Does OP Amp Rolling Swapping Work? Part 2 Audio Science Review 2025-04-24 | Testing of Sparkos SS3602 Opamp against NE5532p. Does it make a difference?Part 1: youtube.com/watch?v=nGy-Q8jKXr4Op-amp Rolling Using Sparkos on Fosi V3 Mono: audiosciencereview.com/forum/index.php?threads/op-amp-rolling-using-sparkos-on-fosi-v3-mono.61903Sparkos SS3602 Opamp Rolling In Fosi P4: audiosciencereview.com/forum/index.php?threads/sparkos-ss3602-opamp-rolling-in-fosi-p4.61946
Does Rolling Opamps Make Amps Sound Better? Audio Science Review 2025-03-16 | Better sound by upgrading the opamps? Let's find out!Text: audiosciencereview.com/forum/index.php?threads/does-op-amp-rolling-work.61518DAC Op-amp rolling: audiosciencereview.com/forum/index.php?threads/rolling-replacing-op-amps-in-topping-d10-dac.4576Amplifier Sonic Imagery vs Sparkos Testing: audiosciencereview.com/forum/index.php?threads/discrete-opamp-review-sonic-imagery-vs-sparkos.10325
Douk Audio A5 Stereo Budget Amplifier Review Audio Science Review 2025-03-15 | Review of Douk A5 Budget Stereo Amplifier.Text Review: audiosciencereview.com/forum/index.php?threads/douk-a5-budget-stereo-amplifier-review.61410
Chord Alto Headphone Power Amplifier Stereo Audio Review Audio Science Review 2025-03-11 | Review of Chrod Alto Headphone and Speaker Amplifier.Text review: audiosciencereview.com/forum/index.php?threads/chord-alto-headphone-power-amp-review.61323
Bluesound Node Icon Streamer DAC Audio Stereo Review Audio Science Review 2025-03-07 | Review of Bluesound Node Icon streamer.Text Review: audiosciencereview.com/forum/index.php?threads/bluesound-node-icon-streamer-review.61271
Topping B200 Monoblock Amplifier Audio Review Audio Science Review 2025-03-04 | Review of Topping B200 Ultra High-Performance Audio Amplifier.Text review at: audiosciencereview.com/forum/index.php?threads/topping-b200-monoblock-amplifier-review.61206
Innuos Phoenix USB Reclocker Review Audio Science Review 2025-02-28 | Review and technology behind Innuos USB Reclocker.Text Review: audiosciencereview.com/forum/index.php?threads/innuos-phoenix-usb-reclocker-review.61000
Audio Science Review AES Paper Presentation on Audio DACs Audio Science Review 2023-12-09 | Paper presented at Audio Engineering Society 2023 on measurements of 450 DACs in consumer and professional space. Test details and motivations are explained as are key learnings.Paper link: aes.org/e-lib/browse.cfm?elib=22278Requires membership or $33 to download.
Towelgate: AV123 GR Research X-Voce Speaker Review Audio Science Review 2023-11-19 | Review, listening tests and measurements of the AV123 GR Research X-Voce center speaker.Text review: audiosciencereview.com/forum/index.php?threads/av123-gr-research-x-voce-speaker-review.49563
Schiit Midgard Balanced headphone Amplifier and Preamplifier Audio Science Review 2023-10-14 | Review, listening tests and measurements of the Schiit Midgard balanced headphone amplifier and preamp.Detailed review: audiosciencereview.com/forum/index.php?threads/schiit-midgard-balanced-headphone-amp-review.48653
ASR Audio Equipment Review #2 Audio Science Review 2023-08-23 | Weekly review of audio products: Classic Audio MC Pro Phono, Fiio R7 Streamer, Topping RD3 DAC and JBL 590 speaker.00:00 - Introduction00:43 - Classic Audio MC Pro Phonostage Review05:33 - Fiio R7 Android Streamer Review15:05 - Topping RD3 DAC Review20:38 - JBL Studio 590 Speaker ReviewClassic Audio MC Pro Phonostage Review: audiosciencereview.com/forum/index.php?threads/classic-audio-mc-pro-phonostage-review.47139Fiio R7 Android Streamer Review: audiosciencereview.com/forum/index.php?threads/fiio-r7-android-streamer-review.47234Topping RD3 TP Balanced DAC Review: audiosciencereview.com/forum/index.php?threads/topping-rd3-tp-balanced-dac-review.47196JBL Studio 590 Speaker Review: audiosciencereview.com/forum/index.php?threads/jbl-studio-590-speaker-review.47269
ASR Audio Equipment Review #1 Audio Science Review 2023-08-12 | Weekly review of audio products: ART DSP Phono Stage, Avantone CLA-10 Speaker, Cayin & LINN CD Players, TICE Line Conditioner and Power Cable.00:00 - Introduction00:52 - ART USB Phono Plus Review13:09 - Avantone CLA-10 Speaker Review32:52 - Cayin Mini-CD MKII and LINN MIMIK CD Player Review43:59 - Tice TPT Enhanced Line Conditioner Review49:58 - Tice Power Conductor 2 Vintage AC Cable ReviewText reviews and discussions:ART USB Phono Plus Review: audiosciencereview.com/forum/index.php?threads/art-usb-phono-plus-review.46939Avantone CLA-10 Speaker Review: audiosciencereview.com/forum/index.php?threads/avantone-cla-10-yamaha-ns-10m-clone-review.46954Cayin Mini-CD MKII CD Player Review: audiosciencereview.com/forum/index.php?threads/cayin-mini-cd-mkii-cd-player-review.46960Tice TPT Enhanced Line Conditioner Review: audiosciencereview.com/forum/index.php?threads/tice-tpt-enhanced-line-conditioner-review.47063Tice Power Conductor 2 Vintage AC Cable Review: audiosciencereview.com/forum/index.php?threads/tice-power-conductor-2-vintage-ac-cable-review.47074
GR Research B24 AC Cable Review Follow up [Entertainment] Audio Science Review 2023-06-09 | Response to company video on my review of GR Research B24 AC cable.Original video review: youtu.be/HkmwcPdTlWMText review: audiosciencereview.com/forum/index.php?threads/gr-research-b24-ac-cord-review.35685Company response video: youtu.be/A286kmaauuQ
Understanding Power Amplifier Measurements Audio Science Review 2023-04-26 | Tutorial on how to read and interpret power amplifier measurements. Examples measurements are shown for Topping LA90 Discrete, Fosi Audio BT20A Pro, and Luxman SQ-N150.audiosciencereview.com/forum/index.php?threads/topping-la90-discrete-amplifier-review.43756audiosciencereview.com/forum/index.php?threads/fosi-audio-bt20a-pro-amplifier-review.43751audiosciencereview.com/forum/index.php?threads/luxman-sq-n150-review-tube-amplifier.34964
Example Speaker Measurements: Klipsch RP-600M/Neumann KH 150 Audio Science Review 2023-04-25 | Example speaker measurements of Neumann KH150 and Klipsch RP-600M. Detailed analysis is provided for frequency response, directivity, distortion, impedance, and sensitivity together with equalization.Discussion at: audiosciencereview.com/forum/index.php?threads/example-speaker-measurements-klipsch-rp-600m-neumann-kh-150-video.44152
Understanding Speaker Measurements Audio Science Review 2023-04-23 | Learn how speaker measurements can predict how good a speaker sounds and what terms like directivity, beam width, distortion, and frequency response mean.Text discussion: audiosciencereview.com/forum/index.php?threads/understanding-speaker-measurements-video.44101
Speed Reading DAC Audio Measurements Audio Science Review 2023-03-20 | Learn to understand and quickly judge the performance of a DAC using measurements. Topics covered include SINAD, THD+N, Jitter, Dynamic Range, Linearity, DAC Filtering, Intermodulation distortion and frequency response.
PS Audio Power Plant 3 Review Audio Science Review 2022-12-11 | Review, Listening Tests, and Detailed Measurements of the PS Audio Power Plant 3 Audio AC Regenerator.Text review: audiosciencereview.com/forum/index.php?threads/ps-audio-powerplant-3-review.39857
Scientific Proof of Measurable Difference in Audio Cables? Paper Review Audio Science Review 2022-08-26 | Detailed analysis of paper by professor Kunchur in measurable (audible) difference between audio cables.
Chord Hugo TT2 DAC and Headphone Amplifier Review Audio Science Review 2022-08-24 | Review, Measurements and Listening Tests of Chord Hugo TT2 DAC and Headephone Amplifier.Text review: audiosciencereview.com/forum/index.php?threads/chord-hugo-tt2-review-dac-hp-amp.36745
Is Digital Audio Transmission Really Analog? Audio Science Review 2022-08-09 | Are jitter and noise audible problems in streaming products? Concepts and measurements are shown along with psychoacoustic analysis of sending audio over USB, and S/PDIF links.Text discussion at: audiosciencereview.com/forum/index.php?threads/is-digital-audio-transmission-analog-video.36378Original Dark Video: youtu.be/RlCG2fK-abo
Chord GroundAray Review Audio Science Review 2022-08-06 | Listening Tests, Review and Measurements of the Chord GroundAray Ground Noise Filter.Text review: audiosciencereview.com/forum/index.php?threads/chord-groundaray-review-noise-filter.36256Music courtesy of Radical Face/Album Missing Film: youtube.com/watch?v=3oFIui81Z5M
Electronics for Audiophiles: Voltage and Current Audio Science Review 2022-07-29 | Key concepts of voltage/current and power supplies as it applies to audio electronics.
Chord DAVE Stereo DAC Review Audio Science Review 2022-07-24 | Review, measurements and listening tests of Chord DAVE audio DAC.Text review: audiosciencereview.com/forum/index.php?threads/chord-dave-review-dac-hp-amp.35974
GR Research B24 AC Cable Review: Does it Make an Audible Difference? Audio Science Review 2022-07-15 | Review, listening tests and measurements of the GR Research AC Audio Cable. Sound clips are provided for comparison.Text Review: audiosciencereview.com/forum/index.php?threads/gr-research-b24-ac-cord-review.35685Kind credit to band Radical Face Missing Film album for free license for non-commercial use. Please see: youtube.com/watch?v=p5u7daV_jGQ&list=PLLJ-Wd9OHxj-jzYuHRm7seG7aTHamKGuCSuggest purchasing the album regardless as I did: radicalface.bandcamp.com/album/missing-film
Chord M-scaler Audio Resampler Review Audio Science Review 2022-07-07 | Measurements and listening tests of CHORD Hugo M-Scaler audio upsampler.Review text and audio samples: audiosciencereview.com/forum/index.php?threads/chord-m-scaler-review-upsampler.35498
High-resolution Speaker Frequency Response & Distortion Measurements and Why We Need Them Audio Science Review 2022-07-01 | Theory and practical aspects of measuring speaker & headphone frequency response and distortion. Explanation as to why these need to be high-resolution and what we can learn from them.References: Simultaneous Measurement of Impulse Response and Distortion with a Swept-Sine Techniqueaes.org/e-lib/browse.cfm?elib=10211Swept Sine Chirps for Measuring Impulse Responsethinksrs.com/downloads/pdfs/applicationnotes/SR1_SweptSine.pdf
GR Research Klipsch RP 600M Speaker Upgrade Review Audio Science Review 2022-06-29 | Detailed measurements, listening test and comparison of the Klipsch RP-600M speaker with and without GR Research modifications.Discussion at: audiosciencereview.com/forum/index.php?threads/gr-research-klipsch-rp-600m-upgrade-review-speaker.35326
Testing Open Power Cord interference in Interconnect Cables Audio Science Review 2022-06-28 | Explanation of why even an unterminated AC cable can cause interference in audio cables (and why it doesn't matter in reality).
GR Research LGK 2.0 DIY kit Speaker Review Audio Science Review 2022-06-18 | Review and detailed measurements of the GR Research Little Giant Killer Speaker Kit build. Listening tests are also included.Review and discussion at: audiosciencereview.com/forum/index.php?threads/gr-research-lgk-2-0-speaker-review-a-joke.34783Music track: Claire Martin / Too Much In Love To Careyoutu.be/NcgaJN2JF3s
Are Dirt Cheap RCA Cables Any Good? Audio Science Review 2022-05-03 | Review and measurements of "throw-way" stereo RCA cables to see how they perform.Discussion: audiosciencereview.com/forum/index.php?threads/recoton-rca-cable-review-ultra-cheap-cable.33473
Furutech NCF Clear Line AC Optimizer Review Audio Science Review 2022-05-03 | Furutech NCF Clear Line AC Optimizer Review, Measurements and Listening Tests.Text and discussion: audiosciencereview.com/forum/index.php?threads/furutech-ncf-clear-line-review-ac-optimizer.33573
Tripp Lite IS250 Isolation Transformer Audio Review Audio Science Review 2022-04-08 | Review of isolation transformer to see if they can improve audio fidelity.Review: audiosciencereview.com/forum/index.php?threads/tripp-lite-is250-review-isolation-transformer.32764
Vanatoo Transparent One Encore Speaker Review Audio Science Review 2022-04-01 | Review and detailed Measurements of the Vanatoo Transparent One Encore powered speaker.Text review: audiosciencereview.com/forum/index.php?threads/vanatoo-transparent-one-encore-powered-speaker.32421
VTA ST-70 Tube Stereo Amplifier Review Audio Science Review 2022-03-30 | Review and detailed measurements of the VTA ST-70 Stereo Tube Amplifier Kit based on Dyna ST-70 vintage amplifierText review: audiosciencereview.com/forum/index.php?threads/vta-st-70-review-stereo-tube-amplifier.32353
AudioQuest NRG-X3 Power Cable Review Audio Science Review 2022-03-29 | Review and detailed measurements of the AudioQuest NRG-X3 Power Cord Review.audiosciencereview.com/forum/index.php?threads/audioquest-nrg-x3-review-ac-power-cord.32257
Topping DX5 DAC & HP Amp Review Audio Science Review 2022-03-26 | Review and detailed measurements of the Topping DX5 balanced stereo DAC and headphone amplifier.audiosciencereview.com/forum/index.php?threads/topping-dx5-review-dac-hp-amp.32179
PS Audio PowerPlant Measurement Follow Up Audio Science Review 2022-03-25 | Response to PS Audio Measurements of P12 PowerPlant and follow up technical points.
Revel W553L In wall Home Theater Speaker Review Audio Science Review 2022-03-24 | Detailed measurements of the Revel W553L in-wall home theater speaker.Review: audiosciencereview.com/forum/index.php?threads/revel-w553l-measurements-in-wall-speaker.32072
Ashly Ne8250 Professional Multichannel 8 Channel Amplifier Review Audio Science Review 2022-03-20 | Review and detailed measurements of Ashly Ne8250 PA/professional 8 channel amplifier.Text review: audiosciencereview.com/forum/index.php?threads/ashly-ne8250-review-pro-8-channel-amp.31904
RCF AYRA PRO 5 Professional Monitor Review Audio Science Review 2022-03-18 | Review and detailed measurements of the RCF AYRA PRO5 active speaker/studio monitor.Text review: audiosciencereview.com/forum/index.php?threads/rcf-ayra-pro5-review-powered-monitor.31777/#post-1121838
Marantz SA-10 SACD Player Review Audio Science Review 2022-03-16 | Review and detailed measurements of the Marantz SA-10 stereo SACD player.Discussion: audiosciencereview.com/forum/index.php?threads/marantz-sa-10-review-sacd-player-dac.31686
Nordost Tyr 2 Review USB Cable High end Audio Science Review 2022-03-15 | Review and detailed measurements of Nordost Tyr 2 high-end USB cable. Listening tests are provided as well.Discussion at: audiosciencereview.com/forum/index.php?threads/nordost-tyr-2-review-usb-cable.31730
Octave Music Don Grusin High Resolution Music Analysis Audio Science Review 2022-03-11 | Objective analysis of Don Grusin Out of Thin Air high-resolution album produced by PS Audio Octave label. Analysis of both DSD and PCM versions is performed showing whether it has value over standard resolution.
PS Audio PowerPlant P12 AC Regenerator Review: Amplifier Testing Audio Science Review 2022-03-09 | Follow up measurements and review of PS Audio PowerPlant P12 AC Regen with power amplifiers (including impedance measurements). Also responding to company statements regarding my review and operation of the unit.Discussion thread: audiosciencereview.com/forum/index.php?threads/ps-audio-p12-review-part-2-power-testing.31432Part 1 Video: youtu.be/12T7JFLGlf0
PS Audio PowerPlant P12 AC Regenerator Review Audio Science Review 2022-03-04 | Detailed review and measurements of the PS Audio P12 AC Regenerator. Text review at: audiosciencereview.com/forum/index.php?threads/ps-audio-powerplant-12-review-ac-regenerator.31298Part 2 video: youtu.be/II07bFlteig
Genelec 8361A: Amazing Powered Speaker! Audio Science Review 2021-11-13 | Review and measurements of Genelec 8361A 3-way powered studio monitor.Review & discussion at: audiosciencereview.com/forum/index.php?threads/genelec-8361a-review-powered-monitor.28039
Audio Blind Testing - You Are Doing It Wrong! Audio Science Review 2021-09-23 | Detailed talk about proper way to perform controlled ("blind") tests to assess true fidelity of audio systems. Common mistakes are covered as are techniques for dealing with some of the difficulties and challenges in it to produce reliable results.Discussion thread on Audio Science Review: audiosciencereview.com/forum/index.php?threads/audio-blind-testing-you-are-doing-it-wrong-video.26809
Audio-gd DAC Master 7 Singularity Review [How NOT to Design a DAC] Audio Science Review 2021-09-13 | Detailed review and measurements of the Audio-gd DAC and poor approach taken toward designing of a "high-end" audio DAC.Written review and discussion at: audiosciencereview.com/forum/index.php?threads/audio-gd-master-7-singularity-review-dac.26460
