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<blockquote data-quote="gunz4me" data-source="post: 5860333" data-attributes="member: 596464">Using the DMM method to set your gains is one of those &quot;get you in the ball park&quot; techniques, even though FoxPro5 will say it merely gets you into outer space.&nbsp; Regardless, you still have to use your ear for the final settings.&nbsp; Only after you have used your ear would I recommend sticking the oscilloscope on your equipment, unless you have access to dummy loads.One of the major pitfalls to using the DMM method involves the power output of the particular amplifier you are trying to set the gain for.&nbsp; Are you sure it makes rated power on your vehicle&#039;s voltage?&nbsp; Are you REALLY sure of this?&nbsp; What is going to happen when you load it down with your subwoofers or other speakers, depending on the amplifier in question?Don&#039;t get me wrong, a DMM is a good way to establish somewhat of a base line for you to use your ear from that point forward, but it is not a means to an end.&nbsp; The one exception to this is when you are down tuning an amplifier to produce less output than what you need.&nbsp; For example, your amplifier is capable of producing 1,000 watts RMS and you only need 500 to 600 watts RMS of output, you can somewhat safely use the DMM to set your gains lower than the desired output level.</blockquote>

[QUOTE="gunz4me, post: 5860333, member: 596464"] Using the DMM method to set your gains is one of those "get you in the ball park" techniques, even though FoxPro5 will say it merely gets you into outer space. Regardless, you still have to use your ear for the final settings. Only after you have used your ear would I recommend sticking the oscilloscope on your equipment, unless you have access to dummy loads. One of the major pitfalls to using the DMM method involves the power output of the particular amplifier you are trying to set the gain for. Are you sure it makes rated power on your vehicle's voltage? Are you REALLY sure of this? What is going to happen when you load it down with your subwoofers or other speakers, depending on the amplifier in question? Don't get me wrong, a DMM is a good way to establish somewhat of a base line for you to use your ear from that point forward, but it is not a means to an end. The one exception to this is when you are down tuning an amplifier to produce less output than what you need. For example, your amplifier is capable of producing 1,000 watts RMS and you only need 500 to 600 watts RMS of output, you can somewhat safely use the DMM to set your gains lower than the desired output level. [/QUOTE]

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