Το Revox B77 mkIII ειναι stereo tape recorder.

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Revox B77 MK III Stereo Tape Recorder
What is even better about the B77 MK III than its predecessor, the MK II? The Revox engineers have made every effort to improve the entire electronics based on the simulation options available today and improved components. The result is a further significant improvement in the external voltage drop and a further improved frequency response. During all the development work, however, it was always important to Revox to keep the analog products analog. There are no semiconductors (chips) with software in the entire B77!
Good and proven features have been retained, improvements made and new features added!

The professional XLR – connections of the B77 MK III enable professional audio  transmission -  according to our guiding principle:  Studio sound quality  t. The B77 MK III is therefore ideally equipped for perfect recording and playback for private or professional use.

Original Revox Motors
The B77 MK III is equipped with a three-motor drive with direct drive and servo control. Two winding motors bring the tape reels up to operating speed in the shortest possible time or slow them down quickly, precisely and smoothly. The winding motors are particularly strong and robust. Thanks to the increased starting voltage, they bring even heavy metal reels up to operating speed in a matter of seconds. Thanks to the sophisticated technology of the regulated capstan sound motor, even barely perceptible fluctuations in speed are compensated for. The sound shaft of the direct-drive Capstan sound motor is a true masterpiece of precision engineering. Its tolerance is a concentricity of one thousandth of a millimeter. Revox relies on a motor design that has been tried and tested for decades. To this end, the Capstan shafts are produced close to the sound factory in Villingen.

Improved original Revox tape heads
Revox has decades of experience in the manufacture of tape heads and has optimized this knowledge for the various tape machines. The professional design of all our tape heads is developed in-house and manufactured to the highest quality using our own processes. Revox tape machines have a total of three tape heads. One reproducing head, one recording head and one erase head. Among other things, this design enables rear band control. The precision of the tape heads is decisive for the recording and reproducing quality. The special alloy of the tape heads guarantees the best magnetic properties and a long service life. The shape of the tape head mirrors is designed for smooth frequency response down to the lowest frequency. Long pole pieces guarantee a straight frequency response. The core carrier of the heads is milled from solid material with the highest precision to achieve optimum uniformity of the respective track positions. The gap of the playback sound head measures just 2 µm (0.002 mm). The core packages are made of high-quality magnetic material with above-average permeability and minimal losses. This achieves optimum sound voltages and very low distortion. The new Revox B77 MK III uses improved original tape heads with a considerably longer service life. Everything to ensure maximum longevity and sound quality.

Individual setting options

• Many different 1/4“ 2-track tapes can be played and recorded:
  • 19 cm/sec. recording and playback with 257 nWb/m and NAB
  • 38 cm/sec. recording and playback with 510 or 320 nWb/m and NAB or CCIR
• Switches for setting functions are available on the B77 MK III.

Connections

• The connection concept is suitable for both recording studio connections and private home systems:
  • XLR IN/OUT
  • Cinch / RCA via enclosed adapter
  • Switch for studio and home systems
• Special feature XLR connector: Known from studio and audio technology, XLR (External Live Return) connectors are characterized by their robustness, reliability and interference-free signal transmission. The balanced XLR connection ensures the best sound and high-quality transmission - in professional recording studios as well as in private audio systems. Signals can be transmitted via XLR inputs/outputs without loss of quality or noise. With the built-in XLR inputs/outputs, the new Revox B77 MK III is therefore ideally equipped for perfect recording and playback - for private or professional use.
• Headphone connection: The headphone amplifier is of the highest quality and suitable for both low and high headphone impedances.

Digital Counter and VU Meter

• Digital Counter:
  • Mode 1: Counter
  • Mode 2: Time
  • The displayed time is calculated from the current meter reading. In addition, the meter speed and the meter reading are used to determine the set belt speed of 19 cm/s or 38 cm/s and the meter reading is converted into a belt running time corresponding to the belt speed.
• VU meter: The highest precision is required for the level meters, which is why the Revox VU meters (volume units) are precisely calibrated and have long scales. An LED immediately indicates the risk of overdriving. With this ideal combination of displays, recordings of the highest dynamic range can be made effortlessly. Another advantage is that the display also works during playback.

Optional expansion options
A Multiuser Adapter Global Cache is available for the integration and control of the B77 MK III, even via app or wall operation, in a Revox multiuser audio solution.