Educational

• speak and spell line

Model: Speak and Math 1v   
Battery: 4 x 1,5 C
AC adapter: AC9199
Year: 1981
Chip: TMC0270/CD2704, CD2801, CD2392, CD2393
Info: 1 series red logo on the left

• speak and spell line

Model: Speak & Math 2v   
Battery: 4 x 1,5 C
AC adapter: AC9199
Year: 1986
Chip:
Info: 2 series red logo on the right

• speak and spell line

Model: Spell & Read 1 V  
Battery: 4 x 1,5 C
AC adapter: AC9199
Year: 1980
Chip:
Info: 1 series blue logo on the center with wave

• speak and spell line

Model: Speak & Read 2 v  
Battery: 4 x 1,5 C
AC adapter: AC9199
Year: 1986
Chip: TMC0270/CD2705, TMC0280/CD2801, 2*TMC0350 (CD2394, 2395)
Info: 2 series blue logo without wave

• speak and spell line

Model:  Speak & Spell  1v   
Battery: 4 x 1,5 C 
AC adapter:
Year: 1978
Chip:
Info: 1 series blue logo on the right. The Speak & Spell series uses the first single chip LPC speech synthesizer with the TMC0280. Subsequent refinements to the Speak & Spell chips led to the TMS5100, 5200 and 5220 speech synthesis processors for commercial products. This Jiminy Cricket uses a CD2801 which it interprets as TMC0280, Version 1.