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The YARRA Preamplifier/HPA for Melbourne DB Group Buy
The YARRA Preamplifier/HPA for Melbourne DB Group Buy
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Old Today, 03:05 AM   #251
TboneAK is offline TboneAK  United States
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Join Date: Aug 2012
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Wow JP! Had to print it off to put it on the shop wall to drool over. I think it is truly amazing how this all came together. Can’t wait until I’m building it!
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Old Today, 05:30 AM   #252
xrk971 is offline xrk971  United States
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The YARRA Preamplifier/HPA for Melbourne DB Group Buy
Very cool. How many other DIYA projects have a professionally made exploded view diagram?

Thank you, JPS64!

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Old Today, 08:19 AM   #253
xrk971 is offline xrk971  United States
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The YARRA Preamplifier/HPA for Melbourne DB Group Buy
Just wanted to give an update on the Yarra PCB. I ran into a couple of delays with the production because it is such a complex layout with lots of vias and cutouts for sub boards. The fab house had many questions and emails back and forth before production actually started. The 12 hr time difference sort of added a delay to emails back and forth. The PCB is now truly in production. Hopefully will be done in 2-4 days.
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Old Today, 08:40 AM   #254
Oracle1 is online now Oracle1  Greece
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Thanks for the info. About the trafo? 2X12V or 2X15V. I dont want it for HPA, only as pre!
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Old Today, 11:02 AM   #255
xrk971 is offline xrk971  United States
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The YARRA Preamplifier/HPA for Melbourne DB Group Buy
Go with 2x15v - you will have headroom and be able to dial down voltage drop with cap Mx if needed. Even 22v is good choice as that gives you a Preamp capable of driving F4 to 25wrms info 8ohms (40Vpp).
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