The Fulcrum Acoustic RX line on Speaker Ranking spans 2 generations and 6 models, from the Fulcrum Acoustic RX699 and Fulcrum Acoustic RX599 to the Fulcrum Acoustic RX4, Fulcrum Acoustic RX5 and Fulcrum Acoustic RX6. Ratings run from 3.2/5 to 3.7/5. Of these, 4 are still sold.
Each column below is one generation, oldest on the left. Each row follows one model into the model that replaced it; a long arrow means a model skipped a generation. Ratings are out of 5, and an estimated rating comes from measured models in the same family.
More from this brand: every Fulcrum Acoustic speaker ranked.
Generation by generation
RX699 to RX6
The Fulcrum Acoustic RX6 replaced the Fulcrum Acoustic RX699. It rates higher, 3.7/5 against 3.5/5.
| Spec | RX699 | RX6 |
|---|---|---|
| Drivers | 6.5” woofer with 2” voice coil, horn-loaded compression driver (coaxial) | 6.5” woofer with 2” voice coil, coaxial 1” compression driver |
| Amplifier Power | Passive speaker; requires external amplification within the 175W handling rating at 16 ohms | Passive speaker; requires external amplification |
| Weight | 11.9 lbs (5.4 kg) | 10.8 lbs (4.9 kg) |
RX599 to RX5
The Fulcrum Acoustic RX5 replaced the Fulcrum Acoustic RX599. Both rate 3.3/5.
| Spec | RX599 | RX5 |
|---|---|---|
| Drivers | 5.25” woofer with coaxial 1” compression driver | 5.25” woofer with coaxial compression driver |
| Maximum SPL | 115dB | 117dB peak |
| Weight | 8.6 lbs (3.9 kg) | 9 lbs (4.1 kg) |
Frequently Asked Questions
How many generations of the Fulcrum Acoustic RX are there?
Speaker Ranking covers 2 generations of the Fulcrum Acoustic RX, from the Fulcrum Acoustic RX699 and Fulcrum Acoustic RX599 to the Fulcrum Acoustic RX4, Fulcrum Acoustic RX5 and Fulcrum Acoustic RX6.
What replaced the Fulcrum Acoustic RX699?
The Fulcrum Acoustic RX6 replaced the Fulcrum Acoustic RX699. It is rated 3.7/5, against 3.5/5 for the Fulcrum Acoustic RX699.
What replaced the Fulcrum Acoustic RX599?
The Fulcrum Acoustic RX5 replaced the Fulcrum Acoustic RX599. Both are rated 3.3/5.