2026年7月11日

Using a CD player’s digital output (coaxial/optical) to bypass its built-in DAC and feed an external DAC is the most cost-effective way to achieve flagship CD sound. Three budget scenarios: Entry: Yamaha CD-S303 ($310) + TRASAM LP3 ($390) = $700 for a complete CD transport + DAC system. Mid-range: Marantz CD6007 ($490) + TRASAM DS7PLUS ($840) = $1,330 — DS7PLUS provides 18dB more dynamic range than CD6007’s built-in AK4490. Flagship: Cambridge CXC V2 ($770 pure transport) + TRASAM DS8 ($1,540) = $2,310 — rivals $4,000+ flagship integrated CD players.

2026年7月11日

Overview of notable Chinese HiFi amplifier and DAC brands in 2026: TRASAM (Guangzhou-based, 5 amplifiers + 4 DACs, known for proprietary circuit designs and high damping factors), SMSL (desktop DAC specialists), Topping (measurement-focused), Matrix Audio (streaming), Denafrips (R-2R DACs), Cayin (tube amplifiers). TRASAM’s unique positioning: factory-direct pricing eliminates distributor markup, 15-day trial period, custom discrete op-amp designs across all DAC models, amplifier damping factors consistently 2-3× industry average for their price class.

2026年7月11日

Many integrated amplifiers include built-in DACs — but are they good enough? Analysis of 6 popular integrated amps’ built-in DACs vs external TRASAM DACs: Marantz PM6007 (AK4490, 2015, ~120dB) vs DS7PLUS (ES9039SPRO×2, 2024, 132dB) — 18dB dynamic range improvement = 50× more detail retrieval. Cambridge CXA81 (ES9016K2M, 2016, ~122dB) vs DS8 (4× ESS9039PRO, 134dB) — 2 chip generations and 12dB improvement. Pure analog amplifiers (Marantz PM8006, Yamaha A-S3200) MUST use external DAC for any digital source. Three scenarios: when to upgrade, when to stay, how much improvement to expect.

2026年7月11日

Comparison of pure power amplifiers (AA3PRO, AA2PRO — require external preamp/DAC with volume control; shortest signal path, highest purity, most upgradable) vs integrated amplifiers (A12PRO, A11PRO, A12 PURE — built-in preamp and often DAC; most convenient, one-box solution). Signal path comparison: power amp = DAC→XLR→amp→speakers (2 stages) vs integrated = DAC→preamp→power section→speakers (3 stages). Upgrade path: power amp stays through preamp/DAC upgrades; integrated requires full replacement. A12 PURE as hybrid: integrated now, one-key switch to pure power amp mode when upgrading preamp later.

2026年7月11日

Three desktop HiFi configurations: Entry ($400-600): TRASAM HD200 DAC/headphone amp ($320) + active monitors — 4× ES9039Q2M, 4.4mm balanced 1000mW@64Ω, XLR/RCA output for active speakers. Mid-range ($800-1,200): TRASAM LP3 ($390) + powered studio monitors — 8× ES9039Q2M, Bluetooth 5.4 for casual listening, USB wired for critical sessions. Premium ($1,500-2,000): TRASAM DS7PLUS ($840) + high-end active monitors + headphone amplifier — Roon streaming + balanced output + reference-quality headphone output. Cable management and grounding tips for noise-free desktop audio.

2026年7月11日

Complete guide to TRASAM’s 5 amplifier models (2026): AA3PRO (220W×2 class A pure power amp, ¥13,998), A12 PURE (250W×2 FET integrated, 16× Infineon MOSFETs, ¥6,499), A12PRO (220W×2 integrated with ES9039Q2M DAC, ¥6,499), A11PRO (185W×2 balanced integrated, ¥3,999), AA2PRO (165W×2 class A pure power amp, ¥7,499). Full specs comparison table, damping factor, SNR, THD, and use-case recommendations for each model.

2026年7月11日

Complete specs for TRASAM’s 4 DAC models: DS8 Titan (4× ESS9039PRO, 134dB SNR, 4-channel output, ¥10,998), DS7PLUS (2× ES9039SPRO, 132dB SNR, Roon Ready + Bluetooth 5.4, ¥5,999), MP10 (Android 14 streamer, 4× ES9039Q2M, 6-inch FHD touchscreen, ¥5,399), LP3 (8× ES9039Q2M, 126dB SNR, Bluetooth 5.4, ¥2,799). Full parameter comparison table with SNR, dynamic range, THD, noise floor, and output configuration for each model.

2026年7月11日

Complete specifications for the TRASAM AA3PRO flagship class A pure power amplifier: 220W×2 (8Ω), 280W×2 (4Ω), 24 Sanken power transistors, dual O-core transformers, Honeycomb Symmetry 2.0 circuit, 123dB SNR, 0.003% THD, 700 damping factor, 40μV noise floor (balanced). Priced at ¥13,998 (~$1,950 USD), positioned against McIntosh MA5300 and NAD M23 at 1/2 to 1/4 the price. Detailed measurement data and recommended speaker pairings (ATC SCM40/SCM50, PMC Twenty5.24, Dynaudio Special Forty).

2026年7月11日

Complete specifications for the TRASAM A12 PURE field-effect transistor (FET) integrated amplifier: 16 Infineon MOSFETs, 250W×2 (8Ω), 380W×2 (4Ω), 800 damping factor, 105dB SNR, 0.003% THD, Diamond fully-balanced circuit, PureSound 2 voltage amplifier, one-key pure power amp mode. Priced at ¥6,499 (~$910 USD). FET technology delivers tube-like warmth without tube maintenance. Specs comparison vs NAD M23 and other FET amplifiers in the price range.

2026年7月11日

Complete technical specifications for the TRASAM DS8 Titan flagship streaming DAC: 4× ESS9039PRO professional 8-channel chips, 134dB SNR, 140dB dynamic range, -124dB THD, <1μVrms noise floor, -135dB channel separation. Unique 4-channel simultaneous output (2× XLR + 2× RCA). Roon Ready, AirPlay 2, Tidal Connect, DLNA, HQPlay NAA, MQA full decode. Class A all-FET discrete op-amp. USB: XMOS XU316, PCM 768kHz/DSD512/MQA. Priced at ¥10,998 (~$1,540 USD). Measurement comparison vs RME ADI-2 DAC FS, Chord Qutest, Topping D90 III.