4 channel class D amplifier on sub bass duty? |
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Timebomb
Old Croc Joined: 11 October 2004 Location: Lancaster Status: Offline Points: 2716 |
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I think you need to try a Saturn 10 Alex, or the new higher power version ;)
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James Secker facebook.com/soundgearuk
James@soundgear.co.uk www.soundgear.co.uk |
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Elliot Thompson
Old Croc Joined: 02 April 2004 Location: United States Status: Offline Points: 5172 |
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Why not the 6004? 1500 watts per channel (4 Channels) @ 4 ohms That is twice the rating of the speakers (700 watts) which is far more headroom long-term than strapping a 2 ohm per channel amplifier into 2 ohms and living off of momentary burst ratings. Best Regards, Edited by Elliot Thompson - 10 July 2018 at 11:44am |
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Elliot Thompson
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Simpson_
Registered User Joined: 06 July 2018 Location: Manchester Status: Offline Points: 10 |
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Edited by Simpson_ - 10 July 2018 at 12:33pm |
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Simpson_
Registered User Joined: 06 July 2018 Location: Manchester Status: Offline Points: 10 |
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Struggling to find reviews on that amp but I've heard great things. What's your experiences like with all 4 channels running on sub/bass?
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U.Viktor
Young Croc Joined: 04 May 2010 Status: Offline Points: 716 |
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DO NOT use 4 ch amp all channels driven by sub or bass!
Currently there is almost no amp on the market which would perform good by this setup. Split the load between channels, one shall drive low, another mid then another high speakers. For the subs a strong dedicated good low-performance amplifier matched the needs of your transducers is mandatory. |
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king david
Young Croc Joined: 17 January 2007 Location: italy Status: Offline Points: 1324 |
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I've run 6004 on upper bass from 2011 to january, then moved to a 10000, and i noticed an improvement. 6004 was fine dont get me wrong
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http://www.warriorcharge.noblogs.org
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Elliot Thompson
Old Croc Joined: 02 April 2004 Location: United States Status: Offline Points: 5172 |
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Possibly your speakers are more powerful why you see an improvement? Bear in mind the speakers are 700 watts so, there will be 800 watts of available headroom at Simpson’s disposal. That is more than the majority of users out there that use Scoops and piggyback their amplifier down to 2 ohms per channel for each loudspeaker. Once you exceed the loudspeakers program rating (700 watts) times two and above (1500 watts) you have the speaker operating at optimum performance. This will give you the most volume from the loudspeaker without clipping the amplifier during the process. Best Regards, |
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Elliot Thompson
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bass*en*mass
Old Croc Joined: 03 September 2009 Location: "unknown" Status: Offline Points: 4009 |
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guess i am sorted now re. sub amps.. ;) I am not saying 4ch amps cant do bass 40ish hz up, pqm13/tsa 4-1300 etc. do bass 4ohm nominal without major issues, even on all 4ch but most will struggle delivering low notes at low impedances and rather heavy cones - high current - though , the saturn10 will likely be no exception as its basically similar design and layout as almost all 4ch chinese jobbies, lab based, no pun intended! Happy to A/B your Amps driving 8 Orbit3s vs pqm13s, k10s, k20s anytime mate - in my books almost all 4ch amp are mainly suited for mixed loads though, which makes sense to me.. |
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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Please say this again, some people here, really expect free lunch. You've got 4x 4 ohm drivers ? Drive 4x drivers with Crest CA18, Crown Macrotech MA5000VZ, or 1x driver per channel with 2x JBL MPX1200/QSC 4050HD. No cheap 4x channel Class D, will come near any of the above combinations.
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Global Depopulation - Alive and Killing.
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bass*en*mass
Old Croc Joined: 03 September 2009 Location: "unknown" Status: Offline Points: 4009 |
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no 4ohm driver business here, all are 8ohm nominal lev..
2 of our subs are about 6ohm in reality, 4 kicks are about 3ohm.. k20s do handle sub properly, pair of subs per ch, k10s do handle 4 kicks properly, per ch.. 4ch amps are suitable for small scale jobs or mid/hi mixed jobbies imho.. no free lunch there imho..
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re-production
Registered User Joined: 16 February 2017 Location: Suffolk UK Status: Offline Points: 176 |
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powersoft X8? Linea research 44m20..?
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nickyburnell
Old Croc Joined: 06 February 2005 Status: Offline Points: 4410 |
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Of course, but not cheap. People want to get away with 800 quid new stuff and expect 4 x 1500 at Powersoft and Linea ability. Nope. You want cheap like that buy two iNuke 6000 (or the new one when it arrives). Me, I bought two JBL MPX and 4 castors for less than 400 quid.
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It's everything, not everythink!
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