ampifier desing topology versus part and spec

YUTK · 28th April 2005, 07:50 AM

In Ampifier desing you think obout it when topology versus part and spec I try and try to compare it sometime I listen audio amplifier not good spec THD but i hear someting different it good sound

amplifierguru · 29th April 2005, 03:10 AM

Hi YUTK,

I used to live in Lardprao when designing for Magnet.

I wish you luck in listening to different topologies for a characteristic sound. Most designers are fairly adept at taming the character of certain designs, particularly output stage configurations.
However, to my ear/brain the transparency of JFET inputs is clearly discernable. In a honed amplifier. Of course you need high transparency in your ancilliary equipment or the detail's all in the mire.

aht · 29th April 2005, 03:27 AM

I'm clonning Jfet input differential of UGS 3'4 from Pass Labs.
If you're interest spec of them you can mail me to download schematic & pcb

X2_ugs3,4

If you like Jfet (more than tube) I can help you.

Regard
AHT

28th April 2005, 07:50 AM	#1
YUTK diyAudio Member Join Date: Jan 2005 Location: BANKKOK	ampifier desing topology versus part and spec In Ampifier desing you think obout it when topology versus part and spec I try and try to compare it sometime I listen audio amplifier not good spec THD but i hear someting different it good sound

29th April 2005, 03:27 AM	#3
aht Account Disabled Join Date: Nov 2004 Location: thailand	Hi, Amplifier guru I'm clonning Jfet input differential of UGS 3'4 from Pass Labs. If you're interest spec of them you can mail me to download schematic & pcb X2_ugs3,4 If you like Jfet (more than tube) I can help you. Regard AHT

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29th April 2005, 03:10 AM	#2
amplifierguru Account Disabled Join Date: Aug 2004 Location: Earth	Hi YUTK, I used to live in Lardprao when designing for Magnet. I wish you luck in listening to different topologies for a characteristic sound. Most designers are fairly adept at taming the character of certain designs, particularly output stage configurations. However, to my ear/brain the transparency of JFET inputs is clearly discernable. In a honed amplifier. Of course you need high transparency in your ancilliary equipment or the detail's all in the mire.

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