Power Amplifiers
Ianus Series: Essentia
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Ianus Series: Geminae
✓ Power (Class A operation) : 130W @ 8ohm 260W @ 4ohm ✓ Stable down to 1 ohm ✓ Zero feedback design ✓ Gain: 32db ( 28-24-20-16-12db gain switch using TVC system) ✓ SNR: 100db ref 0db ✓ Full power bandwidth: 10Hz-60Khz (upper range limited with oscillation prevention limiters) |
This is a Class A amplifier, using a floating circlotron using TriodeFet elements as output stage devices. Power delivery is 130W @ 8ohm 260W @ 4ohm while never leaving true Class A operation, even at very low loads. In contrast to the majority of “Class A” amplifiers, (which are biased at 1-3A max) where they only deliver a fraction of their rated power in Class A mode, the Geminae is a true Class A design.The active elements never go into cutoff even at full power at 4ohms.
We called this topology a Super-Symmetric Self-Balancing inductively driven Circlotron. Zero feedback loops are used, either local or global.The floating circlotron is self-centering/balancing and does not need any long term adjustment or DC servos to stabilize, constant bias adjustmnent or correcting mechanism to eliminate DC voltage offset at its outputs. The AC decoupling of the stage is accomplished using custom super-spec capacitors. These special capacitors have internal resistance (ESR) less than a piece of copper wire (less than 2mohm), and are designed to be able to surge to 30,000A max. They are the most transparent capacitors associated with current delivery.
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Heisenbergs
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MAXs
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