Product Description
Please look at pictures 6-26 and decide which exact units you would like before you purchase these items. ITEM PRICES ARE AT THE BOTTOM OF THE PAGE.
1 x Microdot to SMA Cable is included with the purchase of the 4188/2695 set.
We do have a few Microdot to BNC for $40.00 ea.
Type 4188 is designed for free-field measurements where an economy microphone with medium sensitivity is required. Being prepolarized, Type 4188 can be used with both CCLD and classical preamplifiers.
Use Scenarios
- Medium class sound level meters
- Equipment complying with IEC 61672 class 1
- Random-incidence measurements
- Portable sound measuring equipment
- Being prepolarized, Type 4188 is especially well suited for battery-operated equipment or for operation in environments with high humidity.
Specifications
- Capacitance: 12 pF
- Diameter: 1/2
- Dynamic range: 15.8 – 146 dB
- Frequency range: 8 – 12500 Hz
- Inherent noise: 14.2 dB A
- Lower limiting frequency -3dB: 5 Hz
- Optimized: Free field
- Pressure coefficient: -0.021 dB/kPa
- Sensitivity: 31.6 mV/Pa
- Sound field: Free-field
Type 2695 1/2 Inch Short CCLD Preamplifier
- Optimised for Short CCLD
- Connector at preamplifier 10 – 32 UNF
- Supply voltage 28
- Max output voltage (peak) 7
- Max output current (peak) 19
- Frequency range: 20 to 50000
- Attenuation: < 0.2
- Noise A-weighted, typical: 4
- Noise 22,4 Hz to 300 kHz, typical: 12
- Input impedance: 1.7||0.4
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Units past Picture 6 are pictures of the filaments of each unit. If you want a specific grade filament, view the pictures and Email or call us if you would like a specific unit. For Example: 2 G. The unit you will receive will be the exact unit shown. You cannot re-order the same number. Prices for the specific units are shown below as well as our grading.
P-Perfect (1), any unit with a 'P' next to the number means that its filament is in near perfect to perfect condition. Fairly clean No creases or blemishes.
Each unit price is 499.99 USD for units in 'P' condition.
G-Good, any unit with a 'G' next to the number means that its filament is in good condition and may have some small wear on the filament.
Each unit price is 424.99 USD for units in 'G' condition.
N-Neutral, any unit with a 'N' next to the number means that its filament has wear such as being touched, or small water stains.
Each unit price is 374.99 USD for units in 'N' condition
B-Blemished, any unit with a 'B' next to the number means that its filament is blemished or has wear that could affect the performance of the microphone.
Each unit price is 249.99 USD for any units in 'B' condition.
D-Damaged, any unit with a 'D' next to the number means that its filament has been damaged, this may include punctures or scratches that may affect the performance of the microphone drastically.
Each price is 99.99 USD for any units in 'D' condition.
Cables are still provided with requested microphones.