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The Easter bunny stopped by today...thanks Don.:)

Just placed my order Joe. Looking forward to Christmas. :)

Got my DCP request in to wattsabundant. Time to get my list together for Joe.

No, saw a complete pl 400 transformer on the bay. Started daydreaming about a White Oak 400 build. I mean if the only thing Phase Linear is the transformer, it's not a Phase Linear anymore right?

Found a Tek 2235 on you know where for 175. Pulled the trigger on it. Now to find a signal generator. Definitely prefer a digital readout.

All broke down. First mod.

What if all you had was a pl400 transformer. Could build a complete WOPL 400?

Seems an o scope is somewhat needed for this hobbie. What would be a good used scope for a hobbyist? I've used them so there wouldn't be a learning curve involved. And maybe an audio signal generator too...

Seems that way.

Thanks George. :)

BTW, what's the recommended alternative for the bias transistor 2N3403?

It's the angle. I did a double take when I saw that too.

Well, Linda is finally getting her turn on the bench. Started stripping down the chassis. Clean up shouldn't be too bad. Other than dust bunnies and residue from an apparent KABOOM somewhere along the line it's not in horrible shape. Tested the transformer after I got it out, voltages look...

I am building a passive subwoofer with separate left and right drivers. They will be driven by a PL-400 that is fed by a Rolls active sub crossover. The drivers are 4 ohm impedance. I know that can be problematic for the 400 at hi output levels. I'm using this in a home system and unlikely to be...

Thanks for your effort, but they are different.

Troubleshooting a capstan motor problem. Need a schematic for the motor control board. The service manual doesn't show it.

Curious what would cause that. Impedance mismatch at various points across frequency spectrum as the output of the preamp increases/decreases?

Looking to optimize my connection of my eq into my system. Years ago I had the SG-9500 connected between the pre-out and main-in of my SA-9800. Now I read that was wrong, should've been connected to a tape loop. It seems that the answer could best be answered if I could find what the max output...

I might play with a pair of Mach IIs just to see if it works for them, though I think the major issue is the midrange speaker.

Anybody experimented with modding existing crossovers to charge coupled and is it a significant improvement?