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	Total harmonic distortion - Wikipedia, the free encyclopedia
		The total harmonic distortion, or THD, of a signal is a measurement of the harmonic distortion present and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental.
		THD is a measurement of the extent of that distortion.
		The THD is usually expressed in percent as distortion factor or in dB as distortion attenuation.
	en.wikipedia.org /wiki/Total_harmonic_distortion (315 words)

	Telegraph Hill Dwellers - Join Now (Site not responding. Last check: 2007-09-01)
		THD was instrumental in preventing construction of a freeway that would have encircled the Hill.
		THD is actively engaged in restoration of Pioneer Park at Coit Tower.
		THD Committees participate in: planning and parking issues, renovating Pioneer Park at Coit Tower, preserving historic buildings, monitoring crime, and keeping a close eye on the development of new city planning codes.
	www.thd.org /joinnow.html (249 words)

	THD Data Evaluation and Validation
		If the spacecraft or spacecraft subsystems failing to operate nominally affect THD data collection and recovery, only the data prior to the failure will be used in evaluating the performance of the sensor.
		The primary THD output is an analog signal sampled at 100 Hz nominally.
		THD payload temperature data might be utilized to correlate drift in the tunneling high voltage level of the TIS.
	design.stanford.edu /SMSSL/TunnelingSensors/THD/THDdataEvaluation.html (798 words)

	THD Hot Plate; post-amp effects
		The THD Hot Plate is the first, and for now, the only attenuator that is frequency compensated.
		"A THD Hotplate is a tuned network of capacitors, resistors and inductors which adjusts the overall EQ as the volume is turned down to compensate now for the human ear's frequency response....the louder the sound, the more sensitive your ears are to highs and lows.
		This THD device is a very good match for the old Marshall amps and cabs, and I wouldn't be suprised if that is what it was designed to work with.
	www.amptone.com /thdhotplate.htm (5256 words)

	THD Payload Operation Overview (Site not responding. Last check: 2007-09-01)
		Although the THD occasionally will be operated for an entire orbit to help characterize the spacecraft pitch variation.
		To operate the THD, a file will be uploaded to the SAPPHIRE spacecraft from the SAPPHIRE Mission Operations Control Center that contains the time to turn on the THD payload, the output sample frequency, and the time to turn off the payload.
		With a 90 minute nominal orbit, the THD will be activated for 10 minutes near the ascending nodal crossing (equator), deactivated for 35 minutes, activated for 10 minutes near the descending nodal crossing (equator), and deactivated for the remaining 35 minutes.
	design.stanford.edu /SMSSL/TunnelingSensors/THD/THDPayloadOperation.html (552 words)

	Meeting IEEE 519 THD Limitations: A Case Study
		Using a computer-generated program to determine the THD current at the motor control centers, and then using a Fourier analysis to sum these currents, the VFD supplier arrived at the following distortion levels at the generators (PCC No. 1): 4.8% current distortion and 3.07% voltage distortion.
		The formal test results on THD levels are not yet submitted by the electrical contractor.
		Because the generator's synchronous panel-board includes a digital electronic metering package and can read THD levels, we measured the THD placed on the emergency distribution system during generator testing (when all the VFDs transferred to the emergency generators).
	www.ecmweb.com /mag/electric_meeting_ieee_thd (1190 words)

	Buy THD 2x12 Ported Extension Cabinet online at Musician.com (Site not responding. Last check: 2007-09-01)
		The THD 2-12 Extension Cabinet is the key to the magic between your fingers and your ears.
		THD's cabinets are constructed from 3/4" 9-ply birch with 1/2" birch ply baffle and rear panels.
		THD has designed a full sounding, lightweight 2x12 speaker cabinet that can rival a 4x12 in volume, power, and projection.
	www.musician.com /product/THD-2x12-Ported-Extension-Cabinet?sku=600941&src=GSOSWXXB (440 words)

	THD Speaker Cabinet
		The THD 2-12 Cabinet is a bass-reflex design cabinet with a slot-port in the rear instead of the more common tube port in the front.
		THD set out to design a full sounding, lightweight 2-12 speaker cabinet that could rival a 4-12 in volume, power and projection.
		The THD 2-12 cabinet has a tight, clean, focused sound that’s not the least bit harsh, brash or tubby.
	www.asharpmusicco.com /amps/amppages/thd212cab.html (415 words)

	THD BiValve
		Like the THD UniValve, the THD BiValve is a single-ended pure Class A design.
		The UniValve's acid-etched control plate was inspired by Glasgow artist Charles Rennie Mackintosh; this time round THD have gone for a marine theme, with an intricate diamond scale design.
		THD are based in Seattle, which is also home town to Boeing, and most of the BiValve's heavy fabrication work is contracted out to local specialist companies who service the aircraft industry.
	www.stevesmusiccenter.com /THDBiValve.html (1264 words)

	Sound Card Performance Test Techtalk THD (Site not responding. Last check: 2007-09-01)
		THD is determined by measuring the size of each of the new frequencies that are created by the source of the distortion.
		THD typically requires measuring harmonics that are at higher frequencies than the test signal.
		THD is not the only means for measuring Nonlinear Distortion.
	www.pcavtech.com /soundcards/techtalk/THD (602 words)

	THD Electronics
		THD Electronics is a company specializing in products for the music industry, specifically tube amplification and products catering to tube amps.
		THD is located in the Seattle area, so we have superb access to their products.
		THD's incredible UniValve amplifier and it's follow up the BiValve are always in stock.
	www.asharpmusicco.com /amps/amppages/thd.html (384 words)

	UB Undergraduate Catalog 2006-2007: Dance
		THD 341 Ballet 3 and THD 342 Ballet 4, or THD 345 Modern Dance 3 and THD 346 Modern Dance 4, or THD 371 Jazz Dance 3 and THD 372 Jazz Dance 4
		Fall THD 310; THD 337 or THD 340*; THD 385 or one semester of THD 300/THD 301/THD 302/THD 303; THD 410, THD 417, THD 421, THD** 441
		Continuation of THD 111 with further development of basic techniques within the various disciplines.
	wings.buffalo.edu /provost/webservices/undergraduatecatalog/academicprograms/thd.shtml (3791 words)

	THD Measurement and Conversion (Site not responding. Last check: 2007-09-01)
		There have been attempts to redefine THD to give more "weight" to higher harmonics, and other refinements, but as far as I know the industry has not agreed on any of these modified specs.
		While this apparent THD figure is, indeed, representative of the total power of the harmonic content, we still have to convert this power to an equivalent RMS voltage in order to come up with a THD figure according to standard methodology.
		I find this visual approach much more informative than a single THD number, since the relative strength of each harmonic is clearly illustrated; also, other relationships become readily apparent, such as (in this case) the attenuation of even harmonics because of the circuit's push-pull design.
	www.dogstar.dantimax.dk /tubestuf/thdconv.htm (1180 words)

	Degrees: ThD in Theology
		The ThD program is administered by STH's Advanced Study Committee, which publishes general requirements and policies in the "Doctor of Theology Degree Handbook," available from the School of Theology.
		The ThD degree emphasizes an integrative character within the general sphere of the academic study of Christianity.
		The ThD in Theology has a double emphasis on accumulating historical knowledge of philosophical and systematic theology within Christianity, and on building constructive skills needed to formulate and argue for theological positions.
	people.bu.edu /wwildman/WeirdWildWeb/deg_thd_theol.htm (432 words)

	Tulsa Health Department - Home
		Increase the proportion of adults who are vaccinated annually against influenza and ever vaccinated against pneumococcal disease.
		THD works to control mosquito populations during the spring and summer.
		In a typical mosquito season, THD sprays over 800 square miles for adult mosquitoes.
	www.tulsa-health.org (210 words)

	Electrical Engineering Glossary Definition for THD - Maxim/Dallas
		Total Harmonic Distortion (THD): A measure of signal distortion which assesses the energy that occurs on harmonics of the original signal.
		It is specified as a percentage of the signal amplitude.
		As an example, if a 12kHz signal is applied to the input, THD would look at energy on the output occurring at 24kHz, 36kHz, 48kHz, etc. and compare it to the energy occurring at 12kHz.
	www.maxim-ic.com /glossary/index.cfm/Ac/V/id/308/Tm/THD (109 words)

	THD - Total Harmonic Distortion measurement
		In normal measurements (with low THD and THD+N) the 2 methods will give identical results, since more than 99% of the measured energy is always contained in the fundamental harmonic (H1).
		In RTA window is implemented also a new method for the evaluation of the Noise Floor (see here a detailed explanation).
		the measured values and the computed THD and THD+N. In the registered version of the plugin, this text can be copied to the Clipboard.
	www.purebits.com /appnote8.html (751 words)

	Buy THD 2x12 Ported Extension Cabinet online at Musician's Friend (Site not responding. Last check: 2007-09-01)
		The Ported Extension Cab is a bass-reflex design cabinet with a slot-port in the rear instead of the more common tube port in the front.
		Mar 17, 2006 - The THD 2x12 cab is everything it is billed to be.
		I use mine with a THD BiValve head and the tones are mind-blowing.
	www.musiciansfriend.com /product/THD-2x12-Ported-Extension-Cabinet?sku=600941&src=3SOSWXXB (912 words)

	THD Australia Pty Ltd
		Through its state of the art distribution centre in Hobart, THD Australia now has a product range exceeding 7000 items.
		THD Australia has expanded its distribution into mainland Australian market.
		CONTACT US Our friendly staff are able to assist you with any query you have regarding distribution of your product or stocking any of out product range in your retail point.Contact us by phone or use our message centre.
	www.thdaustralia.com.au (93 words)

	THD Amps
		THD Amps specializes in tube guitar amps and tube amp modification products.
		The THD Flexi-50 is a 50 watt class A/B tube guitar amp.
		The THD UniValve is a 15-watt class A tube guitar amp.
	www.kellyindustries.com /guitars/thd.html (475 words)

	THD UniValve Guitar Head
		THD’s approach differs dramatically from most of today’s amp manufacturers.
		So what THD did is design a 15 watt amplifier incorporating their “Hot Plate” power attenuator.
		Another friendly feature is the ability to change the power tube, without rebiasing the amp and even while the amp is on standby (THD is thinking of selling the amp with a free oven mitt).
	namm.harmony-central.com /WNAMM01/Content/THD/HotPick/UniValve.html (616 words)

	THD (Site not responding. Last check: 2007-09-01)
		THD is thrilled to announce the arrival of their new Flexi-50 amplifier head.
		The THD UniValve is a Single-Ended Class A amplifier head with a single output tube that can be switched at will among many octal-based power tubes, including 6L6, EL34, 6550, 7027, KT90, KT88, KT77 and KT66, for different tones without re-biasing the amp.
		Likewise, the two preamp tubes can be any combination of 12AX7, 12AT7, 12AU7, 12AY7 or 12AZ7.
	www.electromusic.co.uk /guitars/en-gb/dept_340.html (274 words)

	Telegraph Hill Dwellers - THD History
		Enactment of the North Beach Commercial District, designed to preserve North Beach's special nature and stem the proliferation of banks and other commercial uses threatening to alter permanently the businesses in North Beach.
		Greening of the hill, undertaken in celebration of THD's fortieth anniversary, with the planting of between 300 and 400 trees all over the Hill, as requested by property owners and residents, and in conjunction with Friends of the Urban Forest.
		Restoration and enhancement of Pioneer Park and Coit Tower, following City plans to surround the park with a chain-link fence; this fine example of a private-public partnership is still ongoing.
	www.thd.org /historythd.html (366 words)

	Buy THD BiValve-30 30W Class A Amplifier Head online at Musician's Friend (Site not responding. Last check: 2007-09-01)
		The THD BiValve-30 30W Class A Amplifier Head is a pure Class A design with 2 output tubes wired in parallel and combined through a special output transformer to deliver up to 30W.
		It accepts almost any type of output or preamp tube without bias adjustment even in combination for an astonishingly wide range of tone available for nearly any style of guitar playing.
		Oct 17, 2004 - The THD BiValve is all about tone.
	www.musiciansfriend.com /product/THD-BiValve30-30W-Class-A-Amplifier-Head?sku=481281&src=3SOSWXXB (897 words)

	Film, Movie Theaters, Production Companies. Valencia, California. - Home
		With more than 4 years of experience in the business, THD / PHOTOGARD is a family-owned-and-operated company in
		At THD / PHOTOGARD, we use a unique system and process to protect your film.
		We even spend personalized time with you to make sure we get the job done right.
	www.thd-photogard.com (147 words)

	purevolume™ \| THD
		ITALIAN: Siamo un gruppo della Versilia, abbreviabile anche come "THD".
		ENGLISH: We're a band from Vesilia, we can be called "THD" as well.
		You must be logged in as a “LISTENER” to have favorite artists.
	www.purevolume.com /thd (149 words)

	THD on Rhapsody
		Total Harmonic Distortion fuse breakbeat's bright dancefloor constructions with Industrial's sinister twists and turns.
		Alternative/Punk > Industrial > Industrial Dance > THD
		Hear THD and similar artists on this station.
	www.rhapsody.com /thd (48 words)

	THD Electronics ®
		Steve's Music Center is pleased to feature amplifiers and accessories by THD Electronics ®, a company specializing in tube amplification and products catering to tube amps.
		THD is the world's top boutique amp builder.
		They've been turning out award-wining amps, cabinets and accessories since 1987.
	www.thdamplification.com (94 words)

	Quote.com: Quotes, charts, news and more (Site not responding. Last check: 2007-09-01)
		1 year chart Try THD on the new charting tool »
		Read the THD message board on RagingBull.com and get the unofficial gossip!
		About Quote.com, our redesign, accessibility features and access key information.
	www.quote.com /qc/stocks/quotes.aspx?symbols=TSE:THD (108 words)

	HW AUDIO > THD - HOT PLATE 8 OHM (Site not responding. Last check: 2007-09-01)
		THD - HOT PLATE 8 OHM INFORMATION - CARRIAGE FREE">
		HOME PAGE > THD - HOT PLATE 8 OHM
		THE THD HOT PLATE IS A TUNED NETWORK OF CAPACITORS, RESISTORS AND INDUCTORS WICH ADJUSTS THE THE OVERALL EQ AS THE VOLUME IS TURNED DOWN TO £ 8.11 A MONTH ON CREDIT.
	www.hwaudio.co.uk /shop/product.asp?PLU=97909 (88 words)

	Third Cdn General Investment Trust Ltd THD Stock Chart, Quotes, Trade History, Share Message Board (Site not responding. Last check: 2007-09-01)
		Third Cdn General Investment Trust Ltd THD Stock Chart, Quotes, Trade History, Share Message Board
		Copyright and limited reproduction :: Privacy Policy :: Investment Warning :: Advertise with us :: Data accreditations :: Investor Relations
		37 site:1 us advfn45088f601110e5 qkchart tse thd stocks :: 13/09/2006 19:08:16 :: 0.1764 (0.0604 ~34.2) :: 0.1160 ~65.8 - 2 - -1 - 3 - 0 :: 0.0000 ~0.0 - 0 - 0
	www.advfn.com /p.php?pid=qkchart&symbol=T^THD (132 words)

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