My thought was to build the Aleph 1.2s and drive the panels of the Monoliths with them and the 12 inch drivers with a 200 watt Yamaha AB amp. Then, when I got the balls to build an X1000, those would drive the panels, Yamaha on the bottom, and the 1.2s on the two subs, each with Martin Logan 12" drivers...same drivers they use in the Statement.
I agree, it's a bit of a waste, but don't you think the X1000 would sound decidely better on the panels than the Alephs? Kent at Pass Labs seems to think so.....I'm really confused on what to do now. I didn't know the 1.2 had that tonal characteristic. Electrostatics need tube-like sound - not tinnie dark sound. However, the Aleph 2 would definately be underpowered. Ther
I quit! Wait, I remember Wayne at Pass telling me that putting 5 MOSFETS at the (driver stage) makes the amp dark....instead of only 2 like the original schematic. I think this may be where you guys are getting misled....there is some guy in Japan that preferred this set up, so they made an upgrade for the schematic...you can see in the Service Maunal for the 1.2.....but WAyne warned against this because of what it did to the sound.
Besides, Stereophile thinks the 1.2 is the best amp ever!
🙂
I agree, it's a bit of a waste, but don't you think the X1000 would sound decidely better on the panels than the Alephs? Kent at Pass Labs seems to think so.....I'm really confused on what to do now. I didn't know the 1.2 had that tonal characteristic. Electrostatics need tube-like sound - not tinnie dark sound. However, the Aleph 2 would definately be underpowered. Ther
I quit! Wait, I remember Wayne at Pass telling me that putting 5 MOSFETS at the (driver stage) makes the amp dark....instead of only 2 like the original schematic. I think this may be where you guys are getting misled....there is some guy in Japan that preferred this set up, so they made an upgrade for the schematic...you can see in the Service Maunal for the 1.2.....but WAyne warned against this because of what it did to the sound.
Besides, Stereophile thinks the 1.2 is the best amp ever!
🙂
Sell the ML's and buy speakers that are lower wattage friendly.
Then you have a whole range of amps that you could build, and
more than likely with success!
The Zen series comes to mind, well documented and lots of help
here on the Forum if you need it.
You don't need to build a 1,000 watt amplifier to get the satisfaction
of having built something yourself...
The amp i'm proudest of is 5 watts, and has no case! 🙂
Good luck in your quest, whatever you decide.
Then you have a whole range of amps that you could build, and
more than likely with success!
The Zen series comes to mind, well documented and lots of help
here on the Forum if you need it.
You don't need to build a 1,000 watt amplifier to get the satisfaction
of having built something yourself...
The amp i'm proudest of is 5 watts, and has no case! 🙂
Good luck in your quest, whatever you decide.
I'm not quite sure how to interpret your post, but rest assured that if you want a tube-like solid state amp, the Alephs are good candidates. Do they sound exactly like tubes? No. But they definitely lean in that direction.
An X compared to an Aleph? Cooler, drier, whatever term you want to use. Alephs are very warm sounding amps. An X1000 would give you a lot of power, but with a very different tonal characteristic.
For what it's worth, the Alephs make nice bass amps. I use a pair of Aleph 2s on my woofer panels in the big system, meaning from about 60Hz to 250 Hz. Yes, they run hot, but that's the nature of the beast. A waste? Depends on your point of view. Waste of heat? Maybe. Waste of sound quality? No.
Grey
An X compared to an Aleph? Cooler, drier, whatever term you want to use. Alephs are very warm sounding amps. An X1000 would give you a lot of power, but with a very different tonal characteristic.
For what it's worth, the Alephs make nice bass amps. I use a pair of Aleph 2s on my woofer panels in the big system, meaning from about 60Hz to 250 Hz. Yes, they run hot, but that's the nature of the beast. A waste? Depends on your point of view. Waste of heat? Maybe. Waste of sound quality? No.
Grey
Probably a redundant comment but why not build 4 AX 200's and bi amp the panels....the utlimate in tonality and dynamics and its doable for a diyer.
The X 1000 is otherwise a lot of wasted power on a speaker with otherwise inhibited dynamic range.
Ian
The X 1000 is otherwise a lot of wasted power on a speaker with otherwise inhibited dynamic range.
Ian
any Aleph
Why not start with any Aleph?
This design is easily scalable from 1 pair of Mosfets per channel
to infinite pairs!
Build a stereo Aleph3 -> bridge it -> add Fets -> voilá
Uli
Why not start with any Aleph?
This design is easily scalable from 1 pair of Mosfets per channel
to infinite pairs!
Build a stereo Aleph3 -> bridge it -> add Fets -> voilá
Uli
lumanauw said:
This is not quite right. A MOSFET's capacitance is typically characterized as: Cgs, Cgd and Cds. In a follower configuration, Vgs is almost constant, while Vgd changes quite a lot. The effect of Cgs is thus very small, and devices are typically optimized for low Cgd. Since the voltage at the drain is constant, you don't get into multiplicative effects either. I would thus base calculations on desired voltage swing (in X, half of it since it is balanced) and total Cgd + any parasitics you might want to model.
Also, please note that devices are typically characterized in terms of gate charge, and the apparrent capacitance is greatly reduced as the Vgd becomes larger.
I did a similar calculation on my Stax electrostatic headphones before deciding on required standing current.
Petter
Probably a redundant comment but why not build 4 AX 200's and bi amp the panels....
Wouldn't I only need 2 AX 200's? Why four? If I had four, would that be 400 watts per channel? Please explain.
Thanks
C😕
Wouldn't I only need 2 AX 200's? Why four? If I had four, would that be 400 watts per channel? Please explain.
Thanks
C😕
GRollins said:
Thanks for the help. I'm being told that the 1.2 has a dark sound to it....is this more like a tube or less like a tube amp? Is the "dark" sound a deal breaker?
Chris
Wouldn't I only need 2 AX 200's? Why four? If I had four, would that be 400 watts per channel? Please explain.
I assumed from an earlier post that you can bi amp your speakers.
Bi amping has the effect of being additive to the total crest voltage seen by the speaker and if the crossover point is about 300 hertz this produces approximately 6 db gain in acoustic output.
ie 200 +200 watts equates to 800 watts.
Regardless, your safest bet is to start at a moderate power level and then scale up.
Ian
I assumed from an earlier post that you can bi amp your speakers.
Bi amping has the effect of being additive to the total crest voltage seen by the speaker and if the crossover point is about 300 hertz this produces approximately 6 db gain in acoustic output.
ie 200 +200 watts equates to 800 watts.
Regardless, your safest bet is to start at a moderate power level and then scale up.
Ian
I came to this thread through the search, and I was wondering if Clarkcr at the end built his amp? Aleph or X?
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