The UCD400 is rated for (min)45vdc to (max)63vdc as per the Hypex Datasheet.
I am currently running my 400's off the Exodus UCD400 1KVA toroid (2x40vac secondaries) w/ a Hypex SupplyHG which puts out a nominal 57vdc at 46vac input (mine get 40vac).
Question 1 - Given a typical power supply would that extra 6vac make a difference in gain?
Question 2 - Should I expect any performance changes if I replace the toroid and the supply HG with a coldamp SPS80 at 60vdc?
These may be dopey questions but I'd appreciate an opinion or two before I let all the magic blue smoke out of my UCD's 😀
Thanks,
Tom
I am currently running my 400's off the Exodus UCD400 1KVA toroid (2x40vac secondaries) w/ a Hypex SupplyHG which puts out a nominal 57vdc at 46vac input (mine get 40vac).
Question 1 - Given a typical power supply would that extra 6vac make a difference in gain?
Question 2 - Should I expect any performance changes if I replace the toroid and the supply HG with a coldamp SPS80 at 60vdc?
These may be dopey questions but I'd appreciate an opinion or two before I let all the magic blue smoke out of my UCD's 😀
Thanks,
Tom
My 2 cents...
From my experience, supported by some posts here, you will find a very noticeable improvement by changing your linear PSU to a coldamp switching one, specially a deeper bass. I started with their BP4078 modules and a linear PSU and found a big difference when I updated the system to coldamp SPS80. I think it is due to the faster response and regulated output, that makes voltage very estable even with very current demanding bass notes.
Hope this helps.
From my experience, supported by some posts here, you will find a very noticeable improvement by changing your linear PSU to a coldamp switching one, specially a deeper bass. I started with their BP4078 modules and a linear PSU and found a big difference when I updated the system to coldamp SPS80. I think it is due to the faster response and regulated output, that makes voltage very estable even with very current demanding bass notes.
Hope this helps.
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