Forum: uk.rec.audio (General Audio and Hi-Fi)
February 27th 18, 10:31 AM Posted to uk.rec.audio
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Replies: 4
Views: 613
Is Manx Radio suddenly at huge power?
Brian Gaff wrote:
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Hmm so its beamed then, which could mean the actual erp is higher than the
real transmitter power.
** The long wavelength of 1386kHz makes...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 26th 18, 01:30 AM Posted to uk.rec.audio
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Replies: 4
Views: 613
Is Manx Radio suddenly at huge power?
Brian Gaff wrote:
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I notice that Manx Radio is now the strongest station on Medium wave at
night on 1368Khz, and its jingles proclaim the nations station. It even
fades...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 24th 18, 02:50 AM Posted to uk.rec.audio
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Replies: 7
Views: 590
Rowridge fixed.
Andrew wrote:
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BBC FM channels back to normal, or even better than before,
although this might be because I paid a visit to the loft
and cleaned up the connections to my 3-el...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 18th 18, 11:11 AM Posted to uk.rec.audio
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Replies: 15
Views: 964
Do speakers deteriorate with age?
Trevor Wilson wrote:
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**One can easily destroy JBL speakers by abusing them with regular audio
equipment. EXACTLY the same as any other speaker. Too much power and/or
...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 18th 18, 06:53 AM Posted to uk.rec.audio
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Replies: 15
Views: 964
Do speakers deteriorate with age?
Iain wrote:
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Speaker choice is such a personal thing, and there are
no "one size fits all" solutions either.
JBLs are particularly good at the West Coast Sound.
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 18th 18, 05:07 AM Posted to uk.rec.audio
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Replies: 15
Views: 964
Do speakers deteriorate with age?
Trevor Wilson wrote:
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**One can easily destroy JBL speakers by abusing them with regular audio
equipment. EXACTLY the same as any other speaker. Too much power and/or...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 16th 18, 12:24 PM Posted to uk.rec.audio
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Replies: 15
Views: 964
Do speakers deteriorate with age?
Brian Gaff wrote:
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I have a pair of Tannoy IIIlz speakers which I've used for many years and
apart from cleaning up the switches in the crossover at the back, they have
...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 14th 18, 11:57 AM Posted to uk.rec.audio
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Replies: 21
Views: 899
Car radio FM aerials
tony sayer wrote:
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Brian Gaff
I've often wondered why they don't add low power transmitters to telephone
cell masts.
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 13th 18, 07:24 AM Posted to uk.rec.audio
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Replies: 21
Views: 899
Car radio FM aerials
Brian Gaff wrote:
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Is that not what I just said?
** No, it answers what you posted.
1. A helically wound ( flexible) antenna is made resonant on the band, not inductive.
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 12th 18, 11:37 PM Posted to uk.rec.audio
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Replies: 21
Views: 899
Car radio FM aerials
Graeme Wall
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DAB is rubbish where I live, and I only want to find out why
88.50 (R2) from the IOW is regularly plagued with much more
hissing than usual, plus a buzzing and...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 12th 18, 11:18 AM Posted to uk.rec.audio
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Replies: 21
Views: 899
Car radio FM aerials
Brian Gaff wrote:
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I think many of these are helically wound, and some have amps in them. I've
often wondered how they can be good over such a wide bandwidth myself as
...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 5th 18, 12:58 AM Posted to uk.rec.audio
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Replies: 21
Views: 1,117
Hissy FM from Rowbridge
tony sayer wrote:
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Both these transmitters are 250Kw and about 50 miles away.
Actually there're at 125 kW per plane of polarisation thats to say 125 w
in the...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 4th 18, 02:01 AM Posted to uk.rec.audio
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Replies: 21
Views: 1,117
Hissy FM from Rowbridge
Andrew wrote:
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Phil Allison wrote:
a low gain 3 element antenna the signal level has always been marginal - at best.
Well, to be honest, my trusty old 1978 AIWA 7400...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 4th 18, 02:00 AM Posted to uk.rec.audio
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Replies: 21
Views: 1,117
Hissy FM from Rowbridge
RJH wrote:
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** Loft mounting is still essentially an indoor antenna with
all the associated drawbacks.
The antenna is close to multiple sources of interference in the...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 3rd 18, 05:25 AM Posted to uk.rec.audio
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Replies: 21
Views: 1,117
Hissy FM from Rowbridge
Andrew wrote:
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The irritating chattering and buzzing that affected 88.50 Mhz
disappeared after a few hours. Mystery.
The worst of the hissing must have been my...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
February 2nd 18, 03:57 AM Posted to uk.rec.audio
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Replies: 21
Views: 1,117
Hissy FM from Rowbridge
Andrew wrote:
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For quite a while now I have noticed that FM from Rowbridge
on the Isle of Wight seems to be more hissy than the previous
38 years. It seems to be worst on 88.50...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 30th 18, 11:28 AM Posted to uk.rec.audio
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Replies: 13
Views: 1,211
Question about ultrasound
Don Pearce wrote:
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It seems the big advantage of loop systems is they are the cheapest option.
The real reason they became popular was because they function like a
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 30th 18, 12:31 AM Posted to uk.rec.audio
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Replies: 13
Views: 1,211
Question about ultrasound
Graham.
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A very effective way to "beam audio" is to frequency modulate pulsed, Infra-Red light from an array of LEDs. Perfectly possible cover an entire hall or auditorium this...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 29th 18, 09:35 AM Posted to uk.rec.audio
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Replies: 13
Views: 1,211
Question about ultrasound
Brian Gaff wrote:
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Oh I know about those as they are used for audio description in cinemas and
theatres. I was thinking more of exhibitions where an exhibit has a button...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 29th 18, 09:20 AM Posted to uk.rec.audio
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Replies: 13
Views: 1,211
Question about ultrasound
Brian Gaff wrote:
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The whole point of my idea
was that no equipment is needed by the user.
** Your idea ???
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 29th 18, 07:34 AM Posted to uk.rec.audio
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Replies: 13
Views: 1,211
Question about ultrasound
Andy Burns a smug prick who thinks he is smarter than everyone wrote:
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Listeners wear lightweight, battery powered...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 29th 18, 04:28 AM Posted to uk.rec.audio
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Replies: 13
Views: 1,211
Question about ultrasound
Brian Gaff wrote:
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If you amplitude modulated a 40Khz ultrasonic sound that you could obviously
not hear with audio, could you hear it?
** Yes, but with many conditions...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 21st 18, 12:19 AM Posted to uk.rec.audio
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Replies: 6
Views: 560
Goog sounding globe speakers?
Brian Gaff wrote:
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I don't think we thought of the maths back in the 70s when the toshes were
about.
** The Bose 2201 & 901 were both from the late 60s when basic...
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 19th 18, 10:18 PM Posted to uk.rec.audio
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Replies: 6
Views: 560
Goog sounding globe speakers?
Brian Gaff wrote:
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Well obviously cannot see the picture,
** That's way I provided a concise, verbal description for you.
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Forum: uk.rec.audio (General Audio and Hi-Fi)
January 19th 18, 06:12 AM Posted to uk.rec.audio
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Replies: 6
Views: 560
Goog sounding globe speakers?
Brian Gaff wrote:
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Many years ago Toshiba had some globe speakers that sounded quite good.
Basically they had multiple drive units moundted in a shape a bit like a
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