Energy Systems - Marantz Recorders

Media Loan

• www.evergreen.edu/medialoan
• L2504. End of hallway past Libary and Computer Center Entrances.
• Reserve Equipment
• Test Equipment
• Late Fees

Late Fines assessed daily, per item
Equipment valued over $250 — $20.00 per day
Equipment valued under $250 — $10.00 per day
Keys and all equipment and accessories valued over $50 — $10.00 per day
Equipment and accessories valued under $50 — $5.00 per day
 

• MIc Handout
• Marantz Recorder Handout

Sound

• Measure sound in cycles per second or Hertz (Hz)
• Human hearing 20 Hz to 20kHz

MIcrophones

• A microphone converts acoustic energy to electrical energy

MIcrophone Types

• Condenser Mics
  • More sensitive to higher frequencies and fast transients.
  • Needs power. Batteries in microphone.
• Dynamic Mics
  • Ruggeed
  • Can take high sound levels
  • No power needed.

Microphone Patterns

• Omni: picks up sound from all directions.
• Cardioid: picks up sound from front:
  • Proximity Effect: low frequencies are boosted as mic is closer to the source.