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bss epc 740/780

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nev23 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote nev23 Quote  Post ReplyReply Direct Link To This Post Topic: bss epc 740/780
    Posted: 14 April 2015 at 12:32pm
Originally posted by Dr T Dr T wrote:

I would say that getting 3000w bridged is a bad idea, as the power supplies are completely separate entities, and furthermore, the 4ohm/2 ohm switch function  reduces the power supply rails voltage (at 2 ohms) to prevent the whole thing cooking. Using the amps set to 4 ohm and bridged would be a bigger strain on the capacity of the output devices.  I am currently nurseing one of these beasts back to full health!


I thought there was only one PSU for the pair of amplifiers?
And in any case, separate PSUs don't preclude or favour bridge mode. It doesn't make any difference.

The PSU was probably the most interesting aspect of these amps. A series resonant design. Never seen another like it.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jacethebase Quote  Post ReplyReply Direct Link To This Post Posted: 14 October 2013 at 8:51pm
Originally posted by Dr T Dr T wrote:

Hi I've been following the discussions re. the BSS EPC780. Well, I've a semi-working one that i no longer need or want. It is up from grabs for the cost of postage if anyone really wants one.
Dr T


Where are you?

If it's till around I'm traveling up through the midlands tomorrow could collect?

Jace
www.wedding-production.co.uk

www.stage2sound.com
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SMP Quote  Post ReplyReply Direct Link To This Post Posted: 14 October 2013 at 4:11pm
Not sure 4D I will Enquire I do Know they mentioned using Res 2 not sure how they work it either add mine to stock and keep both or complete changeover

BTW someone at gig last night the other FOH was talking about BPM show and some new kit on show saw pics had bass horns with holes in braces but NOT FK1   know anything?


Edited by SMP - 14 October 2013 at 4:14pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 4D Quote  Post ReplyReply Direct Link To This Post Posted: 14 October 2013 at 9:29am
Apologies beating you to the post   Are they selling their Fk1, always on the lookout
DMZ. "The bass was intense. Girls were literally running up to stand next to the subs"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SMP Quote  Post ReplyReply Direct Link To This Post Posted: 14 October 2013 at 12:54am
would have been nice, to add to my, "Museum" of such things.  But seems, got beat, to the post. still, been a good weekend all the same. One convert it seems from Function One to my kit. and Another who just wants some.and a convert from A.S.S. So You cannot win them all!!!! 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 4D Quote  Post ReplyReply Direct Link To This Post Posted: 13 October 2013 at 4:50pm
yep I will have it, pm'd you my details

or email me direct at

aa++4++dpa at yah+++oo.co.uk

removing the + & replacing the obvious at with @


Edited by 4D - 13 October 2013 at 4:52pm
DMZ. "The bass was intense. Girls were literally running up to stand next to the subs"
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Dr T View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dr T Quote  Post ReplyReply Direct Link To This Post Posted: 13 October 2013 at 4:25pm
Hi I've been following the discussions re. the BSS EPC780. Well, I've a semi-working one that i no longer need or want. It is up from grabs for the cost of postage if anyone really wants one.
Dr T
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Post Options Post Options   Thanks (0) Thanks(0)   Quote simonp1100 Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2013 at 8:25pm
I am sure that the C-audio ones were designed around the ST range (using T03 FET's instead of the plastic K1058, J162) but with a switch mode power supply which was built by another company (came into them ready made / tested).
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave FFA Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2013 at 4:40pm
these amps are a big inspiration to me and I was lucky enough to help build the last ones that left the bss factory. I also modified countless qtys that belonged to brit row that used to come back to bss in their tour racks - I certainly learnt how to use a screw driver removing the front mounts and those lovely rear mounting plates. these buggers also ensured I was pretty fit too! I managed to build my own racks worth out of the remainder parts and a couple of used ones from Heath productions and used these with my TSE111 and TSE118s' in the 90's. unfortunately due to my utter stupid ness at the time these where stolen from me by some scum bag! If I didn't work for bss and c audio at the time this could of been the end of sound system for me. storm have some of these amps that maybe up for sale at a good rate. best regards Dave
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SMP Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2013 at 1:09pm
Originally posted by Dave FFA Dave FFA wrote:

the amp was very innovative for the time. massively expensive to build - profit margin was almost zero for bss to build. if the amp is modified to latest spec these offer very high audio performance.. on going servicing is certainly an issue because of the skills and parts required.


Google+
Damn it Dave please STOP!!! You will have me searching for the Damn things relentlessly every waking moment! I must spend my time more wisely Like learning to Lay Bricks Apparently

Agreed definitely a "Loss Leader" for them but really think they were trying to capture a market that was very lucrative but alas eluded them

Damn it again Dave too late!!!....Does anyone know of any BSS EPC's up for grabs anything considered even broken, Sick or thoroughly abandoned in a Warehouse Corner somewhere feeling lost and rejected??? Well here at EPC Care we never put a unloved Amp down Your £3 a month will ensure that they have a happier life once again powering stacks of speakers or Flown Arrays they will even Write to you and you will receive a special soft toy and a wallchart when You join Justcall this Premium rate number Operators are waiting to take your call

LMFAOH time for Tea methinks nice one Dave


Edited by SMP - 07 October 2013 at 1:10pm
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Post Options Post Options   Thanks (0) Thanks(0)   Quote TRE4U2NV Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2013 at 12:43pm
Originally posted by Dave FFA Dave FFA wrote:

the amp was very innovative for the time. massively expensive to build - profit margin was almost zero for bss to build. if the amp is modified to latest spec these offer very high audio performance.. on going servicing is certainly an issue because of the skills and parts required.

+10000000000000
IM SO SECRETIVE BUT I CANT TELL YOU WHY
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave FFA Quote  Post ReplyReply Direct Link To This Post Posted: 07 October 2013 at 12:25pm
the amp was very innovative for the time. massively expensive to build - profit margin was almost zero for bss to build. if the amp is modified to latest spec these offer very high audio performance.. on going servicing is certainly an issue because of the skills and parts required.
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