Kemo

3D printing
Antennas
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- FM radio antennas
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Batteries
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Arduino
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Audio/video
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Automotive
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Automation
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BBC micro:bit
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Electronic components
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Security alarm
IOT
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Soldering
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- Spare parts Pace
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  - Soldering stations Proskit 206/207
- Spare parts Thermaltronics
  - Thermaltronics TMT-9000S-2
  - Thermaltronics TMT-2000S-K
- Spare parts for Velleman
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  - Atten T900
  - Atten T990
Cables and wires
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- RF coaxial cable 75ohm
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Wiring accessories
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Development boards
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Books
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Thermal management
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Mechanics
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Measurement
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Prototyping
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Making
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DIY kits
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Raspberry Pi
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Retro gaming
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Robotics
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Misc
Electromechanics
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Electrics
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- SCHUKO
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- Electrical installation
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Power supplies
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- 110V
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Computer
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  - D-connector accessories
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Telecom
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TV/radio/VCR/CD
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Tools and handtools
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  - Bostik Born2Bond industrial Instant Adhesives
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- Hobby drills
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- Cleaning
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  - Crimp tools ABIKO
  - Crimp tools for coaxial connectors
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  - Rest of crimp tools
  - Terminal crimping tools
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  - Screwdriver sets
  - TORX screwdrivers
  - PHILLIPS/POZIDRIV screwdrivers
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- Side cutters
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Lightning
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  - Halogen lamps
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Gadgets
Outsale
Agencies Elgood Oy
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- Adda
- Arduino Pro
- Attend
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  - Belden Industrial Ethernet cables
  - Belden Automaatiokaapelit
- Blueferrite
- Broadlake
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  - USB Connectors
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  - CF FFC connectors & cables
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  - Finder 58 Series
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  - Finder 7H Series
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  - Finder 8A Series
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  - Finder 92 Series
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- Fulham Company B.V
- Geehy
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  - U.FL micro coaxial connectors
  - Wire to Board
  - RF-test connectors
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- Teltonika Networks
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- VAC
- Winstar
- wireless-tag
- WKK
  - WKK cable ties
  - WKK heat shrink tubes
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News Letters
- Rigol New Products November 2024
Campaigns
- Rigol Q4/2024 campaign
Intermediary sales
- Sound sources
- Robotics and prototyping
- Power Sources
  - Batteries, Rechargeable Batteries
  - Power Supplies
- Enclosures

Manufacturers

Specials

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STEREO PREAMPLIFIER

Reference: KEMO M237

3 Item Items

Manufacturer homepage

Description
More info
Spec sheet
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Kemo M237 - Universal stereo preamplifier for micro-phones and universal application.

Universal stereo preamplifier for microphones and universal application. The module is simply connected between a stereo power amplifier and a too weak signal source (e.g. microphone).

Technical Data

Operating voltage	9 - 24 V/DC stabilized (or battery)
Current consumption	approx. 3.4 mA ± 20% at 12 V (without load)
Frequency range	approx. 8 Hz - 60 kHz, 3 dB at U out 1.5V RMS
Input impedance	100k Ω
Output load	> 2k Ω
Amplification	approx. 30 dB ± 20%
Distortion	≤ 0.02% ± 20%
Dimensions	approx. 40 x 40 x 12 mm (without fixing straps)