Polar and Frequency ResponseFor this discussion, you will chart the frequency response and polar response of one of your microphones. Solve the following issues:1. What source signal will you use

Part 1. Research the Specs of a Microphone

General Info

Microphone: Neumann TLM 103

Type: Condenser

Released: 1997

Cost: $1000

Color: Satin Nickel/Matte Black

Overview

In 1998, only a year after it was released to the market, the Neumann TLM 103 won the prestigious “technical excellence and creativity” award (TEC award, 1998). With such a range of capabilities to offer, the Neumann TLM 103 is slowly becoming one of the most desirable microphones in recording studios all over the world. Its large diaphragm is appropriate for all types of professional applications, requiring absolute excellence, versatility, and distinction. When it comes to capturing higher-end sound, the Neumann TLM 103 has what it takes to deliver professional quality audio each and every time.

Specs

Polar Pattern: Cardioid

Frequency Response: 20Hz-20kHz

Max SPL: 138dB

Impedance: 50 ohms

Sensitivity: 23 mV/Pa

Self Noise: 7dB

Signal to Noise Ratio: 87dB

Connector: XLR

Supply Voltage: Requires +48v Phantom power

Switches: No

Diameter: 2.36 in.

Length: 5.19 in.

Weight: 1.1 lb.

Part 2: Discussion

Summarize the microphone's general specifications (type, pattern, features, frequency response, etc.).

I chose to do some research on the Neumann TLM 103 condenser microphone. Armed with a large-diaphragm capsule (26 mm) with cardioid pattern, the TLM 103 provides solid front to rear rejection of unwanted sounds. Having electronic circuitry (instead of the conventional output transformer) will not only protect the balanced audio signal from any unwanted RF interference, but it would also ensure ultralow self-noise, and the highest SPL transmission. Already mentioned in the specs section above, this powerhouse offers a frequency range of 20Hz-20kHz, a max sound pressure level of 138dB, a signal to noise ratio of 87dB, a rate of impedance of 50 ohms, and minimal self-noise of 7dB. Lastly, since the TLM 103 is a condenser microphone, it requires the use of phantom power in order to operate.

State your expectations of what the microphone will sound like. Avoid generalities such as "great," "clean," "natural," and "warm". Your expectations can include characteristics drawn from the opinions of others, but at least part of your analysis must be your own projections based on mic type, technology, and specifications (especially frequency response).

My expectations for this product are definitely high. Having been able to research the applications, acoustic features, and electronic components this product has to offer, has given me a better understanding and appreciation for the TLM 103. Its wide range of dynamics for vocals, and exceptional sound for acoustic guitars is a must have for just about any performance or recording situation.

Indicate how you would utilize this microphone, justifying your choices.

I would like to use this microphone to record acoustic guitars, vocals, and some percussion in my studio. The incredibly low self-noise level and capability to handle sound pressure levels up to 138dB (without distortion), the TLM 103 could be ideal for vocals. I guess that as long as it’s not excessively sibilant, it can be a little bright.

Scan or download an image of the microphone's on-axis frequency response.