Hi,
what are the pros and cons of tube I/V ?
Is only tube amplification possible after passive I/V, or also tube I/V that keeps output pin of DAC on virtual ground ?
I read about passive + tube = no feedback = no intermodulation distortion but also I read it is up to 1% harmonic distortion at FS from use of passive or tube ?
Or better discrete silicone ?
Just like to hear some opinions ...
what are the pros and cons of tube I/V ?
Is only tube amplification possible after passive I/V, or also tube I/V that keeps output pin of DAC on virtual ground ?
I read about passive + tube = no feedback = no intermodulation distortion but also I read it is up to 1% harmonic distortion at FS from use of passive or tube ?
Or better discrete silicone ?
Just like to hear some opinions ...
You can't say "no feedback = no IMD". Any nonlinear system will create IMD, and this includes tubes.
If you're feeling really adventurous and want proof of this, build yourself a diode I/V (that's right, use a forward biased diode without feedback) and measure the intermodulation. I guarantee it won't be zero - heterodyne radio receivers often use diodes in this manner as mixers, and the intermodulation is what makes them work.
If you're feeling really adventurous and want proof of this, build yourself a diode I/V (that's right, use a forward biased diode without feedback) and measure the intermodulation. I guarantee it won't be zero - heterodyne radio receivers often use diodes in this manner as mixers, and the intermodulation is what makes them work.
Bernhard said:Hi,
what are the pros and cons of tube I/V ?
High voltage, extra transformers, space..............
.... tube I/V that keeps output pin of DAC on virtual ground ?
What DAC are you using?
Or better discrete silicone ?
Better ask Pammie....
Re: Re: To tube or not to tube ?
Don't know yet.
poynton said:
What DAC are you using?
Don't know yet.
- Status
- This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.