Best Headphone Amplifiers Series: Ray Samuels Audio B-21 Raider Electrostatic and Dynamic Amplifier

Ray Samuels Audio is a long-standing builder of both portable and desktop headphone amplifiers. Ray sent us his B-21 Raider amp to try with a bevy of high-end electrostatic and dynamic headphones that arrived in the lab. As you might intuit, the B-21 can drive both types of headphones. Let’s see what we heard. 00:00 Ray Samuels Audio B-2100:59 Overview Ray Samuels Audio B-2102:44 Sound Quality07:13 Summary SummaryThe Absolute Sound’s Review Methodology: https://www.theabsolutesound.com/articles/the-absolute-sounds-review-methodology-first-principles/Newsletter: https://www.theabsolutesound.com/newsletterFacebook: https://www.facebook.com/theabsolutesoundSubstack: https://www.theabsolutesound.substack.comTom Martin’s Reference System:Aurender N200 ServerRoon Nucleus serverMac Mini (M2) serverWiim Pro server/DACBluesound Node server/DACTopping D70 Pro DACdCS Lina DAC/Master clockBerkeley Alpha DAC Reference Series 3 with Alpha USB Series 2 input moduleJ Sikora Initial Max turntableTechnics SL-1210G turntableKuzma 4Point 9” armJ Sikora KV12 tone armDS Audio 003 cartridgeBenz Gullwing SLR cartridgeHana Umami Blue cartridgeHegel V10 phono preampMusical Surroundings Phonomena III phono preampDS Audio 003 optical cartridge energizerAudio Research Reference 6SE preampPS Audio BHK 600 mono power ampsMBL N51 integrated amplifierMagico A5 speakersWireworld Platinum Electra speaker and line cablesShunyata Omega digital cablesShunyata Venom power cables and directorAVN Systems acoustic designRediacoustic diffusers and absorbersRediacoustic bass trapsSalamander racksSolidsteel Turntable rackWhat Is The Absolute Sound?The Absolute Sound magazine has been a leading publication in high-end audio since 1972. Since the early 2000s, The Absolute Sound has expanded to include web, newsletter, digital magazine, social media, YouTube and Substack platforms. The Absolute Sound platforms have a global audience of over 500,000 audiophiles.#hifi #audiophile #theabsolutesound Copyright 2025, Nextscreen LLC, all rights reserved