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The immersive science of Audio Equipment, brought to you by {name}

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Include second reel for tape.

Technical Data

("overall" performance data as measured with REVOX 621 tape)
Tape transport mechanism:
3-motor tape drive; 3 AC driven spooling motors; 1 AC driven capstan motor, electronically regulated

Tape speeds:
3.75 ips and 7.5 ips, electronic change-over Tolerance from nominai ± 0.2 % With  external  accessory,  speed  variable from 2.5... 11 ips

Wow and flutter:
(as per DIN 45507/consistent with IEEE
standard 193-1971)
at 3.75 ips lessthan 0.1 %
at7.5ips lessthan 0.08%

Tape slip:
max. 0.2 %

Reel size:
Up to 10.5 inch diameter (min. hub diameter 2.36 inches) Tape tension switchable (for small hub diameters)

Winding time:
Approx. 135 sec for 3600 ft of tape

Tape transport controI:
Integrated contro! logic with tape motion sensor provides for any desired transition between different operating modes. Contactless electronic switching of all motors. Remote contro! of all functions and electric timer operation are possible.

Equalization:
(as per NAB)
3.75 ips:	90 µsec / 3180 µsec
7.5   ips:	50 µsec / 3180 µsec

Frequency response:
(measured via tape, at —20 VU)
at 3.75 ips    30 Hz ... 16 kHz + 2/-3 dB
50 Hz... 10 kHz ± 1.5 dB
at 7.5 ips	30 Hz ... 20 kHz + 2/-3 dB
50 Hz ... 15 kHz ± 1.5 dB

Peak recording level:
514 nWb/m corresponds to 6 dB above O VU

Level metering:
VU-meter as per ASA-standard, with LED peak level indicators.

Distortion:
at	O VU	O VU + 6dB
(257 nWb/m)    (514 nWb/m)
at 3.75 ips      %	
at 7.5ips

Signal to noise rat/o:
(weighted as per ASA-A, measured via tape)
half track:
at 3.75 ips at 7.5   ips quarter track: at 3.75 ips at 7.5    ips
better than 64 dB better than 67 dB
better than 60 dB better than 63 dB

Crosstalk:         (at 1000 Hz) Stereophonic   better than 45 dB Monophonic    better than 60 dB
 
Erase depth:
at 7.5 ips better than 75 dB
 
Inputs per channel:
MIC (unbalanced)
position LO:     0.1 5 mV / 2.2 kohms
for 50 ... 600 ohms microphones position HI:      2.8 mV / 110 kohms
for microphone impedances up to
20 kohms
RADIO:	2.8 mV / 20 kohms
AUX:	40 mV/ 220 kohms
Overload margin on all inputs:
40 dB (1 : 100)

Outputs per channel:
(Level at 6 dB above O VU / 514 nWb/m)
OUTPUT:     1.55 V / Rj 390 ohms max. 1.5 kohms adjustable with preset contro!, max. attenuation —26 dB
RADIO:	1.55 V/ Rj 4.7 kohms
adjustable with preset control, max. attenuation —26 dB
PHONES:     (2 x) max. 5.6 V / Rj 220 ohms short-circuit proof, optimum matching impedance 200 ... 600 ohms

Connectors for:
Remote control of tape transport functions Remote control of variable tape speed        Slide projector or crossfade unit (electronics optional)
 
Components:
11 I C, 1 Opto-coupler,
4	Triac, 60 transistor, 33 diodes,
5	LED, 2 full wave rectifiers,
3 relays
 
Electric current supply:
100... 240 V/± 10% voltage selector for 100 V, 120 V, 140 V, 200 V, 220 V, 240 V
50 ... 60 Hz without conversion max. 80 watts
Main fuse:     100 ... 140 V: 1 amp slow-blow 200 ... 240 V: 0.5 amp slow-blow
 
Weight:
approx. 17 kg / 37 Ibs 7 ozs
 
Dimensions:   W x H x D = 452 x 414 x 207 mm
(17.8 x 16.3 x 8.14 inches)
Required clearance for 10.5" reels:       max. width     538 mm (21.2")         max. height:   463.5 mm (18.25")
Subject to change
		



Very good - Number of items: 1 - Including: Audio recorder - + Extra item (see description), Original user manual, Power Adapter

Revox - B 77 MKI Audio recorder

Audio Equipment

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Audio component

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Solid state amplifier

Tube radio

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Reel to reel audio

Reel to reel deck 18 cm

Walkman

Blank audio cassette

Preamplifier

Country of origin

Luxembourg

Material

Aluminium

Metal

Plastic

Wood

Iron

Condition

Good

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Various conditions

Very Good Plus (VG+)

Good condition - used with small signs of ageing

Excellent (EX)

Fair & Poor

Mint & Sealed (M&S)

As new - unused

Good condition - used with small signs of aging & blemishes

Fair

Excellent condition: barely used with minimal signs of wear

Extras

No extra's

Power cord

Remote control

+ Extra item (see description)

Original user manual

Refurbished

Power Adapter

Power supply

No cables

Brochures

Case

Anti-pop Filter

Flight Case

+extra item (see description)

Microphone Shock Mount

In original box

Period

2010-2020

2000-2010

1940-1950

1980-1990

2020+

1850-1900

Style

Industrial

Scandinavian design

Danish design

Industrial design

Art Deco

Colour

Black

Silver

Record Label

Various labels

Music memorabilia type

Box Set

Tested and working

Tested and working/playable

Not tested

1900-2000

After 2000

1400-1900

Before 1400

Creator

Various Artists/Bands in 1970's

Afro Celotto

Luigi Caccia Dominioni

Achille Castiglioni

Dieter Rams

Very good - Number of items: 6 - Including: Reel to reel audio - Box

Maxell - 18cm reels with tape Reel to reel audio

Good - Number of items: 1 - Including: Solid state stereo receiver - Power cord, Remote control, Original user manual, + Extra item (see description)

Kenwood - R-K711-S – CD Integrated Solid state stereo receiver

Good - Number of items: 2 - Including: Speaker set - No extra's

Bose - Syncom Computer Tested Speaker - Matching Pair Speaker set

Mint - Number of items: 3 - Including: Speaker set - Box, Original user manual

JVC - SP-X20 Speaker set - Multiple models

Good - Number of items: 1 - Including: Reel to reel deck 18 cm - + Extra item (see description), Remote control, Microphone Shock Mount, Power cord, Original user manual

Akai - Model 345 - With remote control and 26cm adapter - Reel to reel deck 18 cm

Good - Number of items: 1 - Including: No extra's

Heinz - Tomato Ketchup radio Transistor radio

Very good - Number of items: 1 - Including: Power cord, + Extra item (see description)

Sony - TC-FX310 Audio-cassette deck

Good - Number of items: 1 - Including: Power cord

Uher - CR 210 – Metall und Kunststoff, Werke München, Vintage 1970er Jahre Cassette recorder-player

Mint - Number of items: 1 - Including: Case

Casio - TV-470 - TV Portable radio

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Revox - B 77 MKI Audio recorder

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