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Revox B77

3 Motor 2 Speed Stereo Reel to Reel Tape Recorder (1978-85)

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Revox B77


Track system: stereo system

Motor: 2 x reel, 1 x capstan

Reel size: up to 10.5 inch reel

Tape speeds: 3 34  7 12 ips

Wow and flutter: 0.08% (7 12 ips)

Frequency response: 30Hz to 20kHz (7 12 ips)

Signal to Noise Ratio: 67dB

Total harmonic distortion: 0.5%

Input: 40mV (line), 0.15mV (mic)

Output: 1.55V (line)

Semiconductors: 11 x IC, 1 x opto-coupler, 4 x triacs, 60 x transistors, 33 x diodes, 5 x LED, 2 x full wave rectifi

Dimensions: 563 x 475.5 x 233mm

Weight: 17kg


mkII service manual  English Deutsch Francais

mkII schematics  English Deutsch Francais

mkII parts list  English Deutsch Francais

mkII instruction/owners manual  Deutsch Nederlands Francais

advert  Deutsch - eclectik

versions speciales brochure  Francais - Personne

high speed brochure  Francais - Personne

auto brochure  Francais - Personne

DHA brochure  Francais - Personne

DIA brochure  Francais - Personne

FH brochure  Francais - Personne

LS brochure  Francais - Personne

SLS brochure  Francais - Personne

Sync brochure  Francais - Personne

mkII instruction/owners manual  English Espanol Italiano - p.seller

Dolby B service manual  English Deutsch Francais - Ivy Caudieus

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Reviewed Feb 09th, 2015 by Krauszj

Thank you very much for these information, really usefull. (from Hungary)

Reviewed Jan 12th, 2015 by caroluske

Fantastic site, for reel to reel lovers (old school Hi-Fi enthusiast).
Now I can check (with smile) inside my two old nice musical ladys (2 tracks) REVOX A77 & REVOX B77 MKII ...
Thank's & congrats ...
Karel (Belgium)

Reviewed Dec 29th, 2014 by hijitus

Excellent work! Thanks

Reviewed Mar 21st, 2013 by PIT's

Best of...!

Reviewed Dec 30th, 2014 by johannes0098

Thank you very much for all the information of a very high quality. It helps me tremendously with my reel to reel hobby.
Hans Sparreboom,



re: B77

Great site for old analog freaks

Xavier Bruno's picture

re: B77

Thank you so much for your great website.

Greetings from Montpellier (France) to all Revox B77 fans !

re: B77

Deepest thanks ...

Smoke!! caused by a capacitor

Got a B77 from a friend. switched it on. Nothing....until smoke emerged.
I found a burnt black remains of an unknown thing.
With the scematic it appeared to be the 0.1 mu in the supplyline.

It's playing now. Thanks to the great schematics.
Wonderful that you HIFIengine people make that valuable info available


Revox B77

First class information. Great site. Thanks to all.

REVOX B77 Service Papers

THANK YOU! I've been looking for service pdf's all day;)

re: REVOX B77 revox remote control B 77

Hi! Were can i find downlod for Revox Remoute Control for B 77 ?


re: REVOX B77 revox remote control B 77

At the english Usermanual last page

Sound Quality

The sound of this beast along with a good tapes (a.k.a) ATR tapes BIAS properly keeps all LP at master quality.

Thank you so much for the manuals.


lzoli74's picture

B77 MK2 service manual

Thank you very much! I hope you will never need it :-)

waldo545's picture

B77 Manuals

Thank you very much for the information


Revox b77

thanks you!!!


Thank you for your site. It is great.
Great, noncommercial ....

Thanks !
Best Regards from stoev (Bulgaria)

Revox b 77 MkII

Is there an english instruction manual? I don't speak the other languages :(

re: Revox b 77 MkII

Scan is ready and uploaded


Documentazione eccellente.

HS Variation, and English user manual?

In the manuals I cannot see the English Language user manual.
The service manual is superb - wonderful and many thanks - but I would really welcome the user manual too.

Also, is there much difference between the MkII and the HS variation, or is it the same?

re: HS Variation, and English user manual?

The scan is ready and uploaded

Revox B77

Very happy to found this site !
Register at once.
Many thanks to the maker.

Revox B-77 Manual

Many thanks for your very appreciate help

Revox B77

Thank you very much. I'm happy with the technical discriptions. So my B77 can play for many years to come.


THNX very much!

Grazie mille Paolo Italia

Grazie mille Paolo Italia

B 77 MKII and PIONEER SA 606


Many, many thanks ! Dijon-

Many, many thanks !
Dijon- France

Revox B77 MKII

Muchas gracias!

Revox B77

Very glad to discover your site. Many thanks for your very appreciate help.
Merci beaucoup !!
JazzFan - France

Revox B77 Manuals

Great job ! Thanks for sharing. I was now able to fix the problem 100u 25v condensor
many many thanks grz peter

GGBluz's picture

Revox B77 Manuals

Great job ! Thanks for sharing. I'm able to buy a used one without manuals now ;o)

see above

see above

B77 Manuals

Thanks a lot for sharing! Nice job! vy 73 Frank

Thank's ...

Very kind of you to share resources and information with us.
Cheers, D.

B*77 user manual

Required User Manual B-77 Revox

bigbozer's picture

ReVox B77 and other manuals

Hi-Fi Engine is simply the best. many thanks to those behind-the-scene workers who put all these on line. BigBozer, CA, USA


Many thanks for the people that took part of the time to upload the manuals, very nice stuff, recently I owned a PR99 MKII and with the info of the B77 MKII server and PR99 MKIII server I can take full maintenance of my mint condition unit. Thanks a lot again and it will be very helpful if someone has the service manual of the STUDER A807 open reel recorder and Revox B215 and B215S cassette decks service manuals, and information of the STUDER A721 cassette deck. It would be very nice to get that stuff too because I´m seareching for those units I mentioned. THX!!!! Roberto.

Great Stuff!

Great Stuff!

a77 revox

thanks to these manuals,i can try to sort the old revox,rather than spend piles of money on an engineer
lubbly jubbly

Manuals (Revox, Sansui ...)

Thank you for your site. It is great, full of collected manuals from golden age of HI-FI ...
Great, noncommercial .... the best solution for owners of vintage equipement who wants to repair something from own shelf ...

Thanks again !
Best Regards from Janez (Slovenia)

Revox B77 Manuals

I'm very glad to discover your site.
Many thanks for your very appreciate help


Many thanks: Department interesting and useful
Keep up


This website is not affiliated with or sponsored by Revox. To purchase B77/B77 mkII spares or accessories, please contact the company via their website or visit an authorised retailer.