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Thread: Sonab OA-4 omnidirectional speakers

  1. #1
    Join Date: Aug 2009

    Location: Belfast, NI

    Posts: 147
    I'm David.

    Default Sonab OA-4 omnidirectional speakers

    I was familiar with the concept of how Sonab speakers differed from conventional speakers, but was very keen to try this out for myself - I was genuinely impressed with the results. Being omnidirectional, they interact with the room, projecting sound using room boundaries to project a realistic soundstage. They are also incredibly detailed, possessing great presence, pace and a natural tone. Although a very compact design, the bass is impressive as well.

    Each speaker features an Alnico Philips 9710 full range driver (alone worth more than the asking price here) and three Peerless cone tweeters. The cabinets are real Teak veneer and they are completely original.

    These speakers rarely come up for sale - for good reason - and work very well in modern interiors. They were very expensive when new. I am looking circa £160 for them and reckon they will only appeal to folk local to me.

    Please feel free to ask any questions and I will try to answer.
    Attached Images Attached Images
    Source 1: Lenco GL75, Kuzma Reference; Source 2: Geoff Bull-modified TDA1541A S2 Marantz CD94/CD85; Source 3: Leak Troughline 3; Source 4: Nakamichi DR1. Preamplifier: Croft Epoch; Phono stage: Rotel Michi, AI SUT; Power amps: Leak TL12 plus/ Leak ST60 both Classique Sounds rebuildss; Integrated solid state amplification: Primare I30; Speakers: Sonab OA4/ B&W DM3/ ESL57.

  2. #2
    Join Date: Aug 2009

    Location: Belfast, NI

    Posts: 147
    I'm David.

    Default

    Just to add, if someone was interested in the Philips 9710 drivers alone, I might be prepared to split. Please pm me to discuss.
    Source 1: Lenco GL75, Kuzma Reference; Source 2: Geoff Bull-modified TDA1541A S2 Marantz CD94/CD85; Source 3: Leak Troughline 3; Source 4: Nakamichi DR1. Preamplifier: Croft Epoch; Phono stage: Rotel Michi, AI SUT; Power amps: Leak TL12 plus/ Leak ST60 both Classique Sounds rebuildss; Integrated solid state amplification: Primare I30; Speakers: Sonab OA4/ B&W DM3/ ESL57.

  3. #3
    Join Date: Nov 2013

    Location: Yorkshire

    Posts: 4,235
    I'm Andr'e.

    Default

    If they were OA12's or OA14's id have been intres'turd

  4. #4
    Join Date: Aug 2009

    Location: Belfast, NI

    Posts: 147
    I'm David.

    Default

    Quote Originally Posted by The Barbarian View Post
    If they were OA12's or OA14's id have been intres'turd
    Sadly not - but I think I spotted OA14s in a large sales thread over on the 'Wam by a guy selling his late father's collection.

    Offers invited on the OA4s / Philips 9710s.
    Source 1: Lenco GL75, Kuzma Reference; Source 2: Geoff Bull-modified TDA1541A S2 Marantz CD94/CD85; Source 3: Leak Troughline 3; Source 4: Nakamichi DR1. Preamplifier: Croft Epoch; Phono stage: Rotel Michi, AI SUT; Power amps: Leak TL12 plus/ Leak ST60 both Classique Sounds rebuildss; Integrated solid state amplification: Primare I30; Speakers: Sonab OA4/ B&W DM3/ ESL57.

  5. #5
    Join Date: Oct 2010

    Location: Lancashire

    Posts: 228
    I'm Alf.

    Default

    Hi David,
    If drivers in nice condition I will take these please

    A

  6. #6
    Join Date: Aug 2009

    Location: Belfast, NI

    Posts: 147
    I'm David.

    Default

    Hi Alf,
    They're yours - pm sent.
    Source 1: Lenco GL75, Kuzma Reference; Source 2: Geoff Bull-modified TDA1541A S2 Marantz CD94/CD85; Source 3: Leak Troughline 3; Source 4: Nakamichi DR1. Preamplifier: Croft Epoch; Phono stage: Rotel Michi, AI SUT; Power amps: Leak TL12 plus/ Leak ST60 both Classique Sounds rebuildss; Integrated solid state amplification: Primare I30; Speakers: Sonab OA4/ B&W DM3/ ESL57.

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