Pleasure to see ...the recoed of Made by Man The Jukebox Restorer

 

https://www.youtube.com/watch?v=Tm6nIe9N1_U

my record

the first running record ...playback speed need fix

my record

                

my record tube amp.

my record

my record

my record

my record

my record ~Lyric cover take off

fix light

my record~transform to Conti. platform

my record

magazine roller & turntable fix ...the first running record

my record

Cyclotron Amplifier ...modify to 6JM6 Cathode output typology~2

 

before

20251013 record

take high voltage Cap.

-63V F-Self-biased source of negative voltage 

                

ref. circuit

Vinyl phonostage ...RIAA woofer profie w switch of First order ~ Second order

 

RIAA woofer profie of Second order

RIAA profile in first order 

RIAA profile is First order+Second order

RIAA profile in first order

RIAA profile is First order+Second order

left channel playback only 

RIAA profile in first order

RIAA profile is First order+Second order

final tuning first order+2nd order playback 

RIAA profile is First order+Second order 

Left Channel playback only

RIAA profile is First order L Channel playback only

RIAA profile is First order+Second order

Left Channel playback only 

小雜魚逆流而上

Vinyl RIAA profile evaluation

https://youtu.be/Imqdj9XM-Zc?si=Xn4Z2EBGSx0lMbZT

33 rpm 8.1''

AMI H200 playback Danny Boy 

verify RIAA profile 

EP 7'' 45 rpm everybody wants to rule the world

tear for fear

EP 7'' 45rpm

33rpm 

Violin Concerto No. 4 in D Major, K. 218: I. Allegro

Martzy

vinyl 45rpm 

 

re-modify vinyl phonostage RIAA profile~2 2026 Jan

after re-modify RIAA profile 

                                 reduce the sound of high volume ~last time

                     

                               after re-modify RIAA profile reduce 

                               the sound of high volume ~last time

this time modify 

vinyle 33rpm playback Eva Yesterday R channel only

this time modify 

vinyle 45 rpm playback 鄧麗君 R channel only 

45 rpm vinyle VANESSA FENANDEZ 

last time modify

vinyle 45 rpm playback

this time modify vinyle 45 rpm

playback VANESSA FENANDEZ R channel only

the RIAA profile playback w DAC+RIAA

YT download mp3 of VANESSA FENANDEZ

https://www.youtube.com/watch?v=olFzozK9ric&t=10s

re-modify vinyl phonostage RIAA profile

 

20251227 mofify record 

20251227 playback record 

                                    after re-modify RIAA profile 

                                 reduce the sound of high volume 

20251227 playback record 

                             after re-modify RIAA profile reduce 

                                   the sound of high volume 

45rpm EP 7''

to Amy.

mono tube amplifier volume trimmer need to replace a pair of trimmer for L-R channel together

 

20251225 record

long time waiting for trimmer purchase 

                            L channel after replacing the new volume trimmer 

replacing trimmer already 

R channel still usage old trimmer 

new volume trimmer 

                                                old volume trimmer 

                                                new volume trimmer 

 old volume trimmer 

two channel trimmer volume replaced

https://www.youtube.com/watch?v=olFzozK9ric&t=10s

the RIAA similar between upper link and this one

YT download mp3 playback w DAC+RIAA

45rpm vinyle playback 

Vinyle phonostage RIAA low volume need modify