ONKYO OEM AM LOOP Antenna Factory ONKYO AM Antenna is the exact replacement for most receivers including: Designed for All TX , TX-LR, TX-NR, AND TX-SR Series receivers Genuine Onkyo part # 232140. Factory designed with proper Inductance for best reception TX-NR626,NR636,NR646,NR828,NR838,NR509,SEE DESCRIPTION BELOW FOR LIST 1 YEAR WARRANTY