Tannoy MR425
Manufacturer:
TannoyModel:
MR425Country of Manufacture:
United KingdomMicrophone Type:
RibbonPolar Pattern:
Figure 8Production Start Year:
1952Rarity:
3
Audio Recording:
Nylon string guitar recorded with a spaced pair of Tannoy MR425 ribbon microphones. Laughter at the end after a bum note!
Multiple quality options available
Impulse Response File:
Impulse Response file of a Tannoy MR 425 ribbon microphone.
Tanny_MR425_IR.aiff
Frequency Response:
Microphone History:
The MR425 is mentioned briefly in Wireless world magazine, May 1952:
"The Tannoy range of high-grade microphones has been extended by the addition of a miniature ribbon microphone (MR425) and a pressure type (MC424) with sockets designed to fit American stands."
The Type 1 mic was succeeded by the MR425 or "Pitchfork" model, which is much smaller and has a completely new motor design. This model seems to date from the early 1950s and was available in different colours with different mounting options. Most of these models have a 600 ohm output, and give a full well balanced sound.
This is my favourite figure-8 Tannoy, partly because this was the first Tannoy mic that I owned, but also because it has a good response and a very usable signal / noise output.
Technical Description:
600 ohm output impedance.
The MR425 shares a motor design with the uni-directional model MD422.
The motor is simple but nicely made, with two tapered magnets either side of the ribbon, and adjustable clamps allow the ribbon tension to be adjusted.
