TELEFUNKEN ELA M 251 E Stereo Set — Microphone
Specifications
General
| Microphone Type | Vacuum tube condenser, large diaphragm |
|---|---|
| Configuration | Factory-matched stereo pair (capsules tuned to each other; transformers and tubes tested for matched gain and frequency response) |
| Polar Patterns | Cardioid, Omnidirectional, Figure-8 |
| UPC | 899051992695 |
Audio Specifications (per microphone)
| Frequency Range | 20 Hz – 20 kHz, ±3 dB |
|---|---|
| Sensitivity | 17 mV/Pa, ±1 dB |
| Output Impedance | 200 |
| Maximum SPL (1% THD) | 130 |
| Self Noise (Amplifier) | 9 |
| Signal-to-Noise Ratio | 85 |
| THD at 1 kHz at 1 Pa | < 0.2 |
Key Components (per microphone)
| Capsule | TELEFUNKEN Elektroakustik CK12, edge-terminated large diaphragm |
|---|---|
| Vacuum Tube | 6072A dual triode |
| Output Transformer | Haufe T14/1 |
Physical (per microphone)
| Dimensions | 216 mm L × 50 mm diameter |
|---|---|
| Weight | 596 |
| Power Source | External power supply (M 950ES dual supply in stereo set, powers both microphones simultaneously) |
In the Box (Stereo Set)
| Microphones | 2 × matched ELA M 251E |
|---|---|
| Power Supply | M 950ES dual power supply |
| Shock Mounts | 2 × shock mounts |
| Wooden Boxes | 2 × WB50 wooden microphone boxes |
| Flight Case | FC50S dual microphone system locking flight case |
Fit and constraints
Intended use
Constraints
To use it
Questions
Which connections, drivers, operating systems, and sample rates are supported by this exact revision?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
What cables, mounts, power supplies, or licenses are included?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Is the current retailer listing new stock, demo stock, open box, or special order?
Ask before you buy via contact. Confirm power, condition grade, and included items against the listing photos.
Description
The TELEFUNKEN ELA M 251 E Stereo Set is a factory-matched pair of ELA M 251E large-diaphragm vacuum-tube condenser microphones. Each microphone uses an edge-terminated CK12 capsule, a 6072A dual-triode vacuum tube, and a Haufe T14/1 output transformer, with switchable cardioid, omnidirectional, and figure-8 polar patterns. Components are hand-selected, with capsules tuned to each other and transformers and tubes tested for matched gain and frequency response between the two microphones. The set includes an M 950ES dual power supply that powers both microphones at once, two M850E tube-microphone cables, two WB50 wooden boxes, and a locking stereo flight case. Each microphone covers 20 Hz to 20 kHz (plus or minus 3 dB), with 17 mV/Pa sensitivity, 200 ohm output impedance, and 130 dB maximum SPL at 1% THD.