CHAPTER 1

Introduction

Thank you for purchasing a Sunfire Theater Grand Amplifier. We hope you enjoy it and the music it makes as much as we have enjoyed creating it for you.

The TGA-7401can produce 400 watts rms per channel into 8 ohms and 800 watts rms into

4 ohms.

The TGA-7201can produce 200 watts rms per channel into 8 ohms, and 400 watts rms into

4 ohms.

The big breakthrough is the uncanny tracking downconverter, which uses 18 Herculean Mosfets in the TGA-7401 and the TGA-7201. This allows the amplifier to produce phenominal power output, without the heat generated by conventional designs.

The circuit boards are heavy glass epoxy, double sided, with a Faraday shield on the back side. All resistors in the signal path are 1% tolerance, metal-film. Critical capacitors are film devices with high dielectric strength and ultra low absorption characteristics. An enormous power source built around a massive power transformer provides the ultimate muscle for limitless dynamics.

We could go on and on, but here’s the best part: we’ve included two kinds of outputs on the front left and front right channels:

(1)a standard voltage-source(i.e., near zero impedance) output for all typical applications and:

(2)a higher-impedance current-sourceoutput, which many prefer for electrostatic, planar mag- netic, or ribbon speakers, such as our Cinema Ribbon line. Or you can biwire your system with the voltage source driving the woofer(s) and the current source driving the upper part of the system. In many cases this provides by far the best possible interface between the amplifier and the speaker system.

Whichever way you decide to hook up the amplifier, it will create a multilayered soundstage that is deep, wide, three-dimensional, and utterly believable. The optional current-source output can coax forth a sensuous, delicately detailed musical voice long associated with low-powered classic tube amplifiers. (The current-source characteristic of vacuum tubes is the dominant factor in the sound- stage delivery of classic tube amplifiers).

User's Manual

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Sunfire TGA-7401-230, TGA-7201-230, TGA7401 manual Introduction
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TGA-7201, TGA-7401-230, TGA-7201-230, TGA7401 specifications

The Sunfire TGA series stands as a testament to cutting-edge audio engineering, with models like the TGA7401, TGA-7201-230, TGA-7401-230, and TGA-7201. Each of these amplifiers is meticulously crafted to cater to the needs of audiophiles seeking unparalleled performance and robustness in their sound systems.

The Sunfire TGA7401, for instance, boasts a powerful output of 400 watts per channel into 8 ohms, making it an excellent choice for driving demanding speakers. This model employs Sunfire’s patented Tracking Downconverter technology, which provides high efficiency while minimizing distortion. The low-profile design of the TGA7401 allows it to fit comfortably in AV racks without sacrificing operational power, ensuring that it can deliver high-quality sound in any setup.

Similarly, the TGA-7201-230 is designed for those who appreciate compactness without compromising audio fidelity. With its 200 watts per channel output, this amplifier is ideal for smaller setups or as an addition to a home theater system. The TGA-7201-230 features advanced thermal management systems that keep the amplifier cool during extended use, increasing durability and performance reliability.

The TGA-7401-230 presents a hybrid of power and flexibility, offering both balanced and unbalanced inputs. This feature allows users to integrate the amplifier seamlessly into various audio setups, whether it be for home theater or high-fidelity stereo listening. The inclusion of a sophisticated signal path and upgraded components ensures that the audio performance is always crystal clear, with an impressive dynamic range.

On the other hand, the TGA-7201 rounds out this impressive lineup with its combination of efficiency and streamlined features. It maintains a low total harmonic distortion rate, ensuring that listeners receive accurate sound reproduction, which is essential for both music and cinema experiences. The compact design enables it to be used in various environments, while still delivering the power necessary for an exhilarating audio experience.

Overall, the Sunfire TGA series exemplifies high-performance audio technology, bringing forth amplifiers capable of delivering clear, powerful sound. With their robust build quality, innovative technologies, and impressive specifications, models like the TGA7401, TGA-7201-230, TGA-7401-230, and TGA-7201 provide a premium listening experience for any audio enthusiast. Whether you are building a home theater or simply seeking to upgrade your audio setup, the Sunfire TGA series stands ready to enhance your listening experience.
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