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NRC Measurements: Atlantic Technology AT-3 Loudspeaker

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 01 April 2023

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: between tweeter and midrange-woofer
Grille: on
High Frequency Energy Control setting (except where noted): “0”

Frequency response and voltage sensitivity

Voltage sensitivity: 84.77dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Chart C: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)
Additional measurement to show effect of High Frequency Energy Control switch on back panel

Frequency response

(Line up at 10kHz)
Top curve: + setting
Middle curve: 0 setting
Bottom curve: - setting

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Listening window

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Deviation from linearity

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical phase

Vertical axis: phase
Horizontal axis: frequency

NRC Measurements: Bowers & Wilkins 705 S3 Loudspeaker

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 01 April 2023

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: between tweeter and midrange-woofer
Grille: off

Frequency response and voltage sensitivity

Voltage sensitivity: 83.94dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Listening window

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Deviation from linearity

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical phase

Vertical axis: phase
Horizontal axis: frequency

NRC Measurements: Arendal Sound 1723 Tower S Loudspeaker

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 01 February 2023

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: tweeter axis
Grille: off
Port plugs: none

Frequency response and sensitivity

Sensitivity: 86.25dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD 90dB

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Chart B: @ 95dB, 50Hz - 10kHz (measured @ 2m)

THD 95dB

Top curve: frequency response @ 95dB SPL
Bottom curve: THD+N @ 95dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Dev 90dB

Chart B: Difference @ 95dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Dev 95dB

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical Phase

Vertical axis: phase
Horizontal axis: frequency

NRC Measurements: Atohm GT1-HD Loudspeakers

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 15 October 2022

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: tweeter axis
Grille: off
HF level-control setting (except where noted): Linear (middle)

Frequency response and sensitivity

Sensitivity: 84.72dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Chart C: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)
Additional measurement to show effect of HF level control on back panel

Frequency response

(Line up at 10kHz)
Top curve: High Definition setting
Middle curve: Linear setting
Bottom curve: Smooth setting

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Listening window

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Deviation from linearity

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical phase

Vertical axis: phase
Horizontal axis: frequency

NRC Measurements: Simaudio Moon Voice 22 Loudspeakers

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 15 May 2022

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: between tweeter and midrange-woofer
Grille: off

Frequency response and sensitivity

Sensitivity: 86.9dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Listening window

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Deviation from linearity

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical phase

Vertical axis: phase
Horizontal axis: frequency

NRC Measurements: Focal Aria K2 906 Loudspeakers

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 01 March 2022

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: tweeter axis
Grille: off

Frequency response and sensitivity

Sensitivity: 87.2dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Listening window

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Deviation from linearity

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical phase

Vertical axis: phase
Horizontal axis: frequency

NRC Measurements: Monitor Audio Silver 300 7G Loudspeakers

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 01 March 2022

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: tweeter axis
Grille: off

Frequency response and sensitivity

Sensitivity: 86.5dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Listening window

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Deviation from linearity

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical phase

Vertical axis: phase
Horizontal axis: frequency

NRC Measurements: Monitor Audio Silver 500 7G Loudspeakers

Details
Parent Category: Products
Category: Loudspeaker Measurements
Created: 01 February 2022

All loudspeaker measurements are performed independently at the National Research Council of Canada. All measurement data and graphical information displayed below are the property of the SoundStage! Network and Schneider Publishing Inc. Reproduction in any format is not permitted.

Setup

Microphone measuring position: between tweeter waveguide and midrange driver
Grille: off

Frequency response and sensitivity

Sensitivity: 89.6dB (averaged 300Hz-3kHz on Listening Window, 2.83V/1m)

Chart A: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: on-axis response
Middle curve: 15 degrees off-axis response
Bottom curve: 30 degrees off-axis response

Chart B: 20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Top curve: 45 degrees off-axis response
Middle curve: 60 degrees off-axis response
Bottom curve: 75 degrees off-axis response

Listening window

20Hz - 20kHz (measured @ 2m, plotted @ 1m)

Frequency response

Response curve is an average of five measurements: on-axis, 15 degrees left and right off-axis, 15 degrees up and down off-axis

Total harmonic distortion + noise

Chart A: @ 90dB, 50Hz - 10kHz (measured @ 2m)

THD 90dB

Top curve: frequency response @ 90dB SPL
Bottom curve: THD+N @ 90dB (50Hz - 10kHz)

Chart B: @ 95dB, 50Hz - 10kHz (measured @ 2m)

THD 95dB

Top curve: frequency response @ 95dB SPL
Bottom curve: THD+N @ 95dB (50Hz - 10kHz)

Deviation from linearity

Chart A: Difference @ 90dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Dev 90dB

Chart B: Difference @ 95dB from 70dB, 50Hz - 20kHz (measured @ 2m)

Dev 95dB

Impedance magnitude variation

Impedance

Vertical axis: impedance
Horizontal axis: frequency

Electrical phase

Electrical Phase

Vertical axis: phase
Horizontal axis: frequency

  1. NRC Measurements: Stenheim Alumine Two Loudspeakers
  2. NRC Measurements: KLH Model Five Loudspeakers

Subcategories

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Equipment-Review Archives

The following categories containing listings of all product reviews published by the SoundStage! Network since 1995 from all of our online publications. The products are divided into categories and listed in descending order by date. There is no Search function within the listings, but you can search by bringing up the page with the appropriate list and using the "Find" command on your browser. (For Internet Explorer select: Edit > Find on this Page.)

Loudspeaker Measurements

Headphone Measurements

Subwoofer Measurements

Headphone Amplifier Measurements

Amplifier Measurements

Preamplifier Measurements

Phono Preamplifier Measurements

Digital-to-Analog Converter Measurements

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