Jensen 840 ユーザーズマニュアル

                    PowerPlus Amplifiers

3

Features and Specifications

Your new PowerPlus Jensen mobile stereo power amplifier is the amplifier of 
choice for the high demands of auto sound reproduction. With its deep-bass 
reproduction and plenty of reserve power, low harmonic distortion and neutral 
reproduction, the PowerPlus series of amplifiers takes Mobile Hi-Fi to new 
heights. Like all Jensen products, when it comes to accurate sound 
reproduction the PowerPlus series takes a back seat to no one. Jensen will 
bring your Hi-Fi experience to new heights with the following features:

• Low profile Aluminum extruded heat sink
• Pass-Thru RCA's
• Variable Bass EQ 0 - 12dB @ 45Hz
• 12dB / octave Low Pass and High Pass filters
• Variable Input Level 400mV - 5V
• Encapsulated power and speaker connectors
• Short circuit, DC-offset and Thermal Overload protection circuitry
• Blue illuminated VU level meter(s)
• Diagnostic LED's - Green: Power, Red: Standby / Fault

PowerPlus 420 / 840 / 1304

• Low Pass filter 40 - 240Hz
• High Pass filter 40 - 400Hz
• High Pass/Low Pass/Full Range selector switch
• Stereo/Mono Mode switch (PowerPlus 420)
• 2/3/4 Channel Mode switch (PowerPlus 840 and 1304)

PowerPlus 1302

• Low Pass filter 50 - 250Hz
• High Pass filter 40 - 500Hz
• High Pass / Low Pass / Full Range selector switch
• Stereo/Mono Mode switch 
• Remote Input Level Control w/ 5 meter interface cable

PowerPlus 900 / 1150

• Mono subwoofer amp
• Low Pass filter 40 - 250Hz
• Subsonic filter 10 - 40Hz, 12dB / octave
• Remote Input Level Control w/ 5 meter interface cable

PowerPlus 420 / 840 / 1302 / 1304

• Load Impedance: 2-4ohm

• Signal to Noise @ 1 kHz: >100dB (rated power)
• Channel Separation @ 1 kHz: >60dB
• Frequency Response: 5-60 kHz, -3dB
• Input Impedance: 20 kHz, nominal
• THD+N @ 5 watts: 0.02%, 1 kHz, 14.4VDC 

PowerPlus 900 / 1150

• Signal to Noise @ 125Hz: >100dB (rated power)
• Channel Separation not applicable
• THD+N @ 5 watts: 0.02%, 125Hz, 14.4VDC 

RMS Power Output @ 2% THD+N, 1kHz, 14.4VDC

PowerPlus 420

• 75 x 2 Watts, 4-ohm
• 110 x 2 Watts, 2-ohm
• 210 x 1 Watts, 4-ohm Bridged

PowerPlus 840

• 75 x 4 Watts, 4-ohm
• 110 x 4 Watts, 2-ohm
• 210 x 2 Watts, 4-ohm Bridged Stereo

PowerPlus 900

• 275 x 1 Watts, 4-ohm
• 450 x 1 Watts, 2-ohm

PowerPlus 1302

• 195 x 2 Watts, 4-ohm
• 320 x 2 Watts, 2-ohm
• 650 x 1 Watts, 4-ohm Bridged

PowerPlus 1304

• 125 x 4 Watts, 4-ohm
• 160 x 4 Watts, 2-ohm
• 325 x 2 Watts, 4-ohm Bridged Stereo

PowerPlus 1150

• 350 x 1 Watts, 4-ohm
• 575 x 1 Watts, 2-ohm