audio amplifier as a power generator (instruction)

[dxer_87]

If too loud for a standard potentiometer use two mono potentiometres or lock one channel adding resistor to potentiometer, use 560k or 680k r1, use r5 1,5mohm-2mohm.

This is nisma for paulos baby that inflicts AnTiGo function (ac grid line noises/sabotage).

[dxer_87]

if nisma used, burner circuit goes to load after messing with the right channel. the neutral input/output goes to diode first.

[dxer_87]

We were using boombox as a part giver mostly, but it can be used as an independent system.

My proposition not mentioned in file is to use TV antenna RF amplifier power supply transformer for loop (TS2) with dynamic key and add heatsink for audio amplifier IC. There are special heatsinks for DIP IC casing, but you can add any piece of aluminum via double-sided adhesive tape (the thick one are good).

[dxer_87]

Corrected version of boombox instruction.

Instead of metal rod for coil, you may use 8mm bolt or freezer door seal 12cm long - flexible version.

[dxer_87]

Erratum:
1. in 3 phase system : Signal for con duo's phase correction minus should be taken from minus of power supply.
2. it may be enough to give 10k resistor on a cap (also 10mH choke in some types), under capacitance 220uF microchip of a cap allow 3,3k.
3. a 'flamenco' solution can be used to energize the power supply, that means using another multi-tapped transformer connected to main different ways and via bridges or diodes energize points on amplifier pcb.
4. exchanging caps (ceramic and poly too) to higher values (typically 3/5 times) and resistors to lower values (typically 30-50% less) may give better effectivity out of a system.
5. if you energize the chassis by turn up, rather don't use live as a source, opening caps will probably still work. if you use turn up solution, you may try connecting differet point of pcb via 68-120nF caps to energize those points (if the sound does not change much). This method I often call U.S.A. :-).
6. cleaned from dust board, transformer and chassis may be energized up to 5-8% by sending light onto it (led lighbulbs or straps are fine). so if lighbulbs are used in the system, put them inside the cover. this method works with older stuff especially.
7. in my solution for speaker add 1k resistor between plus and base.

Bye!

Dxer :-).