Joe and Ralph,
I have Jm labs nominally rated at 8 ohms. They are 936 Electras, wich have dual 8 inch woofers the impedance will drop to 3.6 ohms. I am not sure which order X-over they have but I think they are 2nd order and probably have a fairly involved construction with a large induction coil etc. I also own speakers which are 16 ohms. I have 8 ohm speakers with rock solid 8 ohm impedance curves. None of these even comes close to the inefficiency of the Von Schweickert 2s in the WAF system driven by 40watt PP amp. (yes I know too many speakers and even more feel free to make offers) . Yet Joe as my witness the VR2s play to levels I wouldn't characterize as eye bleeding in a fairly large room 24X 12 X9 but loud enough that my wife always turns the music down whenever she comes into the room. It makes no sense because an average attack of flatulance will overcome the SPL.
I know you have both spent a good deal of effort, time and money on ensuring the bazzing speed that is the essence of what I like about OTLs.
Yet The new tube amps I have, are output transformer coupled and I credit the size of the trannies in them for making the JMs with a " difficult load" during low frequency passages, sound effortlessly extended and clean As loud as I want. I want a lot sometimes around 95- 100db.
Ralph brace youself- Joe has another 60 watt amp but it weighs about 70lbs mostly trannies. I have not found the trannie compromise you mention, the detail, extension are great. I don't care for bone crushing bass below the 28 cycles the JMs are supposed to make. My 16 ohm speakers are vintage JBLs since you like CAR that should have a good idea of that type sound. They are 1959s still as loud as you can take it not distorted using El84 based low powered integrated amps of that era.
My question is why do amps rated at as little as 9 watts per side but with massive trannies make the speaker sing in all but the worst cases, which are generally planars that drop to an impedance equal to a dead short.
I have Jm labs nominally rated at 8 ohms. They are 936 Electras, wich have dual 8 inch woofers the impedance will drop to 3.6 ohms. I am not sure which order X-over they have but I think they are 2nd order and probably have a fairly involved construction with a large induction coil etc. I also own speakers which are 16 ohms. I have 8 ohm speakers with rock solid 8 ohm impedance curves. None of these even comes close to the inefficiency of the Von Schweickert 2s in the WAF system driven by 40watt PP amp. (yes I know too many speakers and even more feel free to make offers) . Yet Joe as my witness the VR2s play to levels I wouldn't characterize as eye bleeding in a fairly large room 24X 12 X9 but loud enough that my wife always turns the music down whenever she comes into the room. It makes no sense because an average attack of flatulance will overcome the SPL.
I know you have both spent a good deal of effort, time and money on ensuring the bazzing speed that is the essence of what I like about OTLs.
Yet The new tube amps I have, are output transformer coupled and I credit the size of the trannies in them for making the JMs with a " difficult load" during low frequency passages, sound effortlessly extended and clean As loud as I want. I want a lot sometimes around 95- 100db.
Ralph brace youself- Joe has another 60 watt amp but it weighs about 70lbs mostly trannies. I have not found the trannie compromise you mention, the detail, extension are great. I don't care for bone crushing bass below the 28 cycles the JMs are supposed to make. My 16 ohm speakers are vintage JBLs since you like CAR that should have a good idea of that type sound. They are 1959s still as loud as you can take it not distorted using El84 based low powered integrated amps of that era.
My question is why do amps rated at as little as 9 watts per side but with massive trannies make the speaker sing in all but the worst cases, which are generally planars that drop to an impedance equal to a dead short.