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Sound Rating: 5 / 10 # Owners: 1
Relaibility Rating: 5 / 10 Views: 245

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Technical Details

Brand: Robuk


Category:Mid High Fidelity



Country of Manufacture:United Kingdom

Release dates:1960 - 1963

Tracks:1/4 Rec/PB

Speeds: 1 7/8, 3 3/4, 7 1/2

Max Reel Size("): 7"

Number of heads: 2

Head Composition: Permalloy

Head Configuration: Mono - Full Track

Auto Reverse?:No

Voltage(s): 110-120v

Frequency Response:(all 3 dB): 7½ ips: 60Hz - 14kHz

Wow and Flutter:less than 0.2%

Sound quality rating:5 / 10

Long-term reliability rating: 5/ 10

Additional Details


The RK3 was Robuk’s first recorder and utilized the Motek K10 ‘piano key’ tape transport. It was a mono 3-speed twin-track all- tube recorder with a 7″ reel capacity. Features included superimposition facilities, EM84 magic eye record level indicator, side-mounted rim controls for fingertip operation, sockets for an extension speaker and external amplifier, and separate tone and volume controls. Price when new: 36 GNS (UK)

Additional Info

Valve complement: ECC83, ECL82, EL84, EZ80 and EM84 / Speaker(s): 7″ x 4″ hi-flux / Dimensions: 16 x 11½ x 7¼” (406.5 x 292 x 184 mm) / Weight: 23 lbs (10.5 kg) / half-track mono


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