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Old 25th November 2012, 04:11 PM   #1
diyAudio Member
Join Date: Jan 2012
Location: Bloemfontein
Default Good quality active preamp

Gooday all,
Can somebody plse show me in the right direction for building an easy good quality preamp for hi fi use. I'm currently using an AVR's pre outputs and it is only putting out 250mv. I need at least 1V on the preamp output to drive my power amp to full volume. It would be good to have tone controls as well. I have got an old Nad 1000 monitor series preamp, but I would prefer to do a diy build.
The preamp will be connected between the AVR pre- out and the power amp.
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Old 26th November 2012, 12:17 PM   #2
diyAudio Member
Join Date: Nov 2008
Try this site: Elliott Sound Products - The Audio Pages (Main Index)
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Old 26th November 2012, 12:24 PM   #3
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Join Date: Jun 2007
Location: Romania
See here DP0209 project: Discrete Opamp Open Design
AV400v2 and GX400 audio amplifier projects
PCB Design Services - for prototypes OR serial products, Today Tehnium and Forums
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Old 26th November 2012, 12:51 PM   #4
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Join Date: Jan 2012
Location: Bloemfontein
Thanks you all,
I'll go check it out.

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Old 13th November 2015, 01:13 AM   #5
nareshn is online now nareshn  India
diyAudio Member
Join Date: Nov 2005
Location: Bangalore
Any kits in addition to ESP .
(i have posted in the chip amp section also)
At this time looking for a preamp (prefer chip/opmap over discrete) for LM4780 build
1. One analog unbalanced input to connect to a CD player source
and following controls
2. Volume
3. Bass

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