ddmeltzer8

Estimable
Jan 25, 2017
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4,510
Hi.I have 2 vintage Radionette TK 18 S but I`m a bit confused about the specs.
This is what it says on the back -

Impedance = 40 OHMS
Max continuous load = 25w
Max peak load = 40w
Input (at 96dB) = 4w
Frequency range = 50-20.000 Hz

What wattage amp do I need run them from my pc?

Thanks.
 
Solution
You can't run them directly from your PC.
They will need an amplifier of about 25 -125 watts per channel into 8 ohms which will end up being 5-25 watts into 40 ohms. They will play pretty loud even with an amp at the lower end of the range.
These are pretty old speakers with an impedance which is rare today. They are safe to use with any amp.
You can't run them directly from your PC.
They will need an amplifier of about 25 -125 watts per channel into 8 ohms which will end up being 5-25 watts into 40 ohms. They will play pretty loud even with an amp at the lower end of the range.
These are pretty old speakers with an impedance which is rare today. They are safe to use with any amp.
 
Solution