MullardEL37Brand on TubeMullardBottle HeightTall BottleGlass ColorSmoked GlassGetterBottom GetterPin ColorSilver PinsBaseBlackLets discuss this tubeMore EL37 type tubesAmperexBy MullardEL37MullardEL37MullardEL37More tubes branded MullardDaystromMullardECC8312AX7DynacoMullardBy MullardEL34Xf1IECMullard12AU7AECC82Mullard12AX7AMullardECC8312AX7I63Mullard6189CV4009630Mullard6SN7GTR92Mullard6SN7GTBMullard12AX77025AmertyMullard6L6GMullardBy Philips6SN7GTMullardBy Philips6SN7GTAMullardBy PhilipsECC82K6BMullardBy PhilipsECC82K6CMullardBy PhilipsECC82k6PMullardBy PhilipsGZ34MullardBy R/T La RadiotechniqueECC40LC5MullardCV181MullardCV19886SN7GTYMullardCV402412AT7WA7010MullardE283CCMullardE82CCMullardE88CCMullardECC33MullardECC32MullardECC32MullardECC33MullardECC33rX1MullardECC34MullardECC3452KMullardECC40MullardECC82Mullard12AU7MullardECC8212AU7K61MullardECC82F3MullardECC82GF1MullardECC82K61MullardECC83MullardECC8312AX7I61MullardECC8312AX7I63MullardECC8312AX7mC1MullardECC8312AX7MullardECC83f91MullardECC83mC1MullardBy SiemensECC83mC5MullardEF86MullardEF869r1MullardEL336AG6MullardBy PhilipsEL346CA7SYOMullardEL346CA7Xf4MullardBy AmperexEL34MullardEL34Xf1MullardEL34Xf2MullardEL34Xf3MullardEL34Xf4MullardEL37MullardEL37MullardEL846BQ5rX1MullardEL84rX2MullardGZ32MullardGZ32R71MullardGZ34F32MullardGZ345AR4F33MullardGZ34MullardGZ37CV378IECMullard5U4GBMullardKT77XF2MullardM8137CV4004