• WANTED: Happy members who like to discuss audio and other topics related to our interest. Desire to learn and share knowledge of science required. There are many reviews of audio hardware and expert members to help answer your questions. Click here to have your audio equipment measured for free!

Hyperlink Index for the specific thread on "Multichannel Multi-Driver Multi-Way Multi-Amplifier Stereo Project using Multichannel DAC"

dualazmak

Major Contributor
Forum Donor
Joined
Feb 29, 2020
Messages
2,984
Likes
3,202
Location
Ichihara City, Chiba Prefecture, Japan
For those who may be interested in digital software crossover/EQ within one PC and multi-driver (multi-way) multi-amplifier stereo audio system using fully synchronized multichannel DAC...

This thread/this post is just intending to share "Hyperlink Index" for my specific thread entitled "Multi-Channel, Multi-Amplifier Audio System Using Software Crossover and Multichannel-DAC".

Any further possible discussion and info exchange will be highly appreciated and welcome to be placed on
that thread and in some of the remote threads which this Hyperlink Index post is referring.

The specific thread is still vividly alive and growing; accordingly, the same for this hyperlink index post.

- General introduction_ topics, discussions to be shared in the thread: #001

- Rather detailed background and preceding history towards my multichannel multi-driver multi-way multi-amplifier stereo project: #030, #128, #178, #015(remote thread)


- The latest system setup of my DSP-based multichannel multi-SP-driver multi-amplifier fully active audio rig, including updated startup/ignition sequences and shutdown sequences: as of June 26, 2024: #931


- VB-Audio MATRIX (VASIO64A setup) as system-wide ASIO and other audio I/O routing center: Replacement for ASIO4ALL and VB-Audio Virtual/HiFi Cables: #851, #854, #858

- The latest total system configuration with DIY 12-VU-Meter Array, the best tuned time alignment and Fq response, together with further various setup info: as of May 30, 2022: #540

- Total system configuration and the best tuned Fq response; as of January 25, 2022: #508

- Updated latest system diagrams as of January 2, 2022: #485

- Latest best tuned total frequency response of the whole system as of January 2, 2022: #485

- Latest system setup as of August 7, 2021: #416, #636(remote thread)

- Perfect (0.1 msec precision) time alignment of all the SP drivers greatly contributes to amazing disappearance of SPs, tightness and cleanliness of the sound, and superior 3D sound stage: #520

- How to organize digital music library; sharing my policy and operation: #004(remote thread), #346

- Outline and brief introduction to digital XO/EQ software EKIO: #002
- Speaker cabling board for single-amp and multi-amplifier setups: #004, #137, #250
- Synchronization or not between multiple DAC units: #003, #074

- Passive LC crossover network in outer box before multichannel project: #005

- Why all ASIO I/O audio routing on Windows PC? #1,837(remote thread)
- Full ASIO I/O with digital XO/EQ software EKIO: #006, #297

- REW-Wavelet analysis in digital domain to check delay configuration in EKIO: #017, #018
- Room acoustics measurements with REW-Wavelet: #020-#022
- Fq response with Yamaha NS-1000 before the multichannel project: #011, #019, #023, #033

- Sony "Super Audio Check CD": #026
- Unique super tweeter physical alignment (positioning) in the project : #027
- VCT (vinyl Cabtyre) multicore flexible cables (AWG10, AWG12) for amplifiers into speaker drivers: #028, #137

- Phase issues -1-: #031
- Phase issues -2-: #033
- Phase issues -3-: #034
- Phase issues -4-: #039

- My audio sampler music tracks: #044, #357, #519, #670

- Yamaha XM4080 4-Ch PA amplifier (not tested): #055

- Yamaha's original passive LC network in NS-1000: #033

- Difference between Yamaha NS-1000 and NS-1000M, and a few of reference websites for these two speakers: #084

- Where to control master volume and relative gains? #058, #060, #062, #191-#221
- Inter-channel delay or not in software XO/EQ/DSP: #077-#080

- Useful web articles on Yamaha NS-1000 and NS-1000M: #084

- OKTO DAC8PRO firmware 1.32 arrived and photos: #092-#094, #131
- DIYIHNK v4.59.0 ASIO USB driver for DAC8PRO: #095

- DAC8PRO in 2xDSD (DSD128); overall sound comparison with OPPO Sonica DAC: #096
- DAC8PRO in 192 kHz 24 bit; overall sound comparison with OPPO Sonica DAC: #097
- DAC8PRO in 192 kHz 24 bit; overall sound check in any pair of 8 channels: #098, #100

- Phase-delay discussion with QMouse and Kal Rubinson: #109-#123
- Does DAC8PRO need warming-up? no! : #124, #131

- "First-to-try" EKIO Configuration, policy and approach: the simpler, the better: #129
- "Second-to-try" EKIO Configuration trusting EKIO to mimic NS-1000's attenuator settings: #130

- Useful public domain documents and books for understandings on audio crossover: #132-#135

- EKIO uses IIR filters; cascade 2nd order direct form II biquad in 64 bit floating point: #138-#142
- EKIO (using IIR filters) gives audible post-ringing or pre-ringing, or not?: #143

- DAC8PRO's headphone out for RCA unbalanced input to sub-woofer Yamaha YST-SW1000: #162

- Possible use of Yamaha MX-A5200 (class-AB) 11-Ch AV amp; specs etc. #164-#168, #170-#171
- Tests, evaluation and conclusion with Yamaha MX-A5200 (class-AB) 11-Ch AV amp: #175

- Invaluable discussion with Igor Kirkwood who is using Yamaha NS-1000X in his multichannel rig: #179-#189

- AES/EBU Sync connection from DAC8PRO (CH1+CH2) to Onkyo DAC-1000: #190

- Again, where to control master volume? #191-#221

- Completely silent audio (audio-visual) dedicated Windows PCs in this project: #225

- Tests and evaluations of Dentech Hypex NC400 DP-NC400-4-EXP (class-D) multichannel (4-Ch) amplifiers: #228-#230

- Protection capacitors for Be-squawkers, Be-tweeters and metal horn super tweeters: #245

- In depth insights on SP attenuators and their elimination in multichannel system: #248, #251, #99(remote thread), #100(remote thread), #101(remote thread)

- Elimination of magnetic susceptible metals in SP signal handling: #250, #013(remote thread)

- How can I test/compare one candidate stereo amplifier in multichannel multi-amplifier project? #249

- Phase discussion with Lbstyling: #254-#257

- Benchmark AHB2 (class-A[H]B)_Part-1_Comparison with ACCUPHASE E-460 in Single-Amplifier + LC-Network full range reference sound system: #253
- Benchmark AHB2 (class-A[H]B)_Part-2_Incorporation in multichannel multi-amplifier system and Listening sessions: #258, #265

- Rotel RB-1582 MkII (class-AB)_Part-1_Comparison with AccuphaseE-460 and Benchmark AHB2 in single-Amplifier + LC-network full range reference sound system: #263
- Rotel RB-1582 MkII (class-AB)_Part-2_Incorporation in multichannel multi-amplifier system and listening Sessions: #264, #265

- Invaluable discussion with tpazadpom on subjective listening impressions on amps: #266, #268
- Coarch_Kaarlo's evaluations on Yamaha NS-2000: #271, #272

- Background and discussions on possible use of class-A amplifier(s) in multichannel multi-amplifier project: #265, #267, #269, #270, #273, #275, #281

- Interesting suggestions from an amplifier engineer in Japan on amplifier exploration: #281

- Accuphase provides repair and maintenance services for any of their past and present products (including my E-460) sold in the past 50 years: #045(remote thread)

- Accuphase A-36 (class-A)_Part-1_In single-amplifier and bi-amplifier + LC-network audio system: #282
- Accuphase A-36 (class-A)_Part-2_In multichannel multi-amplifier audio system: #283

- Possible "Type" of three amplifiers in current multichannel multi-amplifier project: #284

- Teac AX-505 and AP-505 (both class-D)_Part-1_In single-amplifier and bi-amplifier + LC-network audio system: #290
- Teac AX-505 and AP-505 (both class-D)_Part-2_In multichannel multi-amplifier audio system: #291

- Possible three plans for amplifiers in current multichannel multi-amplifier project: #292

- Again, full ASIO I/O with digital XO/EQ software EKIO: #297, #006

- Possibilities of Sony TA-A1ES (quasi class-A) and Yamaha A-S3000 (class-AB) in multichannel multi-amplifier project: #302, #305

- Yamaha A-S3000 (class-AB) and Sony TA-A1ES (quasi class-A)_Part-1_In single-amplifier + LC-network full range audio system: #307
- Yamaha A-S3000 (class-AB) and Sony TA-A1ES (quasi class-A)_Part-2_In In bi-amp + LC-network stereo system together with Accuphase E-460: #308
- Yamaha A-S3000 (class-AB) and Sony TA-A1ES (quasi class-A)_Part-3_In multichannel multi-amplifier stereo system together with Accuphase E460: #309

- (Provisional) Decision on amplifiers selection and photos of the listening environments: #311

- Discussion on rather subjective aspects including "musicality" on amplifier selection: #313-#317

- L+R Frequency response at usual listening position in the listening room and environments: #318-#320, #323-#330
- Frequency response measurements in digital domain/level, in DAC8PRO's analog output level, and in amplifier's output level: #321

- Startup (ignition) sequences and shutdown sequences of multichannel multi-amplifier system: #322, #426

- Interesting and intensive discussions with mikessi and gene_stl mainly on Yamaha NS-1000 and NS-1000M, especially on its still-amazing Be-dome midrange driver: #322-#342

- Introduction to my new thread entitled "Lute Music: Stunning Recordings We Love": #343

- TheBatsEar's nice comments on super tweeters and Yamaha amplifiers: #348-#353

- Info on Danville Signal's dspNexus 2/8 and dspNexus 2/16, 2-in 8-out, 2-in 16-out, new one-box DSP units: #355, #356

- My audio sampler music tracks, updated: #357

- "Near ultrasound - ultrasound" ultra-high frequency (UHF) noises in improperly engineered/processed HiRes music tracks, and EKIO's XO-EQ configuration to cut-off such noises: #362-#386, #518, #532

- New standard EKIO digital crossover configuration with high-cut (low-pass) -48 dB/Oct LR filters at 25 kHz: #386

- Brief discussion and links to the remote review post/thread on Trinnov Altitude 16: #387

- Frequency response measurements by "cumulative pink noise averaging": #388-#390

- Frequency response measurements by "cumulative white noise averaging": #392, #404, especially the end portion of #297(remote thread) by Dr. Floyd Toole, #315(remote thread) by Dr. Floyd Toole, #125(remote thread)

- Where in my multichannel multi-driver (multi-way) multi-amplifier stereo system should I measure/check frequency (Fq) Responses? #393

- Frequency (Fq) responses in the completed system measured by using “cumulative white noise averaging method” under the present standard crossover configurations and relative gains_Part-1_Fq Responses in EKIO’s digital output level: #394

- Frequency (Fq) responses in the completed system measured by using “cumulative white noise averaging method” under the present standard crossover configurations and relative gains_Part-2_Fq Responses in DAC8PRO’s analog output level: #396

- Frequency (Fq) responses in the completed system measured by using “cumulative white noise averaging method” under the present standard crossover configurations and relative gains_Part-3_Fq Responses in amplifiers’ SP output level before protection capacitors: #401

- Frequency (Fq) responses in the completed system measured by using “cumulative white noise averaging method” under the present standard crossover configurations and relative gains_Part-4_Fq Responses in amplifiers’ SP output level after protection capacitors: #402

- Frequency (Fq) responses in the completed system measured by using “cumulative white noise averaging method” under the present standard crossover configurations and relative gains_Part-5_Fq Responses in actual SP room sound at listening position using one measurement microphone: #403

- Frequency (Fq) responses in the completed system measured by using “cumulative white noise averaging method” under the present standard crossover configurations and relative gains_Part-6_Summary, discussions, and a little step forward: #404, #405-#409

- Frequency response in the new (latest) configuration with four amplifiers plus active sub-woofers: #410
- Frequency response measured under subjectively best fine-tuned gain/volume settings with the four amplifiers plus active sub-woofers: #411
- Intensive comparison of high-range sound cleanliness/clearness between Option-3 and Option-4 for driving super-tweeters: #413

- Links to interesting and informative discussions on the two remote threads where I partly participates having my experiences in this multichannel multi-driver (multi-way) multi-amplifier project; What makes speakers "disappear" and can it be measured? and Midrange dome drivers banned? #412

- Updated system diagrams and photos as of August 7, 2021: #416, #636(remote thread)

- Updated startup (ignition) sequences and shutdown sequences of multichannel multi-amplifier system: #426

- Even Greg Timbers uses "reasonable and budget" Pioneer Elite A-20 for compression drivers (super tweeters) in his extraordinary expensive multichannel stereo system with JBL Everest DD67000 which he himself designed and developed: #435

- A serious jazz fanatic friend came to my home for audio sessions using my multichannel multi-driver multi-way multi-amplifier stereo system: #438

- An interesting 8-page web article on Yamaha speakers: #441

- Backside wiring photos of PCs-DACs-amplifiers and also backside photos of SPs: #442, #636(remote thread)

- Information exchange is in progress after this post on this remote thread regarding FOCUSRITE Scarlett 18i20 2nd gen (and 3rd gen) as well as MOTU UltraLite Mk5; it looks both of them support simultaneous sync 10-channel DAC processes: #449

- Just thinking about possibility and feasibility of adding a pair of woofer (or a pair of completed SP as woofer) in present multi-channel multi-driver (multi-way) multi-amplifier stereo setup: #451, #167(remote thread), #170 (remote thread), #183(remote thread), #455, #459-#461, #462-#466, #469, #31(remote thread), #470, #471, #473, #474, #476, #477, #495

- Again, about Yamaha Beryllium dome midrange driver JA-0801, and about DIY restoration and refreshment of NS-1000/NS-1000M: #478-#482, #486-#492

- Overhaul maintenance of super-tweeter FOSTEX T925A and further signal fine tuning thereafter: #485

- Latest best tuned total frequency response of the whole system as of January 2, 2022: #485

- Updated latest system diagrams as of January 2, 2022: #485

- Precision measurement and adjustment of time alignment for speaker (SP) units: Part-1_ Precision pulse wave matching method: #493
- Precision measurement and adjustment of time alignment for speaker (SP) units: Part-2_ Energy peak matching method: #494
- Precision measurement and adjustment of time alignment for speaker (SP) units: Part-3_ Precision single sine wave matching method in 0.1 msec accuracy: #504, #507

- Measurement of transient characteristics of Yamaha 30 cm woofer JA-3058 in sealed cabinet and Yamaha active sub-woofer YST-SW1000: #495, #497, #503, #507

- Identification of sound reflecting plane/wall by strong excitation of SP unit and room acoustics: #498

- Short communication on my preference in room acoustics: #502

- Total system configuration and the best tuned Fq response; as of January 25, 2022: #508

- Again, "Near ultrasound - ultrasound" ultra-high frequency (UHF) noises in HiRes music tracks, and EKIO's XO-EQ configuration to cut-off such noises: #518

- Perfect (0.1 msec precision) time alignment of all the SP drivers greatly contributes to amazing disappearance of SPs, tightness and cleanliness of the sound, and superior 3D sound stage: #520

- Summary of rationales for "on-the-fly (real-time)" conversion of all music tracks (including 1 bit DSD tracks) into 88.2 kHz or 96 kHz PCM format for DSP (XO/EQ) processing: #532

- My nostalgia and preference for large glass-face VU meters: DIY of 12-VU-Meter Array in multichannel multi-driver multi-way multi-amplifier stereo audio system: #535

- Dancing video of my IEC 60268-17 compatible large glass-face DIY 12-VU-Meter Array
_____Part-1:
with "High Frequency Linearity Check Track" of Sony Super Audio Check CD: #750
_____Part-2: with typical "Full Orchestra Music"-1: #751
_____Part-3: with typical "Full Orchestra Music"-2: #752
_____Part-4: with typical "Jazz Piano Trio Music": #753

- NISHIZAWA R-65 VU meter plus ATV205EXT VU amp board is compatible with IEC 60268-17 VU meter specification/standard: #545

- The latest total system configuration with DIY 12-VU-Meter Array, the best tuned time alignment and Fq response, together with further various setup info: as of May 30, 2022: #540

- MOTU 828es Thunderbolt/USB Audio Interface can be used as 12-channel or 14-channel sync multichannel DAC together with EKIO as system-wide XO/EQ center on Windows OS: #546 through #556, #558, #559

- Topping DM7 8-channel USB DAC launched: #581

- Availabilities of repair, maintenance and overhaul services on my Yamaha SP drivers, Fostex SP drivers, as well as amplifiers I use in this multichannel multi-amplifier project: #584, #67(remote thread)

- Excellent Recording Quality Music Albums/Tracks for Subjective (and Possibly Objective) Test/Check/Tuning of Multichannel Multi-Driver Multi-Way Multi-Amplifier Time-Aligned Active Stereo Audio System and Room Acoustics; at least a Portion and/or One Track being Analyzed by Color Spectrum of Adobe Audition in Common Parameters:
[Part-00] Introduction:
#587
[Part-01] Full Orchestral Music: #588
[Part-02] Solo Piano Music: #590
[Part-03] Typical(?) Smooth Jazz Music with Guitar: #591
[Part-04] Bimmel Bolle Antique Orgel; Extremely High-Energy High-Frequency Sharp Transient sound: #592
[Part-05] Color Spectrum of Tracks in CBS/Sony's "Super Audio Check CD": #593
[Part-06] Female Vocal in Jazz and Popular Music, and One Male Vocal Track for Comparison: #596
[Part-07] Female Vocal and Counter Tenor in Early Classical Music: #639
[Part-08] (Smooth?) Jazz Trio: #640
[Part-09] Organ Music: #641
[Part-10] Lute Music: #642
[Part-11] Violin Music: #643
[Part-12] Cello Music: #644
[Part-13] Harpsichord (Cembalo, Clavecin) Music: #645
[Part-14] Piano Concertos: #650
[Part-15] Again, CBS/Sony's "Super Audio Check CD": Analyzed by Adobe Audition 3.0.1 and MusicScope 2.1.0: #651
[Part-16] A Cappella Chorus and A Cappella Vocal Ensemble: #652
[Part-17] Excellent Quality Music Tracks, But Containing Unacceptably High Gain Low-Frequency Air Conditioning Noises; What Counter Measures Can We Have? #658
[Part-18] An Interlude or Provisional Finale of the Post Series: #669


- Updated, the latest, Audio Sampler Playlist as of October 20, 2022: #670

- A nice smooth-jazz album for bass (low Fq) and higher Fq tonality check and tuning: #910, #63(remote thread)

- Semiannual complete cleaning of all the metal-to-metal connectors: #671

- Not only the precision (0.1 msec level) time alignment over all the SP drivers but also SP facing directions and sound-deadening space behind the SPs plus behind our listening position would be critically important for effective (perfect?) disappearance of speakers: #687

- Revival of analog LP player (MC cartridge) in my DSP multichannel multi-driver multi-amplifier fully active stereo system for real time on-the-fly vinyl LP listening (and digital recording, if needed): #688

- Inside of Audio-Technica AT-PEQ30 phono preamplifier, and successful DIY suppression of inaudible EMF (electro-magnetic field) interference noise: #697

- Another comparative listening, on-the-fly vinyl LP vs. Remastered CD: analog piano solo recorded in 1967: #722

- Another comparative listening; on-the-fly remastered vinyl LP vs. remastered CD: Bill Evans jazz piano trio, analog recorded in 1977; remastered (2021) vinyl LP (45-RPM 188-gram) vs. its CD release: #740

- Dancing video of my IEC 60268-17 compatible large glass-face DIY 12-VU-Meter Array
_____Part-1:
with "High Frequency Linearity Check Track" of Sony Super Audio Check CD: #750
_____Part-2: with typical "Full Orchestra Music"-1: #751
_____Part-3: with typical "Full Orchestra Music"-2: #752
_____Part-4: with typical "Jazz Piano Trio Music": #753

- My rather intensive investigations on objective and subjective comparison between DSD-layer and CD-layer of the specific hybrid SACD: #42(remote thread)

- Summary of my motivations reviving vinyl TT (turntable) in DSP-based multichannel time-aligned multi-SP-driver multi-amplifier fully active stereo audio setup: #758, #1,262(remote thread)

- Important recent information on software DSP "EKIO": #759

- Five "real air-recorded transient-sound tracks" of Sony Super Audio Check CD played and analyzed by MusicScope 2.1.0: #760

- A tiny step forward: fully independent relative gain controls for tweeters and super-tweeters using an active HiFi-grade pro-use XLR line-level splitter-distributor: #769

- The latest system setup of my DSP-based multichannel multi-SP-driver multi-amplifier fully active audio rig as of August 3, 2023: #774

- The latest "startup/ignition sequences" and "shutdown sequences" in my DSP-based multichannel multi-SP-driver multi-amplifier fully active audio rig as of August 3, 2023: #776

- Reproduction and listening/hearing/feeling sensations to 16 Hz (organ) sound with my DSP-based multichannel multi-SP-driver multi-amplifier fully active stereo audio system having big-heavy active L&R sub-woofers: #782

- Can I (we) temporarily synchronize outputs of multiple DAC units (each of them has own independent ASIO driver) in 10 micro second (0.01 msec) precision in DSP-based multichannel audio setup?: #783

- Can I (we) temporarily synchronize outputs of multiple DAC units (each of them has own independent ASIO driver) in 10 micro second (0.01 msec) precision in DSP-based multichannel audio setup? Part-2: Simplified experiments without using audio mixer: #804

- Frequency response of my BEHRINGER ECM8000 measurement microphone (specially selected unit in 2008): #831

- VB-Audio MATRIX (VASIO64A setup) as system-wide ASIO and other audio I/O routing center: Replacement for ASIO4ALL and VB-Audio Virtual/HiFi Cables: Part-1 #851

- VB-Audio MATRIX (VASIO64A setup) as system-wide ASIO and other audio I/O routing center: Replacement for ASIO4ALL and VB-Audio Virtual/HiFi Cables: Part-2_Further optimization in conformity with present configuration of DSP "EKIO": #854

- VB-Audio MATRIX (VASIO64A setup) as system-wide ASIO and other audio I/O routing center: Replacement for ASIO4ALL and VB-Audio Virtual/HiFi Cables: Part-3_VB Matrix VAIO4 as Windows default audio playback device feeding into system-wide DSP Center "EKIO": #858

- Semi-annual intensive cleaning of all the metal-to-metal connectors/contacts, and complete renewal of all the tin-electroplated copper terminals with heat-shrink insulators: #895

- You should never solder the crimped spade terminals: #904

- Renewal of SP cabling boards beside SP systems: #906

- Apparent power consumption of whole audio system during daily audio listening sessions: how SDGs-friendly is it?: #907

- A nice smooth-jazz album for bass (low Fq) and higher Fq tonality check and tuning: #910, #63(remote thread)

- Again, summary of my rationales and pros of analog-level relative gain (tonality) controls in addition to gain controls in DSP configuration: #911, #317(remote thread), #313(remote thread)


- A new series of audio experiments on reflective wide-3D dispersion of super-tweeter sound using random-surface hard-heavy material: Part-1_ Background, experimental settings, initial preliminary listening tests: #912

- A new series of audio experiments on reflective wide-3D dispersion of super-tweeter sound using random-surface hard-heavy material: Part-2_ Comparison of catalogue specifications of metal horn super-tweeter (ST) FOSTEX T925A and YAMAHA Beryllium dome tweeter (TW) JA-0513; start of intensive listening sessions with wide-3D reflective dispersion of ST sound: #921

- A new series of audio experiments on reflective wide-3D dispersion of super-tweeter sound using random-surface hard-heavy material: Part-3_ Listening evaluation of sound stage (sound image) using excellent-recording-quality lute duet tracks: #926

- A new series of audio experiments on reflective wide-3D dispersion of super-tweeter sound using random-surface hard-heavy material: Part-3.1_ Listening evaluation of sound stage (sound image) using excellent-recording-quality jazz trio album: #927

- A new series of audio experiments on reflective wide-3D dispersion of super-tweeter sound using random-surface hard-heavy material: Part-4_Provisional conclusion to use Case-2 reverse reflective dispersion setting in default daily music listening: #929


- The latest system setup of my DSP-based multichannel multi-SP-driver multi-amplifier fully active audio rig, including updated startup/ignition sequences and shutdown sequences: as of June 26, 2024: #931


Further hyperlink indexes will be added in this post along with the steady growth of the specific thread...
 
Last edited:
Reserved for addition and/or future communication

 
Reserved for addition and/or future communication

 
Back
Top Bottom