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Anthony Gallo subwoofer

Discussion in 'Subwoofers' started by Truffles, Mar 18, 2003.

  1. Truffles

    Truffles
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    On the Anthony Gallo MPS-150 subwoofer the electronics model has to be connected to the sub via a phone jack lead. However, there appears to be two (unmarked) phono ins on the sub. Which one does the connector go in or doesn't it matter?
     
  2. perrdl

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    I don't think it matters.

    I have mine plugged into the top left hand side one, as you look at it from the rear.
     
  3. jont

    jont
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    AFAIK it doesn't matter ... mine's in the top one ... the 'other' one is for slaving a second sub off the first ... driven by the amp ...

    Although what sort of room and neighbours would you need (apart from large and none) to be able to use a second sub ?? !!

    Jon
     
  4. James45

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    yeh he means the second jack on the woofer module. and don't knock it, a second woofer module (at a mere £225) is on my upgrade list and I have a tiny room!:devil:
     
  5. Dazed

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    Love my MPS150 - well it's the only sub I've ever owned so I should like it. But how will the amplification handle driving two woofers? I know it's designed to do so but compared to many SW's the amplification at 150w is relatively lightweight.
     
  6. James45

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    remember many sub manufacturers figures are off in la la land, the Gallo 150w is apparently just that, 150w, which may well be more than some other manufacturers' sub advertised at 300w (many sub makers advertise their peak output ratings rather than their average).

    But I would also be interested in hearing how adding another woofer effects the output of the amplifier module. Maybe Eric could ask the Gallo boys for us.
     
  7. Matt Horne

    Matt Horne
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    The slave module is also my my to get list :)

    Whilst gallo owners are here.. couple of questions :

    How warm does your amp module get when you are running it hard ?)

    And has anyone noticed a buzzing noise in the amp when the power is connected, which also becomes a hum when the sub is turned on (you have to be near the sub to hear this ).. is this normal operation or could it be a problem with my mains.. (sub is plugged straight into a wall socket which I think is in line with the sockets running the rest of my equipment ?

    Any advice info would be great :)

    Love this little sub.. well worth the dosh :) - thinking about getting a round granite slab to sit on the top as well...

    Matt
     
  8. perrdl

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    I leave my sub on,

    I have never really noticed a hum coming from it, I will have a closer listen tonight though.

    The Amp module on my sub gets a bit warm to the touch after use. No great heat though.
     
  9. James45

    James45
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    amp temperature has never got above luke warm and its one of the quietest operating proper subs I have ever heard, a slight hum with your ear next to it but no more.
     
  10. Matt Horne

    Matt Horne
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    Ok. well if I am playing linkin park DVD-A or the haunting (or any bass heavy piece) then the amp gets very warm (like a warm radiator)...

    Also when its going some the amp seems to vibrate..(i.e the boom bouncing off the granite slab.. hence my thought of putting another slab on the top!

    I am also wondering whether a silencer or something would cure the buzzing as I am sure I did not have it when the sub was plugged into my mains filtered block ?

    Cheers

    Matt
     
  11. uncle eric

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    Guys,
    I use a full Gallo system in my living room and have not experimented with an extra bass module (2 woofers, 1 amp) just yet. As you've now made me curious, I'll pick up the phone and order one for tomorrow.
    I will then run an experiment for a few days and post my thoughts.
     
  12. perrdl

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    That would be GREAT :clap:
     
  13. Dazed

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    Matt

    I've only really thrashed my MPS150 a couple of times and it does get very hot - worryingly so. I turned it down :(

    Yup I've noticed a hum - following some advice on here I disconnected all connections and moved it away from any power leads - easier said than done in my gaff. Voila no hum. Just move it as far away as possible from any sources of RFI
     
  14. perrdl

    perrdl
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    I seem to get this aswell, when doing a crossover sweep, like the one featured on Monsters Inc, it is quite noticeable.

    I have tried taking the Amp module off the sub, and the vibration seems to be coming from the sub itself. So I'm not sure that another granite slab on top would help.

    I would be interested if anybody can find a cure for this.
     
  15. Matt Horne

    Matt Horne
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    Well I thought the added weight would stop the vibration.. as I have tested by leaning on it with my weight :)

    I will probably do this at some point...

    Would love to hear about the second module.. best thing is you could buy a real long cable and hide the sub in a corner (without worrying abour power cables etc )

    Matt
     
  16. James45

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    Great stuff Eric!:clap: Can't wait to hear what it's like.

    Matt, in the case of vibrations yes I would say another slab on top would certainly help, can't say I've ever noticed this even on the Avia subwoofer sweep that I thought was going to bring the house down at 45Hz!!:eek: :eek: Amazing.

    But what output level do you have the sub set to to produce those temperatures?!?!

    with careful positioning of the second sub module to the rear, it will also flesh out the rear speakers as well, bass freqs maybe non directional but they aren't that non-directional!:D
     
  17. perrdl

    perrdl
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    Too right.

    The biggest difference in sound that I have made so far was when I moved my Gallo sub near the front speakers, where as before it was placed to the side of the listening position.

    A massive improvement in sound.
     
  18. Matt Horne

    Matt Horne
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    erm on the volume dial.. its at 9 oclock/ 10 oclock at most.

    But the amp is running (Onkyo 898) at about -15/-10

    Matt
     
  19. James45

    James45
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    yep I recently had a shift round and moved the sub slightly further away from the fronts than before and it doesn't sound quite right now... further adjustments needed... at least its all set for the rears to go up on the walls on Thursday!:clap: :smashin:
     
  20. Dazed

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    I've never suffered the vibrations either.

    My sub is connected at line level to my Gallo NM's - as I'm still waiting for an AV receiver (order pending for Pioneer 2011) the source material was Rammstein - pretty bass heavy, the level on my sub was between 9 and 10 o'clock - probably nearer 10
     
  21. Matt Horne

    Matt Horne
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    My sub is down near the rears.. as up next to the front speakers (in a bay ) it sounded a bit lost !

    Matt
     
  22. James45

    James45
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    get two then!:D That's pretty much the same level I have mine at, I'll run some bass heavy music and see if it heats up a bit. Might have to stick Das Boot DTS on again as well!:devil: :devil:
     
  23. Matt Horne

    Matt Horne
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    Thats on the 2 buy list as well.. though haunting made me jump (even though the film is crude)

    Matt
     
  24. James45

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    yea it's weird didn't like the film but the soundtrack scared me!:smoke:
     
  25. groundy

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    I don't get any vibration from the Amp Module - even when being run hard. Level is set at 9 o' clock max. My sub is placed directly beside the Front Left Micro. It only ever gets slightly warm and I have it on for about 16 hours a day with standard TV material playing through it. The top of my Denon 3802 on the other hand - gets pretty hot, even with plenty of air around it.

    I also get no buzz but I use an RA Power Cable on it, connected to an RA Extension, with an RA Silencer in the adjacent socket. The MPS-150 is the most silent Sub I've heard when not in operation and I can only make out a faint hum if I put my ear right up to the module. All cables and power cords are very neatly organised. I'm not looking forward to pulling them all out this weekend when a guy comes to fix my Loewe :mad:.
     
  26. James45

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    I've done unplugged everything three times this week so you have my sympathies groundy!:D
     
  27. Matt Horne

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    Oh the loewe is broke ??

    I am using a homebrew mains cable (lorad/MK/Wattgate) and I do think I need a silencer ... I agree it is quiet and I need to put my head quite close.. but you can hear it when everything else is off.. i.e you know when its on.. I would try plugging it back in to the Olson powerblock... but can't be asked to move it all....Maybe I'll just buy another :)

    Matt
     
  28. groundy

    groundy
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    Nothing major Matt - just a minor processing bug which causes the picture to shift down slightly on NTSC material. It's been there since I got it but it took the the expertise of Loewe in Germany to come up with an IC fix. 10 points for customer service :)

    Those Olson's are very nice indeed. I have my doubts about the RA Silencer. I'm near sure there's nothing in it :D but it's a sealed enclosure so cannot take it apart - perhaps that's the whole point ;).
     
  29. Nic Rhodes

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    I'm glad some one else bit on the dual Gallo sub bit! Been waiting for this one for almost 9 months for someone to bite:D
     
  30. vee_cee

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    Just the sort of question i asked at the end of my post from earlier this year ...edited in italics....here

    Also in the same price bracket as the dual mps150 setup (£700ish) is the........velodyne spl 800 from UE (£775).

    which would you guys go for????

    VC
     

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