This is the system i was running in my e39, located @ 92129.
Image Dynamics IDQ-12
Custom 1.6 ft^3 Sealed Box
Box dimentions:
Bottom Depth: 10"
Top Depth: 5"
Width: 32"
Hight: 16"
Internal Volume: 1.6 cubic feet
Driver Properties:
Image Dynamics IDQ12-20SVC
IMP: 4ohms
Re: 3.9
Fs: 19Hz
Qes: .30
Qms: 3.50
Qts: .28
Vas: 220l
Xmax: 9.5mm
Sd: 530 cm^2
Sensitivity: 91.8db
Rms Power: 300w
Peek Power: 700w
Price: $185 + actual shipping costs
Kenwood KAC-8103D
Class D Monoblock Amplifier
RMS Power Output at 4 Ohms (Watts x Channels): 300 x 1
RMS Power at 2 Ohms (Watts x Channels): 500 x 1
Peak Power Output (Watts x Channels): 1000 x 1
2 ohm stable
Frequency Response: 5-20 Hz
THD at Rated RMS Power: 1%
Signal to Noise Ratio: 85 dB
Class D Amplifier
Low-Pass Crossover Frequency: 50-200 Hz
Low-Pass Slope (dB/octave): -24 dB
Bass Boost: 0-18 dB
Bass Boost Frequency: 40 Hz
Infrasonic Filter: 15 Hz, 25 Hz, 18 dB/Octave
Preamp Outputs: 1 pair
Preamp Inputs: 1 pair
Variable Input Sensitivity: 200 mV - 5 V
LED Power Indicator: Yes
Fan Cooled: Yes
Fuse Rating: 40 x 1
Width: 11-11/16 inches
Height: 2-1/2
Depth: 12-7/16
Price: $110 + actual shipping costs
Image Dynamics IDQ-12
Custom 1.6 ft^3 Sealed Box
Box dimentions:
Bottom Depth: 10"
Top Depth: 5"
Width: 32"
Hight: 16"
Internal Volume: 1.6 cubic feet
Driver Properties:
Image Dynamics IDQ12-20SVC
IMP: 4ohms
Re: 3.9
Fs: 19Hz
Qes: .30
Qms: 3.50
Qts: .28
Vas: 220l
Xmax: 9.5mm
Sd: 530 cm^2
Sensitivity: 91.8db
Rms Power: 300w
Peek Power: 700w
Price: $185 + actual shipping costs
Kenwood KAC-8103D
Class D Monoblock Amplifier
RMS Power Output at 4 Ohms (Watts x Channels): 300 x 1
RMS Power at 2 Ohms (Watts x Channels): 500 x 1
Peak Power Output (Watts x Channels): 1000 x 1
2 ohm stable
Frequency Response: 5-20 Hz
THD at Rated RMS Power: 1%
Signal to Noise Ratio: 85 dB
Class D Amplifier
Low-Pass Crossover Frequency: 50-200 Hz
Low-Pass Slope (dB/octave): -24 dB
Bass Boost: 0-18 dB
Bass Boost Frequency: 40 Hz
Infrasonic Filter: 15 Hz, 25 Hz, 18 dB/Octave
Preamp Outputs: 1 pair
Preamp Inputs: 1 pair
Variable Input Sensitivity: 200 mV - 5 V
LED Power Indicator: Yes
Fan Cooled: Yes
Fuse Rating: 40 x 1
Width: 11-11/16 inches
Height: 2-1/2
Depth: 12-7/16
Price: $110 + actual shipping costs