Department of Electronic Systems

Measurement Microphones available in lab.facilities

  • B&K 4133 1/2" ff. - general purpose ~12.5mV/Pa
  • B&K 4134 1/2" pp. - medium & high level measurements in audio & coupler measurements ~12.5mV/Pa
  • B&K 4135 1/4" ff. - high level, high frequency measurements ~4mV/Pa
  • B&K 4136 1/4" ff. - random incidence, couplerm high level, high frequency measurements ~1.6mV/Pa
  • B&K 4144 1/1" pp. - coupler, low level, low frequency measurements, audiometer calibration ~50mV/Pa
  • B&K 4145 1/1" ff. - general low level, low frequency measurements ~50mV/Pa
  • B&K 4160 1/1" pp. - coupler measurements and laboratory standard ~50mV/Pa
  • B&K 4155 1/2" ff. - general purpose, low level ~50mV/Pa
  • B&K 4165 1/2" ff. - general purpose, low level ~50mV/Pa
  • B&K 4166 1/2" pp. - general purpose, for random incidence ~50mV/Pa
  • GRAS 40EN 1/1" pp. - coupler, low level, low frequency measurements, calibration ~50mV/Pa
  • GRAS 40AE 1/2" ff. - general purpose ~50mV/Pa
  • GRAS 40AD 1/2" pp. - general coupler purpose ~50mV/Pa (eg. used in Valdemar HATS/MP3)
  • GRAS 40AZ 1/2" ff. - Low Frequency microphone ~50mV/Pa
  • T-Bone MM-1 1/4" P-48 phantompowered measurement microphone ~20mV/Pa

We also have special microphones which are aimed for special measurements.

  • B&K 4179 1/1" ff. - very low level measurements ~100mV/Pa
  • B&K 41xx 1/2" & 1/4" - special microphones for intensity measurements
  • B&K 4182 - probe microphone for measurements in narrow spaces
  • B&K 4193 - infrasound measurements
  • B&K 8104 - microphones/hydrophones
  • Sennheiser KE4-211-2 -  used for in-ear and other measurements/recordings
  • Knowles FG23329 - used for in-ear measurements/recordings

Calibration equipment available

  • B&K 4220 - Pistonphone giving 124dB @ 250Hz
  • B&K 4221 - High Pressure Microphone Calibrator
  • B&K 4230 - Sound Level Calibrator 94dB @ 1000Hz
  • B&K 4231 - Sound Level Calibrator 94dB @ 1000Hz
  • B&K 4294 - Accelerometer Calibrator
  • B&K UA0023/0033 - Electrostatic Actuators

Measuring and conditioning equipment

  • B&K 2409 - Electronic Voltmeter 2-200kHz, peak/rms detector.
  • B&K 2690 - Nexus conditioning preamp 2-200kHz, with filters, peak/rms detector.
  • B&K 2804 - 2 channel battery-operated microphone preamplifier supply
  • B&K 2807 - 2 channel microphone preamplifier supply
  • B&K 2606 - Measuring Amplifier 2-200kHz, with filters, peak/rms detector.
  • B&K 2607 - Measuring Amplifier 2-200kHz, with filters, peak/rms detector.
  • B&K 2636 - Measuring Amplifier 2-200kHz, with filters, peak/rms detector.

Microphone Preamplifiers available in lab.facilities

  • B&K 2619 1/2" - preamplifier 7pin B&K connector
  • B&K 2623 1/2" - preamplifier w. microdot connectors
  • B&K 2639 1/2" - preamplifier 7pin B&K connector
  • B&K 264x 1/2" - preamplifier 7pin B&K connector mounted in B&K 4128 HATS
  • B&K 2660 1" - (primarly used for low-noisemeasurements) preamplifier 7pin B&K connector
  • B&K 2669 1/2" - preamplifier 7pin Lemo connector
  • Gras 26AK 1/2" - preamplifier 7pin Lemo connector
  • Gras 26CC 1/4" - preamplifier SMB connector (icp-power)
  • some older B&K available on request

Analyzers

  • B&K 2032 - 2 channel FFT Analyzer .
  • B&K 2133 - 2 channel Parallel Octave Band Analyzer .
  • B&K 2204 - Sound Level Meter and analyzer
  • B&K 2231 - Modular Sound Level Meter / analyzer
  • B&K 2238 - Sound Level Meter / analyzer
  • B&K 2270 - Sound Level Meter / analyzer
  • B&K Pulse - 5 channel frontend with Pulse analyzing/recording software.
  • Sinus MSX-16 - 32 channel frontend with SI++ analyzer, recorder software
  • 01dB Harmonie - 4 channel frontend with 01dB Application Suite for recording/analyzing signals from DC to ~22kHz.
  • 01dB Symphonie - 2 channel frontend with 01dB Application Suite for recording/analyzing signals from DC to ~22kHz

Audiometry & hearing research

Accelerometer Preamplifiers available.

  • B&K 2623 1/2" - general purpose preamplifier w. microdot connectors

Dimensions, distances and levelling

Other equipment :-)

  • M1100 Presenter - Laserpointer w. forward/back buttons - Presentation Pointer

Signal Processing and Equalizing equipment in our facilities includes

  • Behringer DCX-2496 Loudspeaker Management System.
  • Behringer DSP-1100P Equalizer / Feedback Destroyer
  • Behringer UB-2442EX Mixer with Digital Effects
  • Klark Technic - DN30 graphic equalizer analog
  • Roland E-660 Digital Parametric Equalizer
  • TC Electronics Finalizer [more info]
  • TC Electronics Goldchannel - Digitally enhanced microphone-preamplifier.
  • TC Electronics 2240 Parametric Equalizer analog
  • Yamaha REX-50 Digital Multi Effector

Looking for DSP-developer-kits you should look here

Loudspeakers - passive and active.

  • Dynaudio Audience 52 - Passive two-way speakers 52-23000Hz
  • Genelec 1031 – active two-way speakers with THX-certification 48Hz – 22kHz (+-2dB)
  • Genelec 1094 – active subwoofer (29-80Hz) for use with Genelec 1031.
  • Genelec 8020C – active two-way monitor (66-20kHz).
  • Genelec 7050B – active subwoofer (25-85/120Hz) for use with Genelec 8020C.
  • Beolab 1 – large active speaker from Bang & Olufsen
  • Beolab 6000 – active speaker from Bang & Olufsen
  • FBT Jolly 3A – active two-way speakers for monitoring purposes.
  • Roland Boss MA-12 – small active speaker for monitoring.
  • Quad ESL 63 – electrostatic passive loudspeaker
  • KEF 107 – quite large dynamic passive speaker with very good (20-20kHz) freq.response.
  • B&W 601S – passive two-way consumer speaker.
  • DALI 2A – passive two-way speaker for consumer market.
  • Electro-Voice S200 – high power/stage monitor.
  • Yamaha Stagepas 300 - Power/stage monitor.
  • B&K 4296 - omnidirectional speaker for "building acoustics" – reverberation, rasti etc
  • DepAco Ballspk. - small speakers constructed at dep.of acoustics with VIFA M10-MD39 midrange driver mounted in trawl-net balls.
  • DepAco Ballspk. - large ballspeaker constructed at dep.of acoustics with Kef UNI-Q drivers.

Internal soundcards in pc's available in lab.facilities.

  • RME Digi 96/8 PST - PCI, 8 i/o channels, 24 bit & 96kHz sampling supported
  • RME Digi 9652 - PCI, 26 i/o channels, 24 bit & 96kHz sampling supported
  • RME HDSP 9632 - PCI, 12 i/o channels, 24 bit & 192kHz sampling supported
  • RME HDSP 9652 - PCI, 26 i/o channels, 24 bit & 96kHz sampling supported

External soundcards - available on request (contact akutek)

  • ARTcessories USB DualPre - USB interface, 16 bit 44.1 / 48kHz, two channel preamplifier, powered from USB, batteri or 12 V adaptor
  • IMG Stage Line DMA-1USB - USB interface, 16 bit 44.1 / 48kHz, analog gain
  • RME Fireface UFXplus - USB/TB 12 analog i/o, 24 bit & 192kHz sampling supported & 2x ADAT & MADI interfaces
  • RME Fireface802 - Firewire/USB 12 analog i/o, 24 bit & 192kHz sampling supported & 2x ADAT interfaces
  • RME Multiface - PCMCIA, 8 analog i/o channels, 24 bit & 96kHz sampling supported & ADAT interface
  • Roland Edirol UA-25 / UA-25ex- USB, 2 channel analog i/o, 24 bit & 96kHz sampling supported
  • Roland Edirol UA-5 - USB, 2 channel analog i/o, 24bit & 96kHz sampling supported
  • SoundBlaster MP3+ - USB, 2 channel analog/digital i/o
  • Opcode DATport - USB, 2 channel digital i/o

Oscillators and Generators

  • B&K 1049/1051 - Programmable sinewave & noise generator
  • B&K 1405 - Pseudo Random Noise generator
  • B&O TG7 - RC-Oscillator - sine / square
  • Philips PM5193 - Programmable Synthesized Function Generator
  • Wavetek 126 - Function Generator - square/triangel/sine

Multi- & RMS meters, Oscilloscopes, Powersupplys, xxx

  • B&K 2409 - Electronic Voltmeter 2-200kHz, peak/rms detector.
  • B&K 2417 - Random Noise Voltmeter
  • Fluke 37 - Digital Multimeter
  • Fluke 289 - Digital Multimeter
  • Philips PM3050 - 2ch. Analog Oscilloscope 50MHz
  • Philips PM3055 - 2ch. Digital Storage Oscilloscope
  • Tektronix 2245 - 2ch. Analog Oscilloscope
  • B&O SN 16 - Conventional (analog) powersupply 2x 0-30V/1A 1x 5V/3A
  • B&O SN 17 - Conventional (analog) powersupply 1x 0-30V
  • Delta Exxx - SwitchMode - high voltage output
  • Hameg HM 7042-3 - powersupply 2x 0-32V/2A 1x 2.7 - 5.5V/3A

 


NI PCI-4451

National Instruments PCI-4451

Input/output interface BNC-2140 for PCI-4451

User Manual PCI-4451

User Manual BNC-2140