pre amp

tze-hao yen · 25th March 2007, 12:43 AM

hi
please
every body i need a pre amp to drive aleph-x ihave no ideal which one will fit any one help?

hifimaker · 25th March 2007, 01:15 AM

I'd consider the BOSOZ/Balanced Line Stage on www.passdiy.com. There are other variants of the BOZOX on this site as well you might like to consider. The Aleph P is great if you can find a service manual.

A lot depends on your experience level as to which one to pick. The BOSOZ is a great preamp.

-David

tze-hao yen · 26th March 2007, 12:28 AM

hi
i have an aleph-p diy but how do you keep it noise free ?
when i used it at baranced input it run ok but unbalanced in put it seen have an hot noise very small but you know that the noise is there what can i do? please help

hifimaker · 27th March 2007, 04:47 PM

IT depends what kind of noise you are getting. If you are hearing a hum, there's probly a grounding issue. I'd check for ground loops. Try a star ground, tying all grounds to a common point. Also is the ground signal floating?

Do a search on this site for BOZOZ noise or grounding issues. There is a lot that's published on the topic.

-David

25th March 2007, 12:43 AM	#1
tze-hao yen diyAudio Member Join Date: Jul 2004 Location: brooklyn	pre amp hi please every body i need a pre amp to drive aleph-x ihave no ideal which one will fit any one help?

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25th March 2007, 01:15 AM	#2
hifimaker diyAudio Member Join Date: Oct 2003 Location: San Jose	I'd consider the BOSOZ/Balanced Line Stage on www.passdiy.com. There are other variants of the BOZOX on this site as well you might like to consider. The Aleph P is great if you can find a service manual. A lot depends on your experience level as to which one to pick. The BOSOZ is a great preamp. -David

26th March 2007, 12:28 AM	#3
tze-hao yen diyAudio Member Join Date: Jul 2004 Location: brooklyn	hi i have an aleph-p diy but how do you keep it noise free ? when i used it at baranced input it run ok but unbalanced in put it seen have an hot noise very small but you know that the noise is there what can i do? please help

27th March 2007, 04:47 PM	#4
hifimaker diyAudio Member Join Date: Oct 2003 Location: San Jose	IT depends what kind of noise you are getting. If you are hearing a hum, there's probly a grounding issue. I'd check for ground loops. Try a star ground, tying all grounds to a common point. Also is the ground signal floating? Do a search on this site for BOZOZ noise or grounding issues. There is a lot that's published on the topic. -David

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