JBL JRX115 15-Inch Classic 250W Continuous Two Way Portable Loudspeaker

!±8±JBL JRX115 15-Inch Classic 250W Continuous Two Way Portable Loudspeaker

Brand : JBL
Rate :
Price : $274.95
Post Date : Dec 25, 2011 06:45:46
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JBL JRX115 15 Inch Classic 250W Continuous Two Way Portable Loudspeaker in a Black Carpet Covered Cabinet for Pole Mount, DJ and FOH Applications.

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Metal disc tweeter, agenda box speaker, Realistic SA-10 amp

!±8± Metal disc tweeter, agenda box speaker, Realistic SA-10 amp

Many boomboxes and stereos in the '80s and '90s had little metal discs "tweeters," often with grilles shaped to make them look like horn tweeters, that were wired up but didn't seem to actually do anything. Here I solve the question of whether these "super tweeters" really make any sound or if they're just totally fake. I also demonstrate one of a pair of 12-inch vintage 1962 woofers that were rescued from a Lowrey Brentwood tube-type electronic organ that was being dismantled about 7 years ago. I've had them crudely bolted into a pair of cardboard boxes ever since, and now I'm thinking of finally giving them a proper home in some real speaker cabinets with good midranges and tweeters to match. Providing the sound for both is a 1986 Realistic SA-10 mini stereo amplifier. This was one of Radio Shack's longest-lived pieces of audio equipment, sold all the way from the 1970s up to 1994. With 1.2 watts per channel it won't rattle any window panes, but its simple 10-transistor design gives excellent unmolested clean sound.

Metal disc tweeter, agenda box speaker, Realistic SA-10 amp

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Gallien-Krueger 115RBH Bass Guitar Cabinet (400 Watt)

!±8± Gallien-Krueger 115RBH Bass Guitar Cabinet (400 Watt)

Brand : Gallien-Krueger | Rate : | Price : $639.00
Post Date : Dec 05, 2011 20:17:24 | Usually ships in 24 hours

400 watt, 8 ohm bass cabinet with 1x15" Paragon Cast frame speaker and horn.

• 400 Watts RMS/ 8 ohms
• 1x15" Paragon Cast Frame Ceramic Driver
• High Quality Horn Tweeter
• Horn Bi-Amp and Passive Crossover
• Speakon Cable Included

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3rd Demo - Dual W8Q-1071F Tapped Horn

!±8± 3rd Demo - Dual W8Q-1071F Tapped Horn

One more excursion video of the dual Tang Band 8x12" 16Hz tapped horn. After discovering a loose screw on one of the drivers in the last video, I decided to re-test using Flight of the Phoenix at reference levels to see what changed now that the air leak at the front driver is gone. This is the result. Power provided by a bridged QSC RMX-1850HD (about 1100W), highpassed at 10Hz. Note that the SPL meter is set on its highest setting, recording peaks in excess of 126dB. This amounts to about 122dB peaks at my listening position. The distortion you hear is massive amounts of low frequency energy overwhelming the camera's microphone. This thing was literally vibrating the concrete floor around the horn mouth.

3rd Demo - Dual W8Q-1071F Tapped Horn

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15" CUSTOM DJ SPEAKER BOX

!±8± 15" CUSTOM DJ SPEAKER BOX

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15" CUSTOM DJ SPEAKER BOX

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Line 6 DT25 Amplifier Combo, Head and Speaker Cab

!±8± Line 6 DT25 Amplifier Combo, Head and Speaker Cab

Available from www.gear4music.com an introductory video to the Line DT25 series Cabinets, Heads and combo amplifiers. Four boutique tube amps in one, so you can find your tone. Buy now at Gear4music.com

Line 6 DT25 Amplifier Combo, Head and Speaker Cab

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Whole House Audio-Video, Intercom, Surveillance and Lighting Automation

!±8± Whole House Audio-Video, Intercom, Surveillance and Lighting Automation

My name is Stuart Richardson - I've been installing custom Audio/Video systems in Southern California for over 15 years (L.A. and Orange County), and have seen a lot of good and bad along the way. If you're interested in learning more about the best in whole-house A/V and lighting automation, read on to fill-up on the latest and greatest...

Probably the best place to start is at the beginning, with a description of some of the things you should expect from a modern whole-house system: the electronic heart of today's luxury home is the Low Voltage Distribution Panel - this is a centralized in-wall enclosure (usually made from formed steel) which houses the 'home runs' of most of the TV, telephone, and network cabling for the house. When I say 'home run', that means any group of cabling that begins in one single location and fans out from there - this is the preferred cabling method by today's standards (although not all cabling needs to be home run...). Along with the cabling, this distribution panel will also contain various termination equipment for each type of signal: RG6 cabling for TVs will terminate into an RF splitter and/or amplifier, telephone cabling (usually CAT5) will converge into a variety of phone blocks, and Ethernet cabling (again CAT5 or CAT5e) will go into a network switch or hub (in combination with the router or gateway device).

Audio/Video cabling is typically home run to a different central point, usually within close proximity to the home's main home theater system. This includes speaker cabling to as many different rooms as can be imagined, in combination with various control cabling (usually CAT5) for remotely controlling centralized A/V equipment. Most home systems are strictly for distributed audio, but today's top-of-the-line systems also offer distributed video - this allows, for instance, someone in one of the upstairs bedrooms to watch a DVD from the main system downstairs, and simultaneously listen to the audio from in-wall/in-ceiling speakers.

Of course the Home Theater system is key - the best systems will feature a projection or plasma display. If it's a projected picture, the screen can either be fixed (perhaps behind a motorized curtain, like in big theaters) or one which automatically extends when the projector is switched on. Speakers can be any combination of in-wall, in-ceiling, or conventional cabinet-style speakers - this includes the latest in thundering subwoofers (which can also be hidden behind walls or ceilings - or under the floor...). The sound processor should be able to decode a variety of signals, including AC3, DTS, and a few other less popular formats.

Remote controls have come a long way, and high-end systems should include what's now called "positive control": this type of system actually gets feedback from the various system components (via a mesh of tiny wires for current sensing, signal sensing, etc.) to determine the power status, then uses if/then/else logic for conditional control. Here's one example: you come into the theater room to watch a movie, and simply press 'Watch DVD' on the remote control. This sends the signal to a processor, which discovers that someone left the tuner on and the TV off. It compensates for this by turning on the TV, switching the tuner input to 'DVD', and pressing 'Play' on the DVD player. It then dims the lighting by 90%. This is what's considered a 'smart' system, and can be found with names like Elan and Niles.

And that brings us to lighting control - the big name is Lutron. This company offers a few different systems and methods to dynamically control the lighting in any home - the most popular of which uses the RadioRA controllers. These include high-end wall plates and/or table top remote controls which use RF (Radio Frequency) to wirelessly control lighting relays from a distance, and can be controlled by Audio/Video remotes for that real theater experience. One of the other benefits of Lutron's wall plates is the ability to control up to 5 switches in one single-gang unit.

Other features of the latest whole-house systems include distributed surveillance: imagine being in the back room of a very large house and the doorbell rings. Instead of dropping everything just to find out it's a pushy solicitor, you just look at the 7" color wall controller in front of you and see who's there. Pick up the phone and talk to them (through a speaker in the doorbell mount) - without even getting up. Then tap the touch screen once to see if the baby is awake on camera 2, or watch all four cameras in one single quad-view!

It's obvious that we've come a long way since the rotary volume controls you see on the walls of many older homes - these can still be useful and save you some money if you're not hungry for features.

Whole House Audio-Video, Intercom, Surveillance and Lighting Automation

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Fender VK 212 B Speaker Enclosure, Black

!±8± Fender VK 212 B Speaker Enclosure, Black

Rate : | Price : $499.99 | Post Date : Nov 20, 2011 08:31:02
Usually ships in 24 hours

This smart extension cabinet works perfectly with the Vibro-King Custom and other amplifiers. Features include closed-back birch plywood enclosure, textured black vinyl covering, silver grille cloth, dual 12" Celestion Vintage 30 speakers. Rated for 140 watts at 4 ohms.

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Fender Band-Master® VM 212 Speaker Enclosure, Black

!±8± Fender Band-Master® VM 212 Speaker Enclosure, Black

Brand : Fender | Rate : | Price : $374.99
Post Date : Nov 01, 2011 00:30:10 | Usually ships in 24 hours

The Band-Master VM 212 enclosure mates with the Band-Master VM Head (or other quality amplifier) for onstage versatility and great Fender tone. Its premium birch-ply construction and Celestion G12P-80 speakers deliver fat, woody bass response and clear highs. **Note: Enclosure pictured with amplifier. Amplifier is not included.**

• Premium birch-ply construction is built to last.
• Celestion G12P-80 speakers deliver fat, woody bass response and clear highs.
• Black textured vinyl and silver clothing offers a traditional Fender look.

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Guide to Advent Speaker Repairs

!±8± Guide to Advent Speaker Repairs

One of the most common pastimes for vintage audio enthusiasts is Advent Speaker repair. Not because they enjoy it but because it is a necessary point of the game. There are many things that will require advent speaker repair - water damage, physical damage, component failure and of course, the dreaded foam disintegration.

The first thing we need to understand is what we can and what we can't repair in an Advent speaker. The good news is that Advent speakers are relatively simple as far as electronic systems go. We can repair the enclosures, the tweeter and woofer foam, and in many cases, we can replace the electrical components and wiring. While technically, everything can be fixed individually on an advent unit, you may not want to bother if multiple components are busted, especially the cross over and the enclosure itself.

Advent Speaker Repair Preparation:

So, before we go any farther, it is our personal recommendation that you hire out a professional to fix up your advent speakers if the Advent Speaker Repair is anything other than re-coning. And we recommend this double if you want the job done right and professionally - It will end up saving you both headaches and money. That said, we do endorse fixing loudspeaker cones and that is what we are going to talk about here. If you are a DIY kind of person and ok with your speakers being out of commission for a while, read on!

Before you begin your Advent Loudspeaker Repair your advent speaker cone, you will almost certainly need an exacto knife and a reconing kit. If you are under the age of 18, please consult your parents before undertaking a project like this with potentially dangerous tools like exacto knifes.

So on to loudspeaker reconing! Speaker reconing is probably the most common and luckily, the cheapest Advent loudspeaker repair that is regularly required. In order to re-cone a loudspeaker, you will need a basic level of mechanical skill. Basically, reconing means the removal and replacement of the loudspeaker cone. This can be done in roughly 1 hour and there are generally kits that will come complete with all the parts you need, as well as instructions and glue.

Advent Loudspeaker Repair Steps:

First you will need to determine what model of loudspeaker you have. You can usually find this on the back of the cabinet on a sticker or stamped on the material. After writing down this information, you will need to remove the speaker. After removing the loudspeaker, measure the diameter and check for any addition marketing on the speaker to make sure you have the right model. Once you know your model, you will be able to track down the proper reconing kit using a search tool like Google. You should also try to contact reputable dealers when looking for parts, quotes and genuine reconing kits (if available). A quality reconing kit will make sure you have all of the required instructions and materials for the next step.

The next step? Read the directions. Seriously, no 2 speakers are exactly alike so your best bet is to follow the directions in the reconing kit for your specific loudspeaker model. If you aren't up to the task, there are plenty of Advent speaker repair and general repair shops that will happily recone your loudspeaker. Once again, take it to Google to find someone near you. You should now have an excellent grasp on Advent Speaker Repair and know just what to do when you blow your first cone!

Guide to Advent Speaker Repairs

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