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AB100 Class AB Power Amplifier
AB100 Class AB Power Amplifier
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Old 8th July 2019, 03:41 AM   #591
prasi is offline prasi  India
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AB100 Class AB Power Amplifier
Quote:
Originally Posted by Freecrowder View Post
Yes Mark I did look at and measure the footprint. Looking on Mouser I'm finding everything slightly different. I'm just wondering if anyone knew immediately to save me some time. I'm sure there are many it just searching through them.
Measure the distance between center hole and other holes of the trimpot on the PCB , if its 2.54mm, then a Bourn's 3299Y would fit.
https://www.bourns.com/pdfs/3299.pdf
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Old 8th July 2019, 01:24 PM   #592
SRMcGee is offline SRMcGee  United States
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AB100 Class AB Power Amplifier
Folks:

I'm a little late to the party, but if anyone has a spare set of AB100 boards kindly PM me.

Regards,
Scott
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Old 11th July 2019, 07:12 PM   #593
osscar is offline osscar  Latvia
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A little progress - hopefully at the end of the weekend I will finish it - still have to find a nice piece of wood - for front panel.
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File Type: jpg DSC00885.jpg (261.1 KB, 253 views)
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My DIY so far: two Leach amps, Pass AB100, Pass F5, B1 buffer, Hiraga le monstre, two LM3875, LM1875, OPA549, 6C33C SE, GU32 PP, 6p3c-e PP, Marsh headphone amp.Phono - OBH-8se, Pacific RIAA, inDiscreet Phono, MF A1 Clone, Whammy headphone amp.
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Old 11th July 2019, 10:36 PM   #594
mpmarino is offline mpmarino  United States
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I love the DIY spirit, osscar!
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Old 12th July 2019, 05:40 PM   #595
osscar is offline osscar  Latvia
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Yes there is some addiction that even at night i think - what to do better, how to organize wires etc..

everything done - only transistors left to solder - delivery of heat-sinks is delayed, i do not want to solder transistors without them - i can miss the right height ..
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File Type: jpg DSC00887.jpg (233.1 KB, 187 views)
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My DIY so far: two Leach amps, Pass AB100, Pass F5, B1 buffer, Hiraga le monstre, two LM3875, LM1875, OPA549, 6C33C SE, GU32 PP, 6p3c-e PP, Marsh headphone amp.Phono - OBH-8se, Pacific RIAA, inDiscreet Phono, MF A1 Clone, Whammy headphone amp.
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Old 13th July 2019, 08:15 PM   #596
osscar is offline osscar  Latvia
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The front panel is also sorted - there will be a Brazilian cherry wood panel...progress so far:
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File Type: jpg DSC00890.jpg (314.6 KB, 123 views)
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My DIY so far: two Leach amps, Pass AB100, Pass F5, B1 buffer, Hiraga le monstre, two LM3875, LM1875, OPA549, 6C33C SE, GU32 PP, 6p3c-e PP, Marsh headphone amp.Phono - OBH-8se, Pacific RIAA, inDiscreet Phono, MF A1 Clone, Whammy headphone amp.
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Old 14th July 2019, 01:34 PM   #597
osscar is offline osscar  Latvia
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still waiting delivery of front panel Leds ( blue ones of course) and mains switch
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File Type: jpg DSC00893.jpg (292.5 KB, 79 views)
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My DIY so far: two Leach amps, Pass AB100, Pass F5, B1 buffer, Hiraga le monstre, two LM3875, LM1875, OPA549, 6C33C SE, GU32 PP, 6p3c-e PP, Marsh headphone amp.Phono - OBH-8se, Pacific RIAA, inDiscreet Phono, MF A1 Clone, Whammy headphone amp.
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Old 14th July 2019, 01:51 PM   #598
Skylar88 is offline Skylar88  South Africa
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Fugly
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Old 14th July 2019, 01:54 PM   #599
vdi_nenna is offline vdi_nenna  United States
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AB100 Class AB Power Amplifier
Nice!
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