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Old 4th June 2011, 11:45 PM   #1
diyAudio Member
Join Date: Jan 2011
Default large torroids for sale & Mosfets (Hitachi)

i have 4 large torroidal transformers to sell 2 "pairs" they are ex equipment some large PA amps I meant to fix but will not now as I am going abroad 1 pair from C-audio SR808 1 pair from Rauch DVT500S they gotta be in excess of 2Kva each one
the type that are wrapped and doped or sealed with a resin

some used but functional Hitachi H-pak mosfets from the Rauch on a heat exchanger with PCB sub asssy configured common source output they have never been used really as Phil rimmer from pantechnic never got the design of the amp right few were ever made so they are ex- factory i bought years ago

any interest msg me want pics just ask
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Old 5th June 2011, 11:36 PM   #2
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Join Date: Jan 2011
the H-paks in question are 2sk228 2sj83 the original black/green case 2 hole fixing which are now rare and basically not in production any more 160v devices found in some of the very first production power amps using mosfets the amp they are from was one bought from charlie @ MST Rauch in 1991 when they ceased production BTW I do have DVT 300S amps which use K176 J56 so no use to me even as spares
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Old 6th June 2011, 10:09 AM   #3
GeeVee is offline GeeVee  Australia
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Join Date: Jan 2007
Location: Adelaide, South Australia
Hi CharlieB

Can you tell me what the output configuration / voltage of the transformers are?

Also, what is the input voltage.

Can you post some pics?


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Old 6th June 2011, 01:17 PM   #4
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Join Date: Jan 2011
point one there are two different tx's roughly the same pair A & pair B
pair A are from Rauch DVT 500S primarys I will have to check but should be 115v/230v PRI 55v-0-55v approx @ 2Kva they are monsters the amp was capable of over 1.6Kw per channel with 1 tx per channel
pair B are slightly larger similar primarys but definitely multi voltage think they have secs of 60v-0-60v at least amp used 2SK176 2SJ56 so definitely higher output than pair A they are from C-Audio SR808 amp they are it appears 2kva but I think a bit more they too are monsters
can send pics my e-mail which will make all this to & fro much easier
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Old 15th July 2011, 08:59 PM   #5
sat121 is offline sat121  United Kingdom
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Join Date: Jun 2009
are they still for sale
thanking you
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