FSM - 02v2
Introduction
Product Name: FSM - 02v2
Color: AS Pic
Box Size: 57mm x 105mm x 24mm
Weight: 500g (Net Weight)
Accessory: 3.5 to 3.5mm cable,USB charging cable,silicon ring,2 extra screw,user manual
Warranty: 1 Year
Price: HKD 2,998
Shipping: HKD: 200
 

Introduction

LEAR FSM-02V2 is an integrated high-fidelity grade headphone amplifier with flexible and outstanding functions! FSM-02V2 is built with a total of 2 stage amplification circuits, plus an individual MOSFET Class-A channel;
They are the individual hardware EQ (Equalizer) plus individual power amplification and the individual switchable MOSFET Class-A output stage.
Each of the EQ and power amplification circuit has a 3 step control, which can be used to select the Crystal clear high, completely Bypass or powerful bass sound style and also the Low, Mid or High Gain for perfect matching with different impedance earphones and headphones.
The MOSFET Class-A channel is switchable with the 3 step On/Off switch and output directly from an individual 3.5mm headphone jack.
There are no OPAMPs or fixed circuit design which can work perfectly with all headphones, so we made the FSM-02V2 to become OPAMP exchangeable plus amplifier module exchangeable, it lets you to make your own choice of OPAMPs or fined tuned module selection , they give the best performance for any of your gears!
The exchangeable power amplification stage means you can exchange LEAR or 3rd party designed and made module (it can be an special tuned parallel OPAMP module with own gain stage or the sound enhancement effect module ...etc.)to achieve their special goals!
FSM-02V2 supports an external power supply from DC5V~18V, so it can easily become one of your high quality desktop amplifier, and also the built in Li-Poly rechargeable battery can be charged via USB and work at the same time!
 

Features

At least 6 different sound style inside 1 machine when using with any headphones (There are 2 EQ+Bypass for both Phone out and independent Class-A out)
OPAMPs (1 for EQ stage , 1 for output amplification and 1 for Class-A) are exchangeable.
Amplifier module is user exchangeable (Announced later on http://lear.hk),replace by LEAR or 3rd party design!
3 step (Lo/Mi/Hi) GAIN control for the best matching with both low and high impedance earphones/headphones.
Independent MOSFET Class-A output for enjoy the "Tube Amp" sound at the independent 3.5mm output jack(Normal output and Class-A output are separated to 2 independent 3.5mm headphone jack and which is on/off selectable via a 3 step switch)
Built in 3000mAh Li-poly rechargeable battery and charging via standard USB or DC5V USB adapter.
Support External power supply form DC5V to 18V (Regulated power supply is recommended), simply change the FSM-02V2 to a desktop grade amplifier.
 

產品簡介

LEAR FSM-02V2是一部集極高保真及豐富音色設定於一身的高質便攜式耳機擴音器。
本產品內置二級放大線路及獨立的MOSFET CLASS-A(甲類)線路輸出,第一級負責EQ(等化器),二級負責功率放大,而CLASS-A則設於可自由開關的獨立3.5MM輸出口。
EQ及二級放大各自對應3檔選擇;EQ可選亮麗高頻、關閉或強勁低音效果,而功率放大則可以選擇低、中或高增益倍數。此設計令您可以自選音色之餘,亦可更佳地配合不同阻抗的耳機使用。
為了方便您自搭音色,FSM-02V2可自由更換運算放大器(OPAMP)及後級擴充模組的設計,令您可簡單地為不同的耳機,選擇最合適的運放芯片,日後更可透過使用LEAR或第三方合作伙伴所開發之擴充模組,從而發揮極致的效果。
支援從DC5~18V的音頻專用外置電源,令FSM-02V2可變身為強大的家用式耳擴。而內置的鋰充電電池,除了可用一般電腦USB或USB充電器為其充電之外,更可同步使用,實行充電播放無間斷!
 

功能特色

內置兩級放大線路 ( 一級 EQ ,一級放大 ),獨立 MOSFET CLASS-A 輸出
耳機與 CLASS-A 線路均有獨立輸出插口,兩者可同步工作,最多同時使用兩對耳機
可更換 OPAMP ( 運放 ) 設計,方便用家自搭音色
二段 EQ 調校 ( 高頻 EQ ,低頻 EQ ),硬件 ByPass ( 跳過 EQ ) 設計
三段增益 ( GAIN ) 調校,配合不同阻抗耳機使用
強效電源設計,可全面發揮各種適用之OPAMP
內置 3000mAh 鋰充電電池,可經 USB 充電
支援外置供電,DC 5V - 18V 均可,配合 LEAR 日後推出之音頻專用外接電源,變身家用級耳擴
每台均於香港組裝及作最後測試,保証質素穩定
潛力巨大,無限擴充可能
適合耳機阻抗由8Ohm~600 Ohm以上
 

為何要用耳擴?

可能有不少朋友都會認為,一般聽歌也需要拿著像磚頭般大小的耳擴,是件很奇怪和多餘的事。
不過,經過我們長久以來的研究結果所得,在未使用一部優質而可靠的耳擴之前,您手上的器材幾乎全被各種限制所影響,從而破壞了產品應有質素。
由於各家廠商之間標準不一或設計所須,令彼此各不兼容或不盡匹配,實屬意料中事。消費者得物而不能盡用,實在可惜!
如果您對音質有一份執著,亦即您會花費數千元於播放器及耳機身上的話,不妨看看耳擴到底將會給予您一些什麼。
如果您不信任於文字性的介紹,我們也為準備了更加實際的數據測試, 以圖表、硬數據說明一切。太過長篇大論?那直接 影片介紹 看看吧!
 

可換式設計,令換 OPAMP 像拼積木一樣簡單,助您踏入專業領域

LEAR FSM-02v2 零售定價為 HKD 2,988 ,預訂優惠價 HKD 2,888,備有黑色及銀色以供選擇。
恆源數碼將提供 14 日有壞包換及 1 年免費有限保養服務,如果您選購後,對 LEAR FSM-02 感到不滿意,可於 14 日內通知我們,我們將提供 9 折退款保障!
如果您已經擁有 FSM-02 ,您也可以考慮用 FSM-02 換購 FSM-02v2,只需 HKD 1,688 就可以感受升級版 FSM-02v2 帶來的驚喜。
 

LEAR FSM-02v2 詳細介紹及特色

改良後的外觀設計 ( 成品將略為修改 ),使用 CNC 技術以全金屬精工製作,在擁有「精品級」的外觀的同時,也延續及加強了 FSM-02 強橫機能!
FSM-02v2 對比現有 FSM-02 進行了優化、改良及新增電路設計。


▲ FSM-02v2


▲ FSM-02v2 


▲ FSM-02v2 


▲ FSM-02v2

 
▲ 使用外置多元化及更具彈性的針對性解決方案!( 可供 DIYer 及第三方合作伙伴自行設計 / 開發及優化 )


▲ 新增手動 EQ / Bypass 切換


▲ 底板為 4 層板結構,內層銅箔份量比舊板 FSM-02 增加一倍,抗干擾能力更高,傳導性更佳!
所有焊盤位置全部經過「沉、浸金 ENIG 工藝」處理,確保 PCB 板在貼片加工前,不會因金屬接點氧化而影響質量及加工效果!

可供試聽

恆源門市設有兩部組裝好的主機可供試聽,希望這能滿足想一試 FSM-02v2 質素的朋友們。 


▲ 組裝後的底版


▲ FSM-02V2 機底貼 iPod Classic 機底


▲ FSM-02v2 機面貼 iPod Classic 機底

14 日 9 折退款保障

L為求令您獲得最好的購物、享受音樂的體驗,我們提供長達十四日的九折退款保障!只須要產品無任何表面損傷及人為損壞,我們為您無條件退款,令您無後顧之憂!
 

Trade-in 換購優惠

如果您已經擁有 FSM-02,只要運作狀態正常,您就可以使用 FSM-02 加 HKD 1,688 換購 FSM-02v2。
您的 FSM-02 已經有部份損壞或運作有問題?帶給我們看看,我們定必以最優厚的價錢向您回購。
 

VIP 會員專享優惠

只要您擁有我們的會員卡,就可以專享 VIP 優惠!只需要於付款時,出示會員卡,即可獲得正價 95 折的優惠!
除此之外,您也可以使用 NetD 積分換購,只要擁有足夠的積分,隨時可以免費獲得 FSM-02v2!
積分不夠?只需要少量積分即可免費換購各款大小的耳機、耳筒收藏盒,為您的耳機、耳筒帶來最嚴密的保護,我們也有提供積分免費換購魔術束帶、優質橡膠圈等耳擴必備配件!
更多 VIP 優惠可以瀏覽 VIP 專頁 及 恆源NetD分對換及會員優惠 。
 

Specification

Frequency response: 4Hz~100 kHz (20Hz~20kHzEQ=Flat +-0.002dB)
Output:
≦0.001%THD+N 16mW @15ohm(OPA2227 L GAIN) Internal Battery
≦0.001%THD+N 25mW@300ohm(OPA2227 L GAIN) Internal Battery
≦0.001%THD+N 14mW@600ohm(OPA2227 L GAIN) Internal Battery
S/N ratio: ≧100dB A-Weighted
Noise Level: ≦100nVrms @ L Gain A-weighted
THD+N Distortion: 0.00001%@ 1kHz @ 1Vrms (L GAIN no load)
IMD Distortion: 0.0001%CCIF;0.001% SMPTE 100@ 1Vrms (LGAIN no load)
Output Impedance: ≦0.04 Ohm
Crosstalk: ≧90dB (no load @10kHz) ≧62dB(@15ohm load @10kHz)
Operation time: About 10hrs up@ frontoutput, about 4hours @ Back Class-A output
Charging time: About 5hrs (DC 5V, 500mA)
Charging: DC5~5.5V (MAX)
EXT power: DC5V~18V(MAX)
Dimension: 57mm x 105mm x 24mm
(Note: Due to continuing product improvement, specification and design are subject to change without notice.)
 

技術規格

頻率響應: 4Hz~100kHz (20Hz~20kHz EQ=by pass +-0.002dB)
輸出功率: ≦0.001%THD+N 16mW @15ohm(OPA2227 L GAIN) 內置電池
≦0.001%THD+N 25mW@300ohm(OPA2227 L GAIN) 內置電池
≦0.001%THD+N 14mW@600ohm(OPA2227 L GAIN) 內置電池
訊噪比: ≧100dB A-weighted
底噪: ≦100nVrms A-weighted @ L GAIN
THD+N失真度: 0.00001% @ 1kHz @ 1Vrms (無負載)
IMD 失真度: 0.0001% CCIF;0.001% SMPTE 100@ 1Vrms (無負載)
輸出阻抗 : ≧ 0.04 Ohm
左右聲道分離度: ≧90dB(no load @10kHz) ≧62dB (@15ohm load @10kHz)
使用時間: 耳擴輸出約10小時或以上,CLASS-A(A-OUT)輸出約4小時或以上
充電時間: 約6小時 (DC 5V, 500mA)
充電電壓: DC5~5.5V (最大)
外置供電: DC4.5V~18V (最大)
機身尺寸: 57mm x 105mm x 24mm
(註: 由於產品持續的更新改良,如規格或數據有所變更,恕不另行通知)
 
 
User Reviews:
 

Multi-Portable Amp Thread: 16 amps reviewed (Leckerton UHA-6S MKII added) (FROM HEAD-FI)

Summary:  The Lear FSM-02 v2 is an exceptional amp that offers quite a few options combined with competitive sound from the op amp section and class leading sound from the class A amp section, with performance that approaches that of the Portaphile 627.  Features include a built in EQ with a bass or treble boost, the ability to change op amps, and an input for an external power supply up to 18V.  Not the smallest in size, the curves and flat side help the amp pair well with iPods and phones.  Battery life is OK with the op amp output, registering about 10 hours, but the 4 hour class A battery life is a bit on the short side, although it is simple to just plug the amp in to any USB port for charging.  Overall, the Lear FSM-02 v2 is an exceptional amp and an exceptional value when the features and performance are taken into account.  Highly recommended!

 

 

Manufacturer Model Price Form Factor Power Charge Option Interference 4 Pin Compatible
 

Lear

FSM-02 v2 $412 Portable Battery USB Class A None Yes
Lear FSM-02 v2 $412 Portable Battery USB op amp output None Yes

 

Quantity Warmth Note Sustainment Smoothness Soundstage
Deep Bass Bass Mid-Bass Midrange Upper Mids Treble Width Depth Imaging
6 5 5 5 5 5 5 5 9 8.5 8.5 9
6 5 5 5 5 5 5 5 7.5 8 7.5 9

 

Bass Mids Treble Transparency Dynamics Resolution/Detail Clarity Soundstage Score Total - Quality Hiss Imbalance Size/ Portability Total Quality, High sensitivity IEMs
Quality Quality Quality
10 10 10 10 10 10 10 8.7 9.7 10.0 8.0 4.0 7.9
9.5 9 9 9.5 9 10 9.5 8.2 9.0 10.0 8.0 4.0 7.8

 

 

 

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