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Altec 927-8A

15" · 8 Ω · 200 W · 95.1 dB · datasheet ↗

Thiele-Small parameters

Nominal size15"
Impedance8 Ω
Fs22.9 Hz
Qts0.278
Qes0.32
Qms2.13
Vas496.1 L
Sd847.9 cm²
Xmax8.3 mm
Re7.3 Ω
Bl17.9 T·m
Mms98.1 g
Pe200 W
Sensitivity95.1 dB

Alignment hint

EBP72 · flexible
Sealed Vb (Qtc ≈ 0.71)≈ 90.7 L

EBP 50-100: works in either a sealed or ported alignment.

Rules of thumb from T/S parameters only. Verify against a real simulation before cutting wood.

Substitute candidates

DriverFs (Hz)QtsVas (L)Xmax (mm)Sens (dB)FitNotesCompare
Audiotechnology 15F1022510KAP22 -0.90.288 +0.01410 -86.18.5 +0.294.9 -0.2close+
AE Speakers TD15X 8 Ohms23.2 +0.30.287 +0.01467 -29.17 -1.396.3 +1.2closeXmax 7 mm < 8.3 mm: lower excursion-limited SPL+
Monacor SPH-390TC 8 Ohms22 -0.90.272 -0.01531 +34.97 -1.396.1 +1close150 W vs 200 W: lower power handling · Xmax 7 mm < 8.3 mm: lower excursion-limited SPL+
Audiotechnology FLEXUNIT 15 F 102 25 10 KAP22 -0.90.29 +0.01410 -86.18.6 +0.393.5 -1.6close+
JBL 2235H20 -2.90.252 -0.03458.7 -37.48.4 +0.194.4 -0.7close+
AE Speakers TD15H21 -1.90.254 -0.02467 -29.17 -1.394.9 -0.2closeXmax 7 mm < 8.3 mm: lower excursion-limited SPL+
AE Speakers TD15H-821 -1.90.254 -0.02467 -29.17 -1.394.9 -0.2closeXmax 7 mm < 8.3 mm: lower excursion-limited SPL+
Focal 38VX22.3 -0.60.279 =347 -149.18.2 -0.196.9 +1.8close4 Ω vs 8 Ω: amp load changes · Xmax 8.2 mm < 8.3 mm: lower excursion-limited SPL+
Supravox 400-200023 +0.10.272 -0.01450 -46.15 -3.395.8 +0.7usable120 W vs 200 W: lower power handling · Xmax 5 mm < 8.3 mm: lower excursion-limited SPL+
Visaton WS40NG25 +2.10.252 -0.03500 +3.96.5 -1.897.1 +2usableXmax 6.5 mm < 8.3 mm: lower excursion-limited SPL+

Compare the closest 3 against the 927-8A →

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.