You can buy tape reels for the Revox B77 MK II from various online marketplaces such as eBay, Amazon, and Reverb. Additionally, you can also check with audio equipment stores or vintage electronics shops that specialize in reel-to-reel tape recorders. It's important to ensure that the tape reels you purchase are compatible with the Revox B77 MK II and are in good condition to ensure optimal performance. **

If your Revox B77 MK II tape recorder is running too fast, you can try adjusting the speed control knob to see if that corrects the issue. If that doesn't work, you may need to have the unit serviced by a professional technician. It's possible that the motor or belts inside the recorder may need to be replaced or adjusted to restore the correct playback speed. Additionally, make sure that the power source is stable and not fluctuating, as this can also affect the speed of the tape recorder. **

No, a coenzyme is not a substrate. A coenzyme is a non-protein organic molecule that is required for the activity of certain enzymes. It acts as a carrier of specific functional groups or electrons during enzymatic reactions. In contrast, a substrate is the specific molecule upon which an enzyme acts to catalyze a chemical reaction. While coenzymes are essential for the function of certain enzymes, they are not the molecules upon which the enzymes act. **

To sell your Revox HiFi system, you can start by researching its market value to determine a fair asking price. Next, you can list it for sale on online marketplaces such as eBay, Craigslist, or Facebook Marketplace. Make sure to include detailed descriptions, high-quality photos, and any relevant information about the system's condition and features. Additionally, you can reach out to local audio stores or enthusiasts who may be interested in purchasing a vintage Revox HiFi system. **

NAD/NADH is a crucial coenzyme in metabolism as it plays a key role in redox reactions. NAD+ accepts electrons during catabolic reactions, such as glycolysis and the citric acid cycle, forming NADH. NADH then donates these electrons in anabolic reactions, such as the electron transport chain, to generate ATP. This cycling between NAD+ and NADH allows for the transfer of electrons and energy production in cells. **

I would recommend the Revox A720 amplifier to you. The A720 is a high-quality integrated amplifier that offers excellent sound performance and reliability. It features a powerful and clean sound output, as well as a range of input options for connecting various audio sources. Additionally, the A720 is known for its durable construction and timeless design, making it a great choice for any audiophile looking for a reliable and high-performing amplifier. **

The answer to this question depends on individual preferences and needs. Both Revox and Marantz are reputable brands known for their high-quality audio equipment. Revox radios are known for their precision engineering and durability, while Marantz radios are praised for their warm, rich sound and stylish design. Ultimately, the better radio for you will depend on your specific audio preferences, budget, and intended use. It's recommended to listen to both radios in person and consider factors such as sound quality, features, and design before making a decision. **

The choice between the Cube Aim Pro and the Bergamont Revox 2 ultimately depends on your specific needs and preferences. The Cube Aim Pro is known for its reliable performance and comfortable ride, making it a great option for casual riders or beginners. On the other hand, the Bergamont Revox 2 is designed for more experienced riders who are looking for a higher level of performance and agility on the trails. Consider your skill level, riding style, and budget when deciding between the two bikes. **