Do you think this is too much for 12'" L7's?
12-31-2001, 03:13 AM
#1
Senior Member
Thread Starter
Join Date: Aug 2001
Posts: 883
Need advice on amp.
I'm getting 2 12" L7's. I think the max power is 750 watts a piece? Do you think this amp will blow them? I am going to get this amp but I don't want it to blow the subs. I will be bridging it to 2x channel, here is the amp...
Stealth Series Amplifiers (Patent Pending)
Patent Pending Chrome Finish
Flush Mount Design Heat Sink
Full Mosfet Amplifier
Stiffly Regulated Power Supply
0-18 dB Variable Bass EQ
Fully Adjustable Crossovers
18 dB Slope Variable
Adjustable Line Outputs
4 AWG Gold Plated Molded Connectors
Maxi Fuse
Model: XS-1500.1 -Autotek- Stealth series
Output Power Rating: 450Wx1
Number of Channels: 1
4 Ohm at 12V, RMS at 1KHz: 440Wx1
4 Ohm at 13.8V: 450Wx1
4 Ohm at 14.4V: 460Wx1
2 Ohm at 12V: 890Wx1
2 Ohm at 13.8V: 900Wx1
2 Ohm at 14.4V: 900Wx1
1 ohm at 12V: 1480Wx1
1 ohm at 13.8V: 1500x1
1 ohm at 14.4V: 1500x1
Stable at: 1 Ohm
Maximum Current Draw: 118A
Fuse Rating: 80A
Power Supply: Full PWM
Output Power Circuit Configuration: Mosfet
Soft Start Sound
Frequency Response-3dB: 15Hz ~ 250Hz
Damping Factor: >180
S/N Ratio (A-weight): >60dB
THD: <0.4%
Channel Separation: N/A
Input Gain Control: 200mV ~ 6.0V
Input Impedance: 22KOhms
LED Indicator (PW/Blue, PT/Red, Overload)
Protection (Short, Thermal, Overload)
Crossover Switch:
Variable Low-Pass: 35Hz ~ 350Hz, 24dB/Octave
Subsonic Filter: 10-150Hz, 24db/Octave
Bass Boost at Low Pass(42Hz) 0dB ~ 18dB
Unbalanced Input (RCA Jack)
Preamp outputs
Phone jack for remote control
Remote Gain Module Included
Dimensions in inches(LxWxH): 19.5 X 10.5 X 2.3
Stealth Series Amplifiers (Patent Pending)
Patent Pending Chrome Finish
Flush Mount Design Heat Sink
Full Mosfet Amplifier
Stiffly Regulated Power Supply
0-18 dB Variable Bass EQ
Fully Adjustable Crossovers
18 dB Slope Variable
Adjustable Line Outputs
4 AWG Gold Plated Molded Connectors
Maxi Fuse
Model: XS-1500.1 -Autotek- Stealth series
Output Power Rating: 450Wx1
Number of Channels: 1
4 Ohm at 12V, RMS at 1KHz: 440Wx1
4 Ohm at 13.8V: 450Wx1
4 Ohm at 14.4V: 460Wx1
2 Ohm at 12V: 890Wx1
2 Ohm at 13.8V: 900Wx1
2 Ohm at 14.4V: 900Wx1
1 ohm at 12V: 1480Wx1
1 ohm at 13.8V: 1500x1
1 ohm at 14.4V: 1500x1
Stable at: 1 Ohm
Maximum Current Draw: 118A
Fuse Rating: 80A
Power Supply: Full PWM
Output Power Circuit Configuration: Mosfet
Soft Start Sound
Frequency Response-3dB: 15Hz ~ 250Hz
Damping Factor: >180
S/N Ratio (A-weight): >60dB
THD: <0.4%
Channel Separation: N/A
Input Gain Control: 200mV ~ 6.0V
Input Impedance: 22KOhms
LED Indicator (PW/Blue, PT/Red, Overload)
Protection (Short, Thermal, Overload)
Crossover Switch:
Variable Low-Pass: 35Hz ~ 350Hz, 24dB/Octave
Subsonic Filter: 10-150Hz, 24db/Octave
Bass Boost at Low Pass(42Hz) 0dB ~ 18dB
Unbalanced Input (RCA Jack)
Preamp outputs
Phone jack for remote control
Remote Gain Module Included
Dimensions in inches(LxWxH): 19.5 X 10.5 X 2.3
01-03-2002, 05:54 PM
#3
Senior Member
Join Date: Jan 2001
Posts: 2,308
Originally posted by jmax
The numbers don't add up.
12V X 118 A = 1416 watts at 100% efficiency. Yet they claim 1480 watts. No man made device is 100% efficient. Good class D amps are only 70-80 % efficient.
The numbers don't add up.
12V X 118 A = 1416 watts at 100% efficiency. Yet they claim 1480 watts. No man made device is 100% efficient. Good class D amps are only 70-80 % efficient.
