Press release2018’ Feb 2nd
Ocharaku corporation

×Ocharaku Sound Customize New product information
Release data and information of“Flat4-SAKURA Balance“ “Flat4-AKAZAKURA Balance“
A Balance cable type of Flat4-SAKURA Plus & Flat4-AKAZAKURA Plus
Attached with Nippon DICS Company’s Φ4.4mm 5-pole Pentaconn plug for a ultimate transmission.
Using the premium range gold plated non-oxidized copper for metal parts.
Balanced connection with high spec plug enhances the unique and soft resound of Japanese cherry wood.
Flat4-SAKURA & Flat4-AKAZAKURA will be a limited 100sets production in total.
Open priceOcharaku Sound Customize sealing price JPY85,000(exc. tax) JPN91,800(inc. tax)
Release data March 2nd; At Fujiya-avic, e-earphone, Yodobashi-camera (selected brunch only),Ocharaku Sound Customize shop and others
February 10th trial/exhibition and limited pre-release sales at portable audio exhibition Ochartaku’s booth, sponsored
by Fujiya-avic
The raw lacquer extracted from lacquer tree; one of the most ideal natural over coat; solidifies the wood to an
exceptional durability than any chemical over coats.
Over time, by exposure to sun (UV) light, lacquer coat increases its translucence thus the timber grain becomes more
distinguish.aAppearance of wood grain and it’s sound will uniquely ages only in your way.
Twin-Equolizer-Element system with phase adjustor tube is adopted.
Designed to suppress sound deterioration factor caused by occluded ear canal; vibration around 6kHz.
Sound quality could be improved by selecting suitable length type matching to individuals ear canal length.
Flat4-SAKURA Balance, for a standers ear canal length and Flat4-AKAZAKURA Balance for longer ear canal length.
Phase adjustor tube
28mm standard length type

Lacquer coat ed Wi l d Sakurat i mber cent er cabi net

Phase adjustor tube
30mm long type

Lacquer coat ed Wi l d Sakurat i mber cent er cabi net

Ni ppon DI CS Company s gol dpl at ed non- oxi di zed copper
5- pol e bal anced pl ug

Full-range 2-element 4-way effect Canal type headphone
Deepest bass beyond Closed dynamic type / spatial sound expansion just like Open air typeTwin-Equalize-Element system
Patented No.4953490 (JPN) US Pat. No.8660288 Euro Pat. No.2595408
1st effect: the face-to-faced element cancel out unwanted occurring vibration by “counter-vibration” to maximize deepest bass beyond Closed
dynamic types
2nd effect: Driving two elements simultaneously increases sound pressure sensitivity from low to mid sound register
3rd effect: Phase adjustor tube eliminates occluded ear canal resonate vibration and significantly improve middle to higher register
4th effect: Minimizing acoustic resistance and adopting smaller element to drastically enhance the highest register creating sound expansion ofOpen air typeCompari son t abl e
Flat4-SAKURA Balance,
AKAZAKURA Balance

Flat4-SAKURA Plus,
AKAZAKURA Plus

Front and Rearcabinet

Liquid crystal polymer

Center cabinet

Solid wild Cherry wood coatedwith raw lacquer⇐⇐Element

010e002

Cable with plug

Nippon DICS Company’s gold plated nonoxidized copper Φ4.4㎜ 5-pole balancedplug*quadruple conductor cable ( cable brunchpoint to plug)

Gold plated 3-pole stereo mini plug,*quadruple conductor cableSound adjustby;Sound check by Comply and Final
E typeSound check by Comply andSpinFit⇐

Technical data
Element010e002 Copper plated plate & York Φ10mm Dynamic type x2 (On each side)
Acoustic system
Twin-Equalize-Element system
Output sound pressure level 104dBSPL/mW
Frequency
3.5 to 45kHz(High-resolution compatible)
Max input
400mW
Impedance
18Ω
Mass
Approx. 21g
Cable with plug
1.2m(Y type) quadruple conductor cableΦ4.4mm 5-pole gold plated non-oxidized copper balanced plug
Accessories
Comply foam ear tips T-200 L size (M size on product)
Silicon ear tips: Final E type SS, S, M, L, LL size,Wooden case (Cherry wood & Paulownia solid wood)
Cleaning cloth, Manual instruction/warranty card

Other features
Ultimate transmission by Φ4.4㎜ gold plated ５-pole plug; balanced connection for distinguish sound for both sideCompatible to high-resolution; refer to previous page 3rd & 4th effect; sound source covering from 3.5 to 45kHzWith Flat4 structure and Comply foam ear tips minimizes touch noise
Silicon ear tips Final type E included for more natural soundtangential-less Diaphragm gives clean middle to high register with less distortion
Powerful Neodymium magnet; Maximum Energy Product of 400kJ/m3(50MGOe) combined withelectromagnetic PURE iron plated plates and yoke configure a powerful magnetic circuits
All indications are laser marked; chipping off and/or discoloration will not occur like standard printing method
Contact info
Ocharaku corporation 2-17-2 Kyoudo Setagaya Tokyo Contact person Yamagishi (Mr,) TEL 03-3428-5557 E-mail ocharaku@jcom.home.ne.jp
URL http://ocharaku.jp/sound/