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The Electro-Voice ULM18 Unidirectional Lavalier Microphone provides hands-free speech and vocal operation with the Electro-Voice R300 wireless microphone system. The ULM18 connects to the BP300 beltpack transmitter.
Product Highlights - For R300 Wireless System
- Compatible with BP300 Beltpack
- Unidirectional Polar Pattern
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Transducer Electret condenser
Polar Pattern Cardioid
Frequency Response 20 to 20,000Hz
Output Impedance 165.5 Ω
Sensitivity -39.0 dBV/Pa (11.0 mV)
Max Input Sound Level (SPL) 1000 Ω load: 129.5 dB SPL; 2500 Ω load: 134.5 dB SPL
Signal-to-Noise Ratio 57.0 dB
Dynamic Range @1kHz
1000 Ω: 92.5 dB SPL; 2500 Ω: 97.5 dB SPL
Self Noise 37.0 dB
(equivalent SPL, A-weighted, typical)
Clipping Level 1000 Ω load: 1.0 dBv; 2500 Ω load: -4.5 dBv
Operating Temperature Operating: 0 to 135°F (-18 to 57°C)
Storage: -20 to 165°F (-29 to 74°C)
Polarity XLR: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements 11-52VDC phantom power (IEC-61938),
Dimensions (LxDiameter) Length: 5' (1.52m)
Diameter: 0.23" (5.8mm)
Weight 4.3 oz (121 g)
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- MU-53 features high dynamic range characteristics and sustains up to 142 dB SPL with 1% T.H.D.
- Supplied with 4-pin mini XLR and fits all MIPRO bodypack transmitters.
- Featuring a smooth, warm, natural sound.
- Available in black or beige colors.
- Ideal for theater, houses of worship and educational applications.
| Capsule Module | 10 mm Ø uni-directional condenser microphone | | | | Frequency Response | 50 Hz~18 kHz | | | | Sensitivity | -46±3 dBV/Pa (0dB=1V/Pa) | | | | Max. SPL | 142 dB (Typical，1%THD) | | | | Plug | 4-pin mini XLR or TA4F | | | | Color | Black or Beige | | | | Cable Length | 150 cm / 59 " | | | | Weight | Approx. 19 g / 0.7 oz | | | | Note | Refer to actual product in the event of product description discrepancy. |
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Type Condenser - Omni
Frequency Ressponse 60Hz - 18kHz
Sensitivity -33.5dB re 1 Volt/Pascal (21.00mV @ 94 dB SPL) +/- 2 dB @ 1kHz
Resistance 3000Ω
Dimensions 4.50mmW x 12.00mmH x 4.50mmD
Weight 1.00gm
Accessories Αntitrauma case,WS-LAV, Minifur LAV, Micon cable, Spanner | Subminiature lavalier design; ideal size for theater, television, broadcasting, video, film, and sound reinforcement
Small, inconspicuous mounting hardware
Full, clear sound comparable to larger microphones
Smooth extended frequency response with presence rise specially tailored for chest-worn microphone operation
Controlled low-frequency rolloff reduces low-frequency clothing and room noise
Low distortion, wide dynamic range
Uniform omnidirectional polar pattern
Preamplifier assembly (SM93) can be pocketed, strapped to the body, or clipped to belt or waistband
Wide-range phantom powering (SM93) accepts all commonly used voltages
Type
Condenser (electret bias)
Frequency Response
50 to 20,000 Hz
Response Curve Image Small SM93 WL93 View Larger
Polar Pattern
Omnidirectional, uniform with frequency
Output Impedance
3000 ohms
Output Level (1 Pascal = 94 dB SPL)
Open Circuit Voltage: -38 dBV/Pa (13 mV)
Output Clipping Level (at 1,000 Hz)
0.25 V at 120 dB
Total Harmonic Distortion
Less than 1% at 120 dB
Maximum SPL
120 dB
Dynamic Range (maximum SPL to A-weighted noise level)
102 dB
Output Noise (equivalent SPL)
18 dB typical, A-weighted
Signal-to-Noise Ratio
76 dB at 94 dB SPL (IEC 651)
Polarity
Positive pressure on microphone diaphragm produces positive voltage on pins 3 and 4 with respect to pin 1 (ground)*
*Produces positive voltage at pin 2 of Shure wireless receiver three-pin connector
Recommended Operating Voltage
2 to 10 V; 5 V nominal (pin 2 to pins 3 and 4)
Current Drain
40 microA typical
Environmental Conditions
Operating Temperatures: -18 to 57 degrees C (0 to 135 degrees F)
Storage Temperatures: -29 to 74 degrees C (-20 to 165 degrees F)
Cable
Black 1.27 m (4.17 ft), attached, two-conductor, shielded, terminated by miniature connector type TA4F (WL93T: Tan 1.27 m [4.17 ft])
Case
Microphone: Black ABS thermoplastic case with stainless-steel-mesh grille
Net Weight
Microphone: 16 g (0.57 oz) |
Low-profile, cost efficient clip-on microphone for applications including houses of worship, lecturers, etc. Connects to AKG bodypack transmitters. The CK 99 L provides a natural sound, with a slight rise above 10 kHz for added clarity. Its cardioid polar pattern and bass rolloff combine to suppress unwanted ambient noise. ![ck99l_akg_ck_99l_lavalier_speak]( "ck99l_akg_ck_99l_lavalier_speak") Hide and speak for house-of-worship, conference and theater applications The CK99 L is a condenser lavalier microphone with cardioid polar pattern. It provides a natural sound, with a slight rise above 10kHz for added clarity, perfect for applications in houses of worship, lectures and theaters.
Thanks to its small housing and the included durable metal clip, it can be inconspicuously and securely mounted on jackets and costumes. The CK99 L provides a professional three-pin mini XLR connector that fits the body pack transmitters of all AKG wireless microphone systems. Cardioid polar pattern
eliminates noise from the rear 125° pickup angle
for inexperienced or very vivacious talkers Small housing and durable metal clip
for inconspicuous, secure mounting Technical Specification | General | | Audio Frequency bandwidth | 15 to 18000 Hz | | Sensitivity | 8.8 mV/Pa | | Equivalent Noise Level | 34 dB-A | | Signal to Noise | 60 dB-A | | Electrical Impedance | 200 Ohms | | Recommended Load Impedance | 2000 Ohms | | | Polar Patterns | | Cardioid | ![]() | | | Powering Interface | | Voltage | 1.5 to 10 V | | Current | 2 mA | | | Audio Output | | Type | Mini XLR | | Gender | Female | | Contacts | 3-pin | | | Design | | | Dimensions / Weight | | Height | 23 mm | | Diameter | 8 mm | | Net Weight | 2.5 g | |
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