Revox B77 MKI Tape Recorder
SKU: 48868735128

Revox B77 MKI Tape Recorder

$6750.00 $7500.00
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Description

Revox B77 MKI Tape RecorderB77 MKI TAPE RECORDER 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

B77 MKI TAPE RECORDER

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


VALUE PRESERVATION

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.

QUALITY PROMISE

“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.

BUILT FOR ETERNITY

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.

Technical Details

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)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48868735128

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Verified Purchase
Jayme
Birmingham, US
★★★★★ 5
Not top grade
Style: 30 pcs
I didn't have a chance to install although I've would been very excited.
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Reviewed in the United States on June 7, 2026
J
Verified Purchase
Jack Swidecki
Port Orchard, US
★★★★★ 5
Worth the buy
Style: 30 pcs, Style: 30 pcs
Put in my 1991 f250 super cab and it did the whole bottom and then some. Works spectacularly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
J
Verified Purchase
james
Boise, US
★★★★★ 5
Would recommend
Size: 10 sqft
I used this sound deadening material in my car during an audio and interior upgrade, and the difference was noticeable immediately. Road noise, vibrations, and rattling were reduced a lot, especially on the doors and floor panels. The car feels much quieter and more solid while driving now. The material was easy to cut and apply, and the adhesive stuck very well without peeling up. It has a quality feel to it and conforms nicely around curves and tight areas. I also noticed my speakers sound cleaner and have better bass response after installing it. For the price, this sound deadening material is a great value and definitely worth it if you want a quieter ride and better overall sound quality in your vehicle.
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Reviewed in the United States on June 6, 2026
D
Verified Purchase
David
Waukegan, US
★★★★★ 5
Worth it!
Size: 50 sqft
I was worried it wouldn't work as well since it's 50 mil and I thought I got the wrong thing. Nope! Works great. Did all four doors on my 93 civic and I have enough for the floor I think. Solid price. Noise reduced by about 5 decibels hive difference. Very sticky and easy to apply I'm so happy I was able to cover most all of my car. If I need more, definitely buying this since I got so much extra and I thought I would. PS: that five decibel thing is only with the four doors. My firewall is next and then my floor, but it's such a huge difference
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Reviewed in the United States on April 2, 2026
T
Verified Purchase
Teresa A. Patterson
Fort Morgan, US
★★★★★ 5
Quiet your vehicle noises
Size: 50 sqft
Put this in our high roof van and couldn’t believe how much quieter it was at once. Really cut down on the vibration noise Nice and easy to install just peel n stick. Was also easy to cut with scissors for smaller areas. Seemed to be really nice quality. Didn’t notice any odor.
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Reviewed in the United States on June 9, 2026

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