Sonixstomp - NOS diodes 1S2473(Yellow band) and RC3403ADB OP-Amp. These semiconductors are the core of the earliest OD-1 Overdrive from BOSS in 1977. ODDYSSEY 1 adopted these op-amp and diodes and produce
![Vintage 1978 2x Raytheon RC3403ADB 14-pin IC Opamp for Boss OD-1 Overdrive SP-1 Spectrum PH-1 Phaser | Reverb Vintage 1978 2x Raytheon RC3403ADB 14-pin IC Opamp for Boss OD-1 Overdrive SP-1 Spectrum PH-1 Phaser | Reverb](https://rvb-img.reverb.com/image/upload/s--hhykeBar--/f_auto,t_large/v1535869489/wl4bbani7ec6adzdj6qn.jpg)
Vintage 1978 2x Raytheon RC3403ADB 14-pin IC Opamp for Boss OD-1 Overdrive SP-1 Spectrum PH-1 Phaser | Reverb
![BOSS OD1 CLONE RAYTHEON RC3403ADB 14 PIN IC THUNDERTOMATE TAXI DRIVER NEC uPC4741C TL084ACN T.I. | Reverb BOSS OD1 CLONE RAYTHEON RC3403ADB 14 PIN IC THUNDERTOMATE TAXI DRIVER NEC uPC4741C TL084ACN T.I. | Reverb](https://rvb-img.reverb.com/image/upload/s--HsGQlnWt--/a_exif,c_limit,e_unsharp_mask:80,f_auto,fl_progressive,g_south,h_620,q_90,w_620/v1471920886/ivn9umvvyqd89kzhgsu9.jpg)