Stereo VU Meter

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Stereo VU Meter

Documentation in acrobat format (K89)

Simple, low cost stereo VU meter. Two LM3915 dot/bar display driver ICs used to drive 2 rows of 10 LEDs(14 green,6 red)in a moving bar display. Each row of LEDs spans a power range of 0-30 dB in ten 3-dB steps. This VU meter indicates 'peak music power' when used with audio amp. Ideal add-on for any amplifier kit. PCB size: 65mm x 42mm.(2.6" x 1.65") This VU meter is capable of monitoring and displaying power levels present at the speaker terminals of a stereo audio power amplifier. Levels are displayed in ten discrete steps. This meter is not designed to give an accurate display of the power levels. It is designed to give an approximate visual indication of the audio power output of each channel. For many situations-disco, parties- this is all which is required: the flashing LED's add atmosphere to the situation. No calibration required. The kit is constructed on single-sided printed circuit board. It contains two identical circuits, one for each channel of the amplifier.(CPS89)

Quantity	Price
1 – 9	$15.96
10 – 99	$15.12
100 +	$13.86

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		CPS89
Quantity Available:		9

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This module contains 2 stereo VU meters with 2 x 5 LED indicators.

Specifications

indication: -13, -8, -3, 0, +3dB
sensitivity: 0dB = 0.775Vrms (easily adjustable)
supply voltage: 14 - 18V DC / 62mA
PCB dimensions: 1.1" x 3.9"

Extra Info
- Hints
The elder front-panels are not prepared for the mounting of these kits. However, a separate film is available on request so that it is possible to realise this extension merely by slightly adapting the existing aluninium panel.
(K2668)

Quantity	Price
1 – 9	$19.62
10 – 99	$18.23
100 +	$17.62

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		K2668
Quantity Available:		5

POCKET VU METER

Surprise your friends in the disco. 5 red LEDs. Incorporated microphone. Adjustable sensitivity.

power supply: 3V type CR2032 battery (not incl.)
(MK115)

Quantity	Price
1 – 9	$8.38
10 – 99	$7.94
100 +	$7.28

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		MK115
Quantity Available:		7

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Four high-intensity LEDs light up and react simultaneously on every sound. For different funny and practical applications, such as : sound indicator, simple sound-to-light unit for music, for the hearing impaired : can be used to indicate the telephone, door bell. Adjustable sensitivity with potentiometer. Built-in microphone. (MK103)

Quantity	Price
1 – 9	$4.79
10 – 99	$4.54
100 +	$4.16

Skill Level of Item:		(Kit - Basic Soldering Required)
Product #		MK103
Quantity Available:		9