SHURE Beta 58A Wireless Rack Mountable Vocal System (BLX24RUK-B58)
Precision-engineered dynamic vocal microphone with rack-mount analogue (BLX) transmission
Key Features:
- Precision-engineered for live performance and project studio recording
- Tailored frequency response accentuates vocals
- Supercardioid pattern isolates from other sound sources
- Simple setup
- Intuitive interface in a rack-mount receiver
Product Code: 500041370
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The Beta 58A dynamic vocal microphone is precision-engineered for live performance and project studio recording. A tailored frequency response accentuates vocals, and thesupercardioid pattern isolates from other sound sources. It combines simple setup and an intuitive interface in a rack-mount receiver.
Includes BLX4R rack mount receiver, BLX2/BETA58A handheld transmitter, microphone clip, single and dual rackmount kit, two 1/4 wave antennas, zipper bag, power supply, 2 AA batteries, and user guide.
System technical specifications
Compatible systems per frequency band (up to): 12
Selectable frequencies: Up to 150
Auto Setup Features: QuickScan : Finds group with most compatible frequencies and sets to best frequency
Audio Reference Companding: No
Included Antennas: BLX4, BLX88: Internal, BLX4R: Detachable
Antenna Options: No
Receiver Network Ability: No
PC Control: No
Rack Hardware: URT2 (not included), Rack mount brackets (only with rackable/BLX-R Sets)
Case: Included Only with BLX4 Sets
Transmitter Display: LED
Receiver Display: BLX4, BLX88: LED, BLX4R: High-resolution LCD screen
Battery, Endurance: 2AA, up to 14h
Environment: Demanding acoustic environments
Further Technical Specs
Operating Range: 91 m ( line of sight - actual range depends on RF signal absorption, reflection and interference)
Available Frequencies: Between 524-865 MHz (available frequencies depend on applicable regulations in country where system used)
Audio Range: 50-15,000 Hz (dependent on microphone type)
Transmitter RF Output Power: 10 mW, typical (varies by region)
Audio Output Connector: XLR and 1/4" (6.3 mm) unbalanced Maximum Output Level: -27 dBV (XLR, mic level), -13 dBV (1/4")
Battery Life: Up to 14 hours
Dynamic Range: 100 dB A-weighted
System Distortion: 0.5% THD typical (ref. +/- 38 kHz deviation, 1 kHz tone)
Operating Temperature Range: -18°C (0°F) - +50°C (122°F)
Power Requirements: BLX1, BLX2: 2 AA alkaline or rechargeable batteries
BLX4R: 12-15 V DC @ 260 mA, supplied by external power supply (tip positive)
Component Specifications:
BLX4R Receiver
Output Impedance:
- XLR connector: 200 O
- 6.35 mm (1/4") connector: 50 O
Audio Output Level, Ref. ±33 kHz deviation with 1 kHz tone:
- XLR connector: -20.5 dBV (into 100 kO load)
- 6.35 mm (1/4") connector: -13 dBV (into 100 kO load)
RF Sensitivity: -105 dBm for 12 dB SINAD, typical
Image Rejection: >50 dB, typical
Dimensions: 50 mm X 198 mm X 163 mm H x W x D
Weight, without antennas: 998 g
Housing: Molded ABS, steel
Power Requirements: 12-15 V DC @ 260 mA, supplied by external power supply (tip positive)
BLX2 Handheld Transmitter
Audio Input Level:
- gain 0dB: -20 dBV maximum
- gain -10dB: -10 dBV maximum
Gain Adjustment Range: 10 dB
RF Transmitter Output: 10 mW, typical, varies by region
Dimensions: 224 mm X 53 mm dia.
Weight: 218 g (without batteries)
Housing: Molded ABS
Power Requirements: 2 LR6 AA batteries, 1.5 V, alkaline
Battery Life: up to 14 hours (alkaline)
Further Technical Specs
Component Specifications:
BLX4R Receiver
- XLR connector: 200 O
- 6.35 mm (1/4") connector: 50 O
- XLR connector: -20.5 dBV (into 100 kO load)
- 6.35 mm (1/4") connector: -13 dBV (into 100 kO load)
BLX2 Handheld Transmitter
- gain 0dB: -20 dBV maximum
- gain -10dB: -10 dBV maximum
Beta 58A Vocal Microphone
FrequencyThis is how many times a sound or radio wave oscillates in one second.Read moreGo to the glossary tailored for vocals, with brightened midrange and bass rolloff to control proximity
Uniform supercardioid pattern for high gain before feedback and superior rejection of off-axis sound
Neodymium magnet for high signal-to-noise output
Hardened steel mesh grille that resists wear and abuse
Advanced pneumatic shock mount system that minimises transmission of mechanical noise and vibration
Minimally effected by varying load impedance
Legendary Shure quality and reliability
BLX2 Handheld Transmitter
Power and battery status LED
Adjustable gain control
Quick and easy frequency matching
AA batteries (included) provide up to 14 hours of continuous use
100 m (300 ft.) operating range (line of sight)
Receiver BLX4R
One-touch QuickScan frequency selection quickly locates the best open frequency (in case of interference)
Up to 12 compatible systems per frequency band (region-dependent)
XLR and ¼" output connectors
Two-color audio status indicator LED
- Green: Normal audio levels
- Red: Excessive audio levels (overload/clipping)
Adjustable output level
Removable antennas for quick antenna distribution
LC Display with detailed RF and audio metering
Rack mount kit included
Furnished Accessories
RACK MOUNT BRACKET, part number: 53A8611
LONG RACK MOUNT BRACKET, part number: 53A8612
LINK BRACKET, part number: 53B8443
HARDWARE KIT, part number: 90AZ8100
Swivel adater, part number: 90F4046
Thread adapter, part number: 31B1856
2x, ANTENNA/BNC,1/4 WAVE, part number: 95A8699
2x, ADAPTER,BULKHEAD,BNC, part number: 95A8994
BAG VINYL, ZIPPERED, part number: 95B2313
2x, CABLE,BNC,22 in., part number: 95K2035
Power supply PS23
BLX2 Handheld Transmitter
Receiver BLX4R
- Green: Normal audio levels
- Red: Excessive audio levels (overload/clipping)
Furnished Accessories