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Related Manuals for Directed Audio 250d
Summary of Contents for Directed Audio 250d
- Page 1 OWNER’S MANUAL Model 250d...
- Page 2 DEI dealer. Amplifiers not installed by an authorized Directed dealer are covered are covered by a one year parts-and-labor limited warranty. Please save your sales receipt and refer to the warranty section of this manual for complete details. © 1999 Directed Electronics, Inc...
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Page 3: Table Of Contents
© 1999 Directed Electronics, Inc They may also impair a driver’s ability to hear traffic sounds or emergency vehi- cles. Use common sense and practice safe listening habits when listening to or... -
Page 4: Installation Guidelines
8. This amplifier is designed to drive a speaker load that measures from 2- 4 ohms. Keep in mind that heat is the long-term enemy of automotive electronics and that the lower your speaker load, the more heat © 1999 Directed Electronics, Inc... - Page 5 (surface area is what counts); soldering the terminals after crimping is also recommended. © 1999 Directed Electronics, Inc 10. Due to the high-frequency MOSFET switching power supply used in all Directed Audio amplifiers, filtering the power cable is not generally required (remember that the amp can’t deliver full output if the power...
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Page 6: Amplifier Connections
If the fuse(s) blows, check your system for wiring problems or see your dealer. 5. SUBWOOFER OUTPUT TERMINALS - connect the speakers to these terminals. Refer to the speaker wiring diagrams (pg. 6) for different wiring options. © 1999 Directed Electronics, Inc... -
Page 7: Amplifier Controls
The signal is inverted with the switch set to 180. FIGURE 2—AMPLIFIER CONTROLS © 1999 Directed Electronics, Inc 5. CROSSOVER FREQUENCY - controls the frequency range of the ampli- fier. 6. BASS EQ - This switch activates an 8 dB bass boost circuit. -
Page 8: Speaker Wiring Diagrams
Single subwoofer connection Speaker nominal impedance must be at least 2 ohm. Amplifier parallels the speaker terminals internally. Two subwoofer connection Parallel speaker nominal impedance must be at least 2 ohm. Amplifier parallels the speaker terminals internally. © 1999 Directed Electronics, Inc... -
Page 9: Crossover Setting And Gain Adjustment
These are some guidelines to follow when fine-tuning the amplifier. • Because the 250d is only suited for subwoofer applications, the low-pass crossover is active at all times. The crossover point is adjustable to allow more precise system oper- ation. -
Page 10: Specifications
20-250 Hz +0, -1 dB 50 (typical) Low-pass 12 dB/octave variable from 30 to 250 Hz +8 dB, centered at 40Hz 20K ohms Variable from 150 mV to 8 volt 2 to 4 ohms 10 to 16 VDC © 1999 Directed Electronics, Inc... -
Page 11: Limited Two-Year Consumer Warranty
ALL WARRANTIES INCLUDING BUT NOT LIMITED TO EXPRESS WARRANTY, IMPLIED WARRANTY, WARRANTY OF MERCHANTABILITY, FITNESS FOR PARTIC- © 1999 Directed Electronics, Inc ULAR PURPOSE, AND WARRANTY OF NON-INFRINGEMENT OF INTELLECTUAL PROPERTY ARE EXPRESSLY EXCLUDED TO THE MAXIMUM EXTENT ALLOWED BY... - Page 12 POWER CAPACITORS • GOLD-PLATED POWER DISTRIBUTION AND FUSING BLOCKS • GOLD-PLATED POWER AND SPEAKER TERMINALS Always use a © 1999 Directed Electronics, Inc • Vista, CA 92083 • All Rights Reserved ® DEI is a proud member of G45012 9/99...
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