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output transistors for Mission Cyrus amp?
output transistors for Mission Cyrus amp?
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Old 9th March 2005, 04:10 PM   #1
hifihome is offline hifihome  Netherlands
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Join Date: Mar 2005
Location: Europe
Default output transistors for Mission Cyrus amp?

I need type nrs for repairing a Mission Cyrus amp model 1 or 2
(Mission model 778 or so)

What are the types? mosfet or transistor?
Where to obtain a copy of the schematic?

Idle current settings?

Best regards,

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Old 9th March 2005, 04:22 PM   #2
richie00boy is offline richie00boy  United Kingdom
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Location: Gloucestershire, England, UK
output transistors for Mission Cyrus amp?
You can get the schematic from Cyrus in the UK. The output devices are marked up with their own part numbers. You will need to change the driver transistors as well as the output transistors.

I suggest you search the whole forums for Cyrus, there are a few threads about Cyrus 1 and 2 in particular.
www.readresearch.co.uk my website for UK diy audio people - designs, PCBs, modules and more.
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Old 12th March 2005, 01:12 AM   #3
Leolabs is offline Leolabs  Malaysia
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Old 12th March 2005, 11:56 PM   #4
KBK is offline KBK  Canada
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definitely cool!

Now for my little problem:

I have a mision 772 (dual mono, 150/w a side, ridicuous current) power amplfier with blown outputs. Same problem: Mission part numbers (Mission.... you *******s!)
"Extraordinary claims require extraordinary evidence." - Carl Sagan. Sometimes the claims aren't extraordinary. Sometimes the weakness of men's minds are the culprit. Mass mentality has nothing to do with obviousness or truths.
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