AMP40 mosfet PA with driver stage, VAS is LME49830 - diyAudio
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Old 13th June 2011, 06:53 AM   #1
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Default AMP40 mosfet PA with driver stage, VAS is LME49830

Hello,

This is the latest work.
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LME49830+K2381/J407+K1529/J200 x2Pairs, ALL MOSFET PA.
Symmetrical left and right channels.
Hope you like this design.

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Old 12th January 2012, 05:15 AM   #2
poler is offline poler  United States
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hello whats the power output and distortion figures on this amp? thank you
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Old 12th January 2012, 11:22 AM   #3
AndrewT is offline AndrewT  Scotland
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Where is the schematic?
Where are the build instructions?
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regards Andrew T.
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Old 12th January 2012, 01:42 PM   #4
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REFERENCE DATA

- VAS Operating Voltage: DC 45 ~ 85V
- OS Operating Voltage: DC 35 ~ 55V
- Output Power: 55 ~ 140W @ 8Ω
- Load Impedance: 4/8Ω
- Frequency response: 10Hz ~ 100KHz (-0.3dB)
- Voltage Gain: 31dB
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Old 12th January 2012, 01:43 PM   #5
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Old 12th January 2012, 01:46 PM   #6
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Old 27th February 2013, 04:32 AM   #7
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Looks GOOD ! How does it sound ? Can it be built using IRFP240/9240 x2 Pairs ?
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Old 22nd March 2013, 08:38 PM   #8
borys is offline borys  Poland
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According to lme guide design yes you can use irfp240/9240 pair
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