Hifionics HFI100.2 User Manual download pdf (Page 4)

AMPLIFIER FEATURE DESCRIPTIONS

HFi AMPLIFIERS:

! Each model is capable of 4 & 2-Ohms stereo per channel, or 4-Ohms mono bridged operation ! All Hifonics amplifiers feature a comprehensive diagnostic system, with speaker lead short circuit,

and amplifier DC faults indicated by the red “PROTECT” LED.

except the mono amps which are capable of 4, 2 and 1-Ohm loads.

CAUTION: DO NOT OPERATE ANY AMPLIFIER BELOW THE INTENDED IMPEDANCE. YOU

Tri-Mode operation with any stereo pair of amplifier channels is possible, as with all bridgeable

WILL CAUSE DAMAGE TO THE AMPLIFIER THAT WILL NOT BE COVERED UNDER THE

amplifiers.

! The input sensitivities for rated output powers are variable from 0.2 volts to 6 volts.

WARRANTY PRINTED IN THE BACK OF THE MANUAL. 2 & 4 Channel amps are capable of 4

! All crossovers are fully variable in their respective ranges.

and 2-Ohms wired stereo and 4-Ohms wired mono bridged. The mono amps are capable of 4, 2

! Crossover filters are 12dB/Octave.

and 1-Ohm.

! A POWER LED indicates the powered up and turned on condition.

-The LINE INPUT signal is routed directly to the LINE OUT RCA jacks, regardless of the X-OVER

setting simplifying daisy chaining of amplifiers.

-SUBSONIC: Allows you to adjust the crossover filter from 15Hz to 35Hz.

-LPF: Allows yo to adjust the LOW PASS crossover filter from 30Hz to 250Hz.

LEVEL: Adjusts the input sensitivity from 0.2 volts to 6 volts.

BASS EQ: The Bass EQ is adjustable from 0db to 10dB.

REMOTE: This is the input jack for the remote Level control.

LINE INPUT: The line input accepts unbalanced (RCA) inputs from 0.2V to 6V.

LINE OUTPUT: The line output passes through signal from the line inputs which allows you to daisy

chain multiple amplifiers from one signal.

The mono amps are capable of 4, 2 & 1-Ohm loads.

Operating the amp below 1-Ohm can cause damage to the

amp not covered in the warranty.

HFi1000D / HFi1500D / HFi2000D / HFi2500D MONO BLOCK AMPLIFIERS

OUTPUT INPUT

L L

R R

POWER

PROTECT

6V 0.2V 0dB 10dB 15Hz 35Hz 30Hz 250Hz

LEVEL BASS EQ REMOTE SUBSONIC LOW PASS

The 4 channel amps have the same features as the 2 channel models accept that there are 2 sets of

controls.

1 set for channels 1 & 2 and 1 set for channels 3 & 4.

In addition, the 4 channel models have a Mode switch which allows you to select 2, 3 or 4 channel

operation. Switch to 2 channel if you only have 1 set of RCA’s in CH 1/2 and the unit will automatically

supply signal to channels 3/4. Select 3 channel when you only have RCA’s in CH 1/2 but plan to run

channels 3/4 bridged. Select 4 channel if you are providing RCA’s to channels 1/2 and 3/4.

The X-OVER slide switch selects the internal crossover functions:

-The input signal is routed directly to the LINE OUT RCA jacks, regardless of the X-OVER setting

simplifying daisy chaining of amplifiers.

-HPF: Selects the built in HIGH PASS filter, variable from 60 Hz to 12kHz.

-FULL: Bypasses all crossovers for full frequency range operation.

-LPF: Selects the built in LOW PASS , variable from 30 Hz to 250Hz.

MODE: The mode switch allows you to choose Stereo for full range 2 channel operation or MONO

for bridging operation

HIGH INPUT: If your radio/CD player does not have unbalanced (RCA) outputs, you can use the

HIGH level (wire) inputs.

LINE INPUT: The line input accepts unbalanced (RCA) inputs from 0.2V to 6V.

LINE OUTPUT: The line output passes through signal from the line inputs which allows you to daisy

chain multiple amplifiers from one signal.

Note that the LOW PASS signal is MONO.

-In the LPF position, the HIGH PASS filter acts as a subsonic

filter.

-When the LPF mode is selected, a 0 to +12dB, at 45Hz, BASS

-EQ is also switched in.

HFi55.4 / HFi100.4 4-CHANNEL AMPLIFIERS

LINE OUTCH3/4 CH1/2

L L

R R

6V 0.2V 0dB 12dB FULL LPF HPF 60Hz 12KHz 30Hz 250Hz

LEVEL BASS EQ X-OVER HPF LPF

6V 0.2V 0dB 12dB FULL LPF HPF 60Hz 12KHz 30Hz 250Hz 2 3 4

LEVEL BASS EQ X-OVER HPF LPF MODE

POWER

PROTECT

The X-OVER slide switch selects the internal crossover functions:

-The input signal is routed directly to the LINE OUT RCA jacks, regardless of the X-OVER setting

simplifying daisy chaining of amplifiers.

-HPF: Selects the built in HIGH PASS filter, variable from 60 Hz to 12kHz.

-FULL: Bypasses all crossovers for full frequency range operation.

-LPF: Selects the built in LOW PASS , variable from 30 Hz to 250Hz.

MODE: The mode switch allows you to choose Stereo for full range 2 channel operation or MONO

for bridging operation

HIGH INPUT: If your radio/CD player does not have unbalanced (RCA) outputs, you can use the

HIGH level (wire) inputs.

LINE INPUT: The line input accepts unbalanced (RCA) inputs from 0.2V to 6V.

LINE OUTPUT: The line output passes through signal from the line inputs which allows you to daisy

chain multiple amplifiers from one signal.

Note that the LOW PASS signal is MONO.

-In the LPF position, the HIGH PASS filter acts as a subsonic

filter.

-When the LPF mode is selected, a 0 to +12dB, at 45Hz, BASS

-EQ is also switched in.

HFi100.2 2-CHANNEL AMPLIFIERS

OUTPUT INPUT

L L

R R

6V 0.2V 0dB 12dB FULL LPF HPF 60Hz 12KHz 30Hz 250Hz MONO STEREO

LEVEL BASS EQ X-OVER HPF LPF MODE

POWER

PROTECT

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Hifionics HFI100.2 User Manual Page 4

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