Projects: what are you all working on?
Comments
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Picked up a Sencore LC53 with some issues.
The leakage switch was stuck on. Easy fix, tweak the spring and exercise it a bit.
Missing the test cable. An ebay seller has the correct low capacitance cable. Use the wrong cable and you won't be able to zero the meter or get accurate readings on low capacitance parts.
The rear panel zero pot was twitchy. Disassemble, clean, reassemble.
The front panel zero pot was also twitchy. Disassemble, clean, reassemble.
All good! These are great to test old or verify a new 20pf part is actually a 20pf part.
The FC221 field calibrator was included.
Salk SoundScape 8's * Audio Research Reference 3 * Bottlehead Eros Phono * Park's Audio Budgie SUT * Krell KSA-250 * Harmonic Technology Pro 9+ * Signature Series Sonore Music Server w/Deux PS * Roon * Gustard R26 DAC / Singxer SU-6 DDC * Heavy Plinth Lenco L75 Idler Drive * AA MG-1 Linear Air Bearing Arm * AT33PTG/II & Denon 103R * Richard Gray 600S * NHT B-12d subs * GIK Acoustic Treatments * Sennheiser HD650 * -
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Started designing another XS-Amp case for the A07's sibling...The A04...
Don't take experimental gene therapies from known eugenicists. -
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That there is Gorilla Glue. No top needed, just keeping it simple. The spuds don't allow the coils to unravel.Don't take experimental gene therapies from known eugenicists.
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Again, can't find @VR3 reply whether I can run billet alloy through center or lay on an alloy spud like that. I'd like to mount the small tweeter inductor sideways with an alloy spud.Don't take experimental gene therapies from known eugenicists.
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Why would you do that? That would change the electrical properties, no?
Tom~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~ -
We can run non-ferrous bolts thru the Dreadnaught. correct? What's the difference?Don't take experimental gene therapies from known eugenicists.
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I have seen inductors mounted with brass bolts before but I think you need to account for changes with the bolt inserted. Metals will change parameters but you can always order larger values and such and wind to match- Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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So, can I just use an LCR meter and test the exact same inductor (0.4mH) to see if it moved after alloy rod inserted?Don't take experimental gene therapies from known eugenicists.
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Yes, as long as your specs match and then you place them correctly around other inductors you should be fine- Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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Aluminum has a dramatic effect on inductors... To be a 2.4mh you may need to order a 5mh or higher an unwind if using aluminum or any type of steel- Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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I'll make one and test on the inductor center and see. The alloy definitely has no bearing on capacitance: just tested a Silver Dragon...
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I think with changing signals there can be eddy currents generated in the aluminum that will induce losses. The associated fields from those currents can change the dynamic behavior of the inductor.George / NJ
Polk 7B main speakers, std. mods+ (1979, orig owner)
Martin Logan Dynamo sub w/6ft 14awg Power Cord
Onkyo A-8017 integrated
Logitech Squeezebox Touch Streamer w/EDO applet
iFi nano iDSD DAC
iPurifier3
iDefender w/ iPower PS
Custom Steve Wilson 1m UPOCC Interconnect
iFi Mercury 0.5m OFHC continuous cast copper USB cable
Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
Custom Vibration Isolation Speaker Stands and Sub Platform -
Just an example..
Inductor 5/8 of an inch from 1/8" aluminum produces a 5% change in mh reading downwards- Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit. -
I know what the alloy focus rings do to the small voice coils, was not sure what effect the alloy would have on large inductors. I'll machine an alloy and plastic spud to test, but plan on permanently attaching the plastic spud then. Building a set of XS-CRS+ x-overs to mount externally, so aesthetics is a concern. Thanks for all input.Don't take experimental gene therapies from known eugenicists.
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6"×9" solid acacia....
Single layer of tung oil...
Don't take experimental gene therapies from known eugenicists. -
The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson -
Fixing the top of the old Navy desk at the shop. Not bad for free...
Post edited by xschop onDon't take experimental gene therapies from known eugenicists. -
Ive worked too many days at desks exactly like that !2 Channel in my home attic/bar/man cave
2 Channel Focal Kanta 3 I Modwright SWL9.0 Anniversary Pre I Modwright PH9.0X I Modwright KWA-150SE I VPI Prime Signature w/ Soundsmith Zephyr MIMC I Lumin U2 Mini I North Star Designs Intenso DAC I Audience OHNO ICs/Audience Furutech FP-S55N and FP-S032N Power Cables/Acoustic Zen Satori I Isotek Sirius -
After a lot of planning and work, ended up with the stand I was looking for:
We ended up with 2” maple for all 3 slabs.
I ended up deciding to keep the front edge a live edge, I just ended up liking it that way.
We had 3 matching slabs. They went to the miller to have them flattened and the very last slab caught in the machine and chewed the hell out the last 8” of material.
My buddy ended up finding a sugar maple slab in his stash that a perfect dimension to we decided to make it the “cap” or topping slab, live edge on both sides.
I can press it flat’ish, but we decided it was probably best to send it off to be milled, in the near future.
Unfinished slab:
One layer of Tung oil:
Top slab:
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Just like my old career in San Fernando...nooshinjohn wrote: »
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Just like my old career in San Fernando...nooshinjohn wrote: »
Where in San Fernando? I worked for Rydell for many years…The Gear... Carver "Statement" Mono-blocks, Mcintosh C2300 Arcam AVR20, Oppo UDP-203 4K Blu-ray player, Sony XBR70x850B 4k, Polk Audio Legend L800 with height modules, L400 Center Channel Polk audio AB800 "in-wall" surrounds. Marantz MM7025 stereo amp. Simaudio Moon 680d DSD
“When once a Republic is corrupted, there is no possibility of remedying any of the growing evils but by removing the corruption and restoring its lost principles; every other correction is either useless or a new evil.”— Thomas Jefferson
