Electronics Forum / Electronics / May 2005

Can someone suggest a speaker driver, with good dynamic range, suitable for
an AKAI 1980s vintage amp.
Budget $60-$80 for 2 drivers that can be directly connected, don't want to
do a crossover.

Hi, does anyone know where in the U.S. can I buy a pair of jumper wires
about 18 inch long (twisted around each other) with a shorting block at each
end?  It looks similar to the one in the following picture except that I
want both ends to have shorting blocks:

I am looking for a TV tuner card for my athlon 2100 (win 2000, 756MB). I
would like it to do the following.
Allow me to record shows in my absence.
Allow me to burn shows as divx or at least record them in a format I can

I am looking for a surface mount capacitor of the value 0.01u I was
wondering if any one know where I can buy one hopefully in Melbourne or on
the internet
thanks Peter

Just wonder what your personal opinions are
on which sounds better.
I have a Kriesler valve based table radio and also
a table radio that is solid state. But when I listen

We have built a computer controlled C02 laser for cutting and engraving.
Thought some of you may be interested to have a look.
http://www.theblakelaser.com/
Any comments are welcome.

I am looking for a cct for a simple preamp running off 12VDC to boost
the o/p of my phono cartridge so that it can be used as a line-in
source on the s/c of my PC. I have a large lot of vynil records that I
am going to burn to CD.

I have a DC motor from a old RC car and I want to make it into a AC
generator with an output of around 8V or greater. But when I run it from a
drill the output that I get at the terminals is 0.8V. If I were to rewind
the motor with a finer wire would that increase the output or ...

I know this is a long shot, but would anyone here have a schematic or
manual for an HP Ergo 1600 21" monitor? I'll get the thing sorted
eventually, but it would be much quicker and easier if I had some info
on it.

I am wiring a car windshield wiper motor directly to a car battery. The
wiring diagram says +12v Terminal1   -12v case grounded
Does that mean to connect positive lead to terminal one and the negative
 lead from the battery is made to contact the case, probably at the

i'm searching for an US phased array for an ultrasonic air sonar.
Unfortunately I couldn't find any vendor of such devices.
Alternative I could use some US transconductors with a very small
opening angle.

Which do most people prefer?
I just purchased a brand new electric shaver and I have
to say after using it for a couple of weeks now I find
I get a better shave with my blade shaver which only cost

Which do most people prefer?
I just purchased a brand new electric shaver and I have to say after
using it for a couple of weeks now I find I get a better shave with
my blade shaver which only cost me a 10th of what the electric one

I am looking for an IR LED movement detector that is able to detect up to 5
metres, where the IR signal can reflect off a human body and bounce back
into an IR LED receiver on the same circuit board and then triggers.
Don't want magnifying lenses or reflectors of any sort.  Need ...

When I first bought my townhouse, I thought the huge park behind was
good. Three days after I moved in, I realized it was a testing ground of the
RC plane fans. Tens of noisy planes hover arround the area every weekend.
Now for a mental exercise, I have decided to design a ...