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Ads speakers l300c

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Ads speakers


Inexpensive tweaks that can improve the presentation of your speakers. We at Madisound are often asked about what is the best way to upgrade older or vintage loudspeakers. In fact there are many ways to improve on sound, whether perceived as too dull, too bright or boomy, or not enough dynamics, for some examples. Loudspeakers vary greatly in build quality, from the drive units, cabinets, and wiring to the internal electrical parts.

Rather than spending thousands of dollars to achieve results, we will suggest some simpler and less expensive solutions involving some straightforward modifications that almost anyone can make. The purpose of this guide is not to address loudspeaker design or crossover theory but to rather offer some inexpensive tweaks that can improve the presentation of your speakers. Over time, loudspeaker components tend to decay. Many loudspeakers over twenty years old contain parts that have either decayed over time or were of poor quality in the first place.

Organic materials in the drivers can dry rot while many types of capacitors can dry out and lose their effectiveness. Upgrading woofers for example can increase the bass response and power handling of your system. However once you are at the point of replacing all drivers and electrical components, it may not be practical and you might be better off just starting from scratch, which could save time and money in the long run. It really depends at that point how much you like the original cabinets, and what condition they are in and if they used good quality materials.

Madisound offers many brands of replacement loudspeakers and crossover parts. How difficult these modifications will be depends on how easy it is to gain access to the cabinet interior.

Access is usually gained by removing the largest drive-unit. Again, if your goal is to upgrade the loudspeakers with higher quality drivers, you should first consider whether the quality of the cabinets and crossovers is worth the cost of the new drivers. It may be more cost-effective to build a new loudspeaker system. Many older crossovers used cheaper parts such as electrolytic caps which tend to lose their effectiveness over time.

Non-polar electrolytics are known to age or dry out over time and adhesives can lose their grip. Note: When a capacitor begins to dry out it is losing its wetting agent. This causes its value to diminish and its equivalent series resistance ESR to increase until it is no longer passing any signal. This can happen slowly or over time and may go unnoticed until gone completely.

Upgrading to better parts in the signal path will improve overall resolution and transparency of the network, resulting in better performance of the loudspeaker. Important to note: it is the components in series with the drivers that are the important ones to look at for upgrading.

Suggested upgrades include the Mundorf and ClarityCap brands , which make excellent upgrade for hi-pass caps on tweeters. The Goertz copper foil inductors are ideal for low-pass inductors. Please see our web site for more detail on these brands. Even when new, many lower grade electrolytics have a large ESR. So when you replace with a film type you may notice the levels have changed and some attenuation is needed.

Some caution is needed when replacing the coils. Throwing copper and money at the woofer may not make things better. Sometimes when forced to use coils with high direct current resistance DCR , the manufacturer used that to their advantage in the bass alignment.

Replacing with a lower DCR coil could result in thin bass, or it could come alive. In the shunt circuits parallel parts , best to leave the original inductors as is. Changing to too low a DCR can change the Q of the roll off and make the tweeter or midrange sound harsh.

That may be an issue if it is an older speaker that you are updating. Once you know the value of a component, that is the resistor, capacitor or inductor, you should be able to buy a replacement. Replacing crossover parts is fairly straightforward in most cases.

First you must remove the existing component, typically hardwired to each other or soldered to the back of the speaker terminals or mounted on a circuit board. The new components are then soldered in position. Keep in mind the better grade parts tend to be physically larger due to higher working voltages and thicker film. Always ensure you have room on the original circuit board and inside the loudspeaker, if they are internally mounted, as most are.

Sometimes the component values will be clearly marked but if not, you will need a network schematic for the crossover. It is possible in many cases to upgrade to better quality loudspeaker drivers. However, once you go beyond simply replacing a tweeter or woofer to a completely new driver complement, the original crossover network, being designed for different drivers, is unlikely to integrate the new drivers properly. At that point, you are perilously close to a complete rebuild. No longer a simple upgrade at that point!

Variables that affect driver replacement include basket size, cone or dome materials, voltage sensitivity, impedance, and so on. Please refer to our Madisound retrofits page for general guidelines on woofer replacement. Midranges and tweeter replacement tends to be more complicated. Sometimes it is possible and practical to repair the surrounds of the original woofers.

It is best to consult with one of our salespersons if you are unsure about this. This may not always be practical, especially on smaller cabinets, but nevertheless consider adding bracing as a possible upgrade. Typically adding internal bracing will improve stability and reduce box resonance.

Most large subwoofer enclosures are internally braced for stability. Internal cross-bracing becomes more important as the box volume increases. There are really two things to look at here. It is not unusual for older or vintage loudspeakers to be poorly insulated by modern standards. Cheap fiberglass or other materials can be easily replaced with more absorptive products. These sheets can easily be cut to size and installed with spray adhesive. A higher-tech material made in the U.

These products can be used in conjunction with each other or exclusively. The better lined the box, the better your results. The rear wall behind the largest drivers is critical to damp, as that is where the large back wave from the drivers wants to reflect or splash, muddying your bass response.

For loose fill, typically one-half pound per cubic foot of internal volume is a good guideline especially for subwoofers. Small loudspeakers may only need a few handfuls behind the woofer. We recommend Acousta-Stuf or Wool for this purpose. This is highly subjective of course. A subwoofer box simulator like Bass Box Pro can be helpful to determine the effects of fill quantity on bass response.

Madisound's damping materials. Updating cheap, generic internal cable is fairly simple and can give good results in conjunction with other upgrades.

We use this cable extensively for Madisound kits and recommend this brand for wiring upgrades for all loudspeaker applications. Your signal path does not end at the speaker either, of course. Supra is good for external wiring as well and available in a variety of gauges and jacket types, whatever your application. Cable does not sound inherently better or worse in and of itself but its effect on results may be dramatic. Good cable should be low in resistance and inductance, and reasonably low in capacitance.

Keep cable runs as short as possible and avoid looping excess cable as this may increase inductance. What is important in speaker cables is how you terminate them.

You want to make certain that you have the best connection of the cable to your amp and loudspeaker to minimize contact resistance. Which brings us to the next point, terminals.

Common sense is required when it comes to the physical weight pulling on tweeter and midrange terminals. There is really no need for 12 AWG or heavier cable on a tweeter or small midrange. Your signal path is only as good as its weakest link. Upgrading to good quality metal binding posts can make a difference. Mundorf and WBT offer some extremely high-end posts. Loose binding posts can also be purchased on our web site. Get rid of those plastic tabs and put in some good quality copper or brass posts.

Often the low-pass and hi-pass sections will be on separate circuit boards. There is no clear evidence that bi-wiring improves sound quality but if you have the means to bi-wire, you can try it and see if it works in your system. Note that some crossover designs cannot be split for bi-wiring. It should be clear either way when you physically examine them. In many cases this does significantly improve sound quality. Often two cheaper amplifiers used in a bi-amping arrangement can outperform a single expensive amplifier.

In general, it is best to avoid placing loudspeakers in corners or near walls, especially side walls. Listener location greatly affects matters as well. Placement in a given room typically requires moving the loudspeakers around to find the best place for them.

In general, placing loudspeakers further away from walls, especially rear walls, tends to reduce bass output and improve imaging and vice versa. In some cases you will find loudspeakers designed to be placed near rear walls, but that may not work in your room.

Once you think you've found the best position you need to consider how the speakers are placed on the stands.


Technical Details

Results for "a d s speakers" in All Categories in Ontario Showing 1 - 40 of results. Notify me when new ads are posted. Sort by Posted: newest first Posted: oldest first Price: lowest first Price: highest first Best match. Pioneer Home theatre system. For sale home theatre set up.

Add this listing to your favorites. ADS L Vintage Bookshelf Speakers Made in U.S.A. Braun Used ADS LC Speakers High Fidelity Loudspeaker.

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They are sealed, 4 Ohm, with 1" dome tweeters and 5" woofers. Looks like someone had painted them red. I plan on spray painting them black. An update. The sound has changed slightly and unfavorably. I think the Mod Podge has cured and stiffened the woofers more than yesterday. Sounds better. I'll add more and more in a day or so to see what difference that makes. Great speakers. Painting the cones and fluffing up the fiberglass constitutes 'DIY' nowadays?

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ads speakers l300c

By lakecat , January 25, in ADS. Got the drivers today and installed them. What a HUGE difference! These speakers sound awesome

High end set of bookshelf or mini monitor size speakers with very good sound.

ADS L300c 2-way Studio Monitor Mini Speakers


I have a pair of 's that have been in storage for awhile. They need some work and I was wondering if they were worth fixing? I called DEI and they were no help at all. I don't remember what the 's look like but I am certain they are a good speaker. The LC's perform like a much larger speaker but are tiny. Do you need woofers or tweeters for them?

ADS L 300 C L300c - STEREO SPEAKERS - rare pair, made in USA

Classic gear from yesteryear; vintage audio standing the test of time. Vintage Asylum Classic gear from yesteryear; vintage audio standing the test of time. Return to Vintage Asylum. Posts: Location: Wisconsin Joined: December 16, After seeing a pair of ADS L speakers in a recent post below,it got me to wondering what were is the best sounding small bookshelf or mounting on a wall or ceiling,speakers that were made or can be bought today? Brian Hide full thread outline!

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The best stereo speakers of the 21st century

These British electrostatic speakers basically defined the category for many audiophiles. Top speaker engineers are known to own Quad ESL 63s as part of their personal reference systems. Their warm sound and longevity have made them one of the most sought-after speakers ever. The Meyer Sound X10 is one of the best audiophile loudspeakers that no audiophile has ever heard.

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Martin Hudson.

PAIR Sweep tested ok. Original green egg masonite tweeters. Ribbed cone large pulp dust cap - few years ago sweep tested ok. Audio pro modified crossover design Rev3. Added fiberglass damping. Great listening speaker!

Inexpensive tweaks that can improve the presentation of your speakers. We at Madisound are often asked about what is the best way to upgrade older or vintage loudspeakers. In fact there are many ways to improve on sound, whether perceived as too dull, too bright or boomy, or not enough dynamics, for some examples.




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  1. Dodinel

    Something fashionable nowadays.

  2. Moyo

    I don't know what is so new and interesting here, no doubt useful, but still secondary ...

  3. Stan

    you were wrong, could it be?

  4. Goltikinos

    It's a shame I can't speak now - very busy. But osvobozhus - necessarily write what I think.

  5. Kagaran

    I believe this is your mistake.