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POLY-PLANAR  •  PO Box 409   •  Hanover, MD 21076

Tel: (410) 761-4000 • Fax: (410) 761-6274 • www.polyplanar.com

POLY-PLANAR  •  PO Box 409   •  Hanover, MD 21076

Tel: (410) 761-4000 • Fax: (410) 761-6274 • www.polyplanar.com

ME-400 Installation Instructions

ME-400 Installation Instructions

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This amplifier can operate in one, two or three channel mode. The minimum impedance 

for  stereo  operation  is  2  ohms  per  channel.  The  minimum  impedance  for  bridged 

operation is 4 ohms. 

Connect right and left speaker wire to corresponding speaker output terminals of the 

amplifier.

Be sure to have the positive wire from the speaker connected to the positive speaker 
terminal of the amplifier.

Reversing any of these connections will result in the speaker cones moving out of phase 
which causes bass cancellation. 

See 2 channel & 4 channel Speaker wiring diagram.

Speaker Wiring

4 Speaker Stereo Mode

2 Speaker Bridge Mode

2 S 1 Subwoofer

See page 7 for Speaker Wiring Diagrams

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Summary of Contents for ME-400

Page 1: ...ts Variable input level controls for each pair of channels Variable High pass Low pass and All pass crossover Variable Bass Boost circuit Thermal and overload protection circuitry Gold plated RCA jacks and terminals Rubber isolation mounting feet ME 400 Features PLEASE READ THIS MANUAL BEFORE INSTALLATION AND USING AMPLIFIER Poly Planar products are warranted to be free of defects in materials and...

Page 2: ...lower NEVER operate the amplifier without proper power and ground wire of at least 10 gauge or lower NEVER operate the amplifier without proper fusing Fuse holder must be located with in 0 5 meters from the battery This fuse is to protect the vessel not the electronics In case of a short the fuse will blow instead of the wire burning up Using other than the recommended fuse ratings at the battery ...

Page 3: ...frequency between 40Hz to 250Hz as the crossover point 2 Set to the LP Low Pass position when the amplifier is used to drive a subwoofer The frequencies above the crossover point will be attenuated at 12dB octave Permits adjustment of the crossover frequency by rotating the knob to select any frequency between 40Hz to 250Hz as the crossover point 3 Set to the FULL position when the amplifier will ...

Page 4: ...ns Remember to complete an electrical circuit the ground connection is just as important as the positive power connection Before any power connections are made disconnect the ground cable at the battery When the power supply lead memory backup lead or ground lead are extended use a 5mm 2 AWG5 or larger automotive grade cable which will withstand friction and heat to safe grade against fires occurr...

Page 5: ...l input on the amplifier Input Connections 1 Line in RCA Jacks These inputs are for line level signals from the source Always use high quality cables and DO NOT run them along side the power or speaker wires 2 Input Level Controls Two controls for adjusting the volume of each pair of channels Channels 1 2 adjust together channels 3 4 adjust together 3 Crossover Mode Switch High Pass HP lets freque...

Page 6: ...ohms per channel The minimum impedance for bridged operation is 4 ohms Connect right and left speaker wire to corresponding speaker output terminals of the amplifier Be sure to have the positive wire from the speaker connected to the positive speaker terminal of the amplifier Reversing any of these connections will result in the speaker cones moving out of phase which causes bass cancellation See ...

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