PIONEERING TAPE RECORDER
BUILT FROM 1977-1980 – THE ORIGINAL CLASSIC
PART OF THE REVOLUTIONARY 1977 HI-FI LINE
COMPLETELY OVERHAULED WITH ORIGINAL PARTS
MULTIPLE SPEED VERSIONS AVAILABLE (HS, LS, SLS)
INTEGRATION WITH MODERN REVOX MULTIUSER SYSTEM
CONTROLLABLE VIA REVOX APP
2-YEAR WARRANTY WITH CERTIFICATE
The B77 MKI tape recorder was built from 1977-1980. A real classic and milestone in the audio world. As the manufacturer, we have been reconditioning our Revox devices with original spare parts for decades. You will receive a B77 MKI tape recorder from us completely overhauled and refurbished. The impressive end result is a product as good as new.
Historical Significance
The Revox B77 tape recorder was presented at the 1977 audio trade shows together with a completely new hi-fi line. This included:
• B750 amplifier
• B760 FM tuner
• B790 record player
• BX series loudspeaker cabinets in the new design
Available Versions
The B77 MKI was available in several variants:
• Standard version with speeds of 9.5/19 cm/s
• B77-HS with 19/38 cm/s (High Speed)
• B77-LS with 4.75/9.5 cm/s (Low Speed)
• B77-SLS with 2.38/4.75 cm/s (Super Low Speed)
• B77-AUTO with automatic recording start
• Three versions with additional pilot head for slide projector control
• B77-DOL with separate Dolby TM-B processors
Even today, a B77 tape recorder can be integrated into the latest Revox Multiuser System and can be controlled via Revox App. Because sustainability is important to us.
“Every Revox product is a safe investment in a long life with music – Premium Service included.” Company founder Willi Studer insisted not only on the highest product quality, but also on a service and support quality that guarantees longevity and high value retention.
At Revox, we make no compromises when it comes to the reliability and durability of our products. Due to the well-founded knowledge of our employees, function tests with original Revox | Studer measuring instruments, and a unique spare parts warehouse, this is best possible in the Revox factory.
Because only the best is good enough.
Dimensions
weight (kg): 17
depth (mm): 207
height (mm): 414
width (mm): 452
Drive
Three-motor drive
2 AC coil motors
1 AC sound motor electronically controlled
Noise-to-voltage ratio
>64 dB (9,5cm/sec), >67 dB (19cm/sec)
Frequency response
30 Hz bis 20 kHz + 2 dB bis – 3 dB, 30 Hz bis 16 kHz + 2 dB bis – 3 dB
Tape speed
HS 19,05/38,1 cm/s
NS 9,5/19,05 cm/s
LS 4,75/9,5 cm/s
SLS 2,38/4,75 cm/s
Power consumption
max. 80 VA
Synchronisation fluctuation
38 cm/s < 0,06 % 9.5 cm/s < 0,10 % 19 cm/s < 0,08 % Equipment
11 ICs, 1 optocoupler, 4 triacs, 60 transistors, 33 diodes, 5 LEDs, 2 bridge rectifiers, 3 relays
Additional specifications
Slip: max. 0.2 %
Rewind time: 135 sec. for 1100m tape
Coil size: up to 26.5 cm (10.5 inch)
| Speed | 9.5/19 cm per s standard NAB, 19/38 cm per s Equalisation NAB or CCIR |
|---|---|
| Tracks | 2-Track, 4-Track |
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