BSR RBM1
Manufacturer:
BSRModel:
RBM1Country of Manufacture:
United KingdomMicrophone Type:
RibbonPolar Pattern:
Figure 8Production Start Year:
1948Rarity:
5
Audio Recordings:
Speech (male) recorded using a BSR ribbon microphone with replacement transformer
Multiple quality options available
Speech (male) recorded using a BSR ribbon microphone with original transformer
Multiple quality options available
Impulse Response Files:
Impluse Response file of the BSR ribbon microphone with new ribbon and original transformer.
BSR_Old_Xformer.wav
Impluse Response file of the BSR ribbon microphone. The transfomer in this microphone has been replaced.
BSR_new_Xformer.wav
Frequency Response:
Technical Description:
From the manufacturer's advertisement:
RIBBON MICROPHONE R.B.M.1.
A beautifully styled high fidelity ribbon microphone for Sound Recording and Public Address work. Finished in silver grey wrinkle with silver relief*. Special internal anti-vibration suspension and built-in 600 ohm line tranformer.
Sensitivity 0.13 millivolt/dyne cm2 open circuit.
*We have also seen examples in black wrinkle paint.
Note that the sound files and sweeps provided for this model are from restored microphones that have been fitted with new magnets and ribbons. One example (blue line) has an upgraded transformer and the other the original transfomer (red line).
