The internet will tell you the SM7B is the only vocal mic. The truth is more useful: it's the most *forgiving* vocal mic, and forgiveness is what untreated rooms need.
The actual tradeoff
- Dynamic (SM7B, PodMic): Rejects the room. Your refrigerator, your street, your bare walls — mostly gone. Costs you air and detail, and demands serious preamp gain (the Apollo and 4th-gen Scarletts deliver it; older budget interfaces don't).
- Condenser (NT1, AT2020, TLM 102): Hears everything, including the room. In a treated space this is detail; in a bedroom it's echo. The NT1's 32-bit float USB mode is the modern cheat code for never clipping a take.
Our line
Untreated or noisy room → dynamic, no debate. Treated room and a quiet house → the condenser at your budget wins on detail. The project-studio build pairs the SM7B with enough clean gain to drive it properly.