Common lab equipment

Audio amplifiers

• ECLER MPA 4-80 Power Amplifier

Headphones

• Sennheiser HD600
• Sennheiser HD100
• Beyerdynamic DT 770 PRO
• AKG K271 MKII

Audiological Headphones

• Sennheiser HDA280
• Sennheiser HDA300
• RadioEar 3045 (P4493)
• Telephonics TDH-39P
• Peltor H7A

Insert Earphones

• Etymotic Tuberphone ER-2
• Etymotic Tuberphone ER-3C

Insert ear microphone

• Etymotic ER-7C probe microphone

Microphone amplifiers

• Behringer Xenyx 302 USB
• DAP audio PRE-202 (2x)

Microphones

• Behringer ECM8000 condensor microphone
• Aco Pacific model 7012 Free Field microphone
• Aco Pacific model 7013 Pressure Field microphone
• Bruël & Kjaer model 4950 Free Field microphone
• Bruël & Kjaer model 7013 Pressure Field microphone

Level meters

• Brüel & Kjear model 2250 type 1
• Multicomp Pro MP780905 type 2

Artificial Ear

• Brüel & Kjaer model 4153

Sound level meter calibration devices

• Aco Pacific model 521
• Brüel & Kjaer model 4231

Passive speakers

• Cambridge Audio Minx Min 12
• Avantone Pro Mixcube

Active speakers

• Tannoy Reveal 402

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Response buttons

• Button box for RZ6
• Passive handheld push button
• Active handheld push button (5V output)

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Measurement Devices

• Interacoustics Audiometer AD629
• Digital event recorder
• Field Analyser NFA 400
• Leica Disto D510 laser distance meter
• Tectronix MSO 2024 oscilloscoop

Other equipment

• Stanford Research Amplifier SR560