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The Voices In My Head |
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8998 |
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Posted: 01 May 2018 at 8:12am |
Thank you! Who's getting their soldering iron to make their own Can-opener then?
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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dillon
Senior Member Joined: 12 Oct 2011 Location: London Status: Offline Points: 214 |
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Have to say the can opener is built extremely well too. Tough and resilient, and better put together than many "professional" such gadgets that cost a bomb but fall apart after a day. I have mishandled it a tad - no problem! Great work Jon.
Edited by dillon - 30 Apr 2018 at 9:33pm |
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Nottingham Analogue Hyperspace w Space Arm & Dynavector 10x5 HOMC/GSP Revelation M/John Sampson upgraded Meridian 508.24 CDP/Sony 777ES SACD/ProAc Response D18/GSP Solo ULDE/GSP cables and ICs
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Graham Slee
Admin Group Retired Joined: 11 Jan 2008 Location: South Yorkshire Status: Offline Points: 16298 |
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Neat!
Suggestion for those with 300 Ohm headphones: try a 33 or 39 Ohm fixed resistor. It should give a similar ratio. I think the Haffler resistor for 8 Ohm speakers was 1 Ohm (maybe?). |
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That none should be able to buy or sell without a smartphone and the knowledge in how to use apps
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8998 |
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Here they are, thanks again Dil.
Edited by Fatmangolf - 30 Apr 2018 at 7:24pm |
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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dillon
Senior Member Joined: 12 Oct 2011 Location: London Status: Offline Points: 214 |
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Sent some photos to Jon and he will upload them as I am rubbish at resizing!
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Nottingham Analogue Hyperspace w Space Arm & Dynavector 10x5 HOMC/GSP Revelation M/John Sampson upgraded Meridian 508.24 CDP/Sony 777ES SACD/ProAc Response D18/GSP Solo ULDE/GSP cables and ICs
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dillon
Senior Member Joined: 12 Oct 2011 Location: London Status: Offline Points: 214 |
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I will try and upload some photos in a bit when I get home.
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Nottingham Analogue Hyperspace w Space Arm & Dynavector 10x5 HOMC/GSP Revelation M/John Sampson upgraded Meridian 508.24 CDP/Sony 777ES SACD/ProAc Response D18/GSP Solo ULDE/GSP cables and ICs
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8998 |
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My use of the stereo splitter adaptor was the next stage to make something more compact. Based on my experience with the pot setting, I decided to try standard resistors of 8 ohms and 16 ohms. Low wattage resistors will probably be fine at the volume I listen to my headphones. You can do the same quick calcs I did using V=I/R and P=Vsquared/R.
The adaptor would give two sockets that offer widening options slightly below and slightly about the 10-12 ohms on the pot, the third option of standard sound being achieved by removing the adaptor of course. A quick hookup with some crocodile leads and a pair of 8R2 resistors suggests I am in the right area. It would be interesting to hear how the sound of headphones with impedances that vary with frequency are effected by the can-opener. |
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Jon
Open mind and ears whilst owning GSP Genera, Accession M, Accession MC, Elevator EXP, Solo ULDE, Proprius amps, Cusat50 cables, Lautus digital cable, Spatia cables and links, and a Majestic DAC. |
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