It is a scheme that uses only transistors, integrated circuits without, the latter being used only in the protections. Power, each piece uses 650W per one converted by filters, quick recovery and filtering of 40,000 micro. Wiring expensive model casings hbi, selected tracks, Ferrite, wire silver tefloane, screens, high heels, red lipstick and nail polish. Final floors have read 4 pairs of transistors and debits 150w on a load of 8 ohms. Amplifiers can get almost double, but have limited power it for health speaker. We made tests and comparisons auditions and I satisfied with the quality and amplified sound power.
The final floor features: THD = 0.009% at 1kHz 50W / 8 ohms, 92DBU noise, frequency band 20-20kHz with + - 0.5 DB, weighing 14.5kg each floor.

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