Manufacturer: Speco Technologies
Product: 6.5" In-Ceiling Speaker Assembly
Model: SPG66T
Speaker Size: 6.5" Full Range (Paper Cone)
Transformer: 70V/25V (Taps likely 5W, 2.5W, 1W, 0.5W, 0.25W - verify)
Power Rating: 10W RMS / 15W Max
Frequency Response: 120Hz - 20kHz
Sensitivity: 91dB (1W/1M)
Impedance: 8 Ohm (Transformer Bypass)
Includes: Speaker, Transformer, White Metal Grille