Manufacturer: Speco Technologies
Product: 8" In-Ceiling Speaker Assembly
Model: SPG86T
Speaker Size: 8" Full Range
Transformer: 70V/25V (Taps likely 5W, 2.5W, 1W, 0.5W, 0.25W - verify)
Power Rating: 10W RMS / 15W Max
Frequency Response: 90Hz - 20kHz
Sensitivity: 91dB (1W/1M)
Impedance: 8 Ohm (Transformer Bypass)
Includes: Speaker, Transformer, White Metal Grille