Active acoustics of the old columns of type S-90
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Using the old Soviet-type speaker S90 can make a good active speakers for playback signal from the computer sound card or DVD-player.
Here is a description of the amplifier and power supply for active speaker, output power up to 50W.
Here is a description of the amplifier and power supply for active speaker, output power up to 50W.
1. Frequency range .... 20-25000 Hz.
2. Nominal output power at THD less than 0,1% ........... 30W.
3. Maximum O. Power ........ 50W.
4. Load resistance ............... From 8.
5. Input impedance ............. 50 kOm.
6. CED at O. power 5W .......... 0,01%.
7. The power supply network .............. AC 220V.
2. Nominal output power at THD less than 0,1% ........... 30W.
3. Maximum O. Power ........ 50W.
4. Load resistance ............... From 8.
5. Input impedance ............. 50 kOm.
6. CED at O. power 5W .......... 0,01%.
7. The power supply network .............. AC 220V.