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Quanghao Audio Design Quanghao Audio Design is a producer of DIY Audiophile Kits and PCB boards, selected from many listening tests!

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Old 23rd November 2013, 05:31 PM   #1
audiodesign is offline audiodesign  Italy
Join Date: Sep 2005
Send a message via MSN to audiodesign Andrea Ciuffoli - Audiodesignguide
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This thread has been created to support you in my projects and to help you to upgrade these with my last ideas.

The my last best projects are:

- KT88 Hi-end push pull
- 50W Amplifier End
- Top 845-2A3 SE
- 300B Ref. Amp.
- 100W Hybrid Amplifier (soon new release)
- Extreme Subwoofer
- Pre. Headphone Amp.
- Power Follower (soon new release)
- Hi-Eff loudspeakers, Monitor 3
- ES9018 44-384KHz PCM / DSD USB DAC

Audio Design Guide

Last edited by audiodesign; 23rd November 2013 at 05:50 PM.
Old 5th January 2014, 02:33 AM   #2
sbiswas1 is offline sbiswas1
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Join Date: Aug 2010
Hi Andrea,

For the 50W amplifier end, what is the input sensitivity of the amplifier. Is there any way to increase the output from 50 to 100 Watt
Old 22nd November 2014, 08:19 AM   #3
grec13 is offline grec13  United States
diyAudio Member
Join Date: Apr 2007
Location: Honolulu
Any progress on this?
Old 13th June 2018, 07:57 PM   #4
vdi_nenna is offline vdi_nenna  United States
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Join Date: Oct 2000
Location: PA, USA
Andrea Ciuffoli - Audiodesignguide
Anyone build the Power Follower 2014? Can a 4700uF be used for the output cap and a 3300uF cap in the power supply?
I build, therefore I am.
Do not create problem where there are not.

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