Lyle's Phase Linear 700 Ser I, to be WOPL'd

DCP wired up, some wire discipline taking place. Board next, digging out the stash of silver wire of FaboNav's to do the hookup to the board.
 

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Right side done. We'll be testing in an hour....
 

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Board wired in, outputs and heatsinks next....
 

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Slept almost all day yesterday. Outputs and drivers in, time to see if she blows or goes!!!
 

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Nice job on the zobel network. I like how you paralleled the two resistors together and a nice touch with the cap - very shapely. Did you have to modify the resistor leads for the through-hole?
 
Nice job on the zobel network. I like how you paralleled the two resistors together and a nice touch with the cap - very shapely. Did you have to modify the resistor leads for the through-hole?

Ni Dennis, it's tight but doable. The transistor standoffs are perfect!!
 
TESTING 1,2 TESTING1,2 It's on the AP....
 

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Frequency Response, 10 watts output, 8 ohm load, Bias 402Mv.
 

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THD & N, left channel....
 

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THD & N, left channel....

Looking at the graph one sees a large increase in the higher frequencies but when you look at the numbers it's only 0.3% THD&N at 80 kHz! Kind of deceiving without looking a little more closely. Looking good.
 
Got some hash on the rails, I did not put any .33uf mylars on the rail to ground connection yet. A wee bot of hi freq oscillation, even more evident on the left channel.


Spectrum Analysis, (noise floor)
 

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Spectrum Analysis, Left Channel....
 

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Other measurements...
 

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The faceplate Goddess has out done herself again... it was pretty rough...

It will also get the cool fold away rack handles...
 

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The test that really matters.....
 

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This phase (god I'm funny...) usually takes a week...... like Joe says..." No one test amps like you do Lee.."
 
Nice job all around Lee...specs look good. Flirting with 200uV on the right channel, nice. We can go lower :-)
 
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