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Yes, the EL34 tubes are generally run with lower plate voltage in the range of 350-500 VDC. Optimum is 430 VDC. The KT120 tubes run at 650 VDC in Tetrode mode and 850 VDC in Tetrode mode. This could explain the difference in bass response, but all amplifiers are different.

I always count three seconds after the solder flows. It is usually enough. Sometimes you can see the solder flow down into the hole and then just stop, that is your signal to remove the heat. Don't move the wire for several more seconds.

My Phase Linear 5000 does everything I need an FM tuner to do. I use a simple dipole antenna made from twin-lead wire and taped to the window facing West. I swapped out the two original RC4136OPAMPS with (2) Brown Dog 060601 Adapters with (2) OPA 2134 SMT OPAMPS mounted. It sounds very good to...

Frampton Comes Alive (Live) "Do You Feel Like I Do" first released 50 years ago today. Geez we are old...

Good catch!

And if a fuse was the only casualty, you are a lucky man.

Does anyone have a Phase Linear 700 (not 700B or 700 Series II) Owner's Manual? I have copies of pages 2, 3, 4, 7, 8, 10, and 12. There may be some blank pages in there, but I don't have the Cover Page. There may be others on the forum that need the whole PL700 Owner's Manual. I will post what...

I have two complete sets of bezels and screw clamps from a PL400 that was donated to me without the meters and a very rough faceplate. White Oak Audio is looking into a replacement set of meters for me that are not compatible with the original Phase Linear Bezels. The new bezels will not fit...

Getting the best wire from the best source. Order more than you need, it sucks to have a short piece when you need a long piece...

Zero inches of snow so far in Jacksonville...

What Joe said above. 22 gage and 16 gage. The final number is the color that corresponds to the Resistor Color Code. For example M22759/11-22-0 is a Teflon (PTFE) Insulated, Silver-plated copper wire with 19 strands, rated at 600 Volts and 200 Deg C, in Black. You can find it on ebay if you...

Is it likely that these output devices will get hot? If so, the isolated tab devices may not be able to conduct heat away from the device as well as the metal tab devices you specified.

I know that place. And I used to get the best submarine sandwiches right down the street at Surf Side Deli, in the corner by Regatta Men's Wear. I actually had a consultant client out on Point Loma on Woodward Road. It was the Navy Training data center for Undersea Warfare. The whole building...

I'm waiting for the paint...

I joined the Navy while still in High School. There were 11 kids, so I knew my chances of parents paying my college tuition was a fantasy. I scored 98 on the ASVAB and they wanted me to be a Nuc (Nuclear Power Program). I said no way and accepted Advanced Electronics and Sonar School. My first...

Heaven...

That's funny, because when I see a vintage Altec or JBL crossover for $500.00 - I cry. They are that good and I want them. It is not the parts really, it is the engineering that went into the design. I use a pair of JBL 3110 800 Hz crossovers between the JBL K120 woofers and the 2426J...

Yes, the Model ONE is weight balanced in the center, unlike the exposed transformer Phase Linear amplifiers.

He lives out on Cape Cod and has an elevator in his house. My brother is an elevator mechanic, licensed in Mass. He did some work on the elevator and also an inspection/certification for free. Mr. Taylor was so impressed, he asked my brother if he wanted to see the "Guitar Room". It was also his...

The 400 Watt Dummy Load that I connected to one channel of the Model ONE got too hot to touch after just a few seconds. It also blew the 10 Amp Fuse in the Model ONE (Joe said that it was because I fed it a 1 kHz sine wave), a 1 Volt continuous wave into the Model ONE would likely draw 25 Amps...