PHL Audio 7091
Thiele-Small parameters
| Nominal size | 18" |
|---|---|
| Impedance | 8 Ω |
| Fs | 34 Hz |
| Qts | 0.297 |
| Qes | 0.32 |
| Qms | 4.1 |
| Vas | 260 L |
| Sd | 1280 cm² |
| Xmax | 5.6 mm |
| Re | 5.6 Ω |
| Bl | 26.9 T·m |
| Mms | 193.6 g |
| Pe | 500 W |
| Sensitivity | 98.6 dB |
Alignment hint
| EBP | 106 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 55.7 L |
EBP > 100: favours a ported (bass-reflex) alignment.
Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.
Substitute candidates
| Driver | Fs (Hz) | Qts | Vas (L) | Xmax (mm) | Sens (dB) | Fit | Notes | Compare |
|---|---|---|---|---|---|---|---|---|
| PHL Audio 7090 v2012 | 34 = | 0.297 = | 260 = | 7.9 +2.3 | 98.6 = | close | + | |
| Celestion FTR18-4080F v2016 | 32.7 -1.3 | 0.302 +0.01 | 272 +12 | 6 +0.4 | 98.5 -0.1 | close | + | |
| B&C 18 PZB 100 (prodance) | 33.7 -0.3 | 0.289 -0.01 | 263 +3 | 7.6 +2 | 99 +0.4 | close | + | |
| PHL Audio 7010 | 35 +1 | 0.288 -0.01 | 260 = | 7.7 +2.1 | 99.1 +0.5 | close | + | |
| PHL Audio 7070 | 35 +1 | 0.288 -0.01 | 260 = | 7.7 +2.1 | 99.1 +0.5 | close | + | |
| RCF LF 18G401 | 33 -1 | 0.289 -0.01 | 268 +8 | 8.2 +2.6 | 99.3 +0.7 | close | + | |
| RCF LF18G401 | 33 -1 | 0.29 -0.01 | 268 +8 | 9 +3.4 | 98 -0.6 | close | + | |
| RCF LF18G908 | 33 -1 | 0.29 -0.01 | 268 +8 | 9 +3.4 | 98 -0.6 | close | + | |
| Faital PRO 18FX600 | 32 -2 | 0.3 = | 257.3 -2.7 | 11.25 +5.65 | 99 +0.4 | close | + | |
| Mercuriale PAR 465 M0 | 35 +1 | 0.265 -0.03 | 251 -9 | 6 +0.4 | 98.5 -0.1 | close | + |
Compare the closest 3 against the 7091 →
Ranked on parameter similarity only (Qts, Fs, Vas, Xmax, sensitivity). Same nominal size 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.