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I final got a plan together to just get my PL700B up and running before I do any thing. I then tested my output capcitors only to find out then don't have capacitance anymore (no surprise). So I was going to order new caps from White Oak, only to find out that they aren't available through White...

The budget is always a consideration, because I hadn't heard of White Oak until the last month. It doesn't seem like upgraded amps are selling well in the resell market. That doesn't mean that it isn't a great upgrade. Although before I drop $2K in a $700 amp I think I would just buy an old...

I posted here the other day and have to say thank you to everyone. I am very excited to have found this community of Phase Linear focused folks! I have been reading and digging into my new to me PL700B. On some levels it may be better than expected when I purchased it. Below is a list of what I...

How much for an assembled control board?

Thanks for the clarification I have a 700b

My is a first gen with the bouncing uv needles. I know it’s not a series two but what the difference between 700 and 700b?

Thank you both. What is the rough cost to do the upgrade? Did you do all upgrades including the back board? Would you do it the same way if you had it to do over?

A Little back ground. I purchased a Phase Linear 700 off eBay. It pops when turned on pretty hard. I have owned a PL 400 before hand and loves these but this one needs some work. Long story short, the tech I used 20 years ago when I smoked my last PL (my fault) doesn’t have his shop anymore...