PT2399 DELAY, DLFO, 3340 VCO, 4 CV CHANNEL MIXER and 2164 VCF are among AT1s most popular products.
Dual LFO by AT1.
QUAD MIXER by AT1.
ENVELOPE GENERATOR by AT1.
3340 VCO by AT1
2164 VCF by AT1
QUAD VCA by AT1.
PT2399 DELAY by AT1.