Showing posts with label power amplifiers. Show all posts
Showing posts with label power amplifiers. Show all posts

11/25/2012

JBL EON 515 Lightweight Two-Way 15-inch 450-Watt Self Powered Speaker with EQ and 3 mix Inputs Review

JBL EON 515 Lightweight Two-Way 15-inch 450-Watt Self Powered Speaker with EQ and 3 mix Inputs
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I have worked with various self powered speaker enclosures over the years from 8", 10" 12", 15", and 18" powered sub-woofers. All of these speakers work well but I find the JBL EON series to have the best overall performance and looks. These boxes can put out a punch...more than expected. The EON's have built in limiter to prevent you from killing the drivers. I've never heard distortion from an EON. I especially like the new looks of the series 3 EON's. I've grown tired of the round woofer and rectangular tweeter design that so many copy. They look cool for the techno-geeks the the average listener doesn't care about how a speaker looks. The new design is less conspicuous and blends in with the surroundings than the older designs. I plan on buying many more EON's for my systems. An unexpected feature is the JBL logo on the front of the box lights (or can be turned off). I've found this helpful in making sure the speaker is powered...where in my case a circuit breaker tripped and I noticed the light was off on one box which led me to find and fix the problem.

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11/16/2012

QSC GX5 Stereo Power Amplifier Review

QSC GX5 Stereo Power Amplifier
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I bought the QSC GX5 stereo amplifier for use in my band's practice studio. We previously used a Mackie mixer/amp setup and we recently bought an Allen & Heath mixer along with the QSC Amp. We've gone from a little noisy system to an absolutely silent (no hiss, no noise) system even when turned all the way up. It's nice! We A/B'd the amps and while the Mackie is rated to have more power, the QSC is clearly punchier and so much cleaner. I can't say enough about how nice this amp is. I've owned Crown, Crest and Yamaha amps as well and none of them were cleaner than this one.
As for durability, it's still new BUT QSC is offering a 6 year warranty for free on this model (until March 09) so I can't imagine they would do this if these amps were a service problem.
Oh and it looks great in my rack. I read somewhere that the amp is noisy when the cooling fans get going. Knowing this, I cranked the amp full and ran a punchy CD through the mixer full blast (no distortion!) and waited while the amp warmed up. After it reached operating temperature, the fan(s) indeed came on but by no means were they "loud." If I had this amp in a recording studio, I would have the amp in a soundproof room or enclosure as I suppose the fan could be audible during very quiet recording sessions. On the other hand, it is reassuring that I know the fans are indeed working, keeping the rails cool. For live sound, it just isn't a real issue.
Now I'm considering getting another QSC for a monitor amp. I heartily recommend this amplifier.


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11/01/2012

Behringer PMP3000 1,200-Watt 16-Channel Powered Mixer Review

Behringer PMP3000 1,200-Watt 16-Channel Powered Mixer
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We bought this powered mixer to replace a defective one at our church. Our sanctuary can seat 900 people and so it is a fairly large auditorium. The mixer has more power than the previous powered mixer and many more features. I especially like the individual channel mute buttons so we can kill a mic without having to move the gain adjustments. The only thing I did not like about this mixer is there was no block working diagram available. So we had to construct one for ourselves. To a trained eye, by using a block schematic diagram, it is easier to know how to set up the mixer for different applications and to troubleshoot a problem.
The actual steady state power output is more like 200 watts (each of the two stereo outputs)for our 8 ohm speaker system but still is greater that the old powered mixer. That is a total of 400 watts as compared to the (at first glance) advertised 1200 watts. We do not have to use the maximum gain on any channel so the output is fine for our use. There is also a headset output that follows the actual powered signal which can give you a better idea of mixed signal that is sent to the speakers and to our DVD and CD recorders.
The people at Behringer were able to answer all my questions without any problems so tech support was great. We did have a little difficulty in figuring out how to use the FX special effects (reverb, etc) generator but once we did figure it out, using it was just as advertised. You can probably guess that the instruction manual is not extensively done. But with a limited budget for an emergency purchase of a powered mixer, we are thoroughly satisfied with the quality and price.
The price is exceptional and caused a few doubting comments about how could we get what we needed for such a small price. We have been using the unit for two months now with absolutely no problems.
My suggestion is that before you purchase this unit, download the instruction manual from the Behringer site. You will see the output connection is not a 1/4 jack. If that is what you have, you will have to buy an adapter or convert the present cable connection to the new type. The adapters or connectors are not very expensive (Neutrik NA4LJX Speakon To 1/4" Mono Jack Adapter)and cost under $11 including shipping. You can optionally by the Speakon connectors and convert the speaker cable to the new connector type.

Click Here to see more reviews about: Behringer PMP3000 1,200-Watt 16-Channel Powered Mixer

If you need superior stereo sound for small club gigs, churches or speeches, but have to keep the outboard gear to a minimum, the 16-channel PMP3000 can deliver. This 1,200- Watt mixer has built-in mic preamps and an FX processor, as well as enough power to drive mains and monitors, thanks to dual onboard 600-Watt power amps.

Massive Mono or Stunning Stereo The PMP3000 gives you the choice of 2 x 600-Watt stereo, 2 x 600-Watt dual mono or 1,200-Watt bridged mono sound. Whether the center of attention happens to be a folk trio, a speech, or a synth-rock band with mind-boggling stereo patches, the PMP3000 can accommodate. This sonic versatility also makes it an excellent choice for churches, where vocals and stereo recordings often share face time.
Classic Control, State-of-the-Art Sound Leave the mic preamps at home, because the quality of sound that was once only available in the studio is ready to go wherever you do. Eight built-in, boutique-caliber mic preamps with switchable +48 V phantom power make it possible to use either dynamic or condenser mics with the PMP3000.
Built-in Digital Effects Processor The PMP3000 is also equipped with a 24-bit FX processor, giving you 100 mind-blowing digital effect presets such as delay, chorus and reverb. Apply them to any channel, as well as to the monitors and main output. In case you're pulling double duty as sound engineer and performer, the FX processor features a footswitch jack for remote on/off.
Changing the Channels The PMP3000 gives you excellent flexibility to accommodate whatever a performance requires. Channels 1-8 are for mics, guitars and other mono instruments. Stereo channels 9-16 are ideal for keyboards. All mono channels have 3-band EQ, switchable Low Cut filter for eliminating infrasonics, and Clip LEDs to indicate when the input signal is too hot.
The Ins and Outs Use the CD/TAPE IN RCA inputs to feed in external stereo signals from CD players or tape decks. The VOICE CANCELLER switch eliminates the vocals from pre-recorded music for karaoke applications.
CD/TAPE RCA outputs send line-level signals from the mixer to a recording device. Left and right output 1/4" connectors are there in case you need to connect more power amps. Connect your monitor power amps or active monitor speakers to the MON SEND output.
A STANDBY switch mutes all mic channels during breaks, preventing the microphones from picking up noise or interference. You can leave all faders untouched while you play a CD via the CD/TAPE inputs.
The FBQ Feedback Detection system automatically shows you which frequencies are causing feedback. Just touch the FBQ button and watch the red LEDs on the 7-band graphic EQ pinpoint which frequencies to adjust for optimized sound, without the feedback.
Speaking of Optimized Output The PMP3000's POWER AMP switch toggles between three operating modes: MAIN, MON/MONO and BRIDGE (the power outputs of A and B on the back panel are added and provided at OUTPUT B). Dual mono mode allows you to use Output A for mono Mains and Output B for monitors. This clever functionality powers both your mains and monitors without the need for an additional power amp.
What's in the Box Behringer PMP3000 Powered Mixer, Power Cable, User's Manual

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10/16/2012

JBL Control 29AV1 Indoor Outdoor Speaker (8 inch, 300 watts, Black) Review

JBL Control 29AV1 Indoor Outdoor Speaker (8 inch, 300 watts, Black)
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Before you purchase this speaker, you need to realize it's intended application. Unless you've seen this speaker in action, and prefer the sound, you'll probably be able to get "better sounding" consumer speakers for the same price. However, you won't find one that's as robust as this. These are used in many theme parks and commercial applications throughout the world.
The Control 29 is probably the brainchild of JBL Pro's extended speaker lineup from the original Control Contractor line, which originally only included the Control 23, 25, and 28. Along with the SB-210 and the Control 30, these are designed differently from the original line. Unlike it's bigger and smaller siblings, this speaker has underwent two revisions (29AV and 29AV-1). Though it uses an 8" driver, the same size found in the Control 28, the frequency range and overall output is much higher than you'll expect. It also has more suspension options, which include points throughout the speaker, though the Invisiball mount is still included. It also included a more durable grille design than the Control 23, 25, and 28. Accessories are also included with this "premium" speaker, such as a weather resistant cover for the terminals that normally cost around $30 with the small Control speakers. Overall, if you're looking for a weather resistant speaker that's capable of high output, I suggest you take a good look at this speaker. If you need more power, consider looking at the Control 30. If you're looking for less, but still want a good sound, look at the Control 28.

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Peavey CS4080 - 4080 Watt Power Amplifier Review

Peavey CS4080 - 4080 Watt Power Amplifier
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I have three of these and they are great. I have never had one of them clip. I DJ fulltime and use only one of these per system. This is all the amp I need regardless of club size. Now they are cheaper than when I bought them, I paid twelve hundred, now they are nine fifty. Great price for a great product. Oh yeah, these babies have a 5 year warranty. Because of a specifiec issue I encountered, one of my amps blew, fried, went bye bye.(if anyone tells you hitting or smacking a microphone like a drum won't hurt anything tell then to kiss your @ss. It caused a power surge which fried my amp) I sent it back and Peavey repaired it and sent it back...free of charge. Well, I had to pay shipping. They didn't even ask for a receipt, since this series has been out less than 5 years. This amp is heavy, they now have light weight series, as in around 10 lbs.

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10/07/2012

Behringer EPX2000 Professional 2000-Watt Light Weight Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology Review

Behringer EPX2000 Professional 2000-Watt Light Weight Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology
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After thorough research on multiple websites I determined that the Behringer EPX200 was the right amp for my situation. The applied situation for this amplifier is for a fraternity house sound system. So, I emphasize the word rugged in the title, haha. It's been almost a month now and this amp is put through its paces multiple times throughout the week. It's powering two Nady 500 watt speakers and they sound great. This amp puts out plenty of power, and the limiter switch on the back is great because it keeps people from doing harm to the amp or the speakers who don't know how to use it. Seriously, even in a large room, this amp pumps out the sound.

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9/11/2012

Behringer EPX3000 Professional 3000-Watt Light Weight Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology Review

Behringer EPX3000 Professional 3000-Watt Light Weight Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology
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I used to use Crown amps and since I bought a Behringer EQ (FBQ 1502) I decided to go to the NEW epx model.
It's just amazing, great punch, lightweight, and very well construction.
I think Behringer made this amp really good.
For its price you can't get a better amp. Trust me.


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8/25/2012

Crown XLS1500 Power Amplifier with integrated PureBand Crossover System and PeakX Limiters Review

Crown XLS1500 Power Amplifier with integrated PureBand Crossover System and PeakX Limiters
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I'm a mobile DJ and this crown amp is perfect for me. One of the issues of being a mobile DJ is lugging your equipment around. Not a backbreaker any more with this amp. I have the XLS1500 and it weighs less than 9 pounds. Not only that, the power is perfect for my set up. I'm using two 12" JBL's with a continuous rating of 500 @ 4ohms, and the peak meters on the amp don't even move when cranked up at a pretty good volume. If you're looking for power and wouldn't mind lightening up your load, this is the amp to go with.

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8/14/2012

Peavey PV 1500, 1500 Watt Power Amplifier Review

Peavey PV 1500, 1500 Watt Power Amplifier
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i really like this amp great price great product and i would buy from amazon.com again.

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8/05/2012

DBX DriveRack PX Powered Speaker Optimizer Review

DBX DriveRack PX Powered Speaker Optimizer
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WOW! Think about this thing as a magic wand for your sound system. Even though I only know how to work the wizards, I can already hear the difference. The sound is nice and tight, and I am able to get the bass I love out of my system (2x Mackie SRM450's and a Cerwin Vega CVA-115 sub, second one coming soon!). I started playing around with the compressor and the EQ and I'm amazed at how great my speakers sound. I can't wait to learn how to fully use all the features. I've already told some of my DJ friends to get this. Also, the feedback suppression system on this is great. I DJ weddings and other formal and corporate events. I don't have any complaints so far!

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7/31/2012

Crown XLS1000 Power Amplifier with integrated PureBand Crossover System and PeakX Limiters Review

Crown XLS1000 Power Amplifier with integrated PureBand Crossover System and PeakX Limiters
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A few years ago my NAD power amp died after nearly 25 years of service; a good run for a fine piece of gear. Anyway, at the time my budget was very tight, so I deployed a Sansui integrated I had in the closet. That meant my Audio Research SP9II has been sitting unused--a shame because it's a fine late 80s preamp (and worth getting even now if you find one at a nice price). I recently decided to get the SP9II back in action, so I needed a power amp. But I still don't have funds for anything too pricey (meaning much above $400. Yeah, I know by audiophile standards that's petty change.) There's not a lot to choose from in that range. The little AudioSource amps get a lot of good reviews, but also a fair number of bad reviews. So I decided to check out the pro amps used by musicians and studios. Pyles were quite cheap, but not universally respected. Behringer was a possibility, but I know little about that company. Then I found the Crown XLS 1000 on sale for c. $250. The other amps in the series got solid reviews, the company was noted for rugged construction and high quality, and it had a good 3 yr. warranty. It was also a featherweight, under 10 lbs. (Appealing to me, with a dicky back.) Sold. When I hooked it into my Marantz CD changer & SP9II & satellite/sub system I immediately realized what I'd been missing with the Sansui (not a bad amp, but not exceptional). A semblance of soundstage opened up; dynamics improved notably; everything is just more vivid and detailed. The SP9II and the XLS 1000 make a terrific team. So, if you need a power amp for a home audio system, consider the XLS 1000. For a bit more money, the models higher in the line (1500, 2000, 2500) will give you more power. But I think if you're driving just a fairly efficient home speaker system (as I am), and you're an audio miser, this will do nicely for you.

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7/02/2012

VocoPro SV-500 (Pair) 10 3-Way Vocal Speaker Review

VocoPro SV-500 (Pair) 10 3-Way Vocal Speaker
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i have high-end 7.1 surround speakers for my home theather. so when i bought a karaoke & equalizer & pre-amp units, i thought i was done. wrong.
you need these vocal speakers! period. loud yet clear and crisp. they bring out the vocal, and the right mix of mid and high . a little weak at the low bass, but im sure its by design, can be easily compensated with existing sub-woofer or by adjusting the EQualizer.
highly recommended.


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6/06/2012

Behringer Europower EP4000 Professional 4,000-Watt Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology Review

Behringer Europower EP4000 Professional 4,000-Watt Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology
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i recently bought this amp and im impressed with the capabilities of it,the variuos settings etc.i played this side by side with the xti 4ooo crown amp and liked what i heard,especially on the microphone.i have a family reunion coming up and this is making the trip.the mixer is the behringer mixer 1804 with a 3102 eq,and the 1124 feedback destroyer and the behringer eurolive b1220 pro speakers,all from amazon .com,a great combination,great prices.for use as djing this is a good amp,as i strongly recommend it.ony thing it is a little heavy but its high current so,it is what it is.thaks paul

Click Here to see more reviews about: Behringer Europower EP4000 Professional 4,000-Watt Stereo Power Amplifier with Atr (Accelerated Transient Response) Technology

The EP2000 and EP4000 represent everything musicians love about Behringer's popular EP1500/EP2500--excellent sound quality, road-worthy toughness and reliability, low-noise operation and incredible power. With 2,000 and 4,000-Watts respectively, the EP2000 and EP4000 amplifiers are perfect for medium-sized club gigs, mobile PA systems, church services or public spaces.

Everything You Need, Nothing You Don't The uber-simple front panel controls of these amps give you all of your sound's vital signs at a glance. After flipping the MAIN switch, the POWER LED will light when the amp is ready for action. Both channels have independent gain dials as well as clip LEDs that indicate when the signal is distorted and you need to reduce the gain. There are also SIGNAL LEDs that light up when a signal is present at the input.
Panel Discussion A panel of switches found on the back panel offers an array of cool options to apply to both channels of the EP2000 and EP4000. The Clip Limiter lets you get even more out of the amplifier without overdriving either it or your speaker system. Built-in circuitry automatically senses when the EP2000 or EP4000 is being overdriven into "clipping" and then momentarily reduces the input level to avoid clipping distortion. This all happens in a few thousandths of a second, so it's an inaudible way of avoiding audible clipping distortion. Of course, you can turn the Limiter off if you're feeling lucky.
Ultra-low frequency sounds (infrasonics) are caused by rickety stage vibrations, mic thumps and wind noise. While technically inaudible, they can cause a huge drain on amp power, potential damage to your speakers and a sludgy sound in the audible bass ranges. Both EP models feature a defeatable Low Cut Filter that chops off unwanted frequencies below 50Hz or 30Hz (depending on your PA system's capabilities).
The same panel contains the switches that allow you to put these amps to work in either stereo or bridge (mono) mode. Both the EP2000 and EP4000 can be linked to additional power amps by switching into parallel mode.
These Amps Have Guts There's plenty of awesome features on the outside of the EP2000 and EP4000, but there's also a team of cool components on the inside helping it work its magic. They come loaded with famously reliable Toshiba/Fairchild power transistors as well as a high-current toroidal transformer for ultra-high transient response and further reliability. Independent DC and thermal overload protection on each channel automatically protects the amplifier and speakers from any show-stopping meltdowns. There's no need for fuses, giving you one fewer potential mid-gig headache.
The EP2000 and EP4000 have both XLR and 1/4" TRS inputs. Even the outputs are totally flexible, consisting of Speakon-compatible outputs and five-way binding posts. Whether you're dealing with bare wire or boutique audiophile cabling, the EP2000 and EP4000 are right at home.
The exhaust fan, visible on the back panel, is the final stage of an internal front-to-back cooling system that keeps these amps working in the mild temperatures they love, even through periods of extended use. Finally, an impact-resistant, all-steel 2U rackmount chassis helps these workhorses stand up to all the rigors of the road.
Accelerated Transient Response Delivers the Knock-Out Punch It takes huge pulses of energy (current and voltage) to propel a woofer cone out fast enough to match a bass beat. That's called Transient Response and it's the holy grail of amp designers. By carefully selecting transistors with extremely highslew rates and optimizing other proprietary parts of our circuitry, our amps are able to react instantly to even the most demanding electronic bass impulses. If the woofers in your PA system can keep up, your audience will hear a tighter, crisper, more natural sound.
The Legend Powers On If you read the reviews of the EP2000 and EP4000's older brothers, the EP1500 and EP2500, and it's clear that those amps are renowned not only for their performance and durability, but also their astoundingly low price tags. The EP2000 and EP4000 extend that legacy to the next level.
What's in the Box Behringer Europower EP4000, Power Cable, User's Manual

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