Everything posted by spritzer
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i'm on a roll... the kgsshv
I'd have to agree with you there. The Carbon just does everything right... Edit: I should look into sleeping at some point...
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i'm on a roll... the kgsshv
All my boards are custom and for my own use only.
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VPN Service for streaming outside the US
I use playmo.tv to watch Netflix here as well as everything else.
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i'm on a roll... the kgsshv
You can lower the current and the amp performs well at 10mA but it's still a lot of heat. Now we could to a board which would fit some larger heatsink which could be mounted to a board (like the 717/727) but it would be pretty esoteric.
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Megatron Electrostatic Headphone Amplifier
Never call me that!!!!
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Megatron Electrostatic Headphone Amplifier
I just wouldn't dare running mains through the same umbilical as the other wires. It's just so Eddie Current and so much fail waiting to happen. Call me paranoid...
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Megatron Electrostatic Headphone Amplifier
What monster 12AU7's are those?
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Repair and restoration of my STAX SRA-12S
Are you sure that the channel is dead and it is not a switch issue? Measure the top of the large resistors for DC voltage. You should have roughly 0VDC between them and each one relative to ground is +290VDC. Replacement parts for the output devices are all but impossible to source. You need low Cob which is the truly hard part.
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Megatron Electrostatic Headphone Amplifier
Mine will feature a double mains wiring with a separate voltage selector in the amp chassis. Only way to do it properly. Yup, Supremes.
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Megatron Electrostatic Headphone Amplifier
While on the subject, the new Megatron board just arrived: Look Ma!!! Boutique caps!! Well that and a 12V filament for the front end, it's smaller and the ground plane is on both sides.
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The Headcase Stax thread
We should do a layout for this. Well that and the B10. SRPP magic or something like that...
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Megatron Electrostatic Headphone Amplifier
It's been discussed but why bother. The 300V line is already regulated.
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The Headcase Stax thread
SRPP with a 300V tube...
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The Headcase Stax thread
If you want to try and fix anything...then there is this: Jecklin Float amp.... Epic clusterfuck.
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The Headcase Stax thread
It can be improved but why bother, just build a KGST.
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i'm on a roll... the kgsshv
Bypass the Elma and see what happens. Those switches are notorious for corrosion and connection issues after a few years.
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i'm on a roll... the kgsshv
Yup, that is correct.
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i'm on a roll... the kgsshv
Yes but the heatsinks are extra...
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i'm on a roll... the kgsshv
No info just yet...
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The Headcase Stax thread
Self-destruct....
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i'm on a roll... the kgsshv
If you aren't scratching your head wondering how this will all fit then DIY is just too easy. On that note, a mini Carbon is in the works...
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The Headcase Stax thread
It hasn't shipped yet which is good for me.
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So many Stax DIY Amplifiers, which to choose?
Good point. A KGST psu and transformer could be used with the +15V just driving the power LED. A bit more opulence just for the fun of it...
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So many Stax DIY Amplifiers, which to choose?
It would also be easy to use the PSU built on the KGST boards. Just use a LM7918 and use a diode to lift up the ground for -19V or so.
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Point to point wiring
The Bourns 3590S are excellent and not too expensive.