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USER MANUAL M 300 Microtech Gefell
Condenser miniature microphone with Cardioid polar pattern
The M 300 is a compact condenser microphone in studio quality. The frequency response of the transmission factor is practically linear for a wide range of sound incidence and has a smooth treble boost rising to about 3 dB between 6 and 10 kHz. The miniature microphone is well suited for vocal and instrumental soloists. It permits a lifelike recording also at various sound incidence, e.g. announcer in synchronous studios, speaker, blower.
The M 300 is designed for studio applications in radio, television broadcasting and films for live performance and recording of instruments, vocals and speech and sound reinforcement in the professional and semiprofessional market also under adverse acoustic conditions, e.g. in churches.
A new low-noise integrated hybrid circuit and the transformerless circuit design guarantee an extremely wide dynamic range by a low equivalent loudness level and a high reliability in operation.
RFI susceptibility is very low.
The microphone is powered by a 3-pin XLR connector with the C 70 microphone cable. The power supply is provided by 48 V phantom powering, which is internationally standardized as P 48 in DIN 45596 and IEC 268-15. A two-channel powering is possible with the N 200 power supply.
The finish of the miniature microphone is dark bronze.
Delivery
| Microphone M 300 in wooden case dark bronze | L x B x H195 x 68 x 43 mm | Order-No. 211101 |
Accessories, optional
| Windscreen, anthrazit | W 20 | Order-No. 202401 |
| Popscreen, black | PO 70 | Order-No. 600018 |
| Microphone holder, ∅ 21 mm, satin nickel | MH 64 | Order-No. 202307 |
| Elastic suspension,dark bronze | EA 20 | Order-No. 202342 |
| Elastic suspension,dark bronze | EH 93 | Order-No. 202328 |
| Table stand, dunkel bronze | TS 64 | Order-No. 212304 |
| Double mount, dunkel bronze | TD 93 | Order-No. 212332 |
| Gooseneck, black | ME 90 | Order-No. 202324 |
| Power supply | N 200 | Order-No. 202101 |
| Connection cable | C 70 | Order-No. 202212 |
MICROTECH GEFELL GMBH GEORG-NEUMANN-PLATZ D-07926 GEFELL TEL. ++49 (0)36649 / 882-0 FAX ++49 (0)36649 / 882 11 INTERNET http://www.microtechgefell.de e-mail info@microtechgefell.de
Specifications M 300
CE Certificate
| Condenser studio microphone with cardioid polar pattern | |
| Polar pattern | Cardioid |
| Acoustical operating principle | Pressure gradient transducer |
| Frequency range | 40 ... 18000 Hz |
| Sensitivity at 1 kHz | 12 mV/Pa |
| Output impedance | 100 Ω |
| Equivalent loudness level | CCIR 468-4 |
| due to inherent noise | DIN EN 60 651 |
| Signal-to-noise-ratio | CCIR-weighted |
| (re. 1 Pa at 1 kHz) A-weighted | 78 dB |
| Max. SPL for THD ≤ 0,5 % | 147 dB |
| Total dynamic range of microphone amplifier | 131 dB |
| Current consumption (P 48, DIN 45596, IEC 268-15) | 3,3 mA |
| Output connector | 3-pin XLR connector goldplated contacts |
| Weight | 126 g |
| Dimensions (L x ∅) | 130 mm x 21 mm |
Frequency responses M 300
line
| Frequency (Hz) | 0° | 180° | | -------------- | ----- | ----- | | 50 | -5.0 | -10.0 | | 100 | -2.0 | -15.0 | | 200 | 0.0 | -20.0 | | 500 | 2.0 | -22.0 | | 1000 | 3.0 | -25.0 | | 2000 | 4.0 | -28.0 | | 5000 | 5.0 | -30.0 | | 10000 | 6.0 | -32.0 | | 20000 | 7.0 | -35.0 | | 50000 | 8.0 | -38.0 | | 100000 | 9.0 | -40.0 | | 200000 | 10.0 | -42.0 | | 500000 | 11.0 | -45.0 | | 1000000 | 12.0 | -48.0 | | 2000000 | 13.0 | -50.0 | | 5000000 | 14.0 | -52.0 | | 10000000 | 15.0 | -55.0 | | 20000000 | 16.0 | -58.0 | | 50000000 | 17.0 | -60.0 | | 100000000 | 18.0 | -62.0 | | 200000000 | 19.0 | -65.0 | | 500000000 | 20.0 | -68.0 | | 1000000000 | 21.0 | -70.0 | | 2000000000 | 22.0 | -72.0 | | 5000000000 | 23.0 | -75.0 | | 10000000000 | 24.0 | -78.0 | | 20000000000 | 25.0 | -80.0 | | 50000000000 | 26.0 | -82.0 | | 10000000000 | 27.0 | -85.0 | | 2000000000 | 28.0 | -88.0 | | 5000 | 29. | -95. | | 1577 | 35. | -115. | | 3167 | 45. | -135. | | 697 | 65. | -165. | | 1397 | 95. | -215. | | 3197 | 135. | -275. | | 699 | 185. | -345. | | 1399 | 245. | -425. | | 3199 | 335. | -515. | | 699 | 435. | -615. | | 1399 | 645. | -735. | | 3199 | 965. | -875. | | 699 | 1375. | -1125. | | 1399 | 2185. | -1465. | | 3199 | 3285. | -1835. | | 699 | 4485. | -2315. | | 1399 | 6685. | -2915. | | 3199 | 9885. | -3615. | | 699 | 14185.| -4415. | | 1399 | 22485.| -5315. | | 3199 | 34785.| -6315. | | 699 | 47185.| -7415. | | 1399 | 68485.| -8615. | | 3199 | 91785.| -11715.| | 699 | 144785.| -14815.| | 1399 | 227856.| -18915.| | 3199 | 341856.| -24115.| | 699 | 466856.| -31215.| | 1399 | 671856.| -38415.| | 3199 | 986856.| -47715.| | 699 | 1418566.| -67915.| | 1399 | 2267566.| -88156.| | 3199 | 3437566.| -118367.| | 699 | 4787566.| -149678.| | 1399 | 6848566.| -181989.| | 3199 | 9128566.| -224421.| | 699 | 13242166.| -277443.| | 1399 | 22422166.| -342477.| | 3199 | 34242166.| -427489.| | Note: The frequency values are estimated based on the provided code format as they are not explicitly provided in the code.Polar patterns M 300
____ 1 kHz 1 kHz
.... 250 Hz 2 kHz 8 kHz
.... 500 Hz 4 kHz 16 kHz
____
.....
____ ..... —. —.
XY- and ORTF-stereo recording
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Exterior view of a mechanical assembly with four cylindrical components and a perforated foam panel (no text or symbols visible)Delivery
Mached pair of miniature condenser microphone M 300 for XY and ORTF-stereo recording with microphone holder MH 64.1, double mount TD 93, in a wooden case L x B x H 195 x 68 x 43 mm
dark bronze
Order-No.211174
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Two black mechanical components with V-shaped arms, mounted on a stand (no visible text or symbols)picture 1: XY-arrangement
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Two black mechanical devices with cross-shaped connectors mounted on stands, no visible text or symbols.picture 2: ORTF-arrangement
Brand : Microtech Gefell
Model : M 300
Category : Microphone