  10/18/03 
PARTS
RADIO 
HORN 
MAN
WAIL 
Y
ELP 
PHASER 
SIREN 
PA
V
OL
SA400 
ON
OFF
7 
12 
4 
8
9 
1 
11
13 
5  3 6
Item Part #  Description 
1  CP3529  Bezel, front panel for SA-400-73 (Membrane switch hole) 
  CP3966  Bolt, mounting, 1/4-20 X 3/8 (2 required) 
 CP3571  Bracket, mounting 
3  ES00026-02  Cable, internal chassis plug wiring harness 
  CP2560  Cable, external wiring harness 
4  CP3547  Control, PA volume (350 ohm) 
5  ES00026-03  Cover with stud 
6 CP3408  Fuse holder 
7  CP4852  Knob, rotary function switch 
8  CP4853  Knob, PA volume control 
9  CP3530  Label, front panel for SA-400-73 (With membrane switch) 
  #73 LAMP  Lamp, T-1-3/4 14V Mini Wedge Base (JKL #73) (used on SA-400-73 14,PG) 
  E85 LAMP  Lamp, T-1-1/2 28V Mini Wedge Base (JKL #E85) (used on SA-400-73 28) 
  4133 SOCKET  Lamp Socket (Industrial Devices Inc. #4133) 
 CP3570  Microphone 
  CP3633  Microphone clip with mounting screws 
  SR3055  Rivet, plastic snap for PCB mounting tabs (2 required) (Richco #SR-3055B) 
11  2FA53-73  Switch, toggle power (Carling Switch #2FA53-73) 
12  CP3548  Switch, rotary function (top tabs folded and soldered) 
13  CP4119  Transistor, output (2 required) (Industry standard TIP36C, Not Texas Instruments) 








