LPS-T8
LPS-T8
Nearly 90% Lower Output Ripple
電源経路全体の再構成
アップグレードの内容を 3 つの部分に分けて紹介します。
DCリニアレギュレーター基板
This board handles the upgraded DC supply stage, converting the transformer output into a quieter, lower-impedance feed for the T8 audio circuitry. The materials below identify the key parts, while the table shows how they improve on the stock design.
| 項目 | Eversolo T8 標準仕様 | LHY Audio LPS-T8 | アップグレードの利点 |
|---|---|---|---|
| 整流 |
ダイオードブリッジ MUR860 Fast Recovery Rectifier Diodes |
アップグレード LT4320 High-Performance Full-Wave Ideal Rectifier
2.0mm PCB, 2.5oz heavy copper, immersion-gold finish PCB
WBT Solder & Thick Gold-Plated Pins
|
Reduced rectifier lossActive rectification helps reduce voltage drop and heat generation compared with conventional diode bridges.
安定した電流供給Improves voltage stability and current delivery under load.
|
| メイン平滑コンデンサー |
6800µF/35V ×6 標準搭載コンデンサー |
アップグレード Nichicon KG Series (Hi-Fi グレード)
10,000µF/50V ×4 — higher capacity & voltage rating
|
Higher Energy ReserveNichicon KG 10,000µF / 50V capacitors provide higher reserve capacity for the DC regulation stage, supporting stable current delivery under load
Superior ripple rejectionHigher 50V rating and 10,000µF capacity for improved dynamic resolution
|
| 安定化回路構成 |
Op-Amp + MOS-FET OPA277 Op-Amp + MOS-FET Regulation |
アップグレード ADI LT3042 Ultra-Low Noise Linear Regulator
PNP Current Boosting for robust load handling
|
0.8µV RMS device noiseLT3042 is specified for ultra-low-noise regulation, supporting a lower-noise DC output stage.
Unmatched precisionTop-tier voltage purity for the most critical audio circuits
|
| 出力フィルタリング |
1000µF/25V ×18 Stock Capacitors + Small WIMA Film ×2 |
アップグレード Nichicon FW Series 1000µF/25V ×12
WIMA Film Capacitors 0.1µF/1000V ×3
|
Low-ESR audio gradeProfessional audio capacitors for excellent high-frequency response and superior filtering performance
|
| 基板と製作品質 |
1.6mm PCB Immersion Gold PCB, standard process |
アップグレード 2.0mm PCB thickness, 2.5oz heavy copper, immersion-gold finish
Selected WBT solder
|
Lower impedanceHeavy copper traces reduce impedance and improve heat dissipation
接続の信頼性Selected hand-soldered power-path joints use WBT solder, together with gold-plated connection pins, to support secure contact and long-term connection reliability.
|
AC用EMIフィルター基板
AC フィルター基板は、電源がトランスと電圧制御段に到達する前に、入力される商用電源を処理します。電源ラインからの干渉を抑え、電流供給を保ち、後段の電源経路によりクリーンな入力を渡すことを目的としています。
| 項目 | Eversolo T8 標準仕様 | LHY Audio LPS-T8 | アップグレードの利点 |
|---|---|---|---|
| フィルター構成 |
Standard 2-Stage Standard two-stage filter with generic safety capacitors |
アップグレード Advanced Two-Stage EMI Filter
Dual common-mode chokes
Swedish RIFA X2/Y2 safety capacitors
|
Superior rejectionHelps improve rejection of line-borne interference across a wide frequency range
|
| 安全規格コンデンサー |
産業用グレード Standard industrial-grade safety capacitors |
アップグレード Swedish RIFA PME271 Series
X2 & Y2 safety-rated capacitors
|
Safety-rated FilteringSwedish RIFA X2/Y2 capacitors are used for stable AC line filtering and suppression of line-borne interference
Cleaner AC FoundationHelps reduce incoming mains noise before it reaches the transformer and regulation stage, supporting a cleaner power foundation for the T8
|
| コモンモードチョーク |
E コアチョーク E-core chokes with small-gauge windings |
アップグレード Custom Large Toroidal Chokes ×2
High-permeability cores
Thick Oxygen-Free Copper (OFC) wire
|
安定した電流への対応Large toroidal chokes support stable current handling and AC line filtering.
Lower Winding ResistanceOFC windings help reduce winding resistance and support efficient current delivery.
|
| 電圧切替 |
Auto Relay Automatic relay switching via voltage sensing circuit |
アップグレード Manual 110V/220V Terminal Jumper
Direct hard-wired AC power path
|
SAC power pathMinimal contact resistance — Fewer relay contacts in the AC input path help reduce contact resistance and improve long-term reliability.
安定した電源接続A direct terminal-jumper design avoids relay switching in the AC input path and keeps the power connection simple and robust.
|
| 基板と製作品質 |
1.6mm PCB Standard 1.6mm Immersion Gold PCB |
アップグレード 2.0mm PCB thickness, 2.5oz heavy copper, immersion-gold finish
Carefully Hand-Soldered Power-Path Components
|
Enhanced shieldingHeavy copper improves current handling and thermal spreading, while the immersion-gold finish supports oxidation resistance and long-term solderability.
|
Sedlbauer Shielded Toroidal Transformer
The transformer section supplies the magnetic foundation for the upgrade. This module focuses on cleaner source power, reduced leakage, and better isolation before the current reaches the DC regulation stage.
| 項目 | Eversolo T8 標準仕様 | LHY Audio LPS-T8 | アップグレードの利点 |
|---|---|---|---|
| トランス |
標準搭載トランス 標準搭載ユニット |
アップグレード Genuine German Sedlbauer Flagship Series Toroidal Transformer |
Low magnetic leakageAdvanced low-magnetic-leakage design with dual-layer shielded structure and independent grounding
Enhanced EMI/RFI rejectionCompared with the stock transformer, the shielded Sedlbauer toroidal transformer helps reduce magnetic leakage and provides a cleaner source for the downstream regulation stage
German precisionHigh-quality Sedlbauer toroidal core supports stable source power and helps reduce magnetic leakage
|
キット構成と整った取り付け経路
The LPS-T8 package includes the three core modules, dedicated wiring, and mounting accessories required for a clean internal installation.
DCリニアレギュレーター基板
アップグレード後の電源経路を担う、低ノイズの主要リニア電源モジュールです。
AC用EMIフィルター基板
Two-stage interference suppression with premium safety capacitors.
Sedlbauer Transformer
Shielded German toroidal transformer for cleaner source power.
専用ワイヤーハーネス
内部を整然と配線できるよう用意されたコネクターと配線です。
取り付け用付属品
Professional installation tools: 2.0 mm hex key, 4.0 mm hex key, M5/M6 nut wrench, Phillips screwdriver, and gloves.
元に戻せるアップグレード。筐体の切削は不要
The LPS-T8 kit is designed as a clean replacement path for the original PSU assembly. The factory parts can remain intact, the chassis does not need cutting, and the upgrade can be reversed if future service requires it.
取り付けガイド PDF
Download the official guide before installation and follow the screw sequence, wiring map, and final safety checks step by step.
Measured Under Controlled Bench Conditions
Ripple noise performance is verified with a dedicated bench setup and then reported under idle and full 2A load conditions, so the upgrade can be evaluated by measured electrical behavior as well as listening impressions.
ベンチ検証の構成
The measurement setup verifies the upgraded power path under controlled input, load, and probing conditions before the ripple results are reported below.
標準電源と LPS-T8 のリップルノイズ比較
Lower microvolt ripple means cleaner current delivery and a darker electrical noise floor.
| 比較項目 | Eversolo T8 標準仕様 | LHY Audio LPS-T8 | 結果 |
|---|---|---|---|
| リップルノイズ | Factory PSU reference: 32.09µV | 3.556µV even under full 2A load | Approximately 89% lower ripple than the stock reference. |
| アイドル時のノイズフロア | Stock switching architecture leaves more residual ripple. | 2.557µV static ripple at idle. | Cleaner background before playback begins. |
| 負荷時の安定性 | Higher ripple rises against the upgraded linear supply baseline. | Maintains microvolt-level noise at full 2A load. | Stable current delivery with stronger dynamic headroom. |
Reserved for the oscilloscope capture that documents the idle-state measurement shown above.
Reserved for the full-load capture that supports the 2A ripple-noise result.