RCF ND640
Compression driver specs
| Throat exit | 1.4" |
|---|---|
| Voice coil | 63 mm |
| Impedance | 8 Ω |
| Usable range | 700-20000 Hz |
| Min crossover | 700 Hz |
| Sensitivity (on horn) | 110 dB |
| Magnet | neodymium |
| Weight | 1.06 kg |
| Power (AES) | 90 W |
Compatible horns (same exit)
- 18 Sound PR614 · 60°×40°
- 18 Sound XR1464C · 60°×40°
- 18 Sound XR1496C · 90°×60°
- 18 Sound XT1464 · 60°×50°
- B&C ME464 · 80°×60°
- B&C ME90 · 80°×60°
- Beyma TD/365 · 60°×50°
- Beyma TD/385 · 80°×50°
- Beyma TD1464P 60 x 40 · 60°×40°
- Beyma TD1496P 90 x 60 · 90°×60°
- Faital PRO LTH142 · 60°×60°
- Faital PRO WG141 · 110°×110°
- Oberton H 1464 · 60°×40°
- RCF HF64 · 60°×40°
- RCF HF66 · 90°×40°
- RCF HF94 · 90°×40°
- RCF HF950 · 90°×50°
- RCF HF96 · 90°×60°
- RCF HF99 · 90°×90°
Matched on throat exit (1.4") only. Verify mounting and crossover against both datasheets.
Substitute candidates
| Driver | Min XO (Hz) | Range low (Hz) | Range high (Hz) | Voice coil (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| RCF ND2530-T3 | 700 = | 700 = | 20000 = | 63 = | 110 = | close | + | |
| RCF ND650 | 700 = | 700 = | 20000 = | 63 = | 110 = | close | + | |
| RCF ND658Y | 700 = | 700 = | 20000 = | 63 = | 110 = | close | + | |
| Beyma CD-2514Nd/PK | 800 +100 | 600 -100 | 20000 = | 63.5 +0.5 | 109.5 -0.5 | close | min crossover 800 Hz > 700 Hz: raise the XO | + |
| Oberton ND3672 | 800 +100 | 800 +100 | 20000 = | 72 +9 | 110 = | close | min crossover 800 Hz > 700 Hz: raise the XO | + |
| Beyma CD-2514Fe/PK | 800 +100 | 600 -100 | 20000 = | 63.5 +0.5 | 109 -1 | close | min crossover 800 Hz > 700 Hz: raise the XO | + |
| Beyma CD-2514Nd/PT | 800 +100 | 600 -100 | 20000 = | 63.5 +0.5 | 109 -1 | close | min crossover 800 Hz > 700 Hz: raise the XO | + |
| Beyma CP/755/ND | 800 +100 | 600 -100 | 20000 = | 72.4 +9.4 | 110 = | close | 60 W vs 90 W: lower power handling · min crossover 800 Hz > 700 Hz: raise the XO | + |
| Beyma CP/755/TI | 800 +100 | 600 -100 | 20000 = | 72.4 +9.4 | 110 = | close | 70 W vs 90 W: lower power handling · min crossover 800 Hz > 700 Hz: raise the XO | + |
| Oberton D3673 | 800 +100 | 800 +100 | 20000 = | 72 +9 | 110.5 +0.5 | usable | min crossover 800 Hz > 700 Hz: raise the XO | + |
Compare the closest 3 against the ND640 →
Ranked on parameter similarity only (crossover floor, range, sensitivity, voice coil). Same throat exit required. A hint, not a simulation, model the swap before cutting or buying.
Used in enclosures (0)
No enclosure in the catalog uses this driver yet.