UNITRA Tonsil MDO IX A 1970s - XLR

Character Microphone

A distinctive dynamic microphone from UNITRA Tonsil, one of the major Polish manufacturers of the 1970s. The MDO IX A is industrial and consumer audio design— robust, functional, and intentionally simple. rather heavy in the hand it has exceptional build quality and relative high output and sensitivity to transients on a limited spectrum that is somewhat compressed and dramatic with a healthy range balance.

Originally intended for radio, domestic recording, and institutional use, this microphone offers a focused, mid-forward sound and a unique tonal character and extremely reliable build

This example has been converted to standard XLR for immediate use with modern equipment.

OPTICAL CONDITION

Very good vintage condition.
The housing shows light cosmetic marks consistent with age.

Grille is intact and straight. All markings remain visible.

TECHNICAL CONDITION

Fully functional and tested.

converted to XLR

INCLUDING

original box

original pappers

table stand

BUILD & DESIGN

Built to withstand daily use rather than studio luxury, this microphone prioritises durability and intelligibility. thick plastic body and cable, make it look young even today.

Type: Dynamic (moving-coil)

• Front-address design
• Cylindrical metal housing
• Slotted metal grille with internal mesh
• Originally DIN-equipped, now converted to balanced XLR
• Made in Poland (UNITRA / Tonsil)

ESTIMATED FREQUENCY RESPONSE

~80 Hz – 10,000 Hz

• Rolled-off high end
• Early high-frequency attenuation
• Fast, direct transient response
  

SOUND CHARACTERISTICS

Low Mid-forward, compact, and characterful. lots of weight but gently spread fat bass.

nice warm feeling with a touch of detail

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