maybe a stupid question... :)

MaXiZ · 30th November 2003, 12:57 PM

First of all i don't know if that's the correct place to post this...
Anyway i would like to build a VU meter... I've bought a LM3914 but after i've looked that the logaritmic 3dB for eah led were the LM3915.. Anyway my "problem" is this.. What do u suggest for a VU meter to use for a car stereo?
A VU meter that u've tested naturally!

Thanx in advance!

PRR · 1st December 2003, 07:40 PM

> What do u suggest for a VU meter to use for a car stereo?

Either the LM3916; or one of the Velleman kits which is a LOT easier than wiring an LM391x.

tennisballg · 1st April 2004, 07:22 AM

This may be a stupid question as well, but what is the difference between the 3915 and the 3916. I know the 3914 is linear and the 3915 is log, but what is the 3916? The 3915 says it has a 3db/ LED scale, but there is no scale description on the 3916. The datasheets have an almost identical description. Both can be used as a line level display showing the full range. Can anyone at least tell me why someone would choose one of these over the other?

30th November 2003, 12:57 PM	#1
MaXiZ diyAudio Member Join Date: Jun 2003 Location: Italy	maybe a stupid question... :) First of all i don't know if that's the correct place to post this... Anyway i would like to build a VU meter... I've bought a LM3914 but after i've looked that the logaritmic 3dB for eah led were the LM3915.. Anyway my "problem" is this.. What do u suggest for a VU meter to use for a car stereo? A VU meter that u've tested naturally! Thanx in advance!

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1st December 2003, 07:40 PM	#2
PRR diyAudio Member Join Date: Jun 2003 Location: USA	> What do u suggest for a VU meter to use for a car stereo? Either the LM3916; or one of the Velleman kits which is a LOT easier than wiring an LM391x.

1st April 2004, 07:22 AM	#3
tennisballg diyAudio Member Join Date: Feb 2004 Location: Utah	This may be a stupid question as well, but what is the difference between the 3915 and the 3916. I know the 3914 is linear and the 3915 is log, but what is the 3916? The 3915 says it has a 3db/ LED scale, but there is no scale description on the 3916. The datasheets have an almost identical description. Both can be used as a line level display showing the full range. Can anyone at least tell me why someone would choose one of these over the other?

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