Review of the Ultrasone Pro 750 Full Size Stereo Headphone

March 15th, 2010

The Ultrasone Pro750 headphones cost an impressive $399. However, these ultra-light and foldable headphone have:

  • An impressive frequency response of 8 hertz to 35 kilohertz.
  • The headset is equipped with a 40 mm titanium plated driver
  • Titanium drivers offer very clear-cut sound reproduction
  • In addition, the headset comes with two detachable cables with 1/4-inch jacks which are gold plated
  • There is also a 1/4-inch mini adapter and “speed switch” ear pads made from velvet. All these items come with an instruction manual, a demo CD and a bag to carry your headset.

This top of the line model uses S-Logic Natural Surround Sound technology. The speakers in the earpiece are designed in such a way that it allows the ears to identify sound the way they would in real life. This means that sounds from your audio listening device actually hit the pinna of your ear before being deflected into your ear canal.

Most other brands do not use this technology so that sound that the ear hears is not very realistic. In addition, the technology lowers the decibel output by 40% for the same feeling of loudness and as a result listening fatigue reduces and the chances of hearing damage is drastically reduced.

If you want the sound quality of your Ultrasone Pro 750 headphones to improve, give them a little time to burn it. That means you should fix your phones to your portable audio player and then allow the player to play continuously for few hours. This will go a long way in improving the sound emerging from the phones to get the beginning of their full potential.

The Pro 750 is extremely comfortable to wear and you will have very little listening fatigue after extended use. You will enjoy the smooth and natural sounds.

The Ultrasone has two cables from which one is coiled like a telephone cord and the other is straight. The cables are replaceable and there is a speed switch ear pads too. These ear pads are called speed switch because they switch on instantly. It is rather easy and quick to change the cables if anything goes wrong with them. Also, this headset is quite different in design from other headsets. Many users take time to get used to it but once they do, they marvel as the precise and natural sounds.

If you want further evidence of the quality of sound, all you have to do is listen to the demo CD that has 20 tracks ranging from jazz, classical and rock. There are also some sound effects like sitting in a trench in a battle field and rowing across a lake.

If you are looking for professional sounding headsets then the Ultrasone Pro 750 headset is for you. You will also realize that the entire Pro series have special metallic shieldings that reduce radiation by up to 98%. This is especially good news for professionals who spend practically half their lives glued to their headsets. This fantastic professional headset offer nothing but high quality natural and crisp sounds, be it music or conversation.

The Ultrasone Pro 750 headphone is available from http://www.HeadphoneWarehouse.com . Selling only the highest quality in their categories of headphones from Shure, Ultimate Ears, Koss, Sony, Skullcandy, AKG, Ultrasone and others.

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The Meaning of Abnormal EKG Results

March 12th, 2010

Many physicians recommend EKGs as a preventive-screening tool for those with a family history of heart disease. While a healthy person does not need an EKG as a part of an annual exam, many physicians will recommend an EKG if they have concerns. If a patient complains of chest pain, palpitations or other indicators of heart problems, the physician will likely recommend an immediate EKG test. Depending on the severity of the situation, your doctor may refer you to a local testing center immediately or ask you to schedule the next available appointment.

An abnormal EKG is determined by comparing the results of your EKG graph with a standard or normal heart graph. Spikes and dips within the graph are referred to as P, QR and PR and other similar acronyms. Normal EKG readings show a slight flat-dip in between contractions and relaxations. If these flat-dips are not present, it may be an indication of a more serious problem. Normal EKG readings will have spikes and dips too.

Myocardial defects, heart valve disease, enlargement of the heart, inflammation of the heart, coronary artery disease, and past, pending or impending heart attacks are only a few of the problems that EKG’s can help to detect. The conditions in which the EKG is performed can also have an impact on the accuracy of the results. Some heart problems are not present all of the time and therefore may not appear in EKG results. In cases where heart problems are suspected but not detected on the EKG, a Holter monitor may be recommended. This monitor is worn, usually for a period of 24 to 48 hours and serves as a type of mini-EKG test. The patient wears the monitor at home and it continuously records heart activity. Doctors also recommend that the patient be relaxed during the exam because any muscle trembling or contractions can alter the results and produce an inaccurate reading.

Many people are surprised to learn that they have had an abnormal EKG reading. What is even more surprising is that when presented with abnormal EKG results, some doctors do not seem concerned. It doe not necessarily mean they are inadequate or uncaring physicians, it is more likely they believe something else has caused the abnormal reading. Most will want to pursue further testing or another EKG. Sometimes an event as simple as low blood sugar can have an altering affect and produce false EKG readings. Other times, abnormal EKGs require further testing to determine what, if any, problems actually exist.

EKG Info provides comprehensive information on EKG readings, interpretation, m machines, technicians, abnormal EKGs and more. EKG Info is the sister site of Stethoscopes Web.

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AKG K 518 LE blau

March 9th, 2010

AKG K 518 LE blau Nach viel überlegen und viel vergleichen habe ich mir nun vor gut 1 Woche den AKG K 518 LE in blau gekauft.

Verarbeitung:
Schön solide verarbeiter Kopfhörer ohne Macken, das Material wirkt sehr hochwertig und er ist auch relativ leicht. Bei Leuten mit etwas kleineren Köpfen wirkt er aber etwas klobig.

Tragekomfort:
Abzüge gibt es leider für den Tragekomfort, 1-3 Stunden lässt der K518 sich sehr gut tragen, doch nach längerem hören bekommt man doch schon heiße und schmerzende Ohren da er doch schon recht gut und vor allem fest sitzt. Die Abschirmung von und nach außen ist sehr gelungen, es dringt kaum was rein noch raus.

Soundqualität:
Wie von AKG bekannt ist der Sound erste Sahne. Verglichen mit Sennheisern, Wesc und Skullcandys der selben Preisklasse klar der Sieger.
Dennoch ist der Sound geschmackssache, die Töne die aus dem K518 kommen sind doch schon sehr basslastig, wobei er sich für mich trotzdem perfekt eignet. Electro-Fans werden hier voll auf den Geschmack kommen. Aber auch für Rocker oder Freunde der etwas klassischeren Musik werden nicht vernachlässigt, die Höhen und Mitten sind genau so gut gelungen und werden auch bei voller Lautstärke nicht schrill wiedergegeben.

Fazit:
+ Verarbeitung Außen
+ Transportgröße, dank 3D-Axis schön faltbar
+ Soundqualität
+- Tragekomfort

Für mich trotz der Größe und des Tragekomforts ein sehr gelungener und stylischer Kopfhörer der sich locker mit vielen anderen Produkten von Sony, Sennheiser, Behringer und co messen kann.

AKG: AKG K 518 LE blau
AKG K 518 LE blau

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