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Technics linear trackers like SL-7 |
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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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So far so good.
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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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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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Yes it has definitely reduced the heat buildup.
Today I fitted the replacement drop leads. After disconnecting the stock cables I measured them, 99pF amongst other things. I think my home built cables sound better, more natural and good sound field. |
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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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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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Great tip Ifor. It is so convenient to rip using the SL-7 as it stops itself. No stylus wear if left running and it's easy to trim the dead section from the recording.
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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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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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Having used a 12v supply for a few weeks I like the SL-7 running much cooler with no static. I removed the mains cable and have a figure 8 socket I may fit at some point.
My next small project is to clean, re-lubricate, and recalibrate the linear tracking tonearm. |
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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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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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That was always a goal. Last weekend I cleaned the steel bar that the tonearm moves along and I'm glad I did as some dirt came off it! I am not not hearing a difference but am glad to have tackled it.
After a lot of reading up I decided I to take a look at the arm sensor and its motor servo settings. It turned out on my SL-7 that the high reading is under 2 volts, nothing like the 15v suggested by the service manual. More importantly the arm sensor was not in the right place so the arm in central position was giving the maximum voltage 1.22 volts. I fixed that with a 1.5mm Allen key and then started on the servo amp settings. That involved a leap of faith without the 1mm test record which I and others expect to be the arm movement per second so essentially the pitch rather than the thickness of the disk. I used an unmodulated test track and my estimated target voltage for a more normal record of under 0.1mm per second. Then tested the tracking at +12dB which was clean and a few records which sounded pretty good too. So did the second goal! Edited by Fatmangolf - 09 Oct 2021 at 8:29pm |
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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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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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In another thread I shared an obvious tip of using the Accession switch from standard RIAA to USA as a 2dB treble cut. Maybe I have adapted to the crisp sound of the AT cartridge or it has matured but I am enjoying the standard setting more now. I haven't used the big deck (Michel Gorbe/SME IV/Hana SL for some weeks which is quite telling. I will be doing some comparisons this weekend to check it's not just ease of use!
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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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Fatmangolf
Moderator Group Joined: 23 Dec 2009 Location: Middlesbrough Status: Offline Points: 8960 |
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Technics linear trackers have caught my interest. I bought a just working SL-DL5 last month and started an overhaul. Built a replacement for the bent cue bar and relubed the arm rail after cleaning it. That made me certain my SL-7 had been serviced as its arm belt wasn't egg shaped and the lubricant was reasonably clean. The DL5 has my AT85 cartridge and works fine now. I like the sleek full width casing but the SL-7 sounds better and the compact design has won me over!
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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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