| Synth Name: | Oberheim TVS-1A |
| Dates: | 1975–1979[1] |
| Price: | $2000US |
| Synth Manufacturer: | Oberheim Electronics |
| Synthesis Type: | Subtractive |
| Polyphony: | 2 Voices |
| Timbrality: | Multitimbral |
| Oscillator: | 4 VCO's (2 per voice) with sawtooth or variable-pulse waveforms |
| Filter: | Multimode filter with cutoff and resonance. |
| Lfo: | LFO (triangle wave) |
| Keyboard: | 37 Keys |
| Input: | CV / Gate |
| Fx: | No |
| Velocity: | No |
The Oberheim TVS-1A or Two-Voice is a polyphonic analogue synthesizer manufactured in the United States and released to the market in 1975. Its two voice digital keyboard can be operated in either polyphonic or monophonic mode. The TVS-1A also featured sample and hold and an onboard 16-step sequencer.[2]