Telefunken date code (post 1968)
Example date code: U9208811
U = the first character of the date code is the production location: Ulm, West Germany
Day of the month: the first and second digit in reversed order = 29 in the example.
Month = third and fifth digits of the month = 08 which is August
Year = fourth digit is the last digit of year, = 8 => 1968.
Second example U3218104 code
U = Ulm tube plant, West Germany
Day = 23; the first and second digit in reversed order
Month = 11 (November); third and fifth digit
Year = 1968 (Last digit of year, fourth digit)
Telefunken date codes before 1968
| A | B | C | D | E | F | G / H | I | K |
| ää 11-43 äa 9-67 äk 4-43 äz 6-43 aa 6-35? aA 1-46 aB 2-46 ab 4-31 ac 1-49 ad 7-44 ae 4-32 af 2-49 ag 5-32 ah 7-47 ai 5-31? ak 6-32 al 5-35 am 4-36 an 4-35? ao 3-49 ap 1-45 aq 1-55 ar 1-39 as 2-55 at 3-55 au 6-31? av 4-61 aw 5-61 ax 6-61 ay 7-67 az 8-67 | ba 4-55 bb 10-67 bc 5-55 bd 10-46 be 10-52 bf 6-55 bg 7-61 bh 8-61 bi 9-61 bk 5-44 bl 11-67 bm 12-67 br 5-41 bt 11-52 by 12-52 | ca 7-55 cb 10-49 cc 8-55 cd 9-55 ce 9-33 cf 1-30 cg 1-36 ch 12-49 ci 10-61 ck 6-44 cl 11-49 cm 11-61 cn 12-61 co 7-33 cp 2-30 cq 1-68 cr 5-46 cs 8-33 ct 2-41 cu 2-68 cv 3-68 cw 3-30 cy 10-40 cz 4-41 | da 2-31 db 10-55 dc 11-55 dd 1-62 de 7-30? df 2-36 dg 9-30 dh 12-55 di 2-62 dk 4-38 dl 3-62 dm 1-31 dn 3-31 do 4-68 dp 5-58? dq 5-68 dr 9-39 dt 7-36 du 6-30? dw 8-47 | ea 1-56 eb 10-53 ec 2-56 ed 3-56 ee 4-61 ee 4-62 ef 5-62 eg 6-62 eh 8-58? ei 2-34 ek 11-30 el 10-36 em 11-53 en 1-34 eö 3-34 eo 8-68? ep 2-45 eq 9-58 er 10-30 es 12-30 et 9-47 ez 12-53 | fa 1-53 fb 4-56 fc 1-54 fd 5-56 fe 6-56 ff 8-46 fg 7-62 fh 3-40 fi 8-62 fk 4-44 fl 9-62 fm 2-53 fn 10-68 fo 2-39 fp 2-54 fq 11-68 fr 12-68 fu 7-42 fv 10-44 fw 3-54 fx 3-53 fy 2-42 fz 9-41 | ga 4-50 gb 10-51 gc 7-56 gd 8-44 ge 8-56 gf 9-56 gg 10-62 gh 11-62? gi 12-62 gm 5-50 go 10-47 gr 6-50 gt 4-45 gu 1-38 gy 12-51 gz 11-51 ha 10-56 hb 11-56 hc 7-50 hd 10-33 he 11-33 hf 7-46 hg 10-38 hh 12-56 hi 6-39 hk 8-50 hl 3-63 hm 2-63 hn 3-63? hr 12-33 hu 9-5 | ia 7-37 ib 4-33 ic 5-36 id 6-33 ie 1-57 if 4-53 ig 2-57 ih 3-57 ii 5-40 ik 4-37 il 4-63 im 5-53 in 5-33 io 5-61? io 5-63 ip 4-39 iq 6-63 it 11-47 iu 2-40 iv 6-53 iy 1-43 iz 11-42 | ka 1-44 kb 1-50 kc 4-54 kd 12-46 ke 2-37 kf 9-40 kg 11-37 kh 2-50 ki 4-57 kk 10-41 kl 12-32? km 10-42 kn 5-57 ko 11-32 kp 5-54 kq 6-57 kr 4-42 ks 7-63 kt 8-63 ku 10-32 kv 5-39 kw 6-54 kx 9-68? ky 3-50 kz 11-40 |
| L / M | N / O | P / Q | R | S / T | U | V | W / X | Y / Z |
| la 3-44 lb 7-57 lc 8-57 ld 9-57 le 2-33 lf 10-63 lg 11-63 lh 12-63 ln 3-33 lr 6-46 lt 1-33l lx 11-39 ma 10-57 mb 11-41 mc 1-51 md 11-57 me 3-32 mf 8-42 mg 4-47 mh 12-57 mi 1-32 mk 4-40 ml 1-64 mm 2-51 mn 2-32 mo 2-64 mp 3-64 mv 11-44 mw 6-38 my 3-51 mz 6-42 | na 2-44 nb 1-58 nc 2-58 nd 3-36 ne 3-56 nf 4-64 ng 5-64? nh 5-64 nn 7-39 nr 4-46 öz 5-43 oa 5-30 ob 8-39 oc 4-58 od 5-58 oe 12-34 of 12-47 og 6-58 oh 7-64 oi 1-41 ok 2-38 ol 8-64 om 3-41 on 6-30 oo 12-41 op 9-64 or 11-34 ot 10-34 ou 4-30 | pa 10-39 pb 7-58 pc 8-58 pd 9-53? pe 10-64 pf 11-64 pg 5-47 ph 12-64 pn 7-34 po 8-36? pr 9-34 pt 6-40 qa 10-58 qb 11-58 qc 12-58 qd 1-65 qe 2-65 qf 3-65 ql 3-47 qr 2-47 qz 1-47 | ra 1-48 rb 1-59 rc 2-59 rd 9-44 re 9-32 rf 9-36 rg 10-50 rh 11-50 ri 8-37 rk 8-41 rl 3-59 rm 4-65 rn 12-50 ro 5-65 rp 3-45 rq 6-65 rr 7-32 rs 8-32 ru 11-38 rw 2-48 rx 3-48 rz 1-42 | sa 4-52 sb 4-59 sc 5-59 sd 6-59 se 11-35 sf 5-37 sg 5-52 sh 7-65 si 1-40 sk 12-35 sl 9-48 sm 8-48 sn 8-65 so 7-48 sp 10-35 ss 3-37 st 12-38 su 3-38 sy 6-51 ta 8-35 tb 8-40 tc 8-31 td 7-53 te 7-31 tf 7-59 tg 6-47 th 8-59 ti 9-59 tk 10-65 tl 6-35 tm 8-53 tn 9-31 to 11-65 tp 12-65 tq 6-41 tr 7-35 tw 9-53 | ük 3-43 üü 12-43 ua 11-48 ub 10-59 uc 11-59 ud 12-59 ue 1-66 uf 7-52 ug 12-32 uh 11-31 ui 7-43 uk 8-43 ul 9-38? um 3-42 un 10-48 uo 12-48 up 2-66 uq 3-66 ur 8-52 uv 12-44 uw 9-52 uy 7-41 uz 10-31 | va 4-49 vb 1-52 vc 7-54 vd 3-40? ve 1-60 vf 2-60 vg 3-60 vh 6-36 vi 4-66 vk 6-49 vl 5-66 vm 2-52 vn 6-66 vp 8-54 vr 5-49 vs 7-38? vt 3-52 vw 9-54 vz 11-36 | wa 9-37 wb 5-38 wc 4-60 wd 5-60 we 12-39 wf 8-38 wg 8-51 wh 7-51 wi 6-37 wk 4-48 wl 6-60 wm 9-51 wn 7-66 wo 12-37 wp 5-48 wq 8-66 wr 9-66 wt 6-48 xa 5-34 xb 7-36? xc 10-54 xd 7-60 xe 4-34 xf 9-46? xg 8-60? xh 6-34 xi 9-60 xk 10-66 xl 11-66 xm 12-66 xp 11-54 xr 7-40 xw 12-54 xy 9-42 | ya 10-60 yb 11-60 yc 12-60 yd 9-49 ye 2-35 yf 1-67 yg 2-67 yh 3-67 yi 5-42 ym 8-49 yn 3-35 yq 12-40 ys 1-35 yt 7-49 zb 1-61 zc 2-61 ze 3-61 zf 4-67 zm 5-67 zn 6-67 zu 10-43 zw 5-51 zz 12-42 |