<s>
The	O
Jabez	B-Device
Gough	I-Device
Enclosure	I-Device
(	O
also	O
known	O
as	O
the	O
Jabez	O
Gough	O
Loudspeaker	O
,	O
or	O
Gough	O
Loudspeaker	O
)	O
was	O
invented	O
in	O
1960	O
by	O
Jabez	O
Gough	O
,	O
a	O
radio	O
engineer	O
,	O
living	O
in	O
Cardiff	O
,	O
South	O
Wales	O
.	O
</s>
<s>
Challenging	O
the	O
dominant	O
acoustic	O
theories	O
of	O
his	O
day	O
and	O
opposed	O
by	O
some	O
major	O
loudspeaker	O
manufacturers	O
,	O
Gough	O
decided	O
to	O
publish	O
and	O
sell	O
his	O
own	O
plans	O
for	O
the	O
construction	O
of	O
the	O
enclosure	B-Device
,	O
which	O
proved	O
very	O
popular	O
in	O
this	O
do-it-yourself	O
era	O
and	O
many	O
thousands	O
of	O
copies	O
were	O
purchased	O
by	O
hi-fi	O
enthusiasts	O
worldwide	O
.	O
</s>
<s>
The	O
Jabez	B-Device
Gough	I-Device
Enclosure	I-Device
was	O
first	O
demonstrated	O
publicly	O
on	O
19	O
October	O
1960	O
,	O
in	O
Tongwynlais	O
,	O
South	O
Wales	O
.	O
</s>
<s>
In	O
a	O
front-page	O
article	O
for	O
The	O
Observer	O
on	O
27	O
November	O
,	O
Peter	O
Schirmer	O
declared	O
that	O
a	O
Gough	O
enclosure	B-Device
,	O
fitted	O
with	O
a	O
single	O
12-inch	O
loudspeaker	O
unit	O
,	O
"	O
could	O
fill	O
St	O
Pauls	O
Cathedral	O
with	O
almost	O
perfect	O
high	O
fidelity	O
sound.	O
"	O
</s>
<s>
Powered	O
by	O
a	O
single	O
15-watt	O
valve	O
(	O
tube	O
)	O
amplifier	O
,	O
and	O
fitted	O
with	O
two	O
eight-inch	O
loudspeaker	O
units	O
,	O
the	O
Jabez	B-Device
Gough	I-Device
Enclosures	I-Device
managed	O
to	O
fill	O
the	O
opera	O
house	O
with	O
sound	O
.	O
</s>
<s>
By	O
1973	O
some	O
35,000	O
copies	O
of	O
the	O
construction	O
plans	O
for	O
the	O
enclosure	B-Device
had	O
been	O
sold	O
around	O
the	O
world	O
.	O
</s>
<s>
One	O
specialist	O
commentator	O
wrote	O
at	O
this	O
time	O
that	O
the	O
Gough	O
Enclosure	B-Device
,	O
and	O
its	O
revolutionary	O
design	O
,	O
was	O
"	O
one	O
of	O
the	O
biggest	O
controversies	O
the	O
hi-fi	O
world	O
has	O
known.	O
"	O
</s>
<s>
Measuring	O
almost	O
six	O
feet	O
square	O
,	O
the	O
Jabez	B-Device
Gough	I-Device
Enclosure	I-Device
inevitably	O
lost	O
popularity	O
as	O
portability	O
and	O
miniaturisation	O
of	O
audio	O
systems	O
took	O
hold	O
in	O
the	O
eighties	O
and	O
nineties	O
.	O
</s>
