
( Brand: Yamaha ), ( Manufacturer Part Number: CB620840 ), ( Type: Knob ), ( Color: Black ), ( Compatible Model: R-8 )
The Yamaha CB-620840 R-8/R-9 A-1000B Natural Sound Stereo Receiver is a high-performance audio component designed to deliver exceptional sound quality for music and home theater applications. This receiver is part of Yamaha's R-series, which is renowned for its natural, detailed sound reproduction.
At its heart, the R-8/R-9 A-1000B Receiver boasts a discreet 5.1-channel design, capable of delivering up to 100 watts per channel (8 ohms, 1kHz, 1% THD) of power to a pair of high-impedance speakers. This power output ensures that the receiver can handle a wide range of speakers and fill even large rooms with rich, clear sound.
One of the standout features of this receiver is its Natural Sound philosophy. Yamaha's engineers have dedicated themselves to creating a sound that is as close to the original recording as possible. To achieve this, they have employed a number of advanced technologies, including YPAO (Yamaha Parametric Acoustic Optimizer), which automatically calibrates the sound settings based on the unique acoustics of your room. Additionally, the receiver supports Dolby Atmos and DTS:X, allowing you to experience immersive, object-based surround sound.
The R-8/R-9 A-1000B Receiver also offers a range of connectivity options, including Bluetooth, AirPlay 2, Spotify Connect, and Tidal. You can easily stream your favorite music from your smartphone, tablet, or computer, or use the built-in FM/AM tuner to listen to your favorite radio stations.
The receiver's user-friendly interface makes it easy to navigate through your music library or adjust settings. The large, clear display shows all the essential information at a glance, and the knobs provide tactile feedback as you adjust the volume or change inputs.
The R-8/R-9 A-1000B Receiver is also Energy Star certified, which means it meets strict energy efficiency guidelines, helping to reduce your carbon footprint and save you money on your electricity bill.
In summary, the Yamaha CB-620840 R-8/R-9 A-1000B Natural Sound Stereo Receiver is a powerful and versatile audio component that delivers natural, detailed sound quality. Its advanced features, connectivity options, and user-friendly interface make it an excellent choice for music lovers and home theater enthusiasts alike.
* Powerful and versatile 100W per channel (8 ohms) amplifier.
* Sleek and modern design.
* Supports multiple input options, including Bluetooth, CD, USB, and phono.
* High-current power supplies for better sound quality.
* Automatic calibration function for optimal sound settings.
* Energy Star compliant for power efficiency.
**Cons:*** No built-in Wi-Fi or multi-room capabilities.
* No dedicated subwoofer output.
* No HDMI or ARC inputs.
2. **Yamaha A-1000B Amplifier:** **Pros:*** Powerful and efficient Class-AB amplifier with 125W per channel (8 ohms).
* High-current power supply for dynamic and detailed sound.
* Discrete output transistors for improved sound quality.
* Compact and versatile design for various applications.
**Cons:*** No built-in preamp or input selection.
* No wireless connectivity options.
* No automatic calibration or other advanced features.
3. **Combo Package:** **Pros:*** Both the R-8 receiver and A-1000B amplifier offer high-quality sound and powerful amplification.
* The receiver's versatility caters to various input sources, while the amplifier's efficiency ensures dynamic and detailed sound.
* The compact size of the amplifier makes it easy to integrate into different setups.
**Cons:*** The lack of advanced features, such as Wi-Fi, multi-room capabilities, or automatic calibration, may limit the system's flexibility.
* The system does not support HDMI or ARC inputs.
* The price point may be higher than some entry-level systems.
**Conclusion:**The Yamaha CB-620840 R-8, R-9, A-1000B receiver and amplifier combo offers a powerful and detailed sound experience, as well as a sleek and modern design. However, its lack of advanced features like Wi-Fi, multi-room capabilities, or automatic calibration may limit its versatility for some users. Despite these cons, the high-quality components and powerful amplification make it a suitable choice for those seeking a high-performance stereo system without the need for advanced connectivity options.
**Recommendation:**If you're looking for a powerful and high-quality stereo system with a sleek design and a variety of input options, the Yamaha CB-620840 R-8, R-9, A-1000B receiver and amplifier combo could be an excellent choice. It delivers dynamic and detailed sound, making it suitable for a wide range of music genres and listening preferences. However, if you require advanced features like Wi-Fi, multi-room capabilities, or automatic calibration, you may want to consider alternative systems that offer these capabilities. Ultimately, the decision depends on your specific preferences and requirements for a stereo system.
Apex overall measurements: 1/2 DOA x 13/16 L. This was pulled from an R-8. Probably used in several model's that year.