Everything posted by spritzer
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Megatron Electrostatic Headphone Amplifier
That filament was always supposed to be DC powered but 12VDC operation would have been a better idea in hindsight or even running them at 25V. My plan for this one is to run it off a BH power supply with it and the power transformer in a separate chassis. The amp chassis will also have to have mains running to it as the filament windings for the CCS tubes need to be as close as possible to the tubes. So that will be 4 transformers for this one and all in the largest Galaxy cases. Half the size of the ESX for a far more complicated amp... should be fun....
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2012 HC Holiday Gift Exchange
Hehe, I have a feeling our gifts will be a bit out of the ordinary... You have a PM incoming..
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Megatron Electrostatic Headphone Amplifier
I do have one RK27 sitting here so I might use it but I just got these lovely PCB's for the Alpha pots that I'm dying to use...
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Megatron Electrostatic Headphone Amplifier
Here is something indeed a bit different... http://imgur.com/QfqFu'>
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2012 HC Holiday Gift Exchange
Go team electrostatic!!!
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i'm on a roll... the kgsshv
Assuming you are running the LED at 20mA you can just feed the 12VDC off the +15VDC line through a 150ohm resistor.
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SRM-T1 Bias Adjustment
The only thing to add is this:
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What are you EATING right now?
Kevin did buy that as he's getting something else for Christmas. I can supply you but the shipping isn't exactly cheap even with DHL,UPS and Fedex offering discount rates.
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krell ksa5 klone
I still think Krell just had a few thousand of those CDE caps sitting there and decided to cram the amp full of them...
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krell ksa5 klone
Yeah sane thing here. I'll just stick with the Panasonic's and waste the rest of the money on the Megatron PCB heading my way...
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krell ksa5 klone
The amp board is just about ready so I'll probably be ordering prototypes before Christmas.
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What are you EATING right now?
- krell ksa5 klone
One likes his film caps...- i'm on a roll... the kgsshv
It's on the HV line so that would be the most obvious point of failure. As to why it's happening it can be any number of things.- 2012 HC Holiday Gift Exchange
- i'm on a roll... the kgsshv
You can clean the DACT by taking it apart but it will never be truly noise free. Those plastic housings are just about useless...- Part Sourcing Assistance/Advice Thread
Stax have used the same Omron relay since the 90's with no issues I've heard of.- Blue Hawaii Special Edition
Silver is cool...- Deals
Fuck!!!! I don't need more headphones... I don't need more headphones...- Blue Hawaii Special Edition
The ECL86 stocks are dwindling but they still can be found. Sennheiser have dropped them as replacements for the HEV90 for the PCL86 which require rewiring of the amp boards. "Something" happened in 2005 which made them react like that... The HE90 doesn't really care for amps that are too honest. It is a highly flawed transducer engineered for a certain sound so I'd use the Aristaeus with it.- The DIY Electrostatic amp thread
If you take care with the grease application and isolate the screw then it should be just fine. This is how Stax did it on the SRM-T2...- Koss ESP-950 Stax Recable
They fit perfectly in all Stax sockets so no need to worry.- The DIY Electrostatic amp thread
The sinks are not grounded so you can just use the shoulder bits for the screw and plenty of goop.- The DIY Electrostatic amp thread
That's what I've been using for years now. Runs a bit cooler.- The DIY Electrostatic amp thread
The went holes will help but it is also a good idea to lift the sinks off the board a bit. - krell ksa5 klone
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