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16th December 2003, 07:28 PM
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#1 |
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diyAudio Member
Join Date: Jun 2002
Location: Oslo - Norway
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Pics of YAA. Flavour no. 3 :)
 Yet another aleph up and running. To be honest I started building this almost a year ago, and I don’t know if it’s really finished either. It’s been fully functional for over 6 months, but I’m still playing around with it, swapping part etc.I still live in the stoneage so I don’t have a digital cam, so the pics are from when I just got it up and running. I have also done some changes since the pics where taken. The compact size posed a bit of a challenge with the transformer inducing a hint of hum. The biggest issue however was the mechanical hum from the transformer itself. I tried DC mains filter and what not. I had almost given up and was considering trying to get a replacement transformer, when I swapped the standard bridge rectifier for some high speed diodes with RC snubbers. To my joy and surprise the transformer became dead silent?? Anyone care to take a thwack at explaining how that is possible? Enough chit-chat here’s the pics: This one is from my living room in my new apartment just after we mowed in:
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Sven Sødem |
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16th December 2003, 07:45 PM
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#6 |
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The one and only
Join Date: Mar 2001
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No, that's properly phrased " YAAR "
Yet Another Aleph Running 
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16th December 2003, 07:52 PM
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#7 |
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diyAudio Member
Join Date: Oct 2002
Location: Holland, The Hague
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Red leds, nice touch
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Is that all there is? |
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16th December 2003, 08:03 PM
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#8 |
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diyAudio Member
Join Date: Jun 2003
Location: Wroclaw
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VERY NICE INDEED!!!!
Finally someone ,who doesn't put those ugly blue leds on front panel! Mr. Pass I always wondered how do you come up with the resistor value for the leds in Alephs? They always light just about perfect...not too soft ,not to strong.. Bartek |
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16th December 2003, 09:39 PM
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#9 |
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diyAudio Retiree
Join Date: Oct 2002
Location: Spain or the pueblo of Los Angeles
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hopping you'll post more
I am green wth envy........
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17th December 2003, 10:12 AM
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#10 |
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diyAudio Member
Join Date: Aug 2001
Location: Ingolstadt Germany
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Sven,
nice amp you´ve build there! Since I also have some mechanical humm in my Aleph 5 could you tell me wich diodes you used and what values for your RC snubbers? thanks, william
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een ooievaar is geen konijn want zijn oren zijn te klein! |
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