- This topic has 3 replies, 3 voices, and was last updated 5 years ago by
.
-
Posts
-
Regarding the Stage 3 Booster, as a buffer what are the input and output impedance s?
As you know, impedance varies depending on the circuit design, signal loading and frequency. In general, all buffers have a high input impedance and a low output impedance. You can find more information on how to calculate these values here:
http://www.sengpielaudio.com/calculator-InputOutputImpedane.htm
Wilkie, Thanks. My understanding is that buffers are best with 1 meg at the input and 100 ohm at the output. Just wondered how the Stage 3 compared.
Hi Stevie K,
I think 100ohms as a guideline in our situations is more than adequate but would require an opamp buffer.
All of our circuits feature a 1M resistor at the input.
We carry opamp versions as you know. That said the simple fact is they all will work great. If you want an exact number you will have to measure it but it will be in the 100’s of ohms. More than awesome.
Let us know your results.
From Jack Orman at AMZ:
“An opamp is an even better buffer amplifier, though many believe they are somewhat colder sounding and more sterile than the transistor versions.”
Again we carry both types in various formats. I hope that helps.
- You must be logged in to reply to this topic.