Fully restored Revox B77 MKII Stereo tape recorder ‘Ringo’

- 7.5 and 15 inches per second ( 19cm/s / 38cm/s )

- Quarter inch tape, 1/2 track width, with IEC equalization (CCIR)

- Original rackable 19-inch housing

- Integrated varispeed control

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Shipping prices are listed for the EU only but we will ship worldwide. Read below or contact us for more information on shipping

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Overview :

Fully operational and in good cosmetic condition for its age. Signs of wear and a few dents here and there. Please note that the plastic front panel has one of the corners that is bent and that some paint has come off at the edge below the transport controls.

Fully cleaned (including ultrasound bath for most of the electronics), fully recapped (all electrolytics have been replaced with high quality long-life parts and professionally calibrated following the standard Revox procedure. Performance has been checked to conform to original factory specifications.

With heads relapped in England by a professional with decades of experience.

Modified for balanced operation : +4dBu electronically balanced input and outputs on TRS jacks.

Comes with power cord, vintage 10 inch metal take-up reel and brand new NAB adapters and hubs.

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Full restoration :

The following parts have been replaced :

- New pinch roller (made in Germany)

- The roller bearings for the reel motors and rolling tape guide. The fixed guide on the take-up side has been replaced with a roller bearing for improved wow & flutter. The replacement are high quality SKF bearings.

- All three motor capacitors as well as the smoking time-bombs called RIFA caps.

- All electrolytic capacitors (replaced with high quality long-life parts from established manufacturers like Nichicon or Kemet)

- All internal trimmers have been replaced with brand new Piher potentiometers.

- New belts for the mechanical counter

- The original two-prong power connecter has been replaced with the standard IEC three prong plug.

And possibly a few other bits here and there…

The deck was entirely stripped down and cleaned :

- Moving parts are all appropriately lubricated, including the capstan shaft with the oil specified by Studer-Revox.

- Ultrasound bath for all the electronics (except the few sensitive parts which have been cleaned appropriately)

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Fully serviced and tested :

The heads have been relapped (resurfaced) to give them new life, demagnetized and properly realigned.

Alignment of transport and audio electronics was done with great care according to the official procedure.

Recording level is set at 320nwb/m (+4dBu nominal)

We have made extensive measurements to make sure that this tape deck conforms to original factory specification. This deck has exceptionally low wow & flutter and very good frequency response, as can be seen in the included pictures.

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Balanced inputs and outputs on 1/4 inch TRS jacks
To get rid of the cheap RCA jacks originally fitted on B77s, and to provide a fully balanced interface to the outside world, we have retrofitted a custom-made electronic card, providing electronically balanced inputs and outputs using high performance integrated circuits (Texas instrument MC33078 op-amps for the input, THAT Corp. 1646 line drivers for the outputs). Only through-hole components are used, including gold-plated Neutrik TRS connectors.

These balanced inputs and outputs are set for a nominal +4dBU level (and step it down inside the deck to the 0dBU nominal level the B77 expects).

All modifications were made to the connector panel only and as such it is possible to fully revert it by simply replacing the connector panel. The schematic for the i/o card has been included inside the deck and we will send you a PDF version also.

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Shipping and packing:

The item will be sent in a very well packed double box. The deck will be fitted in a 50x50x30cm cardboard box with styro-foam cut to size to hold it tightly and to protect everything that's sticking out. This box will then been fully wrapped with multiple layers of packing material (approx. 5cm thickness total) and fit in a brand new double corrugated cardboard box (60x60x40cm). The full package should weigh around 25Kg.

Shipping prices shown are for shipping via national post, which for a package this size is only possible for the EU. The listed shipping prices include a compensation cover charge for up to 1000€ (the maximum that french post offers). If the package gets lost or damaged we will not be able to reimburse you more than what they give us. We can also ship via DHL for full insurance, please contact us for a quote.

Also available for local pickup in Paris, France.

Please do check beforehand with your local authorities on any additional costs, custom duties or taxes that you might incur when importing this item out of the EU.