Purchasing Advise - QSC PL6.0 |
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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This makes it all still tempting... Edited by levyte357- - 01 September 2020 at 3:06pm |
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Global Depopulation - Alive and Killing.
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Earplug
Old Croc Joined: 03 January 2012 Location: Europe Status: Offline Points: 7199 |
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Ok, I´m not familiar with these amps, but by the weight I presume that they have "linear PSU´s" and "standard" Class H outputs (?). |
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Earplugs Are For Wimps!
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APW
Young Croc Joined: 13 November 2012 Location: Kent, UK Status: Offline Points: 1173 |
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Nope… big ass switching PSU... You are correct about the outputs, 4 step class H!! TBH, 27Kgs is fairly good for a 20 year old amp design that can deliver 6 or 9KW (depending on model). |
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4AC
Young Croc Joined: 18 September 2010 Location: Netherlands Status: Offline Points: 521 |
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PL6.0 II is the one you want... I would avoid the predecessor due to already mentioned reliability reasons.
My brother has one for sale, if anyone is interested. Located in The Netherlands.
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uǝɿɿɐʌǝ6ɯo sı ʇsʞǝʇ ǝzǝp
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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is it 220-240V? Please PM asking price/email address, city. |
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Global Depopulation - Alive and Killing.
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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My deal I was expecting for one of these fell through, so I am looking for PL6.0 II pfc.
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Global Depopulation - Alive and Killing.
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4AC
Young Croc Joined: 18 September 2010 Location: Netherlands Status: Offline Points: 521 |
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I sent you a PM. |
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uǝɿɿɐʌǝ6ɯo sı ʇsʞǝʇ ǝzǝp
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levyte357-
Old Croc Joined: 27 July 2012 Location: UK, South East Status: Offline Points: 8128 |
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Thanks. |
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Global Depopulation - Alive and Killing.
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Boxes-R-Blue
Registered User Joined: 11 December 2018 Status: Offline Points: 147 |
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To the best of my knowledge most the PL series blow-ups were in US (what prick runs a real 6KW amp off 120V???????) or idiots running them of 50m of 4mm mains cable, as long as you have stiff mains supply (0.8KA or better PSC at the amp) you are fine.
I wouldn't consider a 120V variant as the PSU is under twice the strain (240V halves the current) and a 120V 10KVA transformer will weigh 70KG and cost more than the amp. Also forget using a "building site" transformer, they only 110V (which is this instance is a HUGE issue) and the earth in in the wrong place! |
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Kinda Been there, Kinda done that, YOU COULDN'T handle my bar bill!
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Elliot Thompson
Old Croc Joined: 02 April 2004 Location: United States Status: Offline Points: 5172 |
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QSC discontinued the Powerlight 9.0 due to failure rates caused by the Power Factor Correction. There was never an issue with the Powerlight 6.0. However, to keep things on the safe side, QSC discontinued the PL 6.0 and, introduced the PL 6.0 II excluding the Power Factor Correction.
To attain 6000 watts is fairly easy on 120 volts. The Powerlight 6.0 and 9.0 was aimed for the touring/commercial market. It was never aimed for the little guy who relies on residential circuits which offers a maximum of 20 amperes. You can attain 50 amp single-pole breakers in the United States. In the 1990's, if you could afford a Powerlight 6.0/9.0 you can afford to invest in the proper means of feeding the amplifier with sufficient means of current.
In the United States, QSC had a reputation of consuming the least amount of current when compared to Crown amplifiers. Crown amplifiers dominated the US touring market in the 1990's.
Best Regards,
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Elliot Thompson
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Boxes-R-Blue
Registered User Joined: 11 December 2018 Status: Offline Points: 147 |
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Prob because Amcron's PSU could never achieve the same duty cycle as QSC, the PL 9.0 racked up 1000s of miles with Claire amongst others, but bear in mind these like like 120mm feeder to their rigs!
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Kinda Been there, Kinda done that, YOU COULDN'T handle my bar bill!
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Elliot Thompson
Old Croc Joined: 02 April 2004 Location: United States Status: Offline Points: 5172 |
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Amcron/Crown in those days had a very low tolerance for low voltage. If the voltage was too low, they would cycle into standby. This is why, those who own racks of Crown amplifiers were always critical on having enough current on demand. Even the old Macro-tech 2400 would pop a 20 A breaker given the chance in the States.
In the case of the PL 9.0, it offered the largest amount of wattage at the time so, it made logical sense to own them. However, once QSC stated the issues they were having with the Power Factor Correction, they were limited on parts and, you were on your own when they run out of parts, many companies began selling off their PL 9.0s. It was smart on QSC's behave to tell their loyal customers beforehand than, falling to the same fate as Crest.
The average American Regional Sound Company in those times would rather send their amplifiers back to the company in which, it was designed if/when it is malfunctioning than, the community repair-tech.
Best Regards, Edited by Elliot Thompson - 18 October 2020 at 7:12pm |
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Elliot Thompson
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