SHURE BLX14RE/B98 Безжична система за вграждане в рак с инструментален микрофон-щипка

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SHURE BLX14RE/B98 Безжична система за вграждане в рак с инструментален микрофон-щипка

Кондензаторният микрофон Beta 98H/C е универсално решение за духови или ударни инструменти. Той притежава гъвкава гъша шия със скоба, за сигурно прикрепяне и прецизно позициониране. Лесна настройка и интуитивен интерфейс на приемника за монтиране рак.

Съдържа:

BLX1 - Бодипак Трансмитер
BLX4R - Приемник за вграждане
Beta 98H/C - Инструментален микрофон

BETA 98H/C

The Beta 98H/C miniature cardioid condenser microphone clamps onto the bell of wind instruments or onto the rim of percussion instruments. The integrated gooseneck and ratcheting swivel joint allows the mic to be easily positioned and secured, and an isolation shock-mount reduces the transmission of instrument vibrations. A gooseneck angle brace is included to provide better retention of the desired microphone placement.

Featuring a highly consistent cardioid polar pattern, the Beta 98H/C provides high gain before feedback and smooth off-axis rejection. Its ability to handle extremely high sound pressure levels (SPL) makes it ideal for live sound reinforcement on a variety of instruments.

Features

Premier live performance microphone with Shure quality, ruggedness, and reliability
Uniform cardioid pick-up pattern for maximum gain before feedback and excellent rejection of off-axis sound
Tailored frequency response specifically shaped for open, natural sound reproduction
Wide dynamic range for use in high sound pressure level SPL environments
Adjustable gooseneck, angle brace and ratcheting swivel joint allow for optimal microphone positioning
Compact, lightweight construction provides a low degree of visibility
Interchangeable microphone cartridges with different polar patterns are available
Snap-fit foam windscreens stay in place, minimizing wind noise

Applications

General Rules for Use

Do not cover any part of the microphone grille with your hand, as this will adversely affect microphone performance.
Aim the microphone toward the desired sound source (such as the talker, singer, or instrument) and away from unwanted sources.
Place the microphone as close as practical to the desired sound source.
Work close to the microphone for extra bass response.
Use only one microphone to pick up a single sound source.
For better gain before feedback, use fewer microphones.
Keep the distance between microphones at least three times the distance from each microphone to its source (“three to one rule”).
Place microphones as far as possible from reflective surfaces.
Add a windscreen when using the microphone outdoors.
Avoid excessive handling to minimize pickup of mechanical noise and vibration.

Applications And Placement

The following table lists the most common applications and placement techniques. Keep in mind that microphone technique is largely a matter of personal taste; there is no one “correct” microphone position.

Application	Suggested Microphone Placement	Tone Quality
Reed Instruments	Place the microphone a few inches from it and aim at the bell.	Bright, minimizes feedback and leakage.
Brass & Woodwinds	Brass: 30 to 90 cm (1 to 3 ft.) away, on-axis with bell of instrument.	Bright, clear sound.
	Woodwinds: 2.5 to 15 cm (1 to 6 in.) away, on-axis with bell of instrument.	Bright, clear sound.
	Bell of instrument 90° off-axis from front of mic.	Softer, mellow sound.

Avoiding Pickup of Unwanted Sound Sources

Place the microphone so that unwanted sound sources, such as monitors and loudspeakers, are directly behind it. To minimize feedback and ensure optimum rejection of unwanted sound, always test microphone placement before a performance.

Proximity Effect

Unidirectional (cardioid) microphones progressively boost bass frequencies by 6 to 10 dB below 100 Hz when the microphone is at a distance of about 6 mm (1/4 in.) from the sound source. This phenomenon, known as the proximity effect, can be used to create a warmer, more powerful sound. To prevent explosive low-frequency sound during close-up use, the bass response gradually rolls off. This provides greater control and helps the user take advantage of the proximity effect.

Power Requirements

This microphone requires phantom power and performs best with a 48 Vdc supply (IEC-61938). However, it will operate with slightly decreased headroom and sensitivity with supplies as low as 11 Vdc.

Most modern mixers provide phantom power. You must use a balanced microphone cable: XLR-to-XLR or XLR-to-TRS.

Specifications

Type: Electret Condenser
Frequency Response: 20 to 20,000 Hz
Polar Pattern: Cardioid
Output Impedance: 150 Ω
Sensitivity at 1 kHz, open circuit voltage: -56 dBV/Pa (1.6 mV) [1]
Maximum SPL (1 kHz at 1% THD): 1000 Ω load, 155 dB SPL typical
Equivalent Output Noise A-weighted: 31 dB SPL (typical)
Signal-To-Noise Ratio (Ref. 94 dB SPL at 1 kHz): 63 dB[2]
Dynamic Range (at 1 kHz, 1000 Ω load): 124 dB, 132 dB
Clipping Level at 1% THD: 3 dBV (1.4 V)
Polarity: Positive pressure on the diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements: 11 to 52 V DCphantom power

[1] 1 Pa=94 dB SPL

[2] S/N ratio is the difference between 94 dB SPL and the equivalent SPL of self-noise, A-weighted

BLX1

Audio Input Level

- max -16 dBV maximum
- min (0 dB) +10 dBV maximum

Gain Adjustment Range: 26 dB
Input Impedance: 1 MΩ
RF Transmitter Output: 10 mW, typical
Dimensions: 4.33 in. X 2.52 in. X 0.83 in. (110 mm X 64 mm X 21 mm) H x W x D
Weight 2.6 oz. (75 g), without batteries
Housing: Molded ABS
Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
Battery Life: up to 14 hours (alkaline)

BLX4R

Output Impedance

- XLR connector: 200 Ω
- 6.35 mm (1/4") connector: 50 Ω

Audio Output Level: Ref. ±33 kHz deviation with 1 kHz tone

- XLR connector: –20.5 dBV (into 100 kΩ load)
- 6.35 mm (1/4") connector: –13 dBV (into 100 kΩ load)

RF Sensitivity: -105 dBm for 12 dB SINAD, typical
Image Rejection: >50 dB, typical
Dimensions: 1.65 in. X 7.80 in.X 6.42 in. (42 mm X 198 mm X 163 mm) H x W x D
Weight (without antennas): 2.2 lbs (998 g)
Housing: Molded ABS, steel
Power Requirements: 12–15 V DC @ 260 mA, supplied by an external power supply (tip positive)

SHURE BLX14RE/B98 Безжична система за вграждане в рак с инструментален микрофон-щипка

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615.00€

719.00€

Stock: В наличност
Марка: SHURE
Арт. №: ZMBLX14REB98

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