kicker kx450.2

timwebb · 22nd June 2010, 08:21 PM

any one have a pic of the board?

timwebb · 29th June 2010, 05:04 AM

anyone know what the driver transistors are for this amp?

Perry Babin · 29th June 2010, 11:35 AM

Which leg of the driver transistor is connected to ground?

timwebb · 29th June 2010, 04:53 PM

2n4403 the collector is on the ground.

Perry Babin · 29th June 2010, 05:38 PM

You have the part number for the driver. Was there something else you needed?

timwebb · 29th June 2010, 05:51 PM

i was trying to see if this was right cause they were changed

Perry Babin · 29th June 2010, 06:15 PM

The 4403 is likely to be the correct part.

timwebb · 29th June 2010, 07:58 PM

here's the 494
1 1.5
2 3.6
3 05
4 0
5 1.46
6 3.44
7 0
8 10.75
9 7.77
10 4.91
11 4.91
12 4.91
13 21.09
14 10.75
15 4.63
16 4.62

Perry Babin · 29th June 2010, 08:29 PM

Assuming that the 21.09 is supposed to be 12.09 and reversing the last 8 pins, it looks OK. The amp should be producing rail voltage is you have the FETs and rectifiers in the circuit.

timwebb · 30th June 2010, 04:06 AM

the amp has rail voltage and i have the fets in still not coming on?

22nd June 2010, 08:21 PM	#1
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	kicker kx450.2 any one have a pic of the board?

29th June 2010, 11:35 AM	#3
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Which leg of the driver transistor is connected to ground? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

29th June 2010, 05:38 PM	#5
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	You have the part number for the driver. Was there something else you needed? __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

29th June 2010, 06:15 PM	#7
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	The 4403 is likely to be the correct part. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links

29th June 2010, 08:29 PM	#9
Perry Babin diyAudio Member Join Date: Nov 2003 Location: Louisiana	Assuming that the 21.09 is supposed to be 12.09 and reversing the last 8 pins, it looks OK. The amp should be producing rail voltage is you have the FETs and rectifiers in the circuit. __________________ Links >> Basic Car Audio Amp Repair --- Basic Car Audio Electronics --- Basic Transistor Testing --- Basic Switching Power Supply Design --- Basic Computer Skills << Links


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29th June 2010, 05:04 AM	#2
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	anyone know what the driver transistors are for this amp?

29th June 2010, 04:53 PM	#4
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	2n4403 the collector is on the ground.

29th June 2010, 05:51 PM	#6
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	i was trying to see if this was right cause they were changed

29th June 2010, 07:58 PM	#8
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	here's the 494 1 1.5 2 3.6 3 05 4 0 5 1.46 6 3.44 7 0 8 10.75 9 7.77 10 4.91 11 4.91 12 4.91 13 21.09 14 10.75 15 4.63 16 4.62

30th June 2010, 04:06 AM	#10
timwebb diyAudio Member Join Date: Jan 2010 Location: memphis tn	the amp has rail voltage and i have the fets in still not coming on?

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