[sdiy] Siel OR400 Transformer needed

Eric Wood eric.wood74 at gmail.com
Sat Jul 27 09:35:19 CEST 2013


Not trying to become part of that but I've been subscribed to both lists for many years and mostly silent for just these reasons! Be you! And learn from the masters! Do not be deterred by the asses!

On Jul 27, 2013, at 2:31 AM, Eric Wood <eric.wood74 at gmail.com> wrote:

> Agree! AH in the last few days has become a deletion festival!! Maeghan deserves more!
> 
> On Jul 26, 2013, at 3:40 PM, Dave Manley <dlmanley at sonic.net> wrote:
> 
>> I want to thank the sdiy community for responding so helpfully to Maeghan's request for help.  I suggested she try here after getting a sh&t storm of useless noise on AH.  There are a great bunch of people here and the responses have been technical and to the point.
>> 
>> Let's hope it stays that way!  :-)
>> 
>> -Dave
>> 
>> 
>> 
>> 
>> 
>> -------- Original Message --------
>> From: M Maeghan Skala <synth.diy at pulsewidthmod.com>
>> Sent: Fri, Jul 26, 2013 12:57 PM
>> To: ASSI <Stromeko at nexgo.de>
>> CC: Synth-diy at synth-diy.org
>> Subject: Re: [sdiy] Siel OR400 Transformer needed
>> 
>>> here's the schematics for the synth https://docs.google.com/file/d/0B8AGUCtwqUz4bnNFQnNWUGVrMk0/edit?usp=sharing
>>> 
>>> hope this helps
>>> 
>>> 
>>> On Jul 26, 2013, at 3:48 PM, ASSI <Stromeko at nexgo.de> wrote:
>>> 
>>>> On Friday 26 July 2013, 11:16:04, Steve Lenham wrote:
>>>>> BTW, it is OK to use a higher VA-rated transformer if it is easier to
>>>>> source and will physically fit.
>>>> 
>>>> If this is intended as a replacement for something built pre 1985 or so, 
>>>> then I'd not make that recommendation without looking at the indivdual 
>>>> circuit.
>>>> 
>>>> Most often a the higher rated transformer will have less voltage drop under 
>>>> load (depending on the core material and winding style used this could be 
>>>> more than 10%).  This, in combination with the now higher line voltage (up 
>>>> from nominally 220V to 230V and in most places another 5V higher on average) 
>>>> is enough to push some aged components over the edge, especially if their 
>>>> rating was somewhat borderline to start with.
>>>> 
>>>> 
>>>> Regards,
>>>> Achim.
>>>> -- 
>>>> +<[Q+ Matrix-12 WAVE#46+305 Neuron microQkb Andromeda XTk Blofeld]>+
>>>> 
>>>> Factory and User Sound Singles for Waldorf rackAttack:
>>>> http://Synth.Stromeko.net/Downloads.html#WaldorfSounds
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>>> 
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