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[OM] Re: QA310 modification and trivia

Subject: [OM] Re: QA310 modification and trivia
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
Date: Wed, 27 Sep 2006 12:09:08 -0400
Thanks for the input.  I'll have to look for a 611 as I already have a 
Quantum compatible high voltage pack and have a CS5 cable used on the 
611.  I have two 522's and the same HV cable is used on them.

Chuck Norcutt

Tim Hughes wrote:

> Chuck,
>      The really old Metz's with the Pb wet cell pack and mechanical vibrator 
> invertors ran 250v+.
> I used some at the medical school/hospital, I was working at in the 70's but 
> they were probably
> 60's vintage. The somewhat similar Japanese Minicam also.  The old Sunpack 
> Ringflash with small
> hip battery pack (early 70's?) also ran well over 200v. The popular pro model 
> Sunpak Autozoom 5000
> aka 611 in the US, (1980's and maybe even into 90's), has over 220V on the 
> household sync
> connector. I think the remote sensor hot shoe adapter for that unit is low?. 
> The 611's are the
> most ruggedly constructed of all the Sunpak units to this day. They still 
> sell used on Keh, but
> often have the battery door missing and are then available for next to 
> nothing. Since you can use
> them with Quantums, either Turbo or non turbo or Sunpak's own TRpack, it is a 
> good way of getting
> a very reliable high duty cycle flash for peanuts. Their follow on high power 
> model the 622pro
> ,still in production, is not half as well made or reliable, but is very 
> flexible with ~5 different
> heads and a low voltage trigger.
> 
> Tim Hughes
> 
> --- Chuck Norcutt <chucknorcutt@xxxxxxxxxxx> wrote:
> 
> 
>>I have some 80's era Sunpaks and Vivitars and, of course, some T-32's. 
>>None of them measures more than the T-32's which are about 12 volts. 
>>The only high voltage flash I have is my original Vivitar 283 purchased 
>>to go with my original OM-1.  Probably late 70's since I continued to 
>>use flash bulbs for a while on the OM-1.  That old 283 measures about 
>>250 volts.
>>
>>Chuck Norcutt
>>
>>
>>Tim Hughes wrote:
>>
>>>Although the voltage is high , unlike really old high voltage trigger 
>>>flashes, the peak
>>
>>current at
>>
>>>the high voltage is very low since there is no high voltage capacitor on 
>>>that pin. Some of the
>>
>>old
>>
>>>Sunpaks,Metz etc have both a high voltage and a high voltage capacitor on 
>>>the pin. These are
>>
>>much
>>
>>>more likely to damage modern gear. 
>>
>>
>>
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