Which driver I must use?

Dxvideo · 23rd December 2003, 07:32 AM

Hi all,

I am very new at loudspeakers forum. So may be its a stupid question.

I have a TDA1514A based subwoofer amplifier (48-50W RMS @ 4ohm with 100Hz 12dB/oct. LPF). I have two 4ohm 16cm (6" dia) subwoofer driver. I gues they are good brand drivers (but I'm not sure, they are "WESTRA"). Anyway, the question is; Does one of my driver enough for my 50W amplifier? Does it make a lot of distortion @ full volume?

Thanks for your advices (in advance) ...

Best regards...

Dxvideo · 25th December 2003, 07:14 AM

Nobody will response?

Guss · 25th December 2003, 07:44 AM

If the question is if using a single driver would be enough for a descent subwoofer use, I guess it is not. I don't personnaly know westra and its too late to make a search for me... Well you could probably use your drivers in serie with your amp ending up with a load of 8ohm which is more suitable than 2ohm for your amplifier. Distortion mostly depends on your drivers xmax and you'll need alot for a sub use.

Why exactly dyou need a sub ? Car / HT / Stereo ???

Dxvideo · 26th December 2003, 07:43 AM

Thanks Guss,

I will use "the subwoofer" for my 4.1. In fact, I have 2 LM1876 and 2 TDA1514. So, for the satellites I use LM1876 (+/-22v 4ohm = 22W per rail) and for the sub, thats the problem node, I cannot buy a new subwoofer driver for now than I must use my 16cm 4ohm twin.. TDA1514A can drive 4ohm with 48W RMS power, in the bridge mode it can drive 8ohm and 100W RMS... Whats the solution?

23rd December 2003, 07:32 AM	#1
Dxvideo diyAudio Member Join Date: Nov 2003 Location: Turkey	Which driver I must use? Hi all, I am very new at loudspeakers forum. So may be its a stupid question. I have a TDA1514A based subwoofer amplifier (48-50W RMS @ 4ohm with 100Hz 12dB/oct. LPF). I have two 4ohm 16cm (6" dia) subwoofer driver. I gues they are good brand drivers (but I'm not sure, they are "WESTRA"). Anyway, the question is; Does one of my driver enough for my 50W amplifier? Does it make a lot of distortion @ full volume? Thanks for your advices (in advance) ... Best regards...

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25th December 2003, 07:14 AM	#2
Dxvideo diyAudio Member Join Date: Nov 2003 Location: Turkey	Nobody will response?

25th December 2003, 07:44 AM	#3
Guss diyAudio Member Join Date: Jun 2003 Location: Montreal	If the question is if using a single driver would be enough for a descent subwoofer use, I guess it is not. I don't personnaly know westra and its too late to make a search for me... Well you could probably use your drivers in serie with your amp ending up with a load of 8ohm which is more suitable than 2ohm for your amplifier. Distortion mostly depends on your drivers xmax and you'll need alot for a sub use. Why exactly dyou need a sub ? Car / HT / Stereo ???

26th December 2003, 07:43 AM	#4
Dxvideo diyAudio Member Join Date: Nov 2003 Location: Turkey	Thanks Guss, I will use "the subwoofer" for my 4.1. In fact, I have 2 LM1876 and 2 TDA1514. So, for the satellites I use LM1876 (+/-22v 4ohm = 22W per rail) and for the sub, thats the problem node, I cannot buy a new subwoofer driver for now than I must use my 16cm 4ohm twin.. TDA1514A can drive 4ohm with 48W RMS power, in the bridge mode it can drive 8ohm and 100W RMS... Whats the solution?

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