This thread is in no way endorsed by Patrick and Xen-audio.
I need to point out that we are just a bunch of amateurs lucky enough to be able to have a stab at the Sen in a very DIY and amateur manner.
Readers should in no way associate our amateur efforts with the professional products of Patrick and Xen-audio.
That is not to say there are not some professional members amongst our group, no offence intended.
OK guys, looks like there is some interest in SEN implementation for our buffalos as an upgrade for the Legato 3.1
This is going to be quite a subject on its own so I thought to start a new and bring it out of Suffolk Tony’s huge Buffalo thread.
If you’re in agreement then I will trawl the big Buffalo thread and an start by posting the relevant links to DIYA and Xen etc.
Not sure of my direction yet but I am leaning towards DIY boards either strip or in my case etched.
I think in a group buy on boards is out of the question for obvious reasons but a GB for Jfets seems entirely logical.
Thanks to Needsp and NicMac for generating the interest.
Edit
Below is a kind pm from Patrick of Xen-audio regarding the situation with our playing around with his products.
Tony
I need to point out that we are just a bunch of amateurs lucky enough to be able to have a stab at the Sen in a very DIY and amateur manner.
Readers should in no way associate our amateur efforts with the professional products of Patrick and Xen-audio.
That is not to say there are not some professional members amongst our group, no offence intended.
OK guys, looks like there is some interest in SEN implementation for our buffalos as an upgrade for the Legato 3.1
This is going to be quite a subject on its own so I thought to start a new and bring it out of Suffolk Tony’s huge Buffalo thread.
If you’re in agreement then I will trawl the big Buffalo thread and an start by posting the relevant links to DIYA and Xen etc.
Not sure of my direction yet but I am leaning towards DIY boards either strip or in my case etched.
I think in a group buy on boards is out of the question for obvious reasons but a GB for Jfets seems entirely logical.
Thanks to Needsp and NicMac for generating the interest.
Edit
Below is a kind pm from Patrick of Xen-audio regarding the situation with our playing around with his products.
Tony,
Thank you for your PM.
The SEN Circuit and PCB layout is published, and in doing so I made it available to the public.
There have also been other people who scratch built the SEN circuit, so you are also welcome to do the same.
I also welcome you to publish photos of you build, just like the others.
There is already a working schematics.
Of course you have total freedom to publish an alternative in a public forum like this.
But I think you will also understand that I shall not comment, or wish to be linked in any way, unless I see something fatal.
If I were to make any comments, people will immediately have the wrong impression that I am involved, or at least endorsing that design.
And we make it a rule not to do so, above all since we have no time to check every other layout experimentally to make sure there are no problems.
Sometimes silly things like buzz that Paul has (which we suspect is a Grounding problem of the TPA PCB).
If you just want to test, then I think you are better off with P2P wiring.
If you want proper build, then you should use a decent PCB.
In any case, I advise you to thermally couple the JFETs for minimum DC offset.
So please go ahead and enjoy the circuit.
But please try not to link our name to any work that you might want to undertake.
We shall make encouraging statements when you publish photos, etc.
But we shall not say anything about your PCB design, or build, or else.
We did the same to Paul and the Nic, BTW. So we treat everyone the same.
As I also mentioned in the thread, we shall investigate into a complete XEN Audio 9018 solution.
Best regards,
Patrick
Tony