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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#41
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On 02/04/2021 12:27, Paul Herber wrote:
On Fri, 2 Apr 2021 11:53:59 +0100, newshound wrote: You could also play 78's using hawthorn thorns instead of the standard steel ones (which were much the same length and diameter). Not sure if this was for economy, or to reduce record wear, or whether some considered that it gave a better tone. A more "woody" sound. Otherwise you get a "tinny" sound. I used a panel pin before I got hold of some proper gramophone needles. (78 RPM (nominal) electric deck with moving iron pickup with a heavy horseshoe magnet and a spring in the arm pivot to reduce the weight on the record.) -- Max Demian |
#42
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In article ,
Another Dave wrote: On 02/04/2021 16:57, The Natural Philosopher wrote: Well its typical of the lower class entertainment of the times. Today we have rap which is arguably even worse No argument here. My mother was from Irish stock. For some strange reason we celebrated Hogmanay with effing Harry Lauder and effing Jimmy Shand. I can't stand Lulu either. Another Dave A couple of years ago, we went to a Burns' Supper in the next village. They had an Irish band - it just wssn't right. -- from KT24 in Surrey, England "I'd rather die of exhaustion than die of boredom" Thomas Carlyle |
#43
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On 02/04/2021 13:43, Fredxx wrote:
This explains better than I can. https://www.petervis.com/record_play...pacitance.html Really? PA |
#44
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On 02/04/2021 18:14, charles wrote:
A couple of years ago, we went to a Burns' Supper in the next village. They had an Irish band - it just wssn't right. I think you mean, "It just wisnae right." Bill |
#45
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In article , williamwright
wrote: On 02/04/2021 18:14, charles wrote: A couple of years ago, we went to a Burns' Supper in the next village. They had an Irish band - it just wssn't right. I think you mean, "It just wisnae right." Bill say that in Irish -- from KT24 in Surrey, England "I'd rather die of exhaustion than die of boredom" Thomas Carlyle |
#46
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JNugent wrote:
On 02/04/2021 11:53 am, newshound wrote: You could also play 78's using hawthorn thorns instead of the standard steel ones (which were much the same length and diameter). Not sure if this was for economy, or to reduce record wear, or whether some considered that it gave a better tone. The makers of fibrous (natural material) needles used to advertise them as providing warmer tone and reducing wear. AIUI the filler in the records was deliberately made so that it was very hard and would wear the steel needles, which were only supposed to be used once. This was the main source of the background noise. I did once see some needles that supposedly had a diamond tip for longer life. I have no idea what the effect would be on the record. Chris -- Chris J Dixon Nottingham UK @ChrisJDixon1 Plant amazing Acers. |
#47
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charles wrote:
A couple of years ago, we went to a Burns' Supper in the next village. They had an Irish band - it just wssn't right. So often when watching a TV programme about Scotland, the background music features the uilleann pipes. Presumably they think all pipes are the same! Chris -- Chris J Dixon Nottingham UK @ChrisJDixon1 Plant amazing Acers. |
#48
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Chris J Dixon wrote:
JNugent wrote: On 02/04/2021 11:53 am, newshound wrote: You could also play 78's using hawthorn thorns instead of the standard steel ones (which were much the same length and diameter). Not sure if this was for economy, or to reduce record wear, or whether some considered that it gave a better tone. The makers of fibrous (natural material) needles used to advertise them as providing warmer tone and reducing wear. AIUI the filler in the records was deliberately made so that it was very hard and would wear the steel needles, which were only supposed to be used once. This was the main source of the background noise. I did once see some needles that supposedly had a diamond tip for longer life. I have no idea what the effect would be on the record. Chris According to this, the diamond brings out more of the sound. http://www.vjm.biz/styli-for-playing-78s.html The things you learn. The recording is like a sanding disc for your styli. And that's why the steel needles for our 78, came in a small envelope, and why there were so many of them. Whatever wears off your stylus choice, gets deposited in the groove. Like hawthorn fibers. Paul |
#49
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newshound wrote: I rather enjoy the Paul Temple series on R4E with the little music breaks for the record changes, and the still distinct sounds of scratches in spite of all the wizardry when they were transferred (presumably to tape before digital). BBC 78 rpm program recordings had an overlap between records. So a skilled operator could replay a prog of any length with no gaps. Even easier if transferred to tape or any other editable system. So R4E are doing this for their own reasons. -- *When a man opens a car door for his wife, it's either a new car or a new Dave Plowman London SW To e-mail, change noise into sound. |
#50
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On 02/04/2021 18:18, Peter Able wrote:
On 02/04/2021 13:43, Fredxx wrote: This explains better than I can. https://www.petervis.com/record_play...pacitance.html Really? A cursory glance suggests its just plain wrong. Everyone knows that you drive a ceramic cartridge into a high impedance - typically 2Mohms - with no equalisation. Attempting to compensate for loading it with a lower impedance drives you into the area of having to know its capacitance which is not stable, specified, or known. Today FET opamps like the TL071 ,2 and 4 (1, 2 and 4 opamps in a package) make ideal first stages for a ceramic input. PA -- €œBut what a weak barrier is truth when it stands in the way of an hypothesis!€ Mary Wollstonecraft |
#51
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Paul wrote:
Chris J Dixon wrote: AIUI the filler in the records was deliberately made so that it was very hard and would wear the steel needles, which were only supposed to be used once. This was the main source of the background noise. I did once see some needles that supposedly had a diamond tip for longer life. I have no idea what the effect would be on the According to this, the diamond brings out more of the sound. http://www.vjm.biz/styli-for-playing-78s.html The things you learn. The recording is like a sanding disc for your styli. Indeed so! And that's why the steel needles for our 78, came in a small envelope, and why there were so many of them. Yes. The instruction to "Use needles once only" used to have a for more innocent interpretation https://www.ebay.co.uk/itm/2-Songste...-/164613883580 Chris -- Chris J Dixon Nottingham UK @ChrisJDixon1 Plant amazing Acers. |
#52
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On 03/04/2021 11:59, The Natural Philosopher wrote:
On 02/04/2021 18:18, Peter Able wrote: On 02/04/2021 13:43, Fredxx wrote: This explains better than I can. https://www.petervis.com/record_play...pacitance.html Really? PA A cursory glance suggests its just plain wrong. Everyone knows that you drive a ceramic cartridge into a high impedance - typically 2Mohms - with no equalisation. Attempting to compensate for loading it with a lower impedance drives you into the area of having to know its capacitance which is not stable, specified, or known. Today FET opamps like the TL071 ,2 and 4 (1, 2 and 4 opamps in a package) make ideal first stages for a ceramic input. plus that (" great advantage of this circuit design is that you could plug in a wide-range of ... general purpose NPN transistors and it will work") a single circuit is not suitable for both MOSFETS and bipolars. Not for either, actually. The high voltage rating of the capacitors are a might over-specified for a 9v circuit. plus - why is there a 1kohm and a 2k2ohm in series ("requires the least number of components") ? And that's just a critique of the DC conditions ! PA |
#53
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newshound wrote:
On 01/04/2021 19:09, Another Dave wrote: On 01/04/2021 18:47, Tim+ wrote: Weirdly I found an old 78rpm record of Harry Gordon stuffed under a hedge this morning whilst out for a run. I have a conventional record deck and wondered about playing it once at 45 rpm and recording it and then speeding up the playback. Would this work? In a word - No. It isn't just the speed difference that's the problem; the size of the groove is completely different. If it plays at all the quality will be abysmal and it may damage your stylus. Another Dave You could also play 78's using hawthorn thorns instead of the standard steel ones (which were much the same length and diameter). Not sure if this was for economy, or to reduce record wear, or whether some considered that it gave a better tone. Careful, Russ Andrews will revive the idea and start selling styli made from a rare timber grown in a rainforest by a waterfall whose sound of water it has absorbed over decades, the soothing properties of which enhance any recording played back with one. Yours for £2000 each. GH |
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