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Search: Posts Made By: David Analog
Forum: Audio/Stereo Today, 11:11 AM
Replies: 15
Views: 478
Posted By David Analog
A square woofer IS an odd duck. First, there is...

A square woofer IS an odd duck. First, there is considerably more stress in the small radius corners of the surround (versus a round speaker) so the surround material has to be thicker, heavier and...
Forum: Audio/Stereo Yesterday, 03:25 PM
Replies: 15
Views: 478
Posted By David Analog
Quote: "A Kicker CompR, L7, or comparable ID...

Quote: "A Kicker CompR, L7, or comparable ID choice will out perform JL on the water with your limited power and budget every time."

The above is a patently false statement. There is no reason for...
Forum: Audio/Stereo 12-16-2014, 06:33 PM
Replies: 3
Views: 278
Posted By David Analog
Sure, just about any addition will improve your...

Sure, just about any addition will improve your power situation.
You can use four of the six e6450 channels and leave two channels dormant.
The 'e' series was from another era where it was...
Forum: Audio/Stereo 12-15-2014, 01:00 AM
Replies: 15
Views: 478
Posted By David Analog
No chance of port noise. You could fit almost...

No chance of port noise. You could fit almost five 4-inch ports inside a 9" hole plus you have serious losses within the seating compartment. Not much pressure passing through the 9" hole.
No issue...
Forum: Audio/Stereo 12-14-2014, 07:16 PM
Replies: 15
Views: 478
Posted By David Analog
Infinite baffle subs are limited in excursion....

Infinite baffle subs are limited in excursion. They can sound very good when executed correctly at limited levels. But longer under-control excursion is their drawback.
Btw, it is totally pointless...
Forum: Electrical 12-13-2014, 04:04 PM
Replies: 24
Views: 604
Posted By David Analog
Here's a couple of info bursts to perhaps tie up...

Here's a couple of info bursts to perhaps tie up a few loose ends.
Two identical batteries used on separate banks will be discharged and recharged differently so they won't be identical for very...
Forum: Audio/Stereo 12-09-2014, 08:51 PM
Replies: 3
Views: 278
Posted By David Analog
In a open boat the demand for power is great,...

In a open boat the demand for power is great, very different from a vehicle cabin.
Presently your 6-channel amplifier can run nine speakers but the equivalent load is at 2-ohms on ALL channels and...
Forum: Audio/Stereo 12-02-2014, 01:36 PM
Replies: 3
Views: 387
Posted By David Analog
Get with Odin at Earmark Marine. He is an...

Get with Odin at Earmark Marine. He is an authorized online JL Audio dealer, in addition to Wetsounds, etc.
The OEM model number is only available through OEM distribution. But Odin can give you the...
Forum: Audio/Stereo 11-18-2014, 12:58 AM
Replies: 6
Views: 386
Posted By David Analog
Expounding a bit on what Jim wrote, every...

Expounding a bit on what Jim wrote, every crossover filter, whether highpass or lowpass, goes through a phase rotation/progression. In a normal complimentary crossover the opposing filters are...
Forum: Audio/Stereo 10-17-2014, 05:14 PM
Replies: 6
Views: 514
Posted By David Analog
Probably a different guy. I don't think the Odin...

Probably a different guy. I don't think the Odin I know is that old.
Forum: Audio/Stereo 10-17-2014, 11:11 AM
Replies: 6
Views: 514
Posted By David Analog
The JL Audio tech is giving you information as if...

The JL Audio tech is giving you information as if you are operating in an enclosed vehicle cabin. He either doesn't understand or has no experience in open-air audio applications.
On the other hand,...
Forum: Audio/Stereo 10-15-2014, 06:27 PM
Replies: 8
Views: 625
Posted By David Analog
Yes, but the Clarion remote control does not have...

Yes, but the Clarion remote control does not have fader which is why you should have both JL Audio controls at your fingertips. You need full and independent accentuation/attenuation of both...
Forum: Audio/Stereo 10-15-2014, 03:58 PM
Replies: 8
Views: 625
Posted By David Analog
You are going to be sorry if you do not have full...

You are going to be sorry if you do not have full dual level controls (one for the in-boat zone and one for the tower zone) side-by-side and convenient.
Two channels @ 75 watts each will not be...
Forum: Audio/Stereo 10-10-2014, 12:03 PM
Replies: 8
Views: 625
Posted By David Analog
Blackhawk, You can use the preamp fader on your...

Blackhawk,
You can use the preamp fader on your source unit as a zone control although that may not place the control in a convenient location.
You can use the JL Audio CL-RLC to control your in-boat...
Forum: Restorations and Refurbishments 10-08-2014, 11:56 AM
Replies: 175
Views: 9,213
Posted By David Analog
Quote: "I still need to play with the crossover...

Quote: "I still need to play with the crossover on the REV-10s
I like the tower speakers to be crossed over much lower so there is some low-end coming out of them alone.
We don't play the stereo and...
Forum: Audio/Stereo 10-01-2014, 06:39 PM
Replies: 10
Views: 931
Posted By David Analog
For an inexpensive amplifier try the JL Audio...

For an inexpensive amplifier try the JL Audio JX360.2 bridged.
Forum: Audio/Stereo 09-25-2014, 06:10 PM
Replies: 8
Views: 716
Posted By David Analog
'Symmetrical' does mean the 'same'. But usually,...

'Symmetrical' does mean the 'same'. But usually, and especially with a 10-inch IB woofer, 80 Hz is too low. 50 to 80 Hz is where you perceive most of the bass energy. Either a sealed or IB 10-inch...
Forum: Audio/Stereo 09-25-2014, 10:52 AM
Replies: 8
Views: 716
Posted By David Analog
Do NOT use any bass boost in an open boat. It...

Do NOT use any bass boost in an open boat. It robs you of too much power with very little audible benefit and is just likely to introduce distortion.
The tower zone should always be 'Highpass'. You...
Forum: Audio/Stereo 09-13-2014, 12:24 PM
Replies: 53
Views: 4,207
Posted By David Analog
With considerable ease you can take a...

With considerable ease you can take a female-to-female RCA barrel connector and short the left to right channels of the RCA input at the source end, leaving the RCA plugged into the amplifier input....
Forum: Audio/Stereo 08-28-2014, 05:37 PM
Replies: 4
Views: 483
Posted By David Analog
The JL Audio XD amplifiers are tough to beat....

The JL Audio XD amplifiers are tough to beat.
You absolutely must have a dedicated channel per each M770 in-boat speaker. So an XD800/8 would be much better. If you already have the 600/6 then add...
Forum: Audio/Stereo 08-27-2014, 10:05 PM
Replies: 9
Views: 854
Posted By David Analog
Clarion HUs really are not a regular culprit for...

Clarion HUs really are not a regular culprit for noise. There was a short term issue where the sub RCA output shields on a select model where not terminated to chassis ground which certainly invited...
Forum: Audio/Stereo 08-27-2014, 04:14 PM
Replies: 5
Views: 772
Posted By David Analog
Just being thorough. You don't want to replace or...

Just being thorough. You don't want to replace or send off for repair a HU without being certain. And a newer replacement will not interface with the changer or those specific remote controls.
I...
Forum: Audio/Stereo 08-27-2014, 11:49 AM
Replies: 5
Views: 772
Posted By David Analog
It points to the source unit (HU). Check the...

It points to the source unit (HU).
Check the supply voltage to the HU, both switched and constant.
Check the molex at the back of the HU to make sure it is secure and all pins are seated well.
Use...
Forum: Audio/Stereo 08-13-2014, 10:57 AM
Replies: 1
Views: 414
Posted By David Analog
You will need to run a dedicated switched 12-volt...

You will need to run a dedicated switched 12-volt 2-conductor fused circuit. I would not tap into the factory courtesy/step light circuit as the two functions will often be used independently.
Check...
Forum: Audio/Stereo 07-31-2014, 06:32 PM
Replies: 8
Views: 569
Posted By David Analog
For now, you only need to read DC voltage. Check...

For now, you only need to read DC voltage.
Check the voltage across the amplifier terminals (rather than the supply) and while the amplifier is under load (meaning while it is playing).
* Neg. to...
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