1 set PH Musical Harmony Amp, PH Top Of The Line IC, IBasso HDPR 10 - Rudi0504

Out the Box package from my two Philippine friends
Ren Lazibal and Arnel Abilar
thank you Ren Laziblal and Arnel Abilar for your Package

inside the Package are :
1 set PH Musical Harmony Amp
1 set PH Top Of The Line IC

1 set IBasso HDPR 10
3 sets Case
3 sets spare batteries

i had IBasso HDPR 10 and sold last month to Gatot Richard Widjaja
as my friend Arnel offer his IBasso HDPR 10 i can not say no for HDPR 10 , it is the best DAP from IBasso until now.

i have received one Amp From Ren Lazibal PH Musical Harmony.

out the box PH Musical Harmony is an open and very good detail sounding Amp with sweet Midrange and fast sounding Bass

after burn in i will share more my impression

Sony CD 900 St mod - Rudi0504

Today i have received my Sony CD 900 St mod back from Cypherus Herry Wijaya

I would like to say thank you to 2 peraon :
Masanori Neko-san Masuda San for tor the cable from Japan
And Herry Wijaya for the modification with Balanced XLR 4 PIn

Source :

AK 240 SS

Amp :
Mass Kobo 404

Headphone :
Sony CD 900 St mod balance XLR 4 Pin by Cypherus Herry Wijaya.

Cable :
IC Cy - Ax Red 18 Awg by Cypherus
Balance trrrs to trrs Crystal Cable Picollo by Alex.

The sound quality from Sony CD 900 St agan stock :

High :
More extended and better presentation and very good in detail and clarity

Mid :
Very sweeet and clearer and better pronounce
Than before

Bass :
Very good bass impact and very good bass detail and very clean Bass and very good bass speed

Separation :
Has better separation that i can detect individual instrument more accurate than before

Soundstage :
Very wide and has very good depth

So far after 15 hours sound already very good

This mod is really excellent , we can boost Sony CD 900 Sr to their maximum sound quality

The different is huge like i hear from different headphone

Box Beat Audio Primadona with Furutech Rhodium 3,5mm Plug - Rudi0504

I would like to share out the Box Beat Audio Primadona with Furutech Rhodium 3,5mm Plug

I would like to say thank you to my best friend Christopher Lee for beautiful trade Beat Audio Primadona again Wagnus Shieve Sheep

these two cable have about the same sound character analog and sweet sounding cable

i would like share more impression after 50 hours

upgrade op amp for my Venture Craft Go Dap DD 9 Volt and 12 Volt LE - Rudi0504

After upgrade op amp for my Venture Craft Go Dap DD 9 Volt and 12 Volt LE now is time to go back to my stacks set up in year 2011 and 2012

Source :
Iphone 5s

Dac :
VentureCraft Go-Dap DD 9 Volt amd LE 12 Volt

pre amp :
wagnus tuhe pre amp Valvola

amp :
wagnus epsilon S

cable :
wagnus IC ice sword
Cy AX 18 awg Red IC

earbud :
Cy Ax Cardas Golden
the only one earbuds sound like headphone
with deep bass and very good impact and speed
Sweet analog mid
High sound like tube amp can produce high very analog
Wide soundstage

I need more burn in to open up the high than is perfect earbuds

Op amp and earbuds meet with Cypherus Herry Wijaya - Rudi0504

Op amp and earbuds meet with Cypherus Herry Wijaya

Thank you Herry Widjaja for your time and to let me tried your op amps collection

i have tried many exotic op amps on my IBasso D12 :

Metal Op Amp :
AD 744
AD 741 high voltage
AD 741 kow voltage
SM 627

others exptic Op amp :
AD 825
BB 627 BP rare made in Korea
BB 827
HDAM discrete.

at the end i bought for my
Venture Craft Go Dap DD Blue 9 Volt
Venture Craft Go Dap DD LE 12 Volt

His earbuds collection :
CY - AX Golden Cardas
Cy - AX Advance Crystal Cypherus

it was fun and enjoy the op amp meet yesterday , i learn more from many different op amp , they can make different sound quality

my working desk look so messy

Yuin OK 1 is a brilliant idea 2 in 1 function - Rudi0504

Yuin OK 1 is a brilliant idea 2 in 1 function

We can use as earbuds or we can use as IEMs

Why no more company has so brilliant idea like Yuin OK1?

-Rudi0504

impression from my Aka Kaede Sakura - Rudi0504

Impression of my Aka Kaede Sakura IEMs

















I would like to share my impression from my Aka Kaede Sakura
Source :
AK 240 ss
Lotoo Paw Gold
Amp :
Bakoon HDA 5520
Iem :
Aka Sakura
Cable :
CY - AX solid copper 22 AWG by Cypherus

After burn in about 30 hours sound quality.

High :
Focus and very clear high with vety good high presentation and best high from all Kaede i ever heard
Mid :
Beat focus from all Kaede and best pronounce too
Bass :
Excellent Bass impact and detail , very clean and fast Bass reproduction.
So far best bass reproduction compare my Kaede II and compare My friend kaede sakura
Separation :
Best separation from kaede II and kaede sakura
Soundstage :
Very wide and very good depth too.

Conclusion :
This Aka Sakura is as my best Kaede series i ever heard
It is crystal clear and black background
I love the way aka sakura produce midbass and very fast and clean sounding Bass.
Very clear mids
I am very happy with my aka sakura sound quality.

Thank you Christian Hartono for your help to get this rare item aka sakura
Bravo Makoto Yamagishi San for your excellent iem

-Rudi0504