250 Watt Subwoofer Amp
Build your own M & K VX-1250 SubWoofer
Miller and Kreisel is no longer in business. Apex Jr has obtained the some of the amplifiers for the popular VX-1250 subwoofer system. Here is your chance to create your own version of a world class sub that origionally retailed for $899.00. This is a once in a life time opportunity.
Specifications: Measured power output: 180 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 • Enclosure cut out: 9" W x 9-1/4" H
| 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 |
| $119.95 ea. |
Here is a link to the user manual to the M & K VX-1250 subwoofer using this amp. Here is a link to the spec sheet for the VX-1250.
ApexJr has also obtained a small quanity of the 12" drivers used in the VX-1250 subwoofer. This high quality 12"magnetically shielded sub driver is designed for a 3.25ft3 sealed cabinet. Specs are as follows: Power Handling is 250 watts RMS. Nominal Impedance is 8 ohms. $89.00 ea.
| Revc = 7.4440 ohms | Fs = 33.57 Hz. | |
| Zmax = 223.52 ohms | Ro = 40.408 ohms | |
| F0 = 27.861 ohms | F1 = 40.118 ohms | |
| Fmin = 124.205 Hz | Qts = 0.5003 | |
| Le = 1.8035 mH ( at 1 kHz ) | Qms = 14.7085 | |
| Qes = 0.5179 |
