graphic_eqAuthentic DX7-family FM characterNotableexpand_more0 mentions
Many owners note the DX9 shares the DX7's underlying gritty FM DNA, especially in bass, bell, string and electric piano patches. Some argue it retains 12-bit sound closer to the original DX7 than later DX7S revisions.
Widely praised
attach_moneyCheaper alternative to the DX7expand_more0 mentions
Many buyers chose the DX9 specifically because they couldn't afford the DX7 at the time, appreciating it as a lower-cost way into FM synthesis with a similar look.
Widely praised
tuneEasier to program than the DX7expand_more0 mentions
Several users found the DX9's simpler 4-operator structure and interface much easier to learn and program than the DX7's 6-operator system, making it a good entry point into FM synthesis.
Widely praised
piano16-voice polyphonyexpand_more0 mentions
Commenters highlight that the DX9 offered 16-voice polyphony at a time when most competing polysynths topped out at 8 voices, a notable spec advantage for its era.
Widely praised
buildRugged, durable buildexpand_more0 mentions
Owners report the DX9 held up to heavy stage abuse for two decades and survived rough baggage handling, reflecting solid Yamaha construction from the era.
Widely praised
layersEffective for layering with other keyboardsexpand_more0 mentions
One long-term user found the DX9 particularly useful layered with other keyboards, using its bell and attack sounds to thicken pianos and fat string patches.
Widely praised
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