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Old 8th November 2005, 10:19 AM   #141
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I already built and tested both channels of the Pearl phonostage. The initial results are really promising. The sound is very good. Thanks Promitheus for the parts and pcb. Now I am sure I need some extra gain for the MC cartridge, as planned.

I am exploring the "parallel way" as pointed by Tarasque (thanks for the info) and trying to get the mentioned article from the journal of Audio eng. I could start with something theoretical, and if I come up with something "doable" and "payable" I might try a prototype.

Do you guys more experienced in the forum think I should start a new thread or we keep everything related to the Pearl here?

Xavier
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Old 8th November 2005, 10:36 AM   #142
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You keep it here if you want. It doesnt really matter.
If you think you want to share your MC Preamp circuits you could also start a new thread. Its up to you.
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Old 8th November 2005, 12:38 PM   #143
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Default Raising the gain of the pearl for MC

promitheus, i'm still game for the ONO's solution for raising the gain of the pearl for use with MC.

I believe it's in the right spirit, the diypass way
Furthermore i'm quite confident in the pass designs

analogair
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Old 8th November 2005, 12:45 PM   #144
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Quote:
Originally posted by xavier1000
Do you guys more experienced in the forum think I should start a new thread...
Yes please, it keeps everything easier to find.
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Old 8th November 2005, 12:45 PM   #145
steenoe is offline steenoe  Denmark
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Quote:
Is anybody else interested in an MC preamp for the Pearl?
I am in

Steen
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Old 8th November 2005, 12:56 PM   #146
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I will try to get something finished on the weekend and I can post the layout. You can tell me what you think then.
Do you guys have any ideas what would be needed?
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Old 9th November 2005, 06:03 AM   #147
steenoe is offline steenoe  Denmark
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Quote:
Do you guys have any ideas what would be needed?
I would like to see the MC frontend powered off from the Pearl board. I was thinking of giving the MC frontend its own capacitance multiplier reg. like in the original, powered from right after the first regulator stage on the Pearl board. Just have to figure out a decent way to connect it

Steen
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Old 9th November 2005, 06:15 AM   #148
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The best way to connect the power is directly from the resistor R13 on the Pearl board.
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Old 9th November 2005, 06:24 AM   #149
steenoe is offline steenoe  Denmark
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Quote:
The best way to connect the power is directly from the resistor R13 on the Pearl board.
Yes, that seems to be correct Do you know what version of sk170's that is used in the A-ONO? Is it the BL like in the Pearl?

Steen
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Old 9th November 2005, 06:39 AM   #150
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I think its the BL like in the Pearl.
A few people I know who have built the ONO used BL type.
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