The "DC-problems" and my wish to solve it might be a try to "shoot sparrows with cannons".
By the way I have not tried to use BC 546 B for T3/4. I think that will be my last attempt and and then accept the DC level I have. It is by no way dangerouse for my loadspeakers (left better than right).
Eivind Stillingen
By the way I have not tried to use BC 546 B for T3/4. I think that will be my last attempt and and then accept the DC level I have. It is by no way dangerouse for my loadspeakers (left better than right).
Eivind Stillingen
Hi Eivind,
can you explain your dc problem a little clearer, what is happening that you do not like?
Nico
can you explain your dc problem a little clearer, what is happening that you do not like?
Nico
Are there any sources to Buy the 2SJ & 2SK mosfets?
Since sound quality will suffer without them 😉
Since sound quality will suffer without them 😉
Nico
My first measurement showed a unstable DC level that changed from 0 to 80 mV. I tried to match T3/4(MPSA 42). No results.
After using MJLs power to the front end, one channel have 0-10 mV. Very good. The other channel is still unstable. But as I said in my last post, it is nothing dangerous, and I will not loose my night sleep because of this.
By the way, our Danish member, Tommy, sent me this: http://www.diyaudio.com/forums/solid...uipment-7.html
Read post 66.
I have tried it. There was no light in the LED, but how mutch can one rely on a simpel circuit as this one??
Eivind Stillingen
My first measurement showed a unstable DC level that changed from 0 to 80 mV. I tried to match T3/4(MPSA 42). No results.
After using MJLs power to the front end, one channel have 0-10 mV. Very good. The other channel is still unstable. But as I said in my last post, it is nothing dangerous, and I will not loose my night sleep because of this.
By the way, our Danish member, Tommy, sent me this: http://www.diyaudio.com/forums/solid...uipment-7.html
Read post 66.
I have tried it. There was no light in the LED, but how mutch can one rely on a simpel circuit as this one??
Eivind Stillingen
AutoClassA
Here you can buy 2Sk134 and 2SJ49.
LittleDiode - Electronic Components Supplier
I find the price a little bit "stiff".
Eivind Stillingen
Here you can buy 2Sk134 and 2SJ49.
LittleDiode - Electronic Components Supplier
I find the price a little bit "stiff".
Eivind Stillingen
Correction
It was Karsten Søman from Denmark who brought the "oscillation detector", not Tommy. Sorry, Karsten.
AutoClassA
If you at any price wish to go for SK/SJ, it is "sellers marked" = exspensiv.
I use Exicon , and I am very pleased. Its more than half the price.
Eivind Stillingen
It was Karsten Søman from Denmark who brought the "oscillation detector", not Tommy. Sorry, Karsten.
AutoClassA
If you at any price wish to go for SK/SJ, it is "sellers marked" = exspensiv.
I use Exicon , and I am very pleased. Its more than half the price.
Eivind Stillingen
Hi, Liliya
Your link from post #1484 doesn't work, please check -> http://www.diyaudio.com/forums/solid...uipment-7.html
Thanks,
Tibi
Your link from post #1484 doesn't work, please check -> http://www.diyaudio.com/forums/solid...uipment-7.html
Thanks,
Tibi
Fojica
Hmmmm, for me no problems!!??
Try the threads adress:
http://www.diyaudio.com/forums/solid-state/112878-how-destroy-your-high-end-audio-equipment-7.html
Name of the threads:How to destroy your high-end audio equipment...
Post 66
Eivind Stillingen
Hmmmm, for me no problems!!??
Try the threads adress:
http://www.diyaudio.com/forums/solid-state/112878-how-destroy-your-high-end-audio-equipment-7.html
Name of the threads:How to destroy your high-end audio equipment...
Post 66
Eivind Stillingen
Some announcement about boards here :
http://www.diyaudio.com/forums/group-buys/175296-pcb-order-goldmun-clone-32.html#post2486406
please take a look. thank you for you attention.
http://www.diyaudio.com/forums/group-buys/175296-pcb-order-goldmun-clone-32.html#post2486406
please take a look. thank you for you attention.
Bigpanda
Drivers: I use MJE 340/350 (300 V) mostly because they were easy to get.
Alex: The devices you use for drivers are 150V transes. Have you read
"warnings" in #1318 and1321 about not use less than 180-200V types.
(This also depends on your power voltage).
Your PCB seems to be complited. Have you listen or done any measuring?
I am curious about others exsperience with the clone.
Eivind Stillingen
Drivers: I use MJE 340/350 (300 V) mostly because they were easy to get.
Alex: The devices you use for drivers are 150V transes. Have you read
"warnings" in #1318 and1321 about not use less than 180-200V types.
(This also depends on your power voltage).
Your PCB seems to be complited. Have you listen or done any measuring?
I am curious about others exsperience with the clone.
Eivind Stillingen
Yeh alex, everyone is waiting for your home brew 2N5565 to perform. Did you use alternatives for T21, T22 (same Q to Liliya).
Tks for the information Liliya.
BP
Tks for the information Liliya.
BP
If you can source them, BF469/BF470 or BF869/BF870 are a less evil replacement for the BSS parts than MJE3's.
At the driver quiescent current level of the GM design, MJE340/350 will be like mounting bricks on a Formula1 instead of slicks.
At the driver quiescent current level of the GM design, MJE340/350 will be like mounting bricks on a Formula1 instead of slicks.
Hey Alex:
What are/is the Romainian word(s) for pure unadulterated Jealousy
Mighty Fine Work in more ways than one...😉
Pure Sex😀
I just got my PCB from Bigpanda,and sorting of component is on the way.
As for the input fets, instead of 2N5565 I have 2N5452, and would like to know is there any compatible issue?
As for the input fets, instead of 2N5565 I have 2N5452, and would like to know is there any compatible issue?
Much lower transconductance, you'll loose a chunk of OL gain.
To check how much you'd have to look at the Yfs(Gfs)-Id curves.
To check how much you'd have to look at the Yfs(Gfs)-Id curves.
