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12th November 2011, 03:27 PM
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#1 |
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diyAudio Member
Join Date: May 2007
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6088 Amplifier
I need comments about the schematics...
6088 with CCS (750µA): +Ub = 57VDC for max. voltage swing 22Vpp with -10dbV before clipping for 300R headphones. Output stage: parallel class A OPAMPs (AD797 and +/-15VDC supplies) with max. 500mA (down to 8 ohm, AKG headphone). |
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19th November 2011, 12:36 PM
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#2 |
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diyAudio Member
Join Date: May 2007
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The two 4S LiPo (3600mAh) protection and two 1A charger: +/-10,8VDC to +/-16,8VDC, up to 200mW for 300 ohm headphones.
The class A OPAMP module will follow... Then, I will think about the tube supplies: I don´t want to waste to much power into heating, some ideas? (6418, 6088 or other?) |
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