Aug - AmericanRadioHistory.Com

"T HE PLAY'S
HE THING" G
Hamlet
AV AILABLE at all leading
di tributors throughout the
Un iced States.
If you are interested in high fidelity
Y u one it to yourself to see and
ha or this remarkable instrument.
MIRACORD 1
XA -100
Record changer
The superb craftsmanship of the
Miracord XA -100 permits only
the recording, not the surface
noise of the record, to reach
your ear!
J
aid ate
MIRAPHON
XM-110
This outstanding manual
player has a specially
designed 4 pole motor, and is
completely free from wow
and rumble. The tone arm and
turntable are suspended in
ball bearings.
If you are interested in High
Fidelity you owe it to yourself
to see and hear these remarkable
instruments.
AUDIOGERSH
CORPORATION
23 Park Place, N. Y. 7, N. Y.
(
J
CREEPING DISTORTION
Continued from page 36
eye -dropper and some carbon tetrachloride,
shooting in a few drops
where the shaft enters the control, then
rotating it to work the liquid around.
Unfortunately, noisy controls are often
caused by leaky coupling capacitors -
which can also cause considerable
audio distortion. If cleaning has no
effect, better get your preamplifier in
competent hands quickly.
Noisy switches can often be cleared
just by rapid flipping. Sometimes mysterious
noises will disappear if you
take the tubes out of their sockets,
clean the tube prongs, and reinsert them
Beyond these measures, there isn't
much you can do to your preamplifier,
except deduce that the trouble may
really be in your power -amplifier.
Power amplifiers, as the name implies,
furnish th:: high -level energy
that makes the sound. A good rule to
follow: look first for spurious noises in
your preamplifier section; look first in
the power amplifier if your amplifier
.(tjetr
E V E L L E I lr' F
Always at the head of it
class, with honors in profes
sional studio service, thi s
Stephens condenser microphone
is the natural choice
of the home user who knows
the difference . designed
for the single microphone
system, because it is engi
neered to pick up not onl
all the lows and highs you've
come to expect in fine hig
fidelity recording, but th
full dynamic range of soum
as well, from a low throat:
whisper to full Wagneriat
brass.
Sensitive, of course, bu t
rugged enough to withstant 1
shock. This is an expensiv e
microphone, but the prover
results indicate its value.
ST
Stephens Manufacturing Cor P.
8538 Warner Drive
Culver City, California
S
One -Third
Actual Site
.1
Speakers
Microphones
fight cancer
with a CHECK
and a
CHECKUP
a check
to help others...
a checkup
to help yourself.
AMERICAN
CANCER SOCIETY
86
HIGH FIDELITY MAGAZINE