What is Fidelity in Research?

You know about validity. You know about reliability. Do you know about fidelity?

Fidelity Research FR/1 headshell For Turntable Tonearm Cartridge

Fidelity-Research FR-64fx Low Mass / Dynamic Balance Type Tone Arm In Near mint Condition , Item Description: , This unit is in near mint condition

Fidelity-Research FR-64fx Tone Arm in near mint Condition

FidelityNews on X: New this week: @FidelityforWMs introduces

FR-54 Fidelity Research - HiFi-Do McIntosh/JBL/audio-technica/Jeff

, Item Description , This unit is in very good condition (please see photos). This Tone amr has been checked and tested confirm working perfectly.

Fidelity Research FR-24 mk2 Tone Arm In VG Condition

OTOMON Laboratory (音門ラボ) / Fidelity Research FR-24S tonearm

Fidelity Research FR64s fully restored

Virtuosoaudio - Fully restored, Fidelity Research FR 66 s

My new (vintage) tonearm, the Fidelity Research FR-64S : r/audiophile