Lofft has been writing about hi-fi and video professionally for over 20 years, ever since his first syndicated newspaper column, "Sound Advice", began appearing weekly in The Toronto Star, Canada's largest-circulation daily newspaper. In the late s, he became a contributing editor, columnist, and equipment reviewer at AudioScene Canada , the leading national consumer electronics magazine at the time.
He also became a contributing editor to Stereo Review in New York, and an audio columnist for Music Express , a Canadian rock magazine. An audio and electronics enthusiast from childhood, Alan began building vacuum-tube hi-fi gear for his father, who was an audiophile in the s. Lofft's passion for audio continued through college, during which time he hosted and produced "On Campus", a radio show taped on location on a portable Ampex open-reel recorder at Wilfrid Laurier University and broadcast locally in Kitchener, Ontario.
Use Code BF The store will not work correctly in the case when cookies are disabled. Understanding 0 dB: Setting dB levels on home theater receivers. History Speaker Level dB Settings A little bit of history helps to explain how the concept of 0 dB and its negative and positive values migrated from the professional broadcasting and recording environment to consumer audio gear. By: Alan Lofft. About the Author. We are here to help you make sure you are getting the product you need!
The only way to control the output is to add or connect a volume control. When you turn up the volume of an amp you are actually decreasing the amount of restriction placed on that amp and in turn it plays louder. The negative number scale is a more accurate way to indicate the volume output. As you know, decibel is the unit used to measure the intensity of a sound. As counterintuitive as the negative numbers setting may appear, the Yamaha volume control is actually more accurate than most volume dials.
Published on 17th Sept, by Cable Chick. If they are the same amplitude, then they are said to be 0dB apart. There are several types of decibel, including dBm, dbV, dBu and dBFS, but they're out of scope for this quick tutorial.
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Your Email. Security Step. By submitting this form, an account password reset link will be emailed to you. If you have difficulties resetting your password or no longer have access to your email account, please call Cable Chick during business hours on 07 to request a password reset. Distance from the speaker also plays a role in this because for every doubling of the distance from the speaker Add all this up, and you see why you need more than just 1W to listen to your system at 10ft 3M at 90dB.
As I wrote earlier, most home theater systems with pretty efficient speakers, can deal with most needs with 40 - 50 watts. But, when you need to increase the dB levels from say dB to dB ouch, my ears on the same system, you'd have to multiply the power requirements by 10!
Your system now needs to produce - watts! I know, that doesn't help much, but may help you. It would probably had just been better if I answered: yes. Posted on Monday, January 19, - GMT does that means setting the volume as '0 db' at my Marantz receiver is its reference db level?
Each manufacturer does it differently. I think that on Yamaha, the highest is 0dB. Alan K Unregistered guest. As it increases into the positives the distortion also increases along with the power. HK advised me that "As far as the negative dB, also very logical design feature. This info isn't on the HK web site. Am I alone or are there others without understanding of relative volume control scales? The way that "decibels" work is logarithmic When you cross this and start getting to 1.
Why isn't it mentioned as a feature
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