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INDEX
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AUDIO
D.I.Y. KITS
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INDEX
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AUDIO
D.I.Y. KITS
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HK00619
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HK00221
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HK00740
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HK00223
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HK00744
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HK00598
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HKSK015
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HK00620
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HK00664
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HK00725
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HK00717
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HK00967
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HK00849
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HK00810
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HK00512
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| Mono pre-amp |
| Stereo RIAA pre-amp |
| Stereo pre-amp |
| Siren generator |
| Audio power meter |
| Function generator |
| VHF receiver |
| Mono VU meter |
| Record / Playback |
| Sound level meter |
| Metronome |
| IR Remote volume control |
| IR Transmitter |
| FM radio |
| Voltage monitor |
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CHK00833
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HK00232
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HK00233
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HK00235
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HK00245
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HK00743
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HKSK048
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HK00742
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HK00603
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HK00836
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HK00726
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HK00716
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HK00966
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HK00964
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HK00815
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HK00851
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| Electronic Cricket |
| Mono 7W amp |
| Stereo 15W amp |
| Sound generator |
| Chime generator |
| Speaker protection |
| Mono FM tuner |
| Stereo VU meter |
| Robot voice |
| Beat frquency oscilator |
| Sound generator |
| Signal generator |
| IR Remote volume control |
| Pocket VU meter |
| Stereo amplifier |
| USB experimental board |
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| Code:- |
CHK00619 |
| Price |
£14-50 |
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This has been developed as
a pre-amp for audio
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applications where there
is insufficient input signal.
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Ideal as mic. pre-amplifier
or for signal matching
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of tuner or tape outputs
and for level correction.
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Compact design
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Low power consumption
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Excelent frequency response
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Technical
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Data
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Power DC
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12V @10mA
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Input Imp
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10K
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Max I/P Level
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40mV
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Gain (variable)
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40dB max
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Max O/P Level
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2V
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Min O/P Load
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4K7
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Frequency Resp
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20Hz-20KHz
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PCB Size mm
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44 x 30mm
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Universal Mono Pre-Amplifier Kit
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| Code:- |
CHK00833 |
| Price |
£11-00 |
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Use to simulate a warm summer
night
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Automaticly
switches on at dusk
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Cricket repetition, effect,
tone adjustable
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Adjustable
light sensitivity.
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Technical
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Data
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Battery
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PP3
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5 m/a
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(not supplied)
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Size mm
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55 x 32 x 40
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K180-2385
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Electronic Cricket Module Kit
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| Code:- |
CHK00232 |
| Price |
£20-00 |
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7 Watt amplifier constructed
around the
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TDA2003 IC,
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Capable of delivering 7W
mpo at 4R.
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The IC is completely thermally
and
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short circuit protected.
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Technical
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Data
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Power DC
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12V
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Input Imp
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150K
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I/P sens.
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40mV
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Gain (variable)
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40dB max
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Max O/P power
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7W
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Min spkr. imp.
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4R
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Frequency Resp
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20Hz-20KHz
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PCB Size mm
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55x35mm
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Mono 7 watt Amplifier Kit
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| Code:- |
CHK00221 |
| Price |
£14-00 |
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RIAA low noise
stereo pre-amplifier
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for use with
md pick-ups.
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Has adjustable output gain
control.
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Technical
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Data
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Power:- Volts
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12V DC.
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Power:- Current
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5mA
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Input Imp
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47K
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Max I/P Level
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5-10mV
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Max O/P
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2V
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Min O/P load
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4K7
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PCB Size mm
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65x44
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Stereo RIAA correction Amp Kit
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| Code:- |
CHK00233 |
| Price |
£27-00 |
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Amplifier constructed around
the TDA1521 IC
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with a maximum supply capability
of
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2x15W (4R) or 2x10W (8R)
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Requires AC power supply
NOT DC
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The IC is completely thermally
and
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short circuit protected
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Technical
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Data
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Power volts AC
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2x12V AC
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Current
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2x2A
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I/P Level for:-
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15W out
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Input imp.
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150K
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Max O/P Level
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2x15W
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Min O/P Load
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4R
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Frequency Resp
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7Hz-60KHz
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PCB Size mm
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70 x 50mm
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Stereo 15 W Amplifier kit
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| Code:- |
CHK00740 |
| Price |
£16-50 |
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Kit has been developed
as a low noise
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pre-amplifier with a good
gain factor for use
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where there is insufficient
input signal.
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Fitted with individual
channel sensitivity controls
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Technical
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Data
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Power
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12V DC
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Input Imp
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10K
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Max I/P Level
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50mV
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Gain (variable)
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40dB max
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Max O/P Level
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2V
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Min O/P Load
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4K7
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Frequency Resp
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40Hz-30KHz
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PCB Size mm
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65 x 44mm
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Stereo Pre-amplifier Kit
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| Code:- |
CHK00235 |
| Price |
£28-00 |
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An electronic sound generating
unit,
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generates Machine gun, European
siren,
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Phasor gun,
Racing car, Screaming car tyre,
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Explosion, Motar fire, Music,
Charging noise,
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US siren, Snake charmers
noise etc.
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It can be
connected to
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both a mixing desk and speaker.
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Technical
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Data
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Power volts
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12V DC
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Power current
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100mA
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Line O/P (max)
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1V
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Min. O/P load
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4K7
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Max.Spkr. O/P
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1W
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Min spkr. imp.
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4R
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PCB Size mm
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75 x 75mm
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Sound Generator Module Kit
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| Code:- |
CHK00223 |
| Price |
£14-50 |
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Module produces a siren
sound which
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may be adjusted by three
on board trimmers.
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Also contains
2W on board speaker amplifier.
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Technical
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Data
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Power volts
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8-12V DC
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Power current
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1A(max)
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PCB Size mm
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79 x 57mm
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Siren Module Kit
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| Code:- |
CH00245 |
| Price |
£24-00 |
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Up to three electronic chimes
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can be generated
one after another.
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The volume and tone of these
chimes
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can be altered
by on board pre-sets.
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Will drive
a small loudspeaker.
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An existing
bell transformer can be connected.
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Technical
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Data
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Power volts
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4.4V DC
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Power current
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300mA(max)
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Min.spkr.imp.
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4R
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PCB Size mm
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53 x 59mm
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Multi Tone Chime Kit
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| Code:- |
CHK00744 |
| Price |
£24-00 |
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Power meter that measures
up to 2000W rms on a
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10 LED scale. This unit
does not require an external
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power
supply as supplied directly from speaker output.
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Unit can be used both horizontally
or vertically
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supplied with
a front panel and four diferent scales.
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Ideal for testing amplifiers,
PA systems etc.
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Technical
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Data
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Low power mode:-
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Min.input sens.
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1.1V(rms)
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Scales:
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0.15-200W(rms)
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8R load
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0.3-400W(rms)
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4R load
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High power mode:-
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Max.input volts.
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130V(rms)
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Scales:
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5-1000W(rms)
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8R load
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10-2000W(rms)
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4R load
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Dimensions:-mm
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120x28x40
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Audio Power Meter Kit
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| Code:- |
CHK00743 |
| Price |
£21-50 |
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A
dual channel protection unit that prevents power on
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thumps from harming your stereo speaker system.
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Offers
protection from DC components present
on
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the
output of any connected amplifier.
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Technical
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Data
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Switch on delay
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+/-6 seconds
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DC protection
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+1V/-1V
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Max. input volts
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200V pk to pk
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Max.Switch cur.
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10A
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LED ind. DC
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on spkr. out.
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PCB Size mm
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125 x 55mm
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2 Channel Speaker Protection
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| Code:- |
CHK00598 |
| Price |
£44-00 |
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This easy
to build kit provides sine,square
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or saw tooth waveforms continuously
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variable 1Hx to 100KHz.
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Amplitude
adjustable via rotary potentiometer
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Kit comes
complete with all parts including case
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Technical
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Data
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Power
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Battery
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Max O/P
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2 .5V
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Frequency
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1Hz-100KHz
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REGRET
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WITHDRAWN
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Wide Range Function Generator
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| Code:- |
CHKSK048 |
| Price |
£30-00 |
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An interesting receiver circuit
to start in the world
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of radio communication
with.
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The use of specially designed
integrated circuit
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simplifies
the circuit and avoids adjustments.
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Technical
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Data
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Power DC
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9-12V
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Current
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200mA
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FM circuit Level
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Superhet
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FM band
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88-108MHz
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Sensitivity
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6uV
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Audio power
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1.5W
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Min.spkr.imp.
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4-8R
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Mono FM Receiver Kit
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| Code:- |
CHKSK015 |
| Price |
£25-00 |
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A super regenerative circuit
FM receiver.
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As
no adjustments are needed this is an
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ideal kit
for the beginners to electronics.
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Technical
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Data
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Power
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6V
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Current
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100mA
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VHF band
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60-150MHz
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Audio power
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0.5W
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Min.spkr.imp.
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4-8R
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VHF Receiver
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| Code:- |
CHK00742 |
| Price |
£23-00 |
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Used with 6 & 12 channel
mixers, will monitor
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the input level of each channel.
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Module consists of 2 stereo
VU meters
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with 4 identical 5 LED bargraph
driver circuits.
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Each
display consists of:-
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3 green, 1 orange, 1 red LED.
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Indication
levels -13, -8, -3, 0, +3 dB
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Technical
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Data
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Power DC
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10-15V DC
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Current
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62mA
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Sensitivity
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0dB=0.775rms
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PCB Size mm
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40 x 55mm
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Stereo VU Meter Kit
|
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| Code:- |
CHK00620 |
| Price |
£25-00 |
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VU meter comes with a 10
LED scale and an
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adjustable input and light
bar display.
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Kit also comes with two
attractive front panels
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for
horizontal and vertical mounting.
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Display:-
7 green 2 yellow 1 red.
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Technical
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Data
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Power DC
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10-15V DC
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110-250mA
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Range
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-20- to +3dB
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Low input
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0.150-6V RMS
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High input
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1.5-60V RMS
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PCB Size mm
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37 x 68mm
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Mono LED VU Meter Kit
|
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| Code:- |
CHK00603 |
| Price |
£13-50 |
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This unique circuit accepts
a microphone level
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signal input and alters
the human voice to sound
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like that of a robot, board
mounted rotory pot
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adjusts
degree of voice change.
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Unity
overal gain.
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Technical
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Data
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Power DC
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9-12 V DC
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100mA
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PCB Size mm
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44 x 57mm
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"Robot Voice" Speech Changing Kit
|
 |
| Code:- |
CHK00664 |
| Price |
£39-50 |
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High quality natural voice
/ audio reproduction
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Creates up to 5 messages
for a total of 20 seconds.
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Two play modes push or hold
to play
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Ideal for use with home
made toys or robots
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EEPROM technology with 100
year message retention.
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Microphone and speaker included
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No memory loss in event
of power failure.
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Technical
|
Data
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Power DC
|
8-18 volt V DC
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or Battery
|
9 Volt
|
|
PCB Size mm
|
94 x 25mm
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|
Electronic Record / Playback Module Kit
|
 |
| Code:- |
CHK00836 |
| Price |
£13-00 |
|
|
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Generates the sound of a
vintage steam engine
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Adjustable speed and volume
control.
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Ideal for model railways
or radio plays,
|
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also fitted with whistle
effect.
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Technical
|
Data
|
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Power (Battery)
|
9 Volt
|
|
Not supplied
|
PP3
|
|
PCB Size mm
|
100 x 83mm
|
|
|
Steam Engine Sound Generator Kit
|
 |
| Code:- |
CHK00725 |
| Price |
£11-00 |
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