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Forum: Ask the designer a technical question ...

Rational discussion of the Harbeth approach to sound

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  1. Amplifiers and Harbeths - a summary of facts

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  2. Do speakers have sonic personalities?

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  3. Audio, science and rationalism - thoughts

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    1. How humans hear - essential reading for hifi buyers

      The basics of how we detect and interpret sound according to frequency and loudness

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    2. Psychoacoustics simplified?

      Rational discussion about the perception of sound

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    3. Advanced discussion forum - by invitation

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      03-04-2013 06:54 PM Go to last post

  1. Sticky Thread Sticky: How much power do I need? (How big or small an amp?)

    Started by A.S., 08-04-2006 09:15 AM
    2 Pages •
    1 2
    14 Attachment(s)
    • Replies: 36
    • Views: 14,964
    A.S.
    08-03-2013, 11:33 AM Go to last post

  2. Sticky Thread Sticky: Technical questions to Harbeth's designer

    Started by Ted Rook, 07-02-2006 03:55 AM
    6 Pages •
    1 2 3 4 5 6
    3 Attachment(s)
    • Replies: 102
    • Views: 57,986
    tto123
    18-06-2011, 06:38 PM Go to last post

  3. Sticky Thread Sticky: Strange noises in the bluebell woods! (M40 testing outdoors)

    Started by A.S., 25-04-2007 10:51 PM
    4 Attachment(s)
    • Replies: 1
    • Views: 8,239
    A.S.
    02-05-2007, 05:46 PM Go to last post

  1. Maximum/average volume for durable listening with P3ESR?

    Started by tcb1935, 30-03-2013 07:43 PM
    • Replies: 3
    • Views: 629
    TimVG
    04-04-2013, 09:39 AM Go to last post

  2. What's it like to be working at the BBC anechoic chamber?

    Started by HUG-1, 13-03-2013 03:49 PM
    4 Attachment(s)
    • Replies: 18
    • Views: 1,814
    Miles MG
    25-03-2013, 07:12 AM Go to last post

  3. Placement bass port and drivers; cable considerations?

    Started by hendrik, 03-03-2013 06:47 PM
    • Replies: 0
    • Views: 711
    hendrik
    03-03-2013, 06:47 PM Go to last post

  4. A DIY audio amplifier design

    Started by HUG-1, 05-04-2012 08:53 AM
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 31
    • Views: 10,158
    BAS-H
    27-02-2013, 04:01 PM Go to last post

  5. Professional speaker connections - and consumerism gone mad?

    Started by EricW, 16-03-2011 07:44 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 6,788
    Pharos
    25-02-2013, 12:10 AM Go to last post

  6. Trends in speaker design. What to listen out for?

    Started by HUG-1, 03-03-2012 08:27 PM
    4 Pages •
    1 2 3 4
    17 Attachment(s)
    • Replies: 76
    • Views: 13,565
    witwald
    10-02-2013, 04:08 AM Go to last post

  7. The 'should-I, shouldn't-I' of using a subwoofer or not....

    Started by Zoroastar, 17-12-2012 09:23 PM
    1 Attachment(s)
    • Replies: 7
    • Views: 2,091
    Zoroastar
    08-02-2013, 06:11 AM Go to last post

  8. "Damping factor" - another great audiophile myth?

    Started by A.S., 30-01-2013 11:06 PM
    2 Attachment(s)
    • Replies: 19
    • Views: 1,788
    DSRANCE
    03-02-2013, 09:12 PM Go to last post

  9. Passive v. active - why or why not?

    Started by fred40, 13-07-2011 10:43 AM
    3 Attachment(s)
    • Replies: 15
    • Views: 12,944
    Pluto
    03-02-2013, 11:40 AM Go to last post

  10. How do you determine the impedance of a speaker system?

    Started by denjo, 10-01-2012 04:17 PM
    • Replies: 3
    • Views: 3,932
    witwald
    03-02-2013, 04:50 AM Go to last post

  11. Phase Coherence - A Desirable Attribute In A Loudspeaker?

    Started by colhd, 12-08-2008 01:13 PM
    2 Attachment(s)
    • Replies: 13
    • Views: 8,962
    A.S.
    02-02-2013, 12:30 PM Go to last post

  12. 6dB, 12dB, 18dB or 24dB crossover filters - surely the gentle 6dB (per octave) is the best?

    Started by A.S., 17-12-2012 10:09 AM
    • Replies: 5
    • Views: 2,453
    witwald
    01-02-2013, 10:40 AM Go to last post

  13. "New B.B.C. Monitoring Loudspeaker" (Harwood, 1968, Wireless World magazine)

    Started by witwald, 31-01-2013 04:07 AM
    bbc, harwood, monitor loudspeaker 1 Attachment(s)
    • Replies: 0
    • Views: 1,183
    witwald
    31-01-2013, 04:07 AM Go to last post

  14. WirelessWorld - Harwood article

    Started by Roy Lewis, 06-11-2012 12:31 PM
    2 Attachment(s)
    • Replies: 8
    • Views: 2,783
    A.S.
    26-01-2013, 10:06 AM Go to last post

  15. Refurbish capacitors inside speaker crossovers?

    Started by fred40, 13-07-2011 10:43 AM
    3 Pages •
    1 2 3
    29 Attachment(s)
    • Replies: 52
    • Views: 15,753
    A.S.
    16-01-2013, 02:51 PM Go to last post

  16. Internal bracing on M30 & M30.1

    Started by Gan CK, 24-12-2012 01:53 PM
    • Replies: 1
    • Views: 1,828
    A.S.
    30-12-2012, 11:31 AM Go to last post

  17. Can speakers be protected from amplifier damage? How do amps work?

    Started by broadsword, 03-12-2012 05:14 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 27
    • Views: 4,204
    mhennessy
    22-12-2012, 12:42 PM Go to last post

  18. SHL-5 supertweeters: damage and effect

    Started by timleety, 06-12-2012 04:03 AM
    • Replies: 12
    • Views: 2,375
    A.S.
    21-12-2012, 10:46 AM Go to last post

  19. How do you decide on the final design of a cross-over?

    Started by davidlovel, 07-10-2012 03:30 PM
    • Replies: 7
    • Views: 2,908
    A.S.
    09-10-2012, 05:45 PM Go to last post

  20. Mounting SHL5 on their side for studio use.

    Started by bluegrass, 23-09-2012 06:47 PM
    • Replies: 2
    • Views: 2,848
    bluegrass
    24-09-2012, 07:26 PM Go to last post

  21. Hard or soft dome tweeter, how does Mr. Shaw decide?

    Started by asaph, 07-06-2012 11:21 PM
    1 Attachment(s)
    • Replies: 6
    • Views: 4,615
    cornelius
    11-06-2012, 03:35 AM Go to last post

  22. Leaving amplifier on and effect on speakers

    Started by fred40, 22-05-2012 11:24 AM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 34
    • Views: 8,230
    jair44
    25-05-2012, 11:18 PM Go to last post

  23. Speaker cloth replacement

    Started by BigCat, 22-04-2012 03:43 PM
    cloth, gril, l fabric
    • Replies: 0
    • Views: 3,447
    BigCat
    22-04-2012, 03:43 PM Go to last post

  24. Speaker stands for SHL5s

    Started by shore, 19-10-2009 12:55 AM
    • Replies: 12
    • Views: 7,966
    Spindrift
    21-02-2012, 10:46 AM Go to last post

  25. Why does Soundstage Depth and Width Change with Toe-in?

    Started by jaybar, 10-02-2008 10:10 AM
    • Replies: 13
    • Views: 11,315
    STHLS5
    24-01-2012, 07:07 AM Go to last post

  26. How to safely remove the grilles

    Started by shseto, 20-05-2008 04:52 PM
    2 Pages •
    1 2
    9 Attachment(s)
    • Replies: 34
    • Views: 19,174
    hifi_dave
    23-01-2012, 10:45 AM Go to last post

  27. The real sound of some tweeters! Nature's way of demanding attention ...

    Started by A.S., 02-01-2012 09:32 PM
    • Replies: 3
    • Views: 4,372
    kittykat
    06-01-2012, 08:18 AM Go to last post

  28. Yet another subwoofer integration question

    Started by kevint, 29-05-2009 01:37 AM
    1 Attachment(s)
    • Replies: 10
    • Views: 6,204
    Paul G Smith
    09-12-2011, 10:10 PM Go to last post

  29. Home-made videos from the designer ....

    Started by A.S., 24-10-2011 06:49 PM
    2 Pages •
    1 2
    • Replies: 23
    • Views: 6,770
    Sebastien
    19-11-2011, 01:36 AM Go to last post

  30. DIN vs RCA connectors - technical advantage?

    Started by Zemlya, 21-10-2011 09:02 PM
    • Replies: 17
    • Views: 6,494
    A.S.
    24-10-2011, 12:02 PM Go to last post

  31. Harbeth Cone Excursion - a theory?

    Started by Diminish, 03-10-2011 09:23 PM
    • Replies: 4
    • Views: 4,246
    A.S.
    05-10-2011, 08:19 AM Go to last post

  32. What setup (source and amplification) for testing speaker design

    Started by engjoo, 26-08-2011 04:07 AM
    amplifier, crossover, source
    • Replies: 2
    • Views: 3,980
    engjoo
    07-09-2011, 12:01 PM Go to last post

  33. Question on original 90s Harbeth HL-P3 mid/bass driver

    Started by ttl100, 28-08-2011 11:47 AM
    3 Attachment(s)
    • Replies: 1
    • Views: 3,896
    ttl100
    30-08-2011, 07:28 AM Go to last post

  34. Replacing the super tweeter on a Super HL5

    Started by valvefan, 10-05-2011 04:04 PM
    pozidrive, repair, super hl5, super tweeter
    • Replies: 6
    • Views: 4,212
    HUG-1
    20-08-2011, 12:34 PM Go to last post

  35. Low wattage tube amplifier combined with high sensitivity speakers

    Started by Sebastien, 22-06-2011 05:44 PM
    • Replies: 9
    • Views: 5,662
    jplaurel
    28-06-2011, 01:29 AM Go to last post

  36. Amplifier harmonics and load stability

    Started by A.S., 29-05-2011 10:21 PM
    3 Pages •
    1 2 3
    6 Attachment(s)
    • Replies: 52
    • Views: 11,188
    Labarum
    19-06-2011, 09:37 AM Go to last post

  37. Break-in time for P3ESR?

    Started by singslingr, 22-10-2010 04:11 PM
    • Replies: 6
    • Views: 3,744
    Kumar Kane
    16-06-2011, 04:20 AM Go to last post

  38. Need help: is my compact 7ES broken ?

    Started by maple-k330, 27-05-2011 01:48 PM
    2 Attachment(s)
    • Replies: 10
    • Views: 3,218
    Sebastien
    04-06-2011, 02:31 AM Go to last post

  39. From the scrapbook - notes on the progress of a new speaker design

    Started by A.S., 02-06-2011 10:57 AM
    1 Attachment(s)
    • Replies: 0
    • Views: 3,638
    A.S.
    02-06-2011, 10:57 AM Go to last post

  40. Audio shockwaves from brass instruments - and Harbeth's RADIAL cone material

    Started by A.S., 30-05-2011 10:10 AM
    2 Attachment(s)
    • Replies: 4
    • Views: 2,779
    KT88
    31-05-2011, 10:17 PM Go to last post

  41. Message board : subjects for discussion

    Started by A.S., 02-03-2011 11:41 AM
    2 Pages •
    1 2
    • Replies: 21
    • Views: 6,298
    A.S.
    29-05-2011, 02:43 PM Go to last post

  42. Which Harbeth in a 30 sqm room?

    Started by dgolh, 16-05-2011 08:55 PM
    • Replies: 7
    • Views: 2,879
    KT88
    18-05-2011, 02:17 PM Go to last post

  43. Dented Super-Tweeter

    Started by valvefan, 02-05-2011 04:37 AM
    • Replies: 2
    • Views: 3,252
    valvefan
    02-05-2011, 08:45 PM Go to last post

  44. Clipping

    Started by fred40, 23-04-2011 07:11 PM
    • Replies: 3
    • Views: 2,110
    hifi_dave
    27-04-2011, 03:01 PM Go to last post

  45. Phase invertion

    Started by polaris, 22-06-2008 11:21 PM
    3 Pages •
    1 2 3
    7 Attachment(s)
    • Replies: 40
    • Views: 12,613
    micron
    13-04-2011, 08:50 PM Go to last post

  46. Loudspeaker listening - what I hear

    Started by STHLS5, 09-04-2011 01:16 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 28
    • Views: 4,289
    A.S.
    13-04-2011, 03:11 PM Go to last post

  47. Harbeth vs. 'accepted wisdom'

    Started by jair44, 21-05-2008 05:29 PM
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 27
    • Views: 13,923
    macroaudio
    13-04-2011, 05:41 AM Go to last post

  48. Later recordings and private recordings from the 80s

    Started by A.S., 23-10-2010 08:55 PM
    1 Attachment(s)
    • Replies: 2
    • Views: 4,413
    A.S.
    22-03-2011, 08:00 PM Go to last post

  49. Xpression! Dpm1 repair?

    Started by dazza, 16-03-2011 06:53 PM
    • Replies: 0
    • Views: 1,159
    dazza
    16-03-2011, 06:53 PM Go to last post

  50. Low frequencies - omni-directional? - true or not?

    Started by STHLS5, 25-01-2011 08:18 AM
    1 Attachment(s)
    • Replies: 15
    • Views: 3,268
    honmanm
    29-01-2011, 09:29 AM Go to last post

  51. HL5 lover needs to downsize -- C7ES-3 vs M30???

    Started by Noel Grey, 19-04-2010 07:24 PM
    3 Pages •
    1 2 3
    • Replies: 42
    • Views: 8,523
    KT88
    24-01-2011, 02:09 PM Go to last post

  52. Active Domestic Speakers

    Started by Labarum, 21-02-2010 11:51 AM
    3 Pages •
    1 2 3
    • Replies: 56
    • Views: 9,704
    audisp
    17-01-2011, 09:45 AM Go to last post

  53. Dolby's Digital Stereo Creator and my digital camera's output ...

    Started by STHLS5, 29-11-2010 05:01 AM
    dolby
    • Replies: 0
    • Views: 1,095
    STHLS5
    29-11-2010, 05:01 AM Go to last post

  54. Where does Harbeth take its product development from here?

    Started by EricW, 12-08-2010 06:26 PM
    2 Pages •
    1 2
    1 Attachment(s)
    • Replies: 33
    • Views: 3,869
    Labarum
    07-11-2010, 12:38 PM Go to last post

  55. Naim "Plop" - serious problem for speakers or not

    Started by ernesto, 30-10-2010 02:46 PM
    • Replies: 6
    • Views: 2,060
    ernesto
    06-11-2010, 08:54 AM Go to last post

  56. What coupling (if any) do i use in between my SHL5's and Sound Anchor stand? Blu Dots are awful!

    Started by Noel Grey, 12-07-2010 08:50 PM
    • Replies: 9
    • Views: 2,252
    singslingr
    31-10-2010, 01:32 PM Go to last post

  57. Harbeth Compact 7 circa 1997 Radial Midrange Driver?

    Started by stevensctt, 23-10-2010 04:25 AM
    • Replies: 4
    • Views: 1,424
    A.S.
    25-10-2010, 09:11 PM Go to last post

  58. My formative experiences with high fidelity sound

    Started by A.S., 23-10-2010 07:46 PM
    5 Attachment(s)
    • Replies: 0
    • Views: 3,921
    A.S.
    23-10-2010, 07:46 PM Go to last post

  59. Are the M40.1 xxxxL and M40.1 xxxxR identical or symmetrical ?

    Started by Dragan, 17-10-2010 03:17 PM
    • Replies: 0
    • Views: 856
    Dragan
    17-10-2010, 03:17 PM Go to last post

  60. Sub Woofers

    Started by Labarum, 16-07-2010 09:53 AM
    • Replies: 3
    • Views: 1,109
    Labarum
    16-10-2010, 04:19 PM Go to last post

  61. Celestion HF1300 tweeters ....part of BBC monitor history

    Started by 1948series, 04-09-2010 11:43 AM
    'bbchistory'
    • Replies: 5
    • Views: 2,588
    1948series
    08-09-2010, 09:17 PM Go to last post

  62. Woofer driver positioning on baffle - in front or behind baffle?

    Started by mattism, 12-08-2010 09:24 AM
    1 Attachment(s)
    • Replies: 18
    • Views: 2,948
    weaver
    05-09-2010, 07:11 AM Go to last post

  63. A peculiar case of bi-wiring

    Started by Astroalex, 12-08-2010 08:47 AM
    bi-wiring 1 Attachment(s)
    • Replies: 0
    • Views: 796
    Astroalex
    12-08-2010, 08:47 AM Go to last post

  64. mid bass driver repair

    Started by str8fast, 29-04-2010 04:42 AM
    • Replies: 4
    • Views: 1,649
    miniwatt
    27-06-2010, 05:37 PM Go to last post

  65. Slight hum like sound

    Started by STHLS5, 22-04-2010 04:24 AM
    hum
    • Replies: 18
    • Views: 4,522
    Jmohd
    22-06-2010, 01:46 PM Go to last post

  66. Are there voices that are more difficult for a speaker to render faithfully?

    Started by weaver, 07-06-2010 11:51 AM
    • Replies: 14
    • Views: 1,983
    weaver
    18-06-2010, 10:50 AM Go to last post

  67. Internal Rewire SHL5

    Started by carlo, 11-06-2010 11:37 AM
    • Replies: 6
    • Views: 1,343
    yeecn
    11-06-2010, 04:09 PM Go to last post

  68. Biwire terminals and sound differences?

    Started by Greg, 04-07-2007 05:28 AM
    5 Pages •
    1 2 3 4 5
    3 Attachment(s)
    • Replies: 92
    • Views: 27,451
    hifi_dave
    29-05-2010, 08:25 PM Go to last post

  69. Super HL5 Super Tweeter

    Started by Teuton, 29-08-2009 05:25 AM
    • Replies: 12
    • Views: 3,937
    Sebastien
    27-05-2010, 04:00 AM Go to last post

  70. question about a speaker that fell off the stand

    Started by bullethead, 22-05-2010 07:02 PM
    • Replies: 3
    • Views: 1,131
    bullethead
    24-05-2010, 01:37 PM Go to last post
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