Category:Mid High Fidelity
Country of Manufacture:Japan
Release dates:1968 - 1971
Tracks:Quarter Track Rec/PB
Speeds: 1 7/8, 3 3/4, 15
Max Reel Size("): 7"
Number of heads: 2
Head Composition: Permalloy
Head Configuration: Stereo
Frequency Response:( 3dB): 3¾ ips: 100Hz to 10kHz
Sound quality rating:5 / 10
Long-term reliability rating: 5 / 10
The MR-151 was a battery/mains quarter-track stereo recorder with a maximum reel capacity of 5″. It had three speeds: 3¾ , 1 7/8 and the ultra slow speed of 15/16 ips. The recorder had two motors, one for play/record and another for rewind.
Features included vertical operation, remote control, sound with sound and the recorder came with two microphones, one full and one empty 5″ spool, patch cords and splicing tape.
Price when new in the UK was £89 including VAT.
Fast rewind: 2 minutes for 5″ spool / Equalisation: NAB characteristic / Total harmonic distortion: 5% / Power output: 750 mW, max 800MW per channel / Inputs: microphone: 0.3mV 25K. line / aux: 100mV 100K / Outputs: ext. speaker 750mW 8 ohms. headphones 8 ohms or 10K / Batteries: 6 x U2 cells / Dimensions: 15½ x 13 x 6¾ .” (394 x 330 x 171 mm) / Weight: 18 lbs (8.2 Kg) / quarter-track stereo