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Date: March 28, 2008 at 10:23:49
From: Ken MacMillan, [webfilter.edu.pe.ca]
Subject: Re: Installing an amp in a passive 10" Paradigm sb-100 sub


The original woofer works. Just thought that I might have to replace it at some point since it is 10 years old. I have the documentation on the speaker.

Here are the manufacturer's specs:
Design single driver, dual voice-coil
Crossover 4th order electro/acoustic at 100Hz, frequency and phase corrected
Bass 255mm (10"), 1 1/2" voice-coil kapton former
Low Frequency Extension 36Hz(DIN)
Frequency Response 40Hz-100Hz
Sensitivity-Room/Anechoic 94dB/91dB
Suitable Amplifier Power Range 15-200 watts
Maximum Input Power 100 watts
Nominal/Minimum Impedance 8 ohms/6 ohms
Dimensions 17" x 17" x 19" (W x D x H)

I intend to leave the woofer right where it is for now. Hopefully my amp is ok for the woofer.

I have an M & K Miller Kreissel VX-1250 SubWoofer Amplifier that I am going to install as per your instructions.

Switchable Voltage Setting: 110/220 / 115/230

Specifications: 250 watts RMS into 8 ohms @ .1% THD, 272 watts into 4 ohms @ 0.2% THD •

Signal to noise ratio: 101dB (A-weighted) • Dimensions: 10-3/8" W x 10-7/16" H x 3-1/4" D •

- Auto on-off
- 0 - 180 Phase adjustment knob
- Low Pass Filter 40 - 180 Hz and Bypass knob
- Bass Level knob
- Lo and Hi level inputs
- High-Power Class AB Amplifier
- Linkwitz-Riley 2nd order shelf
- M & K Headroom Maximize Circuit (R)
- 6 Db bass boost
- Power Amplifier: 250 watt continuous all-discrete power amplifier with Crossover & powercord.
- M&KŪ Dynamic Headroom MaximizerTM circuit
- Features: Line-level and speaker level inputs and outputs
- Low Pass Filter adjustable 40-200Hz
- Low Pass Filter Bypass
- Variable Phase control
- Bass Level Control

Thanks again for the advice and the help.

later,
ken


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