SHURE BLX14A/P31-Q12 ไมโครโฟนไร้สาย ไมค์ลอยชัวร์แบบคาดศรีษะ คลื่นความถี่ 748-758 MHz
The Wireless Headset System with PGA31 is a robust headset condenser microphone rack-mount set that combines simple setup and an intuitive interface for performance you can trust. The comfortable headset offers maximum freedom of movement when performing or presenting.
ในชุดประกอบด้วย :
1 BLX4R Single Channel Half-Rack Receiver
The BLX4R Wireless Rackmount Receiver from Shure is a single-channel receiver set to Shure’s H10 frequency band and operates between 542 to 572 MHz. It has dual antennas with microprocessor-controlled internal diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the available frequency with the least amount of interference.
The unit features an LCD display for RF and audio level metering while its front-panel dual-color LED status indicator displays green for normal levels and red when clipping. It has an XLR output in additional to an instrument level 1/4″ output. A rear-panel control provides output level. The BLX4R can be rackmounted with the included rackmount kit.
Features:
- 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
- Adjustable audio output level
- Removable antennas for quick antenna setup
- LCD Display with detailed RF and audio metering
- Rack mount kit included
2 BLX4 เครื่องรับ Bodypack แบบ 1 แชนแนล 1 เครื่อง
The BLX4 Wireless Receiver from Shure is a single-channel receiver set to Shure’s H8 frequency band and operates between 518 to 542 MHz. It has microprocessor-controlled internal antenna diversity for reduced signal interference and dropouts. The one-touch QuickScan frequency selection feature allows you to quickly locate the frequency with the least amount of interference available.
Its front-panel dual-color LED status indicator displays green for normal levels and red when clipping for fast metering. It has an XLR output in additional to an instrument level ¼” output. The BLX4 can be used with up to 11 other compatible systems simultaneously per frequency band.
Features:
- Up to 14 hours of continuous use with 2 AA batteries (included)
- Up to 300 ft (100 m) transmission radius
- Quick and easy receiver frequency matching
- TQG connection for use with Shure lavalier, headset, earset and instrument microphones and guitar cables
- Toggle on/off switch
- Adjustable gain control of 26dB (+10 to -16dB)
- Lightweight, rugged construction
3 PGA31 ไมโครโฟนคาดศรีษะ 1 ตัว
PGA31 Performance Headset Condenser Microphone from Shure is a wireframe headset cardioid condenser microphone that can be used for a variety of vocal, general speech, and performance applications. A windscreen is included.
Features:
- Wearable wireframe headset fits securely for multi-instrumentalists and active performers
- Permanently-charged electretcondenser element for detailed, crisp vocals
- Unidirectional (cardioid) polar pattern rejects unwanted noise for improved sound quality and higher gain-before-feedback
- Flexible gooseneck design and discrete adjustment options optimize microphone positioning for further source isolation
- Included windscreen tames plosives for clean and intelligible sound reproduction
- TA4F (TQG) connector seamlessly integrates with existing Shure bodypack systems
- Available with a wide variety of Shure wireless systems, renowned for ease-of-use and reliable performance
- Included windscreen tames plosive, breath and wind noise for clean and intelligible sound
- Tailored frequency response primed for great sound on vocals
- Legendary Shure precision engineering for durability and performance
Specifications
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) |
BLX4 เครื่องรับ Bodypack แบบ 1 แชนแนล
| 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: -27 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 |
| Power Requirement |
12 to 15 V DC @ 160 mA, Supplied by External Power Supply (Tip Positive) |
| Dimensions (H x W x D) |
1.5 x 7.4 x 4.1″ (40 x 188 x 103 mm) |
| Weight |
8.5 oz (241 g) |
PGA31 ไมโครโฟนคาดศรีษะ 1 ตัว
| Type |
Electret condenser |
| Frequency Response |
60 Hz to 20 kHz |
| Polar Pattern |
Cardioid |
| Output Impedance |
600 Ω @ 1 kHz, typical |
| Audio Output Level |
-50 dBV/Pa |
| Signal to Noise Ratio |
66 dB @ 1 kHz |
| Maximum SPL |
145 dB, @ 1 kHz (1,000 Ω load) |
| Dynamic Range |
117 dB, @ 1 kHz (1,000 Ω load) |
| Output Noise |
28 dB, typical, A-weighted |
| Power Requirements |
+5 V DC (nominal), 10 V maximum (DC bias) |
| Polarity |
Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1 |
| Cable |
50″ (1.3 m)) |
| Connector |
TA4F |
| Weight |
1.59 oz (45 g) |
