Propeller Head Plaza

Class D designer speaks

72.186.82.177

I would have liked to see more detail of his speaker design, but very interesting none the less. Enjoy :-)

Cheers,

AJ

This post will last approximately 2 minutes. 120,119,118,117...

http://www.spectrum.ieee.org/feb08/5953 (Open in New Window)

Follow Ups:

Only heard 2 "digital" amps so far... - bjh 13:37:52 02/13/08 (5)
- RE: Only heard 2 "digital" amps so far... - morricab 01:48:43 02/14/08 (0)
- I enjoyed the Channel Island amps playing via Von Schweikert speakers. - Enophile 14:05:15 02/13/08 (3)
  - RE: I enjoyed the Channel Island amps playing via Von Schweikert speakers. - AJinFLA 16:06:52 02/13/08 (2)
    - I may be wrong, but I think Channel Island's amps are Putzeys? - Enophile 16:50:59 02/13/08 (1)
      - RE: I may be wrong, but I think Channel Island's amps are Putzeys? - AJinFLA 16:59:11 02/13/08 (0)
RE: Class D designer speaks - bwaslo 20:22:38 02/12/08 (13)
- Making sense is not permitted here! Oh, and ROTFLOL!! - Pat D 05:10:51 02/15/08 (0)
- RE: Class D designer speaks - morricab 03:37:06 02/14/08 (1)
  - Well said - E-Stat 06:22:52 02/15/08 (0)
- RE: Class D designer speaks - AJinFLA 16:19:26 02/13/08 (1)
  - RE: Class D designer speaks - Todd Krieger 00:58:18 02/15/08 (0)
- RE: Class D designer speaks - Presto 22:40:28 02/12/08 (6)
  - RE: Class D designer speaks - AJinFLA 16:21:19 02/13/08 (2)
    - The woman in the blue ad took the blue pill. - Presto 09:12:54 02/14/08 (1)
      - RE: The woman in the blue ad took the blue pill. - kerr 09:28:00 02/14/08 (0)
  - Objection!... - Wellfed 08:04:42 02/13/08 (2)
    - Overruled!... - AJinFLA 16:08:28 02/13/08 (1)
      - There was this rectangular plank mounted on the wall... - Wellfed 09:50:46 02/14/08 (0)
- You Hit On What I Call....... - Todd Krieger 22:33:57 02/12/08 (0)
Class-D Amplifiers vs. the Teleportation Tweak...... - Todd Krieger 12:19:55 02/11/08 (59)
- RE: Class-D Amplifiers vs. the Teleportation Tweak...... - AJinFLA 17:02:50 02/12/08 (6)
  - RE: Class-D Amplifiers vs. the Teleportation Tweak...... - Todd Krieger 22:11:42 02/12/08 (5)
    - You have broken the first commandment of subjectivism - AJinFLA 16:04:36 02/13/08 (4)
      - Notice To All Audiophiles........ - Todd Krieger 22:44:16 02/13/08 (3)
        
        Glad you admit that it is hypocritical/wrong to judge a product you have never listened to - AJinFLA 16:08:24 02/14/08 (2)
        
        RE: Glad you admit that it is hypocritical/wrong to judge a product you have never listened to - Todd Krieger 20:34:18 02/14/08 (1)
        
        RE: Glad you admit that it is hypocritical/wrong to judge a product you have never listened to - AJinFLA 20:32:19 02/15/08 (0)
- "Although the sonic benefit of the Teleportation Tweak is questionable..." LOL! - clarkjohnsen 13:53:11 02/11/08 (0)
- So some critics disagree to what you just said. - cheap-Jack 12:41:36 02/11/08 (50)
  - Let 'Em Disagree....... - Todd Krieger 13:03:08 02/11/08 (49)
    - Don't get me wrong.. - cheap-Jack 07:49:20 02/12/08 (48)
      - RE: Don't get me wrong.. - AJinFLA 17:10:37 02/12/08 (46)
        
        My take on op amps is a bit different - E-Stat 15:40:07 02/14/08 (38)
        
        The only good op amp is a dead op amp! - morricab 04:13:06 02/15/08 (8)
        
        RE: The only good op amp is a dead op amp! - AJinFLA 08:21:53 02/16/08 (0)
        
        RE: The only good op amp is a dead op amp! - theaudiohobby 10:17:12 02/15/08 (6)
        
        RE: The only good op amp is a dead op amp! - morricab 02:28:20 02/17/08 (5)
        
        RE: The only good op amp is a dead op amp! - AJinFLA 08:04:47 02/17/08 (4)
        
        RE: The only good op amp is a dead op amp! - morricab 01:31:15 02/18/08 (0)
        
        LOL - Analog Scott 13:49:52 02/17/08 (2)
        
        RE: LOL - AJinFLA 16:59:41 02/17/08 (1)
        
        I'm angry? - Analog Scott 17:04:43 02/17/08 (0)
        
        Answered previously - AJinFLA 15:54:52 02/14/08 (28)
        
        Got a question for ya - E-Stat 16:15:25 02/14/08 (27)
        
        RE: Got a question for ya - theaudiohobby 04:31:21 02/15/08 (26)
        
        RE: Got a question for ya - morricab 08:26:53 02/15/08 (21)
        
        A few comments on this article - andy_c 10:56:06 02/18/08 (4)
        
        RE: A few comments on this article - morricab 07:48:47 02/20/08 (3)
        
        RE: A few comments on this article - andy_c 19:38:05 02/20/08 (1)
        
        RE: A few comments on this article - morricab 05:17:59 02/21/08 (0)
        
        No distortion on the Masters, please! - Tony Lauck 10:02:02 02/20/08 (0)
        
        RE: Got a question for ya - theaudiohobby 09:45:48 02/15/08 (15)
        
        RE: Got a question for ya - morricab 02:33:32 02/17/08 (14)
        
        RE: Got a question for ya - theaudiohobby 12:01:32 02/17/08 (13)
        
        RE: Got a question for ya - morricab 01:47:08 02/18/08 (8)
        
        RE: Got a question for ya - theaudiohobby 09:47:01 02/18/08 (7)
        
        RE: Got a question for ya - morricab 12:36:45 02/18/08 (6)
        
        RE: Got a question for ya - theaudiohobby 01:21:53 02/19/08 (5)
        
        RE: Got a question for ya - morricab 06:02:11 02/19/08 (4)
        
        RE: Got a question for ya - theaudiohobby 06:21:13 02/19/08 (3)
        
        RE: Got a question for ya - morricab 02:52:02 02/20/08 (2)
        
        RE: Got a question for ya - theaudiohobby 04:32:10 02/20/08 (1)
        
        RE: Got a question for ya - morricab 07:52:48 02/20/08 (0)
        
        RE: Got a question for ya - AJinFLA 13:59:19 02/17/08 (3)
        
        RE: Got a question for ya - morricab 01:51:28 02/18/08 (2)
        
        RE: Got a question for ya - Tony Lauck 09:36:07 02/18/08 (1)
        
        RE: Got a question for ya - morricab 12:37:55 02/18/08 (0)
        
        I can safely assume your answer to the question -nt - E-Stat 05:50:04 02/15/08 (3)
        
        RE: Same here -nt - theaudiohobby 07:28:48 02/15/08 (2)
        
        Sorry to hear that - E-Stat 08:19:26 02/15/08 (1)
        
        RE: You are hilarious - theaudiohobby 08:44:18 02/15/08 (0)
        
        If transparency, life-size imaging & soundstaging are "distortion & coloration", - cheap-Jack 07:59:43 02/13/08 (1)
        
        No, they are not - AJinFLA 16:38:22 02/13/08 (0)
        
        Tried that - kerr 05:36:21 02/13/08 (3)
        
        RE: Tried that - AJinFLA 17:37:07 02/13/08 (1)
        
        Big Tom is an objectivist - kerr 04:51:35 02/14/08 (0)
        
        Yea, it's funny. (nt) - cheap-Jack 11:55:23 02/13/08 (0)
      - You're Fine...... - Todd Krieger 09:02:27 02/12/08 (0)
RE: Class D designer speaks - John Atkinson 10:32:47 02/11/08 (11)
- RE: Class D designer speaks - AJinFLA 17:22:40 02/12/08 (8)
  - Something strange going on with this amp - andy_c 11:00:22 02/13/08 (4)
    - RE: Something strange going on with this amp - morricab 03:42:45 02/14/08 (0)
    - RE: Something strange going on with this amp - AJinFLA 16:46:17 02/13/08 (0)
    - RE: Something strange going on with this amp - tomservo 13:00:03 02/13/08 (1)
      - RE: Something strange going on with this amp - andy_c 14:05:34 02/13/08 (0)
  - RE: Class D designer speaks - John Atkinson 06:35:56 02/13/08 (2)
    - RE: Class D designer speaks - AJinFLA 16:55:48 02/13/08 (1)
      - RE: Class D designer speaks - morricab 03:47:54 02/14/08 (0)
- Put aside the data, how did it sound to you? (nt) - cheap-Jack 10:51:30 02/11/08 (1)
  - RE: Put aside the data, how did it sound to you? (nt) - jon_s 13:35:02 02/14/08 (0)
Class D Designer Speaks ---But Doesn't Listen. - thetubeguy1954 15:21:01 02/10/08 (73)
- That's simply untrue. - Pat D 06:06:42 02/15/08 (0)
- RE: Class D Designer Speaks ---But Doesn't Listen. - rdf 17:17:14 02/11/08 (0)
- Ever listened to a really good sounding class D amp? (nt) - cheap-Jack 09:11:59 02/11/08 (11)
  - No, but a couple of really medicore ones - kerr 09:24:29 02/11/08 (10)
    - No, not yet. - cheap-Jack 09:29:49 02/11/08 (9)
      - Measues swell, except for - E-Stat 16:57:42 02/11/08 (6)
        
        You are saying *measurements* will tell you what you will hear? - AJinFLA 17:27:05 02/12/08 (5)
        
        Entirely? - E-Stat 05:34:26 02/13/08 (4)
        
        And who said they could? Links/references/quotes? (nt) - AJinFLA 16:40:48 02/13/08 (3)
        
        Ok - E-Stat 17:19:26 02/13/08 (2)
        
        RE: Ok - AJinFLA 16:30:42 02/14/08 (1)
        
        Sorry - E-Stat 19:15:54 02/14/08 (0)
      - Probably - kerr 09:37:51 02/11/08 (1)
        
        Funny guy! nt - clarkjohnsen 13:58:02 02/12/08 (0)
- RE: Class D Designer Speaks ---But Doesn't Listen. - tomservo 09:07:11 02/11/08 (42)
  - RE: Class D Designer Speaks ---But Doesn't Listen. - Ugly 19:24:38 02/11/08 (25)
    - RE: Class D Designer Speaks ---But Doesn't Listen. - tomservo 06:28:19 02/12/08 (1)
      - RE: Class D Designer Speaks ---But Doesn't Listen. - Ugly 19:28:07 02/12/08 (0)
    - RE: Class D Designer Speaks ---But Doesn't Listen. - Analog Scott 19:57:19 02/11/08 (22)
      - RE: Class D Designer Speaks ---But Doesn't Listen. - Ugly 20:10:39 02/11/08 (21)
        
        IOW you have no idea - Analog Scott 05:25:38 02/12/08 (20)
        
        OK Scott if you say so. Is this another case of you declaring yourself the victor? - Ugly 07:51:09 02/12/08 (19)
        
        RE: OK Scott if you say so. Is this another case of you declaring yourself the victor? - AJinFLA 17:32:19 02/12/08 (4)
        
        RE: OK Scott if you say so. Is this another case of you declaring yourself the victor? - Analog Scott 20:10:28 02/12/08 (3)
        
        RE: OK Scott if you say so. Is this another case of you declaring yourself the victor? - Ugly 20:28:27 02/12/08 (2)
        
        Dude, if you are going to stereotype at least get it right - Analog Scott 20:34:52 02/12/08 (1)
        
        I'm Ugly damn it! n/t - Ugly 20:47:13 02/12/08 (0)
        
        no, I was the loser - Analog Scott 15:52:01 02/12/08 (0)
        
        Ugly Could You Be Any More Vague? - thetubeguy1954 09:30:26 02/12/08 (12)
        
        RE: Ugly Could You Be Any More Vague? - Ugly 19:22:41 02/12/08 (9)
        
        RE: Ugly Could You Be Any More Vague? - thetubeguy1954 07:54:50 02/13/08 (7)
        
        RE: Ugly Could You Be Any More Vague? - Ugly 20:30:01 02/13/08 (2)
        
        Stopping Dodging The Actual Topic! - thetubeguy1954 12:09:18 02/14/08 (1)
        
        The ugly duck-outling? nt - clarkjohnsen 14:28:06 02/14/08 (0)
        
        One can only hope that such good sense will be appreciated here. nt - clarkjohnsen 13:54:22 02/13/08 (0)
        
        RE: An amplifier simply amplifies an electrical signal - theaudiohobby 08:37:53 02/13/08 (2)
        
        I suppose this is one fundamental difference between an objective and subjective approach - Analog Scott 06:10:06 02/14/08 (1)
        
        On the money - kerr 06:33:18 02/14/08 (0)
        
        RE: Ugly Could You Be Any More Vague? - Analog Scott 20:08:16 02/12/08 (0)
        
        Told you he'd weasel out! nt - clarkjohnsen 12:47:17 02/12/08 (1)
        
        more insults and no content. Careful Clark your intelligence is showing. n/t - Ugly 18:13:24 02/12/08 (0)
  - RE: Class D Designer Speaks ---But Doesn't Listen. - Analog Scott 18:23:07 02/11/08 (0)
  - RE: Class D Designer Speaks ---But Doesn't Listen. - thetubeguy1954 14:21:01 02/11/08 (3)
    - RE: Class D Designer Speaks ---But Doesn't Listen. - tomservo 16:41:59 02/13/08 (1)
      - RE: Class D Designer Speaks ---But Doesn't Listen. - Analog Scott 20:14:48 02/13/08 (0)
    - But "Can the athlete swim?" Excellent precis. You're closing in on the explanation. - clarkjohnsen 14:00:14 02/12/08 (0)
  - RE: Class D Designer Speaks ---But Doesn't Listen. - morricab 13:01:11 02/11/08 (0)
  - I Liken This To....... - Todd Krieger 12:49:33 02/11/08 (9)
    - RE: I Liken This To....... - tomservo 08:01:07 02/12/08 (7)
      - "It is the best choice." You got data for that? Evidence? Studies? Or... - clarkjohnsen 14:02:20 02/12/08 (6)
        
        RE: "It is the best choice." You got data for that? Evidence? Studies? Or... - tomservo 15:08:38 02/12/08 (5)
        
        Here's a spec: 36-24-36. You know she must be a good woman! But still... - clarkjohnsen 14:39:52 02/13/08 (3)
        
        RE: Here's a spec: 36-24-36. You know she must be a good woman! But still... - tomservo 16:25:14 02/13/08 (2)
        
        "Amplifiers don't... 'create' anything." That's good to know. - clarkjohnsen 14:25:58 02/14/08 (0)
        
        RE: Here's a spec: 36-24-36. You know she must be a good woman! But still... - morricab 04:03:02 02/14/08 (0)
        
        RE: "It is the best choice." You got data for that? Evidence? Studies? Or... - Analog Scott 20:16:31 02/12/08 (0)
    - Now that's a point! nt - clarkjohnsen 13:48:17 02/11/08 (0)
- And yet still revered like a rock star. - Ugly 22:13:41 02/10/08 (15)
  - Revered By Who, You? - thetubeguy1954 05:24:39 02/11/08 (14)
    - Apparently AES attendees. I've never heard of the guy 'til now. - Ugly 18:40:56 02/11/08 (8)
      - RE: Apparently AES attendees. I've never heard of the guy 'til now. - AJinFLA 17:49:33 02/12/08 (2)
        
        RE: Apparently AES attendees. I've never heard of the guy 'til now. - Ugly 19:47:18 02/12/08 (1)
        
        I stand corrected - AJinFLA 17:31:55 02/13/08 (0)
      - Your biases are right so they are not an issue? - Analog Scott 20:00:33 02/11/08 (4)
        
        RE: Your biases are right so they are not an issue? - Ugly 20:20:42 02/11/08 (3)
        
        RE: Your biases are right so they are not an issue? - Analog Scott 05:23:07 02/12/08 (2)
        
        Yep, it sounds like you got it right. No explanation necessary. n/t - Ugly 07:58:04 02/12/08 (1)
        
        If I got it right then your first answer was, how shall I put it? - Analog Scott 15:14:26 02/12/08 (0)
    - Funny, isn't it, how LFOs always weasel out? nt - clarkjohnsen 13:46:35 02/11/08 (1)
      - Are you high? BTW nice argument Mr one line smart ass. n/t - Ugly 18:42:07 02/11/08 (0)
    - RE: An amplifier is part of a chain - theaudiohobby 11:05:32 02/11/08 (2)
      - I've tried to explain this to him . . . - Pat D 06:18:03 02/15/08 (1)
        
        RE: Maybe . . . - theaudiohobby 12:29:33 02/16/08 (0)
RE: Class D designer speaks - Dan Banquer 10:36:12 02/10/08 (10)
- RE: Class D designer speaks - AJinFLA 17:12:41 02/12/08 (0)
- What's The Point In Even Advocating These Products??? - Todd Krieger 12:01:09 02/11/08 (8)
  - RE: What's The Point In Even Advocating These Products??? - jimmycj 16:38:10 02/11/08 (7)
    - RE: What's The Point In Even Advocating These Products??? - Todd Krieger 20:11:18 02/11/08 (6)
      - Thank the FCC for it's lax to non existent rules and enforcement. nt - Dan Banquer 04:20:23 02/12/08 (5)
        
        These Were Power Amplifiers...... - Todd Krieger 08:24:51 02/12/08 (4)
        
        RE: These Were Power Amplifiers...... - rick_m 12:39:45 02/12/08 (2)
        
        RE: These Were Power Amplifiers...... - Todd Krieger 22:18:54 02/12/08 (1)
        
        RE: These Were Power Amplifiers...... - rick_m 05:02:21 02/13/08 (0)
        
        I don't think there is any reason to respond further at this point. nt - Dan Banquer 09:41:25 02/12/08 (0)

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