Beyma 15GT200 v1
Thiele-Small parameters
| Nominal size | 15" |
|---|---|
| Impedance | 8 Ω |
| Fs | 30.4 Hz |
| Qts | 0.223 |
| Qes | 0.23 |
| Qms | 7.22 |
| Vas | 270 L |
| Sd | 860 cm² |
| Xmax | 5.5 mm |
| Re | 6 Ω |
| Bl | 22.9 T·m |
| Mms | 105.2 g |
| Pe | 250 W |
| Sensitivity | 98.4 dB |
Alignment hint
| EBP | 132 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 29.8 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 |
|---|---|---|---|---|---|---|---|---|
| Beyma 15GT200 v2 | 31 +0.6 | 0.218 -0.01 | 270 = | 5.4 -0.1 | 98.8 +0.4 | close | Xmax 5.4 mm < 5.5 mm: lower excursion-limited SPL | + |
| Beyma 15BR400 | 30 -0.4 | 0.236 +0.01 | 274 +4 | 6 +0.5 | 98.3 -0.1 | close | + | |
| RCF L 15/541 | 30.9 +0.5 | 0.236 +0.01 | 300 +30 | 5.6 +0.1 | 98.1 -0.3 | close | + | |
| RCF L 15P200 | 30 -0.4 | 0.23 +0.01 | 245 -25 | 5.9 +0.4 | 97.3 -1.1 | close | + | |
| Beyma SM115/K vp2 | 29.8 -0.6 | 0.228 +0.01 | 291 +21 | 8 +2.5 | 99 +0.6 | close | + | |
| PD PD 1550 | 31 +0.6 | 0.212 -0.01 | 242 -28 | 7.4 +1.9 | 98.1 -0.3 | close | + | |
| Precision Devices PD 1550 | 31 +0.6 | 0.212 -0.01 | 242 -28 | 7.4 +1.9 | 98.1 -0.3 | close | + | |
| Beyma SM115/K vp1 | 27.6 -2.8 | 0.222 = | 296.7 +26.7 | 8 +2.5 | 98.3 -0.1 | close | + | |
| Dayton Audio PA380-8 | 28.3 -2.1 | 0.225 = | 250.5 -19.5 | 5 -0.5 | 97.3 -1.1 | close | Xmax 5 mm < 5.5 mm: lower excursion-limited SPL | + |
| 18 Sound 15W930 | 33 +2.6 | 0.22 = | 240 -30 | 7.5 +2 | 98 -0.4 | close | + |
Compare the closest 3 against the 15GT200 v1 →
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.