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Project of the Month:
Resonance Control In Your Equipment:
We will examine this month the problems with the internal resonance problems in your beloved equipment and a tweak that will fix this problem.
Equipment, out of necessity, include covers and enclosures in their design. This is to keep little fingers and sometimes big fingers from probing around, lessoning damage and ambulance calls.
The problem with these, in most cases, is that the resonance of these covers are not addressed in the design of the product. This is especially true with source components like DAC's, transports, CD players and tuners, etc. They "ring like a bell" when their covers are thumped with a finger. This resonance can add harmonics to the music you love. This is one reason why expensive equipment uses heavy metal elements in their cabinets and enclosures...to lower and lesson this resonance.
The average audiophile can not afford expensive equipment, so we must come up with a solution!
Introducing Dynamat! Dynamat is used in car audio systems to control the resonance of the metal walls in the car, keeping them from vibrating and rattling. Dynamat can be found at most any place that sells car audio...Best Buy, Circuit City, etc. We will now use this to control the resonance of your equipment!
Dynamat comes in sheets that have a removable backing, revealing a sticky side to attach it to whatever.
The first thing is to remove the cover off the piece of equipment you wish to tweak. You will want to apply the Dynamat to the top inside of the cover, the side walls can also be tweaked. Measure and cut the Dynamat to fit, remove the backing and press the sticky side to the inside of the cover. Be careful to notice if the thickness of the Dynamat will cause conflict with another object in the piece of equipment and make your cuts accordingly.
Once complete, replace the cover and give it a rap with your finger. You will notice the "ring" has now been replaced with a "thud". Happy days! Hook it up and you will notice an improvement in the sound.
Featured Product:
Tonewin VK2100M Integrated Amplifier
Positive Feedback Online, Issue 34, Dr. Sardonicus:
I want to address some nonsense up front. This impressive integrated amplifier is made in a small town in China. No slave or convict labor, no sweatshop ...a community effort. Now we will put that issue aside.
This is an attractive, heavy-cased, well-designed, and well thought out premium 85-watt hybrid (6N1 tubes) integrated amplifier, which currently sells for $599.00 You heard me, $599.00 No plastic crap. No cheap terminals or funky controls. No remote.
It is heavy, it is reliable, and it sounds terrific on a wide range of reasonably priced speakers (and on some not so reasonably priced ones).
I have had it in my torture system for some time now, and frankly, I have done everything but drop it on the ground and stomp up and down on it, and not once has it misbehaved in the slightest way. I even deliberately drove it until the thermal protect kicked in ...which it did for just a second, to tell me I was misbehaving.
It may be inexpensive; it sure as heck ain't cheap!
The sound is snappy, crisp and very adequately resolving ...and it has sufficient power to drive pretty much any likely speaker it might find. Bass control is very good and the tube pre stage simply adds a bit more air without any cloying sweetness.
Lash the Oppo 980 player to this amplifier; hook it to a nice pair of two-ways, and you can build a very satisfying system for under a thousand dollars. Want to splurge a little on better speakers? You will hear your investment.
I simply cannot suggest anything more one could reasonably expect from an amplifier anywhere near this price range that is not adroitly and substantially provided by the Tonewin VK2100M.
This piece has become my "economy" reference, and I plan to use it as the centerpiece for a number of small speaker reviews upcoming.
Like Pacific Valve, Morrow Audio has some very interesting offerings you should really take a peek at.
Warmly recommended.
The Tonewin VK2100M is available trough Morrow Audio at this link:
Next Issue Peek:
Who knows what I will write! I guarantee it will save you money and improve your sound! |
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