pre-amp out to sub-amp (BD-Design)

by GC, Monday, August 22, 2005, 07:32 (6823 days ago) @ GC

Hi Francis,

I did use cheap parts to test now. What normally would be classified as
quality components in this area? I mean what kind of components?

MKP type of capacitors (or Beewax, paper in oil), air coils wound very tight, carbon resistors. Especially the capacitors which then will bring back more clarity.

I like to bring the level of details back from string instrument like
violin. I don't hear rock music. I am more in jazz, string quartets,
orchestrial, and human voice like opera.

You could play with the value for the resistor. If you reduce the value to half (8 ohms or even 4) then you can play with the brightness of the sound.

If the cut off is at around 250 Hz, does that mean the base driver needs
to cover only from say 35Hz to 250Hz, not 35Hz to 5KHz for example. I can
see a variety of these from local stores, mostly PA type and car audio use
base drivers, but they never mention any Thiele/Small parameters, just Watt
and Impedance.

With your choice of drivers I would choose ones with the capability to play up to 1-2kHz. For high quality drivers you'll need at least a range up to 500Hz for crossing at 250Hz.

Ciao,

Bert

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