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Thanks to Apos Audio for the loan of A90D!
Buy from Apos (affiliate link): apos.audio/products/topping-a...
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Patreon: / wavetheory1
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My Reviews of Other Topping Gear:
DX7Pro+:
L30: forum.hifiguides.com/t/toppin...
A50s: forum.hifiguides.com/t/toppin...
A30Pro: • Topping A30 Pro Headph...
A90: • Topping A90 Headphone ...
E30: forum.hifiguides.com/t/toppin...
D50s: forum.hifiguides.com/t/toppin...
D30Pro: • Topping D30 Pro DAC Re...
D90SE: • Topping D90se DAC Review
My Reviews of Other Mentioned Gear:
Lake People G111mk2: • Lake People G111mk2 He...
Schiit Bifrost 2: • Schiit Bifrost 2/64 DA...
Singxer SU-2: • Singxer SU-2 USB Audio...
Beyerdynamic DT880 600 ohm: • Beyerdynamic DT880 600...
Focal Radiance: • Focal (Bentley) Radian...
JM Audio OCD Extreme: Stealth Edition (HiFiMan HE-R9 mod): • JM Audio OCD Extreme S...
HiFiMan Ananda Stealth Magnet Edition: • HiFiMan Ananda Stealth...
HiFiMan HE6sev2: • HiFiMan HE6se V2 Headp...
HiFiMan HE1000se: • HiFiMan HE1000se Headp...
HiFiMan Susvara: • HiFiMan Susvara - Summ...
Sennheiser HD6XX: • Massdrop + Sennheiser ...
For more about Waves and Wave Superposition, check out Part 2 of my Cables Matter Series: • Cables Matter Part 2: ...
Channel Intro: • Channel Introduction
My Hearing Quirks: • WaveTheory's Hearing Q...
Timestamps..
00:00 Intro & Disclaimers
00:48 Shameless Self Promotion
01:16 Pricing, Specs, Build
12:02 Sound Preface
14:03 Test Gear
16:04 Sound
26:11 Comparison with OG A90
27:23 Comparisons with Competition
28:32 Wrapping Up A90D On its Own
30:37 Thoughts on Measurements vs Performance