RAS-300 Mosfet Amp. - Page 9

masood · 16th October 2011, 01:16 PM

hi all,
can any one send me the 300w nico ras wring and image photograph.thanking you

Nico Ras · 16th October 2011, 03:26 PM

Simplified 300 watt MOSAMP. I have never built it for myself, photo courtesy Gokan and Ersoy from DIYaudioTurkey.

masood · 5th December 2011, 03:48 PM

dear nico ras,
i am so pleased to get it now very very thanks to that you send me this valuable this 300w simplified circuit .this circuit has many mosfet .i have only two pair and in my city this type of transistor are not available.so i want such type of circuit in which that have only two pair with wiring.i salute you thanking you yours masood.

jaycee · 5th December 2011, 04:16 PM

You want 300W from two pairs of MOSFETS ? Forget it.

AKSA · 5th December 2011, 09:03 PM

Try SIX pairs, Jaycee........

Hugh

masood · 10th December 2011, 12:35 PM

DEAR ALL,
MY THINKIKING IS TO USE THAT TRANSISTOR WHICH I HAVE.NOT MAKING HI-FI 300W AMPLIFIER.THANKS ALOT.

Nico Ras · 03:08 PM

Masood, this amp is designed for lateral Mosfets, you cannot exchange them for HEXFET or transistors, they will simply run-away because there is no Vbe multiplier. Furthermore, you cannot expect two output devices to provide 300 watt into relatively low impedance loads.

Go have a look at APEX's design. It uses conventional components which you will surely get 500W PA amplifier with Limiter

5th December 2011, 09:03 PM	#85
AKSA diyAudio Member Join Date: Sep 2001 Location: Melbourne, Australia	Try SIX pairs, Jaycee........ Hugh __________________ Aspen Amplifiers P/L (Australia) www.aksaonline.com

10th December 2011, 03:05 PM	#87
Nico Ras diyAudio Member Join Date: Nov 2005 Location: Amanzimtoti - East Coast of South Africa	Masood, this amp is designed for lateral Mosfets, you cannot exchange them for HEXFET or transistors, they will simply run-away because there is no Vbe multiplier. Furthermore, you cannot expect two output devices to provide 300 watt into relatively low impedance loads. Go have a look at APEX's design. It uses conventional components which you will surely get 500W PA amplifier with Limiter __________________ Kind regards Nico Last edited by Nico Ras; 10th December 2011 at 03:08 PM.

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16th October 2011, 01:16 PM	#81
masood diyAudio Member Join Date: Dec 2010 Location: fatehpur	hi all, can any one send me the 300w nico ras wring and image photograph.thanking you

5th December 2011, 03:48 PM	#83
masood diyAudio Member Join Date: Dec 2010 Location: fatehpur	dear nico ras, i am so pleased to get it now very very thanks to that you send me this valuable this 300w simplified circuit .this circuit has many mosfet .i have only two pair and in my city this type of transistor are not available.so i want such type of circuit in which that have only two pair with wiring.i salute you thanking you yours masood.

5th December 2011, 04:16 PM	#84
jaycee diyAudio Member Join Date: Apr 2004 Location: Norwich, UK	You want 300W from two pairs of MOSFETS ? Forget it.

10th December 2011, 12:35 PM	#86
masood diyAudio Member Join Date: Dec 2010 Location: fatehpur	DEAR ALL, MY THINKIKING IS TO USE THAT TRANSISTOR WHICH I HAVE.NOT MAKING HI-FI 300W AMPLIFIER.THANKS ALOT.

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