Mr211's Blog: Vinyl affair

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2026年5月14日星期四

Shure M3D is earliest ancestor of modern cartridge?

Shure cartridge w M3D needle for 45rpm

N21D 交換針 0.７mil 丸針 for Shure M3D M7D M8D 共用針

cartridge w M3D needle

Japan OEM M3D needle

這MM唱頭的結構要素，解決各唱頭製造商都在絞盡腦汁的唱頭音質個問題

my record

Jukeoxs Shure RM900E User Guide

https://kao211.blogspot.com/2023/02/jukeoxs-shure-rm900e-user-guide.html

Needle Stylus SHURE M44C N44C for jukebox

https://kao211.blogspot.com/search?q=Needle+Stylus+SHURE+M44C+N44C+for+jukebox

ORTOFON SPU Mono G

https://kao211.blogspot.com/2018/03/ortofon-spu-mono-g.html

Jukeboxs repair cartridge socket wiring

https://kao211.blogspot.com/2023/01/jukeboxs-repair-catridge-socketwiring.html

Jukeboxsss cartridge and Audio phono amplifier check

Shure N44 .7mil
https://kao211.blogspot.com/2023/09/cartridge.html

2026年5月13日星期三

Jukebox-World hyper-link

Tsugami AMI Lyric 1961

https://www.jukebox-world.de/Forum/Archiv/Archiv.html

jukebox warehouse

https://www.fiftiesstore.com/jukeboxes/jukebox-parts-at-bennies-fifties.html

https://www.jukebox-revival.eu/en/products/jukebox-parts-4922

https://www.thejukeboxman.com/category/best-sellers

https://needles4jukeboxes.com/index.htm

jukebox forum

2026年3月30日星期一

about Digital Phono Preamp (RIAA Mode)...ADI-2/4 Pro SE ...RME

https://www.google.com/search?sca_esv=9b49c139cd80d27d&sxsrf=ANbL-n4W_y9tX1z4UVb7x-NeoHy54BlIJw:1774916147302&udm=7&fbs=ADc_l-Z6XGGbkKmpylZqg2J7ZOuVW-X8roCBa3fqVtqUv4pM3H0vUZNdvHPl3VZzlRZi-BpWF3FTxjfIcPVnHVqdyYSGoe7DBODyvdi01sToYHp-XCAWyiJkQt7Ohx91aOTXEh0at0TuWo-XdVTgWbELStspOCTXF5ZpF4jtV8eMV4hZ66pKgGOQvews4zcCyFz1c_r4PNAz&q=RME+ADI+Pro+SE+2/4&sa=X&ved=2ahUKEwig99zz7ciTAxVxavUHHSi6M70QtKgLegQIFhAB#fpstate=ive&vld=cid:e12bf884,vid:BEpRZcDsLuI,st:0

function block

sim. input waveform by diff. imp.

input imp. select by front menu

normal mm cartridge gain x100 times

gain also select by front menu

rare panel

the block of gain table

magric... the groove noise cancel feature

RIAA playback profile vs record profile

could re-view vinyl waveform and tunning DAC gain
very friendly because the sound no black box

analog phono preamp (w 1st-2nd RIAA) diy struggle record
w mc/mm input ...fix gain in high imp.
w 1st-2nd RIAA profile option for diff. vinyl RIAA profile
output transformer with attenuator
groove noise cancel feature ...under estimate