Audio

Audio, PZT. Piezo tranducers, 5kHz, 3-28Vp-p 8mA @ 12VDC 85dBA @ 12vp-p. No internal electronics - schematic for driving circuit available. Case: Enclosed 24mm D, 34mm with feet. (3) 45mm-wire leads. Package of 50. Learn More

ACME Hardware, knob.

For 1/4" flattened shaft.

Black Band 0.74" around it for gripping easily.

Material: Attractive Chromed Aluminum.

Dimensions: 0.62" D x 0.90" high.

Color: Silver.

Note: The orientation of the indicator line is straight up from the center of the 1/4" (D) circle.

Upgrade your Old System with High Quality New Old Stock Knobs.

Package of 4

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What is this amazing device? This great little gadget is similar to the "disposable hearing aid" you've may have seen advertised on television. It is very small and inconspicuous, yet it can amplify sounds up to 40 or more decibels (that means you will be able to hear some things over 1000 times better!). It is a fun toy for kids, and a useful tool for adults!Just plug in the earphones and turn on the device, adjust the volume to your comfort level, and you are ready to go! You can wear it at your side and amplify all sounds around you, or you can aim the microphone at a source to amplify specific sounds! Batteries not included.

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Microphone Windscreens 1-5/8" tall with a 7/16" dia opening and an inside depth 1-1/3" (available in black or brown) Learn More

Audio, RF. Cable: RCA male straight to RCA male, right angle. Length: 8". Learn More

F20DP60-55F-D Speaker.

8 Ohm.

Light weight.

Depth: 2-1/4" maximum (2" max behind panel).

Some may have a 7 foot, 2 conductor cable with a male RCA plug on one end.

Speaker dimensions: 7-1/8" D, overall with frame is 8".

Cross: 1713-3010.

Note: Package of 2.

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Audio, microphone. Electric condenser microphone cartridge. Omni-directional. Highest quality, very high output into 200Meg Ohm to 500Meg Ohm, using FET AMP with source follower. Has no internal preamps. Can withstand very high S.P.L. (sound pressure level over 90db?). Dimensions: 0.828" (21mm) D x 10.5mm high. Threaded. Learn More

QUORUM - PD-300 PAAL Sport - Personal Alarm Security, personal.

PAAL Sport 107db personal alarm with door clip and pull pin.

The Sports PAAL is a high quality weatherproof (Waterproof) personal attack alarm, designed to withstand outdoor activities, repels moisture and offers the owner a true sense of protection.

Immediately activated by pulling the special pin/cord or by the included door / window N.O. switch opening up. Deactivate it by replacing the special pin to it's original position.

Battery 9V required, not included.

Approx: 2-3/4" x 2" x 1". Color: yellow.

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Audio, microphone cartridge. Electret condenser, omnidirectional 42db +/-3db. Frequency range: 20Hz to 16kHz. Impedance: 2.2K Ohm. Sensitivity: 20Hz ~ 16kHz. Voltage: 4.5VDC. Current: 800uA. Output type: analog. Dimensions: circular 9.7mm D x 6.7mm high. Termination: solder pads. Learn More

Audio, alarms and buzzers. Electromechanical buzzer 120VAC, 5VA. Shock hazard. Dimensions: 0.9" D x 1.7" long x 1". Mount: open frame. Applications: toy train gate warning.

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Filter/resonator. Ceramic resonator 3.58MHz, 30 Ohm. Tolerance: 0.5%. Dimensions: 10mm wide x 5mm deep x 7.5mm high. Package: 2 Pin radial leads. Lead spacing: 5mm. Note: Extended temperature range. Package of 10. From: 500/manuf bag. More info: http://www.ecsxtal.com/store/pdf/ZTAR.pdf Learn More

Edwards Signaling Products - CS1088 - 876-N5 - Audible Alarm.

Security horns, 103dB loud,

120VAC 0.13A 14VA 150-ohm coil.

Case: 4.5" square.

Enclosures sold separately.

Weight: 1.4 lbs.

UPC 093871220332

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Connector. RCA phono male to RCA phono male. One straight connector and one RA, on a white shielded teflon cable. Length: 12". Package of 3. Learn More

ASTATIC - T2M-914 Replacement Omnidirectional Audio, Microphone /Speaker.

Speaker / Microphone matches virtually any transmitter.

Micro switch with positive snap action.

Rotable spring clip on back.

Power Requirements: 3 to 12 VDC.  

Quality Electret Cartridge. 

Lightweight Durable Noryl Housing.

Dimensions: Approximately 2" wide x 3" high x 1.3" D.

Complete with 6 wire Neoprene coil cord, extends to 5-1/2 feet. 

Includes hook up instructions. 

Electret microphones are a type of electrostatic capacitor-based microphone which eliminates the need for a polarizing power supply by using a permanently charged material.

Proudly Made in USA

 

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Audio, microphones. Element only, miniature. Tends to like higher frequencies. Learn More

Speakers. 8 Ohm. Size: 4-1/2" square, 3-1/2" mounts. Cross: 95140679.

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Cable, audio. RCA male to male. Shielded cable. Length: 13". Color. black. Package of 10. Learn More

DM60 Audio. Microphone Cartridge.

400 Ohm coil.

Material: Nylon case.

Dimensions: 0.985" OD x 0.8".

Color: Beige.

Vintage New Old Stock

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Speakers. 4 Ohm, 0.1 watt mylar cone, with a 16 foot power cord, 2 conductor 22AWG and a 1/8" audio plug. size: Overall 1-1/8" D round x 9/16" deep. Learn More

RCA PHONO hi freq PLUG (M) RT ANGLE (SILVER PLATED)13" COAX WIRE Learn More

Audio, microphone. Elements. Manufactured for CTI Audio Inc. Approximate dimensions: 0.553" OD x 0.838" high. No other information available.

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CD Laser assembly. Learn More

Speakers. 8 Ohm 13 watt, heavy magnet, mounted on metal plate with (2) 1/2" mounting hole/slots, with vibration stopping grommets 0.37" ID. SizeL 6" x 2" (150 x 50mm). Overall 8.5" x 2" deep. Cross: KDF-E42A10 Learn More

Full Range Dual Cone Speakers. 16 Ohm 6oz magnet whizzer cone. Size: 5" x 7". Japan

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