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Gato Amplifier
Gato Perfect Symmetrical Amplification
A typical MOS-FET push-pull power output stage consists of both positive and negative polarized transistors. Because it is impossible to make two identically behaving transistors with opposite polarization, small differences in the electrical characteristics must be accepted. This compromise of imperfection will create an asymmetrical amplification with a different signature in the positive and in the negative signal response often resulting in audible distortion and listening fatigue.
The multiple transistor circuits may offer great power handling but return an asymmetrical and smearing of the time domain. In this "choir" of transistors, all of them are "singing" with a slightly different voice than its brothers and sisters. (Smearing the micro transients and disrupting the time domain.)
To solve the problem of the "bad choir":
The Gato Audio TwinFET
The simplicity of the TwinFET technology offers perfect time domain symmetry with a clean and clear overwhelming sonic performance instantly noticed.
The Gato Audio TwinFET amplifier is named from the design using two perfectly identical FET transistors that ensure perfect sonic timing, almost unlimited power and a perfect symmetrical high voltage swing. The TwinFET technology is sonically far superior to designs typically only focused on delivering voltage and current - not a perfect symmetrical time domain. Vacuum tube amplifiers use identical tubes in the output.
Tube amps can be designed with a single tube for positive swing and a single tube for negative swing. These amps have similarities to the TwinFET except for limited power.
To supply more power, output tubes are paralleled. This again creates a problem because of the difference between the tubes in the choir. Tubes have a finite life and start to deteriorate from the beginning. The problem is the deterioration curve is not the same on each output tube.
The Gato Audio TwinFET amplifier is named from the design using two perfectly identical FET transistors that ensure perfect sonic timing, almost unlimited power and a perfect symmetrical high voltage swing. The TwinFET technology is sonically far superior to designs typically only focused on delivering voltage and current - not a perfect symmetrical time domain. Vacuum tube amplifiers use identical tubes in the output.
Tube amps can be designed with a single tube for positive swing and a single tube for negative swing. These amps have similarities to the TwinFET except for limited power.
To supply more power, output tubes are paralleled. This again creates a problem because of the difference between the tubes in the choir. Tubes have a finite life and start to deteriorate from the beginning. The problem is the deterioration curve is not the same on each output tube.
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The Gato AMP-150
In my opinion, the AMP-150 (150 WPC) is the best integrated made at any price...Anyone who listens or owns one agrees. The integrated AMP-150's separate preamplifier is built from super low-noise, high-bandwidth parts. Special signal relays are located close to the input connectors for a short signal path rendering remarkably low levels of noise and distortion.The separate amplifier section features a JFET input stage, a separate power supply for the critical driver circuit and a single set (two per channel TWIN FET) of unique high-power MOSFET output devices (capable of 150 amps). The sound of the ultimate tube amps without the fuss. Heat, current and DC offset are under constant surveillance by a microprocessor protection circuit.
PWR-222 Mono Amps
If you need more power (output 250 Watts each – FET's capable of 500 Amps) or the absolute in sonic performance, look no further. It does not get any better than this, no matter what the price or claim is!