Below you can find logos, similar to the altec 1.

Balteco Balteco vector
Straaltechniek Minex Straaltechniek Minex vector
ALTEC LANSING ALTEC LANSING vector
Realtech Realtech vector
GlacialTech GlacialTech vector
VocalTec Communications 16 VocalTec Communications 16 vector
VocalTec Communications 18 VocalTec Communications 18 vector
Altec-Lansing Altec-Lansing  vector
Balteco 68 Balteco 68 vector
VocalTec Communications 17 VocalTec Communications 17 vector
ALTEC LANSING ALTEC LANSING  vector
BalTec Freios BalTec Freios vector
Vocaltec Vocaltec vector
VocalTec Communications VocalTec Communications vector
Uraltechnology Uraltechnology vector