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ryuzoh

Member of the Trade: Musashi Sound Technologies

Location:

Akihabara Tokyo, Japan

Forum Post Count:

174

Join Date:

7/25/08

Last Online:

3 days, 6 hours ago

About Me:

TO of Musashi Sound Technologies.

Interests (Hobbies, favorite activities, etc.):

Moddiing PHPAs and collecting OPAMPs, and measuring.

Headphone Inventory

K240s, K271s, K601, K701, K26P
MDR-CD3000
SR-325i
HD650, HD25-1, IE8
Signature Pro, Edition9, Edition8, Proline750, DJ1PRO
ER-4s
Fitear223, Fitear333, Fitear334
UE11Pro, UE18Pro, Triple.fi 10Pro, Super.fi 5Pro
Klipsch X10, B&O A8

Headphone Amp Inventory

fi. Quest S/N: 000, 001, 007, 027, 100, 111
iBasso D10
(Blackgate NX 220uF, AD8616, AD8532, ALPS RK097 50kOhms)
iBasso P2
(Nichicon HZ 6600uF, Blackgate NX 100uF, OPA2211AID, OPA690U*2, ALPS RK097 50kOhms)
iBasso P3
(Rechargeable modd, Nichicon HZ 6600uF, Blackgate NX 47uF, L/R OPA2111KP, BUFs stacked BUF634P, GND OPA627AP for Earphones and AD8397 for headphones,
ALPS RK097 50kOhms)
Pics;
http://photo4.avi.jp/photo/7/3969... http://photo4.avi.jp/photo/7/3969...
Portaphile V2^2
(GND OPA627AU)
Practical Devices XM5
(OPA637AP, BUF634P with 200ohms, Blackgate PK 100uF, Alps RK097 5kOhms)
LaRocco PR II modified
(ADA4627-1BRZ, BUF634U with 1mA CRD, Blackgate FK 100uF, Alps RK097 5kOhms(Bass), Alps RK097 10kOhms(Volume))
Dr. DAC2
(FDO: LM6172IN, LPF: OPA627AP*2, HPA: OPA2111KP, Line-Out: OPA2107AP, Line-In: AD8676BRMZ, Most of caps are changed)
http://photo4.avi.jp/photo/7/3969...

Source Inventory

Marantz SA-15S1
Marantz SR-7001
iPhone 3GS 16GB
iPod 5.5G 80GB (BGNX-22uF/6.3V*2 Super-E built-in)
Power Mac G4 MDD 1.25GHz*2
Mac Pro 2.8GHz*2 (Early2008)
MacBookPro 2.3GHz i7 (Early2011)

Cable Inventory

Belden's 88760
and... DOCKSTAAR's dock cable

ryuzoh's Recent Activity

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The New iRiver AK100: A High-End DAP
ryuzoh posted in this thread in Portable Source Gear 3/13/13 at 1:53am | 8980 replies | 833858 views
iBasso fi.Quest Official Thread
ryuzoh posted in this thread in Portable Headphone Amps 1/4/12 at 10:24am | 667 replies | 68489 views
'Output Power' ratings on portable amps
ryuzoh posted in this thread in Portable Headphone Amps 12/23/10 at 6:20pm | 4 replies | 330 views
ryuzoh
added a new profile pic 12/23/10 at 3:56pm
    MST Audio's Cio mb DAC with dual DAC chips
    ryuzoh posted in this thread in Portable Headphone Amps 10/21/10 at 1:43am | 19 replies | 4451 views
    Tokyo OFF Headphone Meeting: portable amp makers including iBasso
    ryuzoh posted in this thread in Portable Headphone Amps 1/2/10 at 10:29pm | 18 replies | 2473 views
    iBasso OEM Project
    ryuzoh posted in this thread in Portable Headphone Amps 12/22/09 at 12:57pm | 496 replies | 64288 views
    Practical Devices XM5
    ryuzoh posted in this thread in Portable Headphone Amps 3/3/09 at 6:08pm | 396 replies | 36232 views

     

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