These are highly modular cable TV amplifiers, they are set up by using a wide range of different insert cards with different frequency ranges or options. These are 38 dB amplifiers in the range from 47 to 862 MHz. This particular amplifier is set up for 862 MHz, 42 channels and has a return path […]
Astro HVO-Vario G 38, teardown of a 862 MHz cable TV amplifier Read More »
The latest update to the 100 Watt 6P45S tube amplifier is about a lot of testing and fault finding that have gone into the tube amplifier. This is to correct noise and hum issues. It is now in a state where the audio amplifier itself is as stable as it will get. Further improvements lie solely on
100 Watt 6P45S amplifier update #2 Read More »
The latest update to the 100 Watt 6P45S tube amplifier is about the new printed circuit boards. The circuit boards was installed in the enclosure and a simple signal generator test was performed.
100 Watt 6P45S Tube Amplifier Update Read More »
The latest update to the 100 Watt 6P45S tube amplifier is the measurements of frequency response from square waves and bandwidth measurements. The prototype is now considered done as it has proved itself capable of outputting 210 Watt peak before clipping. At 100 Watt peak it have its -3dB points at 11 Hz and 72
100 Watt output from 6P45S tube amplifier Read More »