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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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SET Asylum Single Ended Triodes (SETs), the ultimate tube lovers dream. |
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In Reply to: Why Passive Preamp? posted by adjieda on October 5, 2011 at 19:15:24:
Well for one, to the person using a passive preamp in their system, it might just sound good to them.I think for me, the fact that most sources can drive amps to clipping if connected direct says a lot about the fact that there is already enough gain available. Why add more? The real issues that will determine whether a passive preamp is ideal in your system have to do with impedance matching (which also affects how an active linestage will interact with your system as well). I think the previous post by Tre outlines this nicely. However, in my experience I can easily say a passive preamp can sound every bit as dynamic as an active preamp, while being more pure and true to the source.
Now I have a system that is very passive friendly. I have at my disposal a few different types of passive preamps: resistive, autoformer (Slagle), and LDR. My favorite is the LDR. I don't necessarily buy into the argument that TVC or AVC types are better. They might have their advantages, but so do the others.
One other option that allows you to not add gain to your system while eliminating the impedance issues is to use a buffered unity gain preamp. There are many fine ones out there: The Truth, Pass B1, Dodd Audio, Burson, etc.
There is a good article by Nelson Pass worth reading. Click on the link below and then scroll down a bit until you locate the title of the article.
Edits: 10/05/11
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- RE: Why Passive Preamp? - clio09 22:31:32 10/05/11 (0)
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