Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Total harmonic distortion (THD) is a measurement that tells you how much of the distortion of a voltage or current is due to harmonics in the signal.

Cerwin Vega Pro Cv-900 900-Watt High-Performance Professional Power Amplifier by Cerwin-Vega. $299.00. The Cerwin-Vega! CV-Series high performance professional power amplifiers are rugged, 2U rackmountable workhorses with the muscle to accommodate the most demanding audio challenge. With power ratings up to 2800 watts, support for bridged mono operation, exceptional THD (Total Harmonic Distortion) and Signal-to-Noise ratings, the CV Series power amps are the right choice for...

Cerwin Vega Pro High-Performance Professional Power Amplifier (Discontinued by Manufacturer)

Essential Basics of Total Harmonic Distortion (THD) | EEP

THD stands for Total Harmonic Distortion. The level of harmonic distortion is often used to define the degree of harmonic content in an alternating signal.

Technical Pro XOB2 2 Way Crossover with Subwoofer Output by Technical Pro. $98.99. Crossover: Sub: 50-250Hz; Lo/Hi: 250-6000Hz Frequency Response: 20Hz-25kHz ?1dB Low Cut Filters: 30Hz / -3dB, 12dB/Octave Crossover: Sub: 50-250Hz; Lo/Hi: 250-6000Hz Inputs: Balanced XLR, 1/4 Outputs: Balanced XLR, 1/4 Total Harmonic Distortion: <0.05% Signal to noise ratio: >95dB Impedance: Input - 100 Kohms, Output - 220 ohms Dimensions: 19w x 1.75h x 5.75d (483 x 45 x 146mm) Wei...

Technical Pro XOB2 2 Way Crossover with Subwoofer Output by Technical Pro. $98.99. Crossover: Sub: 50-250Hz; Lo/Hi: 250-6000Hz Frequency Response: 20Hz-25kHz ?1dB Low Cut Filters: 30Hz / -3dB, 12dB/Octave Crossover: Sub: 50-250Hz; Lo/Hi: 250-6000Hz Inputs: Balanced XLR, 1/4 Outputs: Balanced XLR, 1/4 Total Harmonic Distortion: <0.05% Signal to noise ratio: >95dB Impedance: Input - 100 Kohms, Output - 220 ohms Dimensions: 19w x 1.75h x 5.75d (483 x 45 x 146mm) Wei...

Total harmonic distortion (THD) is the natural enemy of audio blissfulness. Have you got it in check ?  http://audiojudgement.com/total-harmonic-distortion-tutorial-thd/

In last years it happened to me to run across ruined speakers more often than we would think. I love those old heavy and huge black speakers typical of years.

APT/Holman Preamplifier •Designer: Tomlinson Holman •Maker: APT Corporation •Specs: Freq. resp.- 20Hz to 20kHz, Total harmonic distortion- 0.005%, Input sensitivity- 5mV (MM), 320mV (line),  Signal to noise ratio- 78dB (MM), 106dB (line) •Origin: Cambridge, MA •Date: 1979

APT/Holman Preamplifier •Designer: Tomlinson Holman •Maker: APT Corporation •Specs: Freq. resp.- 20Hz to 20kHz, Total harmonic distortion- 0.005%, Input sensitivity- 5mV (MM), 320mV (line), Signal to noise ratio- 78dB (MM), 106dB (line) •Origin: Cambridge, MA •Date: 1979

Understanding Total Harmonic Distortion (THD) in Power Systems

This article describes the cause and effect of total harmonic distortion (THD) in power systems. Some means of improving THD are also discussed.

the 1977 Technics SA-1000. With more power and less distortion than any other receiver we've made: 330 watts per channel minimum RMS into eight ohms from 20 Hz-20 kHz with no more than 0.03% total harmonic distortion.

the 1977 Technics With more power and less distortion than any other receiver we've made: 330 watts per channel minimum RMS into eight ohms from 20 kHz with no more than total harmonic distortion.

Total harmonic distortion (THD) is a measurement that tells you how much of the distortion of a voltage or current is due to harmonics in the signal.

Understanding, Calculating, and Measuring Total Harmonic Distortion (THD)

Pioneer SA-9800  Like the SA-9900, the  Pioneer SA-9800 is an integrated amplifier. It also has a non-switching amplifier function that helps keep the total harmonic distortion (THD) low at 0.05 percent for great audio performance. It was another top-of-the-line piece of equipment in its time, and in some ways, it is the successor to the SA-9900. The SA-9800 delivers 100 watts of power per channel into 8 Ohms, with a frequency response of 5 Hz to 100 kHz. It is smaller than its predecessor…

Pioneer SA-9800 Like the SA-9900, the Pioneer SA-9800 is an integrated amplifier. It also has a non-switching amplifier function that helps keep the total harmonic distortion (THD) low at 0.05 percent for great audio performance. It was another top-of-the-line piece of equipment in its time, and in some ways, it is the successor to the SA-9900. The SA-9800 delivers 100 watts of power per channel into 8 Ohms, with a frequency response of 5 Hz to 100 kHz. It is smaller than its predecessor…

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Pioneer SA-9800  Like the SA-9900, the  Pioneer SA-9800 is an integrated amplifier. It also has a non-switching amplifier function that helps keep the total harmonic distortion (THD) low at 0.05 percent for great audio performance. It was another top-of-the-line piece of equipment in its time, and in some ways, it is the successor to the SA-9900. The SA-9800 delivers 100 watts of power per channel into 8 Ohms, with a frequency response of 5 Hz to 100 kHz. It is smaller than its predecessor…

Pioneer SA-9800 Like the SA-9900, the Pioneer SA-9800 is an integrated amplifier. It also has a non-switching amplifier function that helps keep the total harmonic distortion (THD) low at 0.05 percent for great audio performance. It was another top-of-the-line piece of equipment in its time, and in some ways, it is the successor to the SA-9900. The SA-9800 delivers 100 watts of power per channel into 8 Ohms, with a frequency response of 5 Hz to 100 kHz. It is smaller than its predecessor…

VINTAGE AMPLIFIER( 1976) YAMAHA P2200 Power Output Specifications: • 240 Watts into 8 ohms with less than 0.05% THD (Total Harmonic Distortion), 20Hz to 20kH...

VINTAGE AMPLIFIER( 1976) YAMAHA P2200 Power Output Specifications: • 240 Watts into 8 ohms with less than 0.05% THD (Total Harmonic Distortion), 20Hz to 20kH...

With a solid/honest 40WPC at 8Ohms this Akai from 1986 with it's 80's volume styling still stands out!  Specifications Power output: 40 watts per channel into 8Ω (stereo)  Frequency response: 5Hz to 100kHz  Total harmonic distortion: 0.1%  Damping factor: 30  Input sensitivity: 2mV (MM) 150mV (line)  Signal to noise ratio: 72dB (MM) 95dB (line)  Channel separation: 45dB (line)  Speaker load impedance: 6Ω to 16Ω  Dimensions: 440 x 100 x 267mm  Weight: 5.7kg  Year: 1986  #akai #1980s #1980…

With a solid/honest 40WPC at 8Ohms this Akai from 1986 with it's 80's volume styling still stands out! Specifications Power output: 40 watts per channel into 8Ω (stereo) Frequency response: 5Hz to 100kHz Total harmonic distortion: 0.1% Damping factor: 30 Input sensitivity: 2mV (MM) 150mV (line) Signal to noise ratio: 72dB (MM) 95dB (line) Channel separation: 45dB (line) Speaker load impedance: 6Ω to 16Ω Dimensions: 440 x 100 x 267mm Weight: 5.7kg Year: 1986 #akai #1980s #1980…

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