iFi iDSD Pro Signature（アイファイアイディーエスディープロシグネチャー）
2020年iFi公開iDSD Pro Signature Premium DAC/Tube HPA。Burr-Brown DAC+GE5670 Tube+Solid State Hybrid+UK iFi Heritage+Audiophile Hybrid Tube Premium搭載。
概要
iFi iDSD Pro Signatureは2020年iFi公開のiDSD Pro Signature Premium DAC/Tube HPAで、iFi Audio は2012年UK Southport創業のAudiophile Portable/Desktop Brand。iFi は2012年〜14年UK Audiophile Brand Heritage(AMR Audio Sister Brand) + Audiophile界隈iFi UK Hybrid Tube Iconic認知度高 + iDSD Series(Portable + Desktop)/ Pro Series(Premium Desktop)/ NEO Series(Modern Desktop)等のiFi Family展開、 Vinyl復興期iFi UK Hybrid Tube Engineering Penetration主導 + iEMatch / iPurifier等のAccessory Family展開。iDSD Pro SignatureはiFi Pro Series 2020年Top Premium DAC/HPA Position、 「Burr-Brown DAC + GE5670 Tube + Solid State Hybrid + UK iFi Heritage + Audiophile Hybrid Tube Premium」 のiFi独自Engineering Maximization、 Benchmark HPA4 / Schiit Yggdrasil / Holo Audio May KTE / Denafrips Pontus II等のPremium HPA/DAC市場対抗のiFi UK Hybrid Tube Audiophile Strategy。「Burr-Brown DAC + GE5670 Tube」 はiDSD Pro Signature最大Differentiation、 Mass Market DAC/HPA(Pure Solid State Standard)対比 Burr-Brown TI DSD1793 DAC + GE General Electric 5670 Vintage Tube(Tube Mode Optional)+ Solid State Hybrid(Tube/Solid State Switchable)+ Audiophile Hybrid Tube Premium。「Tube/Solid State Switchable」 はiDSD Pro Signature Versatility、 Pure Tube HPA(Tube Sound Signature限定)/ Pure Solid State HPA(Transparent Sound限定)対比 Tube + Solid State両Mode Switchable + Audiophile Source/Mood Use Case両対応 + iFi独自Hybrid Engineering。「Burr-Brown DSD1793 DAC」 はiDSD Pro Signature Premium DAC、 Mass Market DAC(AKM/ESS Sabre Standard)対比 Burr-Brown TI Premium DAC + Audiophile Burr-Brown Sound Signature愛好User Premium。価格 ¥330,000(2024年日本国内) はAudiophile Hybrid Tube Premium Position。
主な特徴・仕組み
- Burr-Brown DSD1793 DAC: TI Premium DAC + Audiophile Sound Signature
- GE5670 Vintage Tube: General Electric 1950年代Tube
- Tube/Solid State Switchable: Hybrid Versatility
- Balanced + Single-end両対応: 4-pin XLR + 1/4inch Headphone Output
- Bit-perfect DSD512 + PCM 768kHz対応: Modern Hi-Res Audio
- MQA Full Decoder: MQA Hi-Res Audio対応
- UK Southport Hand-built: iFi 14年Heritage
- AMR Sister Brand Heritage: AMR Audio Engineering継承
- Audiophile Hybrid Tube Premium: iFi Iconic
- Pre-amp Function内蔵: Versatile Setup
関連用語との違い
Benchmark HPA4との違い: HPA4(THX-AAA Pure Solid State + Pro Reference Studio Standard + US Syracuse + ¥390K)はPro Reference Solid State Transparent、 iDSD Pro Signature(Burr-Brown + GE5670 Tube + Hybrid Switchable + UK iFi + ¥330K)はAudiophile Hybrid Tube Premium + Versatile Mood選択。Pro Reference Transparent → HPA4、 Audiophile Hybrid Tube → iDSD Pro。
よくある質問（FAQ）
Q1: Tube vs Solid State Mode どちらを選ぶ？ A: Tube Mode(GE5670 Vintage Tube Sound Signature + Audiophile Warmth + Vinyl/Jazz/Vocal最適)→ Tube Mode、 Solid State Mode(Pure Transparent + Modern Pop/EDM/Hi-Res最適)→ Solid State Mode + iFi独自Switchable両対応Versatility。
Q2: Burr-Brown DSD1793 DAC は本当に良い？ A: Mass Market AKM/ESS Sabre DAC対比 Burr-Brown TI Premium DAC + Audiophile Burr-Brown Sound Signature(Warm + Musicality)愛好User限定価値Proposition + iFi独自Burr-Brown選定Heritage。
Q3: GE5670 Tube は本当に Vintage？ A: 1950年代General Electric 5670 Vintage Tube + 60+年Vintage Tube継承 + Audiophile Vintage Tube Sound Signature価値Proposition + iFi独自Vintage Tube選定Engineering Heritage。
まとめ
- iFi iDSD Pro Signature = 2020年iFi Pro Series Top Premium
- Burr-Brown DSD1793 DAC + GE5670 Vintage Tube
- Hybrid Tube + Solid State Switchable Versatility
- DSD512 + PCM 768kHz + MQA Full Decoder
- UK Southport 14年Heritage + Audiophile Hybrid Tube Premium
- Audiophile Hybrid Tube + Versatile Mood選択重視User向けNiche