Vol.8, No.2; February 1995
THIS STEREO POWER amplifier
module is based on the latest
LM3886 monolithic power ICs &
delivers 50W/channel into 8-ohm
loads. It’s easy to build & has no
adjustments – see page 18.
FEATURES
FEATURES
4 The Latest Trends In Car Sound, Pt.2 by Julian Edgar
Sub-woofer design for cars
14 The 1994-95 CESA Sound & Image Awards by Leo Simpson
The best hifi & video products in 16 categories
PROJECTS
PROJECTS TO
TO BUILD
BUILD
18 50-Watt/Channel Stereo Amplifier Module by Leo Simpson
Uses the latest LM3886 monolithic power ICs
26 Digital Effects Unit For Musicians by John Clarke
Produces echo, delay, reverb & vibrato effects
THIS DIGITAL EFFECTS UNIT
can produce a wide range of
sound effects, including delay,
reverb, echo & vibrato. It is
microprocessor controlled &
uses the latest in digital delay
technology. Details page 26.
40 A 6-Channel Thermometer With LCD Readout by John Western
Displays temperatures from 0-50°C
56 Wide Range Electrostatic Loudspeakers by Rob McKinlay
New design is available in kit form
72 Build An Oil Change Timer For Your Car by Darren Yates
It warns you when the engine hours are up
SPECIAL
SPECIAL COLUMNS
COLUMNS
53 Computer Bits by Darren Yates
Adding a CD-ROM drive to your computer
62 Serviceman’s Log by the TV Serviceman
The topsy turvy world of remote control
KEEP TABS ON the operation of
air conditioners, solar heaters,
greenhouses, small animal
enclosures & fish tanks with this
6-channel thermometer. It has
an LCD readout & can track six
temperatures within a 10-metre
radius. Turn to page 40.
77 Remote Control by Bob Young
Building a remote control system for models; Pt.2
82 Vintage Radio by John Hill
Restoring a Tasma TRF receiver
DEPARTMENTS
DEPARTMENTS
2
3
9
38
Publisher’s Letter
Mailbag
Order Form
Circuit Notebook
88
91
94
96
Product Showcase
Ask Silicon Chip
Market Centre
Advertising Index
CAN YOU REMEMBER when you
last changed your car’s oil. Build
this Oil Change Timer & you
won’t need to. It beeps a buzzer
& flashes a LED when the engine
hours are up – see page 72.
February 1995 1