Beyerdynamic M 25 1950S

The Beyerdynamic M 25 combines striking design with an incredibly robust construction that feels more like a mechanical instrument than a typical microphone. Despite its relatively compact dimensions, the M 25 is surprisingly heavy and built to withstand decades of professional use. Its distinctive housing and suspended grille assembly give it a unique visual presence, and its sound offers a character that is impossible to replicate .

OPTICAL CONDITION

Good vintage condition.

• Original brown finish remains attractive with a nice deep gloss.
• General signs of age and use are visible across the housing.
• One of the three external grille rings is missing.
• Mesh remains intact and presents well overall.

TECHNICAL CONDITION

Excellent working condition.

• Fully tested.
• Strong output level.
• No functional issues observed.
• Delivers the characteristic M 25 sound as intended.

THIS ITEM INCLUDES

• Original hard case / storage box

Adapter cable to XLR is available but is not included with this listing.

BUILD & DESIGN

The M 25 features a heavy-duty Bakelite housing combined with a metal acoustic grille system. Its sculpted teardrop-shaped body is among the most recognizable microphone designs produced by Beyerdynamic during the post-war period. Construction quality is exceptionally high, with thick materials throughout and substantial weight for its size.

The microphone uses a large Tuchel connector.

CAPSULE

The M 25 is a dynamic moving-coil microphone designed for professional broadcast, speech and recording applications. Its acoustic construction contributes significantly to its distinctive tonal character and ambient pickup behaviour.

CIRCUIT

• Dynamic moving-coil design
• Passive operation
• No external power required

TECHNICAL SPECIFICATIONS

Type: Dynamic microphone
Polar Pattern: Cardioid (approximate)
Frequency Response: Approx. 110 Hz – 12 kHz
Impedance: Model-dependent
Output: Balanced

SOUND CHARACTERISTICS

The M 25 has a very distinctive vintage character. Compared to many modern dynamic microphones, the low-frequency response is relatively restrained, while the upper midrange and high frequencies are noticeably more prominent. This creates a slightly nasal presentation that helps sources cut through a mix.

What makes the microphone particularly interesting is the sense of space and colour it captures. The sound remains lively and atmospheric, making it a surprisingly effective choice for drum room recordings, vintage percussion setups, and coloured ambient microphone applications.

The upper-frequency emphasis adds clarity and presence without sounding overly modern, while the reduced bass response can help maintain definition in dense recordings.

Example applications include:

• Drum room microphone
• Vintage percussion recording
• Guitar amplifier ambience
• Brass and woodwind sections
• Characterful speech and broadcast recording

FREQUENCY RESPONSE

Estimated Frequency Response:

110 Hz – 12,000 Hz

• Upper-mid and high-frequency emphasis
• Noticeably reduced bass response
• Slight nasal character in the presence region
• Open and atmospheric overall presentation

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