pre-amp

nbcd · 18th June 2006, 02:28 PM

hy all,
can someone give me a good schematic of a good audio preamplifier that has a low THD?.
i use this amplifier
http://sound.westhost.com/project03.htm#pwr_update
but my audogy sound blaster cannot blast this amplifier with enough power. hardly can i hear something whem soundcard is set to maximum cvolume.

i want to buil an preamplifier that has tone and volume adjustments. thank you

jerluwoo · 19th June 2006, 09:24 AM

Have you tried using another source to input to this amplifier?Your soundblaster sould be able to power headphones to a decent level.I use an amplifier very close to that one of my own design that works very well with my sb card and it pushes it to clipping.

nbcd · 20th June 2006, 07:12 AM

yes. i user a few years ago a sound card that had a better amplification, but i don't have it anymore. that is why i want to buil an preamplifier. does anyone has any schematic?

bawang · 20th June 2006, 09:15 AM

Try one of the many preamps that Rod has on the same site (ESP), ranging from minimalist (the DoZ preamp) to full featured, all with PCBs for sale.

I am using the DoZ, simple and does the job well.

Leolabs · 21st June 2006, 02:53 AM

or readjust the gain of the power amp.

18th June 2006, 02:28 PM	#1
nbcd diyAudio Member Join Date: Apr 2003 Location: suceava	premp hy all, can someone give me a good schematic of a good audio preamplifier that has a low THD?. i use this amplifier http://sound.westhost.com/project03.htm#pwr_update but my audogy sound blaster cannot blast this amplifier with enough power. hardly can i hear something whem soundcard is set to maximum cvolume. i want to buil an preamplifier that has tone and volume adjustments. thank you __________________ eugen

20th June 2006, 07:12 AM	#3
nbcd diyAudio Member Join Date: Apr 2003 Location: suceava	yes. i user a few years ago a sound card that had a better amplification, but i don't have it anymore. that is why i want to buil an preamplifier. does anyone has any schematic? __________________ eugen

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19th June 2006, 09:24 AM	#2
jerluwoo diyAudio Member Join Date: Feb 2006 Location: Ashland,Ky U.S	Have you tried using another source to input to this amplifier?Your soundblaster sould be able to power headphones to a decent level.I use an amplifier very close to that one of my own design that works very well with my sb card and it pushes it to clipping.

20th June 2006, 09:15 AM	#4
bawang diyAudio Member Join Date: Oct 2001 Location: Malaysia	Try one of the many preamps that Rod has on the same site (ESP), ranging from minimalist (the DoZ preamp) to full featured, all with PCBs for sale. I am using the DoZ, simple and does the job well.

21st June 2006, 02:53 AM	#5
Leolabs diyAudio Member Join Date: Dec 2004 Location: Bukit Mertajam	or readjust the gain of the power amp.

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