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radioam232 (November 30, 1999 at 12:00 am)
After this radio stage the signal has to be amplified to loudspeaker level. In this case by an audio amp of approx 1 watt. So no output transformer was used.
filthghoul (November 30, 1999 at 12:00 am)
Hi, do you have this directly connected to an 8 ohm speaker after the 220nF capacitor? Why don't you need an output transformer?
radioam232 (November 30, 1999 at 12:00 am)
Thank you. This tube has not a very "sheer" characteristic and does not amplify very much. Maximum anode voltage is 67 Volt. Perhaps with two 6088 stages after another (or one stage with 65 Volt plate Voltage and a too high signal level at the steering grid) you will get some clipping/distortion.
marscape1 (November 30, 1999 at 12:00 am)
Excellent series of videos. Could this tube be made to soft clip to use as a guitar pre-amplifier ?
roeldijkman (November 30, 1999 at 12:00 am)
yeah thanks mark, i am definitly gonna build my own amplifier now
MarksCoffeehouse (November 30, 1999 at 12:00 am)
Thanks for showing the schematic. 73, Mark |
