Urgh...????!!!
Well, to my ears it sounds pretty good - infact great!
My reference system: (just to prove I am not cooky) 😀
Kiseki Purpleheart Sapphire MC cartridge
Ortofon MC Rondo Blue
vdH MC10 (modded)
SME 3012 SII arm with uninterrupted Cardas cabling
Rega RB300 (modded) arm
Dewaudio Credence turntable
EAR 834P Signature phonostage
Valve Audio Exclame 100 hybrid amplifier
B&W Preference 6 floorstanding monitors
vdH CS122 Speaker Cable
Nordost Blue Heaven Interconnects
Dewaudio Blue Savanna Shielded power cords with power bus
The noise has cleared up a bit since my adjustments inside today.
Dewald
Well, to my ears it sounds pretty good - infact great!
My reference system: (just to prove I am not cooky) 😀
Kiseki Purpleheart Sapphire MC cartridge
Ortofon MC Rondo Blue
vdH MC10 (modded)
SME 3012 SII arm with uninterrupted Cardas cabling
Rega RB300 (modded) arm
Dewaudio Credence turntable
EAR 834P Signature phonostage
Valve Audio Exclame 100 hybrid amplifier
B&W Preference 6 floorstanding monitors
vdH CS122 Speaker Cable
Nordost Blue Heaven Interconnects
Dewaudio Blue Savanna Shielded power cords with power bus
The noise has cleared up a bit since my adjustments inside today.
Dewald
Mooly said:
This looks nice!
Where exactly should I pop in the cap? Between emittor and ground?
D
It should sound good, the bandwidth is so extended that R.F. pickup is a real posibility.
Are you still having trouble with the "hum".
Nice system by the way-- I am a big B&W fan -- 703 floorstanders currently 🙂
Are you still having trouble with the "hum".
Nice system by the way-- I am a big B&W fan -- 703 floorstanders currently 🙂
Soldered from the collector of the output to ground (But it has to be the correct bit of ground) . If you are still interested I can post some "guidelines" on earthing and layout when I get chance.
Ah - the 703's. My P6's are the great grandfathers of those... with the tweeter on top!
Yes please - I am interested in your earthing guidelines.
I have not yet attached the transformer, only the battery. Sorry, it is a bit hecktic this side so all this happens between all the other things... I am so tired where I am sitting here - going to take a hot bath and sleep.
My audio system have evolved drastically over the past 10 years. I usually only keep a t/t for 6 months... he-he!
The amplifier is the real star in the whole system as it is hand-built by a friend of mine. Uses FET's in the output with a 6922 tube in the pre-stage. 100 watts per channel rising to 550 into 1 ohm.
D
Yes please - I am interested in your earthing guidelines.
I have not yet attached the transformer, only the battery. Sorry, it is a bit hecktic this side so all this happens between all the other things... I am so tired where I am sitting here - going to take a hot bath and sleep.
My audio system have evolved drastically over the past 10 years. I usually only keep a t/t for 6 months... he-he!
The amplifier is the real star in the whole system as it is hand-built by a friend of mine. Uses FET's in the output with a 6922 tube in the pre-stage. 100 watts per channel rising to 550 into 1 ohm.
D
can we see
some picture of your construction mooly ????
thats kind of strange and makes me wonder why my prototype wasmaking trouble....
is it the same schematic like the original posted by dutch or you made any mods to it ????
thats really strange
and also after all did you listen to this ???? and how was it ???
some picture of your construction mooly ????
thats kind of strange and makes me wonder why my prototype wasmaking trouble....
is it the same schematic like the original posted by dutch or you made any mods to it ????
thats really strange
and also after all did you listen to this ???? and how was it ???
Hello 
,
Should have done that really. I knew someone would want a viewing. Actually you really really dont want to see it. O.K. then you do but it will be tomorrow this time.
Just a point on the oscillation, it was the kind where even bringing your hand near to it would stop it. A classic case of how not to build something 😀 😀 . Well I wasn't going to design and etch a PCB now was I.
Post it tommorow all being well.
,Should have done that really. I knew someone would want a viewing. Actually you really really dont want to see it. O.K. then you do but it will be tomorrow this time.
Just a point on the oscillation, it was the kind where even bringing your hand near to it would stop it. A classic case of how not to build something 😀 😀 . Well I wasn't going to design and etch a PCB now was I.
Post it tommorow all being well.
As per GD circuit earlier. Only difference is a 15 ohm instead of a 20 and ancient 2SD something or other 😀 . Very old, an audio output from 20 odd years ago. I did have a 2N3055 but it's easier with a flat pack. Thats a shocking thing to say isn't it 😱
Oh yes the 15 ohm --- nice and inductive --- well you have to build to the "if it will work with that it will work with anything" principle. I hope you are NOT reading this GD 😉
Oh yes the 15 ohm --- nice and inductive --- well you have to build to the "if it will work with that it will work with anything" principle. I hope you are NOT reading this GD 😉
Mooly said:
He-he! I guess so... yes...
My idea also was to create a circuit like the triode tube circuits - plain and simple.
D
i used
22r cause 20 i didnt have amd also a toshiba 2N3055....
will try that also with some other transistors ....
still mooly do you have any listening impressions ??????
and also to be some assist to the dutch did your prototype produced any buzz ???? cause i thing it didnt
so it all ends up that the dutch has a ghost ground to solve ha ha ha ha ha
22r cause 20 i didnt have amd also a toshiba 2N3055....
will try that also with some other transistors ....
still mooly do you have any listening impressions ??????
and also to be some assist to the dutch did your prototype produced any buzz ???? cause i thing it didnt
so it all ends up that the dutch has a ghost ground to solve ha ha ha ha ha
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