Altec ER-10
Thiele-Small parameters
| Nominal size | 10" |
|---|---|
| Impedance | 8 Ω |
| Fs | 75 Hz |
| Qts | 0.289 |
| Qes | 0.32 |
| Qms | 3 |
| Vas | 29.9 L |
| Sd | 348.4 cm² |
| Xmax | 2.5 mm |
| Re | 6.5 Ω |
| Bl | 15.7 T·m |
| Mms | 25.6 g |
| Pe | 200 W |
| Sensitivity | 98.8 dB |
Alignment hint
| EBP | 234 · ported |
|---|---|
| Sealed Vb (Qtc ≈ 0.71) | ≈ 6 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 |
|---|---|---|---|---|---|---|---|---|
| B&C 250 AMX | 66 -9 | 0.284 -0.01 | 30 +0.1 | 2.4 -0.1 | 98.4 -0.4 | close | Xmax 2.4 mm < 2.5 mm: lower excursion-limited SPL | + |
| RCF CX 10g251 | 72 -3 | 0.283 -0.01 | 33 +3.1 | 3.8 +1.3 | 100 +1.2 | close | + | |
| Ciare PW256 | 69 -6 | 0.255 -0.03 | 30 +0.1 | 2.5 = | 99.5 +0.7 | close | + | |
| JBL 2123H | 75 = | 0.27 -0.02 | 25 -4.9 | 2.5 = | 97.4 -1.4 | close | 6 Ω vs 8 Ω: amp load changes · 125 W vs 200 W: lower power handling | + |
| P.Audio SN10-300MBF | 62 -13 | 0.283 -0.01 | 30 +0.1 | 2.5 = | 97.2 -1.6 | close | + | |
| B&C 10MBX64 | 65 -10 | 0.3 +0.01 | 30 +0.1 | 4 +1.5 | 100 +1.2 | close | 16 Ω vs 8 Ω: amp load changes | + |
| Faital PRO 10HX240 | 65 -10 | 0.275 -0.01 | 31.8 +1.9 | 3.5 +1 | 98.4 -0.4 | close | + | |
| 18 Sound 10NMB420 vp | 67.3 -7.7 | 0.272 -0.02 | 33 +3.1 | 4 +1.5 | 99.2 +0.4 | close | + | |
| Oberton 10M250 | 76.65 +1.65 | 0.28 -0.01 | 23.05 -6.85 | 2.75 +0.25 | 97 -1.8 | close | + | |
| Fane STUDIO 10M | 73 -2 | 0.34 +0.05 | 27.2 -2.7 | 3.1 +0.6 | 97.9 -0.9 | close | + |
Compare the closest 3 against the ER-10 →
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.