Everything posted by jose
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The making of a SuSy Dynahi
For me it is difficult to distinguish anything. Resistors look like Vishay RN60. I don´t think they deserve to be changed unless some are burned. Wires, I don´t use anything specific, just a cable with an adequate thickness and a good dielectric. For the audio signal I sometimes use shielded wire (for microphones or music instruments) sometimes I use Mogami, Canare or just the one available in the electronics/music instruments store of my city…. nothing esoteric. Edit: This is my opinion. Obviously you can use the material you think is appropriate.
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The making of a SuSy Dynahi
If you allow me, I would do all the wiring again. I don´t like having everything disorganized. There are many wires that cross, are very long or are placed directly on some components.
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What are you listening to Part the Third
Marillion "Afraid of sunlight"
- The (Round) Football Thread
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RIP someone or another
I´m so sorry... in all places there are monsters unfortunately. Descansen en Paz
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The (Round) Football Thread
I like how is playing Japan. Two nice goals
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And now what did you do TODAY?
After doing 80 km on bike this morning I took a car ride. Towards a year that I didn't drive without top.
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2018 PCB Group Buy with TKD pots
Thanks!!!
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Megatron Electrostatic Headphone Amplifier
Between the GG and the BH there are differences of "nuances", but both sound very similar. I can´t do a direct comparison with Megatron. They are very different animals.
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Megatron Electrostatic Headphone Amplifier
I'm not very good at describing sounds but you can imagine. Megatron has tubes in his pre-stage and this conditions su sound.
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What are you listening to Part the Third
Matt Lange "Ephemera"
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Megatron Electrostatic Headphone Amplifier
Updates: . With the E80CC has more gain. I think it is an improvement over the 6189. I like it much more with the E80CC. . JJ octett EL34 matched, off set is around 1~2volt. Balance 1~2volt too. It really deserves to invest in a completely matched octet (It's expensive but it makes up) Did I say that it runs very hot?
- Happy Birthday Justin!
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What are you listening to Part the Third
Beautiful voices. Saving the distances, it remember me at Crosby, Stills & Nash
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What are you listening to Part the Third
Coltrane Nice box with 5 cds.
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Part Sourcing Assistance/Advice Thread
I´m using the same kind of socket (but I prefer bakelite). So far I have not had problems. You can solder them to the Pcb without problem (always when you have a powerful soldering iron, about 25 / 30W). I recommend that when you solder them to the plate, you have a valve inserted. This will keep everything aligned.
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What are you listening to Part the Third
- What are you listening to Part the Third
Good offer, all his discography for 53€. I'm starting to consider buying music in digital format.- What are you listening to Part the Third
- and now for something completely different part 3
Trimpot is for output current adjust. I used +/- 23Vdc but you can use until +/- 24Vdc. If you are thinking of using just one trafo for the four channels you will need a huge trafo. For a balanced configuration I preferred to use two PSU's and two GRLV's Edit: I'm sorry, I was confused. I still have trouble distinguishing the names of these two amplifiers- Happy Birthday Kerry!
- Balanced to unbalanced board
Thanks Dr. Gilmore. It really is not that expensive either (an extra Opa and some more resistances). If it is as versatile as we want, what does it matter if something more expensive comes out? In addition, the unbal/bal works perfectly so it would be normal to have the buffer at the same level.- Balanced to unbalanced board
Buffer 2.0 is here:- Megatron Electrostatic Headphone Amplifier
I think that now it´s finished but I want to add a few resistor on the heaters filaments because I have 6.8vAC. Sometimes this happens to me with the Toroidy transformers. Front end tubes draw about 11,5mA. I was surprised that this amplifier has very little gain. On the other hand it makes up for it with a very pleasant and musical sound. I´m waiting a pair of E80CC for replacement the 6189.- What are you listening to Part the Third
Matt Lange, "Patchwork" - What are you listening to Part the Third
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