
( Brand: Sansui ), ( Model: AU-777A ), ( Type: Integrated Amplifier ), ( Country/region Of Manufacture: Japan )
The AU-777A Sansui Integrated Amplifier is a classic piece of audio equipment that has been meticulously serviced to ensure optimal performance. This amplifier, manufactured by the renowned Japanese brand Sansui, is a testament to the high-quality craftsmanship and audiophile-grade components that were once the hallmark of Japanese electronics.
The AU-777A is a powerful integrated amplifier, capable of delivering up to 60 watts per channel into 8 ohms, and 95 watts per channel into 4 ohms. It features a dual-monaural design, which separates the left and right channels to minimize interference and improve sound quality. The amplifier also includes a preamplifier section, allowing for the connection of various sources, such as vinyl turntables, CD players, and digital audio devices.
The AU-777A's circuitry is a masterclass in vintage design, with a class AB power amplifier stage and a high-quality phono stage. The preamplifier section features volume and tone controls, as well as an input selector switch for easy source switching. The amplifier's power supply is robust, with a large transformer and capacitors to provide stable power to the amplifier stages.
The amplifier's box schematic has been thoroughly reviewed and serviced to ensure that all components are functioning properly. Any worn-out or faulty parts have been replaced with high-quality equivalents to maintain the amplifier's performance and reliability. The amplifier's cosmetic condition has also been restored, with any scratches or dents being carefully smoothed out to give it a like-new appearance.
In summary, the AU-777A Sansui Integrated Amplifier is a powerful and versatile piece of audio equipment that has been meticulously serviced to ensure optimal performance. Its vintage design and high-quality components make it a great choice for audiophiles who appreciate the sound quality and craftsmanship of classic audio equipment.
Pros of buying a AU-777A Sansui integrated amplifier:1. Vintage appeal: The AU-777A has a classic, retro design that may appeal to audiophiles who appreciate vintage technology.
2. High-quality components: Sansui was known for using high-quality components in its audio products, and the AU-777A is no exception.
3. Wide range of inputs: The amplifier has a variety of inputs, including phono, line, and tape, which can accommodate a wide range of sources.
4. Serviced: If the amplifier has been serviced, it should be in good working order and free of any mechanical issues.
Cons of buying a AU-777A Sansui integrated amplifier:1. Age and wear: The AU-777A is an older amplifier, and as such, it may have suffered wear and tear over the years. This could result in issues such as crackling, popping, or humming sounds.
2. Limited power: The AU-777A has a maximum power output of 70 watts per channel, which may not be sufficient for some modern speakers.
3. Limited compatibility: The amplifier may not be compatible with some modern sources, such as digital audio players or streaming devices.
4. Maintenance and repair: Older amplifiers can be more difficult to repair and maintain than newer models, which can be costly and time-consuming.
Conclusion:The AU-777A Sansui integrated amplifier is a classic piece of audio equipment with a vintage appeal and high-quality components. However, its age and limited power output may make it less suitable for some modern audio setups. If the amplifier has been serviced, it should be in good working order, but it may still require regular maintenance and repair. Ultimately, whether or not to purchase the AU-777A depends on your individual needs and preferences.
Recommendation:If you are looking for a vintage-style amplifier with a wide range of inputs and high-quality components, the AU-777A Sansui integrated amplifier may be a good option for you. However, it is important to do your research and ensure that the amplifier has been serviced and is in good working order before making a purchase. Additionally, consider whether the amplifier's limited power output and compatibility with modern sources will be a problem for your audio setup.
Super rare unit, great addition to any collection. 5mv mic, 2 mamma 140mv din line signal to noise ratio: 85db 80db ,85db channel separation: 50db output: 150mv 30mv speaker load impedance: 4 dimensions: x inches. Re-listed due to non-paying buyer Sansui AU-777A integrated amplifier beautiful condition. Work perfect and sounds amazing.
5 damping factor: 15 input sensitivity: The AU-777A was successor to au-777 and added mid range controls an already terrific amplifier. Done some basic servicing on this unit, oxidized all pots and switches, replaced burnt out power bulb main fuse, cleaned up front face plate.
As you can see on this unit it is labeled 220v but built into these amplifiers an interior switch that be switched to 117v for use here in the states. I also have the matching tu-777 tuner for sale. Make me an offer on both together if you'd like. By far the most complete one of these units to have been offered for sale on in quite some time.
Specifications: power output: 30 watts per channel into stereo frequency response: 20hz to 70khz total harmonic distortion: it includes the original box packaging foam, as well schematic and double-sided laminated component info sheet.