Hello. After some time away from DIYAUDIO, here I am again.
I revive the question asked a few years ago.
It's about the phono preamp posted on TNT.
Solidphono TNT. (They say it is based on the Lehemann Black Cube circuit)
I have built it many years ago and it seemed excellent in its performance.
But I have found a post of a phono pre based on this one from TNT. But with the RIAA network divided. It is still passive RIAA, with some different value. (I have simulated it in LTSpice and the response is almost flat)
I have built it but using the IC THAT 1510 in the first stage.
Of course on homemade PCB.
Sounds like a very good phono stage to me. One of the best I have ever had.
Here I return to the question:
Has someone built this phono stage?
Someone is encouraged to test your construction and see if I am right that it is good?
I revive the question asked a few years ago.
It's about the phono preamp posted on TNT.
Solidphono TNT. (They say it is based on the Lehemann Black Cube circuit)
I have built it many years ago and it seemed excellent in its performance.
But I have found a post of a phono pre based on this one from TNT. But with the RIAA network divided. It is still passive RIAA, with some different value. (I have simulated it in LTSpice and the response is almost flat)
I have built it but using the IC THAT 1510 in the first stage.
Of course on homemade PCB.
Sounds like a very good phono stage to me. One of the best I have ever had.
Here I return to the question:
Has someone built this phono stage?
Someone is encouraged to test your construction and see if I am right that it is good?
Attachments
The SSM2017 is obsolete and has been replaced by the SSM2019. It also has large bias currents and high current noise, so not a great choice for a MM preamp. Its very low voltage noise would make it a good choice for a MC preamp though, but is of no utility for MM when the current noise is 2pA/√Hz. NE5534A would beat it hands down for MM.
If you have one of these devices I'd suggest adapting the front end for a MC input to get the best from it. The SSM2019 has somewhat lower bias currents, but the current noise figure hasn't changed in the datasheet. The noise parameters are only given as "typical" so don't expect it to be tested for in production.
If you have one of these devices I'd suggest adapting the front end for a MC input to get the best from it. The SSM2019 has somewhat lower bias currents, but the current noise figure hasn't changed in the datasheet. The noise parameters are only given as "typical" so don't expect it to be tested for in production.
Thanks for answering. When you do the first circuit, use the SSM2019. for my ears it performed better than others I compared (Project Phonobox, P06 ESP, VSPS400, Yamaha AX 396).
Now I have made the version that I show in Simonov's PDF document. The difference is that I use THAT1510.
For me it continues to surpass the aforementioned.
I am amazed by the excellent transistories, the clarity, the setting.
But I admit that this may be subjective.
I wonder if these ICs are not suitable (SSM) because Lehemann preamps use SSM and THAT.
Greetings.
Now I have made the version that I show in Simonov's PDF document. The difference is that I use THAT1510.
For me it continues to surpass the aforementioned.
I am amazed by the excellent transistories, the clarity, the setting.
But I admit that this may be subjective.
I wonder if these ICs are not suitable (SSM) because Lehemann preamps use SSM and THAT.
Greetings.