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Search Forums: Posts Made By: DavidAnalog
Forum: Boats, Accessories & Tow Vehicles 09-17-2014, 8:14 AM
Replies: 9
Views: 631
Posted By DavidAnalog
Mark, There are endless variables that will...

Mark,
There are endless variables that will influence the answer. Rather than speculate, try measuring.
At the end of the typical day and before you start the engine creating a false surface charge...
Forum: Boats, Accessories & Tow Vehicles 09-16-2014, 7:04 PM
Replies: 4
Views: 773
Posted By DavidAnalog
The correct selections are part of a sequential...

The correct selections are part of a sequential step-by-step tuning prescription. There is no single number that fits all.
For example, the upstream voltage of the source electronics will help...
Forum: Boats, Accessories & Tow Vehicles 09-16-2014, 3:14 PM
Replies: 6
Views: 516
Posted By DavidAnalog
You cannot correctly tune a system without...

You cannot correctly tune a system without finding the true clipping threshold of every single component in the audio chain from beginning to end. Many source units do not clip at all at full volume....
Forum: Boats, Accessories & Tow Vehicles 09-16-2014, 8:59 AM
Replies: 6
Views: 516
Posted By DavidAnalog
585 watts is a lot of power per each Rev10. As an...

585 watts is a lot of power per each Rev10. As an example, for a 10-inch subwoofer to truly handle 600 watts RMS it usually has a larger voice coil than the Rev10 midbass driver. However, for me, it...
Forum: Boats, Accessories & Tow Vehicles 09-15-2014, 7:22 AM
Replies: 6
Views: 516
Posted By DavidAnalog
1) 1kHz on fullrange or highpass zones and 50 Hz...

1) 1kHz on fullrange or highpass zones and 50 Hz on the lowpass. 0 dB might be the choice if you listen to mostly recent recordings with maximum compression engineered to sound louder or music with...
Forum: Boats, Accessories & Tow Vehicles 09-13-2014, 7:14 PM
Replies: 14
Views: 629
Posted By DavidAnalog
If you want accuracy, start with domain...

If you want accuracy, start with domain correction. A DSP processor such as an Audison Bit Ten is HUGE if you have someone who knows the tuning process. The Audison Prima multi-channel amplifiers...
Forum: Boats, Accessories & Tow Vehicles 09-04-2014, 6:23 AM
Replies: 41
Views: 1,271
Posted By DavidAnalog
Okay. Back on point. To the OP: You should have...

Okay. Back on point. To the OP: You should have all the speaker you need for surfing if your expectations are reasonable. But you need better quality power. A bridged Syn4 is a bit of excess but...
Forum: Boats, Accessories & Tow Vehicles 09-03-2014, 5:20 PM
Replies: 41
Views: 1,271
Posted By DavidAnalog
I looked into that amplifier. Looks really cheap....

I looked into that amplifier. Looks really cheap. Looks like it could be a stereo Class AB amplifier that is internally bridged to arrive at the monoblock designation. 162.5 watts max per each of two...
Forum: Boats, Accessories & Tow Vehicles 09-03-2014, 4:50 PM
Replies: 41
Views: 1,271
Posted By DavidAnalog
Although that is less power than these speakers...

Although that is less power than these speakers deserve, having too little power really doesn't increase your ability to blow speakers. Power, in one form or another, is truly what thermally damages...
Forum: Boats, Accessories & Tow Vehicles 08-25-2014, 5:13 AM
Replies: 4
Views: 773
Posted By DavidAnalog
Most JL Audio subs are medium 'Q' and will...

Most JL Audio subs are medium 'Q' and will function effectively in either sealed or ported enclosures.
Sealed will give you a higher but more gradual low frequency roll-off.
Ported will give you...
Forum: Boats, Accessories & Tow Vehicles 08-24-2014, 3:11 PM
Replies: 37
Views: 4,128
Posted By DavidAnalog
Steve, That is always going to be an ongoing...

Steve,
That is always going to be an ongoing vibration transmission issue with a fiberglass subwoofer enclosure that is an integral part of the boat structure. Normally a subwoofer enclosure is...
Forum: Boats, Accessories & Tow Vehicles 08-24-2014, 10:30 AM
Replies: 37
Views: 4,128
Posted By DavidAnalog
An interesting side note is that the Exile Xi12...

An interesting side note is that the Exile Xi12 and the Wetsounds XS12 have almost identical Thiele/Small parameters so if you are a Wetsounds fan the two 12-inch woofers should be interchangeable in...
Forum: Boats, Accessories & Tow Vehicles 08-24-2014, 10:27 AM
Replies: 7
Views: 772
Posted By DavidAnalog
Dynamat or any similar sound damping material can...

Dynamat or any similar sound damping material can lower the noise floor and attenuate a number of types of unwanted reflections and resonance. But it cannot raise the overall output level, not by 5...
Forum: Boats, Accessories & Tow Vehicles 08-22-2014, 12:56 PM
Replies: 7
Views: 772
Posted By DavidAnalog
Dynamat would not be good for creating rigidity...

Dynamat would not be good for creating rigidity if that is what you are after. That would require more access and a different material. However, Dynamat will effectively damp any panel resonance.
Forum: Boats, Accessories & Tow Vehicles 08-22-2014, 7:44 AM
Replies: 37
Views: 4,128
Posted By DavidAnalog
Lots of misinformation above. Wetsounds...

Lots of misinformation above.
Wetsounds amplifiers have never had thermal issues. I live in Texas with real heat which is a true proving ground. If the amplifiers are displaying heat issues then it...
Forum: Boats, Accessories & Tow Vehicles 08-22-2014, 7:24 AM
Replies: 5
Views: 772
Posted By DavidAnalog
Two completely different woofers with completely...

Two completely different woofers with completely different objectives.
The JL is an exercise in balance and precision. It's linear, fast, low distortion, deep, and does these things with minimum...
Forum: Boats, Accessories & Tow Vehicles 08-14-2014, 5:37 PM
Replies: 17
Views: 941
Posted By DavidAnalog
Darrin, Smelling the woofer voice coil, or any...

Darrin,
Smelling the woofer voice coil, or any speaker for that matter, is really bad. You are doing damage. That smell is caused from over-heating the enamel coating that insulates the voice coil...
Forum: Boats, Accessories & Tow Vehicles 08-14-2014, 1:48 PM
Replies: 17
Views: 941
Posted By DavidAnalog
Darrin, Don't throw in the towel. Every...

Darrin,
Don't throw in the towel.
Every external signal processor and every additional gain stage will add some degree of thermal noise (hiss). No exceptions. The difference is whether the noise is...
Forum: Boats, Accessories & Tow Vehicles 08-13-2014, 4:04 PM
Replies: 17
Views: 941
Posted By DavidAnalog
A few things come to mind. First, the horn...

A few things come to mind.
First, the horn tweeter in an HLCD is about 10 dB more sensitive than a conventional or standard tweeter so you will get the equivalent of ten times power in the noise...
Forum: Boats, Accessories & Tow Vehicles 08-06-2014, 6:48 AM
Replies: 3
Views: 718
Posted By DavidAnalog
In your situation a three bank charger offers no...

In your situation a three bank charger offers no advantage. In fact, unless you separate the two group 31 batteries that are in parallel, the three bank charger will function as a two bank charger.
...
Forum: Boats, Accessories & Tow Vehicles 08-05-2014, 1:49 PM
Replies: 3
Views: 598
Posted By DavidAnalog
As you mentioned, triple check every connection...

As you mentioned, triple check every connection in the ground and positive supply.
Temporarily remove the lowpass filter on the sub amplifier and go fullrange. If the hum changes in texture then the...
Forum: Boats, Accessories & Tow Vehicles 07-28-2014, 6:15 AM
Replies: 12
Views: 1,546
Posted By DavidAnalog
The JL Audio 13W7 is THE reference sub. One of...

The JL Audio 13W7 is THE reference sub. One of the W7 benefits is the added 'under control' excursion. But you do not get extra excursion and the required control without lots of extra power. At 40...
Forum: Boats, Accessories & Tow Vehicles 07-27-2014, 7:50 PM
Replies: 12
Views: 1,546
Posted By DavidAnalog
What is the brand/model of amplifier?

What is the brand/model of amplifier?
Forum: Boats, Accessories & Tow Vehicles 07-24-2014, 6:52 PM
Replies: 25
Views: 1,946
Posted By DavidAnalog
You would not package four Rev8s with a Syn4 but...

You would not package four Rev8s with a Syn4 but you could use a Syn2. That would be 175 watts per each Wetsounds 8-inch speaker which % wise is very close to the 210 watts per each Exile 8-inch...
Forum: Boats, Accessories & Tow Vehicles 07-24-2014, 6:41 PM
Replies: 25
Views: 1,946
Posted By DavidAnalog
ryan, And in this scenario you would have 400...

ryan,
And in this scenario you would have 400 watts to each of two Wetsounds Rev10s and 210 watts to each of four Exile XM9s.
28% more total surface area constitutes a +1 dB advantage.
400 watts...
Showing results 1 to 25 of 200

 

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