Analyser, acoustic, Building acoustics
Object
- Accession Number
- OBJ_0028196
- Classification
- Communications, Sound
- Creator / Manufacturer
- Brüel and Kjaer, Bruel Kjaer
- Date / Period
- 1984
- 1984-1998
- Place
- Denmark
- Canada, Ontario
- Brand / Model
- 4418A, 1086399
- Description
- Metal casing and connector pieces with hard synthetic knobs and flexible synthetic handles.
Predominantly black casing with light green panels on the proper front and the proper back. On the green panels are black markings and knobs, silver coloured metal connectors,and white, blue, pink and grey stickers. On the proper front there are several black switches and indicators with white markings printed on them. On the proper top there are two black synthetic handles that collapses almost flush with the top of the casing.
On the proper front, printed on the green panel: "Building Acoustics Analyzer Type 4418/ Rem. Control/ Direct/ Direct/ Rem. Control/ Ch. A Input/ Direct/ Preamp./ Ch. B Input/ Preamp./ Pol. Volt./ 200 V/ 0 V/ Preamp./ [logo]/ Brüel & Kjaer/ Cal./ Cal./ Ext. Power/ Power/ On/ Range dB/ 20/ 30/ 40/ Rev. Time/ Samples/ 1/ 3/ 9/ Channel/ A & B/ A/ Averaging/ Time/ 32 s/ 16 s/ 5 s/ Recorder/ Single Freq./ Spectrum/ Printout/ Off/ Spectrum/ 50/ 1,25/ 70/ 2,5/ 90/ 5/ 110/ 10/ 130/ 20/ dB/ s/ F.S./ Cal./ DC Output/ Rem. Control/ Level Recorder/ Noise Output/ Ch. A/ Ch. B"/ Labels on and above the various indicators on the proper front: "Stop/ Repeat/ Run/ 2nd/ Calibration/ Level dB Reverberation Time s/ Colon: Batt. Low/ Error/ Clear/ Memory/ V/ m3/ S/ m2/ Source/ Room/ Level/ Receiving Room/ Backgr./ Level/ Level/ Rev. Time/ Ch. A/ Ch. A (Ch. B if A & B)/ Measurement/ Option/ Level/ Differ-/ ence/ Impact/ Level/ Standard-/ ized/ (0,5 s)/ Normal-/ ized/ (V, S)/ Index/ (V, S)/ Sound/ Power/ (V, S)/ Select Level Differ-/ ence or Impact Level/ Calculation/ Hz/ kHz/ 100/ 125/ 160/ 200/ 250/ 315/ 400/ 500/ 630/ 800/ Hz/ N/ n/ 0/ 1/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ 9/ 1/ 1,25/ 1,6/ 2/ 2,5/ 3,15/ 4/ 5/ 6,3/ 8/ kHz/ 1/3 Octave Centre Frequency"/ On the black component attached on the proper front in the proper top right corner: "Battery Box/ ZG 0146/ [logo]/ Brüel & Kjaer/ Release"/ On the assorted stickers on the proper front: BNR [logo]/ ACOUSTIC DESIGN"/ "nt/ FOR/ INDICATION/ ONLY"/ "L- 27355 [logo]"/ On a sticker on the proper top: "Bell-Northern Research/ L0027355"/ Printed on the green panel on the proper back: "Chassis/ Chassis/ Printer/ Interface Bus (LP)/ Fuse: T/ 500 mA/250 V"/ On the two stickers on the proper back: "Brüel & Kjaer/ Serial No. 1 086366/ Made in Denmark"/ [logo]/ BRUEL & KJAER CANADA LTD./ 90 Leacock Road, Pointe Claire, Qué./ MODEL 4418A, s.n. 1086399/ VOLT/ HZ/ VA/ PURCHASE/ DATE/ JULY 1984/ FUSE"
Appears complete - Description
- Metal casing and connector pieces with hard synthetic knobs and flexible synthetic handles.
Predominantly black casing with light green panels on the proper front and the proper back. On the green panels are black markings and knobs, silver coloured metal connectors,and white, blue, pink and grey stickers. On the proper front there are several black switches and indicators with white markings printed on them. On the proper top there are two black synthetic handles that collapses almost flush with the top of the casing.
On the proper front, printed on the green panel: "Building Acoustics Analyzer Type 4418/ Rem. Control/ Direct/ Direct/ Rem. Control/ Ch. A Input/ Direct/ Preamp./ Ch. B Input/ Preamp./ Pol. Volt./ 200 V/ 0 V/ Preamp./ [logo]/ Brüel & Kjaer/ Cal./ Cal./ Ext. Power/ Power/ On/ Range dB/ 20/ 30/ 40/ Rev. Time/ Samples/ 1/ 3/ 9/ Channel/ A & B/ A/ Averaging/ Time/ 32 s/ 16 s/ 5 s/ Recorder/ Single Freq./ Spectrum/ Printout/ Off/ Spectrum/ 50/ 1,25/ 70/ 2,5/ 90/ 5/ 110/ 10/ 130/ 20/ dB/ s/ F.S./ Cal./ DC Output/ Rem. Control/ Level Recorder/ Noise Output/ Ch. A/ Ch. B"/ Labels on and above the various indicators on the proper front: "Stop/ Repeat/ Run/ 2nd/ Calibration/ Level dB Reverberation Time s/ Colon: Batt. Low/ Error/ Clear/ Memory/ V/ m3/ S/ m2/ Source/ Room/ Level/ Receiving Room/ Backgr./ Level/ Level/ Rev. Time/ Ch. A/ Ch. A (Ch. B if A & B)/ Measurement/ Option/ Level/ Differ-/ ence/ Impact/ Level/ Standard-/ ized/ (0,5 s)/ Normal-/ ized/ (V, S)/ Index/ (V, S)/ Sound/ Power/ (V, S)/ Select Level Differ-/ ence or Impact Level/ Calculation/ Hz/ kHz/ 100/ 125/ 160/ 200/ 250/ 315/ 400/ 500/ 630/ 800/ Hz/ N/ n/ 0/ 1/ 2/ 3/ 4/ 5/ 6/ 7/ 8/ 9/ 1/ 1,25/ 1,6/ 2/ 2,5/ 3,15/ 4/ 5/ 6,3/ 8/ kHz/ 1/3 Octave Centre Frequency"/ On the black component attached on the proper front in the proper top right corner: "Battery Box/ ZG 0146/ [logo]/ Brüel & Kjaer/ Release"/ On the assorted stickers on the proper front: BNR [logo]/ ACOUSTIC DESIGN"/ "nt/ FOR/ INDICATION/ ONLY"/ "L- 27355 [logo]"/ On a sticker on the proper top: "Bell-Northern Research/ L0027355"/ Printed on the green panel on the proper back: "Chassis/ Chassis/ Printer/ Interface Bus (LP)/ Fuse: T/ 500 mA/250 V"/ On the two stickers on the proper back: "Brüel & Kjaer/ Serial No. 1 086366/ Made in Denmark"/ [logo]/ BRUEL & KJAER CANADA LTD./ 90 Leacock Road, Pointe Claire, Qué./ MODEL 4418A, s.n. 1086399/ VOLT/ HZ/ VA/ PURCHASE/ DATE/ JULY 1984/ FUSE"
Appears complete - History of Use
- Used to characterize the acoustic properties of rooms where acoustic experiments were conducted. (From the Acquisition Proposal, see Ref. 1)
- See Elsewhere
- ingenium.ca
- Record Rights
- © Ingenium
- http://creativecommons.org/licenses/by-nc/4.0/
From The Collection Of
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