Shure BLX24R/B58A Handheld Wireless System /Beta 58A
ชุดไมโครโฟนไร้สายแบบไมค์เดี่ยว คลื่นความถี่ใหม่ถูกต้องตามข้อกำหนดของ กสทช Shure BLX24R/B58A-M19 ในชุดประกอบด้วย เครื่องรับสัญญาณไมค์ BLX4R (แบบมีหน้าจอ) 1 เครื่อง, เครื่องส่งสัญญาณ BLX2/BETA58 (ไมโครโฟนไร้สาย SHURE หัวไมค์เป็นรุ่น BETA 58A) 1 ตัว

The BLX24R/B58A Handheld Wireless System with Beta 58A Mic from Shure includes a BLX4R single-channel wireless receiver and a BLX2 handheld transmitter with a Beta 58A microphone cartridge. This system is set to Shure’s M19 frequency band between 694 to 703 MHz. The system has up to a 300′ line-of-sight range of operation and is designed for easy setup.

The BLX4R receiver’s one-touch QuickScan frequency selection finds the clearest available channel and tunes the unit to it. Its front-panel LCD display indicates the group and channel it is tuned to, allowing you to set the BLX2 transmitter to match. A dual-colored LED indicator displays green for normal audio levels and red to alert you if your levels are clipping. The two antennas have microprocessor controlled internal diversity to help prevent interference.

Two included AA batteries provide the BLX2 transmitter with up to 14 hours of operation. You can use up to 12 compatible BLX systems simultaneously per frequency band.

Features
เครื่องส่งสัญญาณ (ไมโครโฟน BLX2/BETA58A Handheld) Transmitter
Integrated microphone capsule design, featuring trusted beta 58a
-10 dB gain attenuation
Lightweight, rugged construction
Color ID caps (available separately)
เครื่องรับสัญญาณ BLX4R Single Channel Half-rack Receiver

One-touch QuickScan frequencyselection quickly locates the best open frequency (in case of interference)
Up to 12 compatible systems per frequencyband (region-dependent)
XLR and ¼” output connectors
Adjustable audio output level
Removable antennas for quick antenna setup
LCD Display with detailed RF and audio metering, Rack mount kit included

Specifications

เครื่องส่งสัญญาณ-ไมโครโฟน BLX2/BETA58A Handheld Transmitter
Audio Input Level 0 dB Gain: -20 dBV Maximum
-10 dB Gain: -10 dBV Maximum
Gain Adjustment Range 10 dB
RF Output 10 mW, Typical (Varies by Region)
Power Requirement 2x LR6 AA Batteries, 1.5 V Alkaline
Housing Molded ABS
Dimensions (Ø x L) 2.1 x 8.8″ (53 x 224 mm)
Weight 7.7 oz (218 g)
ไมโครโฟน
Type Dynamic (Moving Coil)
Frequency Response 50 Hz to 16 kHz
Polar Pattern Supercardioid, rotationally symmetrical about microphone axis, uniform with frequency
Output Level Open Circuit Voltage: -51.5 dBV/Pa* (2.6 mV) *1 Pa = 94 dB SPL
เครื่องรับสัญญาณ BLX4R Single Channel Half-rack Receiver

Output 1x XLR Output
1x 1/4″ (6.35 mm) Output
Output Impedance XLR: 200 ohms
1/4″: 50 ohms
Audio Output Level XLR Connector: -20.5 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
1/4″: -13 dBV into 100 kOhms Load (Reference +/-33 kHz with 1 kHz Tone)
RF Sensitivity -105 dBm for 12 dB SINAD, Typical
Image Rejection >50 dB, Typical
Housing Molded ABS, Steel
Power Requirement 12 to 15 VDC @ 260 mA, Supplied by External Power Supply (Tip Positive)
Dimensions (H x W x D) 2.0 x 7.8 x 6.4″ (50 x 198 x 163 mm)
Weight 2.2 lb (998 g)

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