Sound

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Sound Level Meter P5055,U11801

Sound Level Meter P5055

$ 125.00
Item: U11801 [1002778]
Universally deployable digital meter used to determine the sound level of any number of acoustic sources across a wide sound range. Device is housed in a robust plastic casing with integrated calibration signal and large LCD display for easy ... more

 
Demonstration Monochord,U15100

Demonstration Monochord

$ 170.00
Item: U15100 [1002959]
The Demonstration Monochord investigates the relationship between the pitch of a sound and the length of the string. Also investigate overtones formed by harmonic waves with intermediate nodes and the dependence of the pitch on string tension ... more

 
Set of 3 Monochord Strings,U15101

Set of 3 Monochord Strings

$ 24.00
Item: U15101 [1002960]
Two steel and one nylon string with eyelets, fitting the monochord D(U15100) more

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Chladni

Chladni's plates

$ 27.00 $ 15.81
Item: U18072
For the purpose of demonstrating Chladni's acoustic figures with fine, dry sand. Plates with 4-mm-plugs. square 140 mm x 140 mm more

 
Kundt

Kundt's Tube With Scale

$ 619.00
Item: U20600 [1003115]
Transparent acrylic tube with scale and end plates for measuring standing acoustic waves and determining their wavelength in air or in other gases. With tubing nozzles for filling the tube with various gases, built-in speaker at one end, ... more

 
Probe Microphone,U20601

Probe Microphone

$ 310.00
Item: U20601 [1003116]
Probe microphone for measuring changes in sound pressure in a Kundt tube with scale (U20600). A miniature microphone is attached to one end of a long stainless steel rod. Frequency range: 20 Hz – 20000 Hz Dimensions: approx. 740 mm ... more

 
Battery Box,U20602

Battery Box

$ 208.00
Item: U20602 [1003117]
Accessories for probe microphone (U20601) including a power supply and equipment for connecting the microphone to a meter or oscilloscope. The equipment includes a battery compartment for one 9 V alkaline battery and a voltage regulator to ... more

 
Analog Sound Meter,U40182

Analog Sound Meter

$ 90.00
Item: U40182
Features:
  • Easy to read analog display
  • Max Hold
  • Battery check
  • Analog output for connection to chart recorders and dataloggers.
  • Tripod mount ideal for field use
Specifications: Ranges: 54 to 126 dB in 7 ranges ... more

 
Digital Sound Meter,U40183

Digital Sound Meter

$ 90.00
Item: U40183
Features:
  • +/- 2dB accuracy with 0.1dB resolution
  • A&C weighting
  • AC analog output
  • Record max/min values over time
  • Auto power off and Max Hold functions
  • Utilizes 0.5" (12.7mm) condenser microphone
... more

 
Plug in power supply for U40322,U40323-115

Plug in power supply for U40322

$ 17.00
Item: U40323-115
Power supply for use with U40322 which eliminates the need for a 9V battery. more

 
Reed Pipe,U8430160

Reed Pipe

$ 35.00
Item: U8430160 [1012893]
Reed pipe with 8 valves, tuned to G major. Length: 37 cm Weight: approx. 90 g more

 
Lip Whistle,U8430185

Lip Whistle

$ 61.00
Item: U8430185 [1009924]
Lip whistle for experiments on pitch as a function of resonance space. Closed wooden whistle with a round cross-section and movable piston, chromatic range from g1 (392 Hz) to g² (794 Hz). Frequency range: approx. 400 Hz –800 Hz ... more

 
Metallophone,U8430290

Metallophone

$ 79.00
Item: U8430290 [1000804]
Metallophone for demonstrating a C major scale from c² to g². Note labels, frequencies and frequency ratios are printed on the instrument. With striking hammer. Dimensions: approx. 320x210 mm² Weight: approx. 510 g more

 
Helmholtz Resonator d = 70 mm,U8430310

Helmholtz Resonator d = 70 mm

$ 28.00
Item: U8430310 [1003520]
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air ... more

 
Helmholtz Resonator d = 52 mm,U8430320

Helmholtz Resonator d = 52 mm

$ 22.00
Item: U8430320 [1003521]
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air ... more

 
Helmholtz Resonator d = 40 mm,U8430330

Helmholtz Resonator d = 40 mm

$ 19.00
Item: U8430330 [1003522]
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air ... more

 
Helmholtz Resonator d = 32 mm,U8430340

Helmholtz Resonator d = 32 mm

$ 17.00
Item: U8430340 [1003523]
Hollow glass bulb with a narrow tube leading out for demonstrating acoustic resonance. The fundamental oscillation is generated by blowing into the opening or banging on the outside of the bulb. The elasticity and inertial mass of the air ... more

 
Monochord,U8431216

Monochord

$ 212.00
Item: U8431216 [1000806]
A wooden box open at both ends, with a clamping mechanism for a string to demonstrate the relationship between pitch and string length and the dependence of pitch on string tension. Includes an indicator for the tensioning force, as well as ... more

 
Horn Loudspeaker,U8432680

Horn Loudspeaker

$ 151.00
Item: U8432680 [1000811]
Speaker that approximates to being a point source for excitation of Kundt tube (U8432845), for example. Without barrel foot. Frequency range: 300 Hz – 10 kHz Max. load capacity: 8 W (max. 10 W) Impedance: 8 Ω Shaft: 10 mm ... more

 
Wide-Band Loudspeaker,U8432770

Wide-Band Loudspeaker

$ 125.00
Item: U8432770 [1000812]
Ideal sound source for acoustics experiments in the frequency range 60 Hz to 23 kHz. Includes connecting lead with 4 mm safety plugs. Frequency range: 60 Hz to 23 kHz (-10 dB) Power capacity: 100 W (as per IEC 268-5) Impedance: 4 &Omega ... more

 
Kundts Tube,U8432845

Kundts Tube

$ 83.00
Item: U8432845 [1000814]
Glass tube for demonstrating standing sound waves and calculating wavelengths of sound using cork powder in a method devised by Kundt. Cork powder is spread evenly throughout the tube by means of a filler chute. Then a sound source, e.g. ... more

 
Cork Powder, 10 g Bottle,U8432850

Cork Powder, 10 g Bottle

$ 7.00
Item: U8432850 [1000815]
Fine cork powder for use in Kundt’s glass tube (U8432840). more