Focal FDP 1.900V2 Manual

Focal Modtager FDP 1.900V2

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Side 1/8

POWER PER CHANNEL

• 1 x 500w RMS into 4 ohms @ 1% THD

• 1 x 850w RMS into 2 ohms @ 1% THD

• 1 x 500w RMS into 1 ohm @ 1% THD

• 1 x 1700w RMS (Two FDP 1.900 V2s Bridged into 4 ohms) @ 1% THD

All power ratings are at 14.4v DC.

INPUT/OUTPUT CONFIGURATIONS

Because this is a one channel ampliﬁer, if both left and right inputs are used, they are mixed to mono, which is useful

for subwoofers.

CROSSOVER CONFIGURATION

• The 24 dB per octave crossover can be adjusted for subwoofers or midbass in 3-way kits.

• The Band Pass crossover has high pass between 10Hz - 48 Hz, and low pass between 40Hz - 350Hz.

• The remote volume control is always active.

There is a clip distortion light on the remote volume control.

If you see this light on, reduce volume until the light goes out so that you do not damage your speaker.

• Phase is continuously adjustable between 0 degrees and 180 degrees. Adjust by measuring frequency response

at the crossover frequency. Frequency response should be as smooth as possible.

• 40 Hz EQ is adjustable between 0dB and +6dB.

Measure the subwoofer frequency response and adjust EQ to get the smoothest frequency response.

Avoid excess EQ boost because this will make the subwoofer sound “muddy” and cause the amplifier have clip

distortion prematurely.

AUTOMATIC POWER TURN ON/OFF

1. The best way to automatically turn the amplifier power on and off is to use the REM wire from your source radio

connected to the REM amplifier terminal.

2. If your original equipment stereo or source radio has a BTL amplifier then the RCA inputs have an auto turn

on sensing circuit. When you connect the high level BTL speaker wires to the RCA input the REM wire is not

necessary.

RCA INPUT, BOTH LOW LEVEL AND HIGH LEVEL

• The amplifier control has sufficient adjustment range for both low level and high level input into the RCA LEVEL

jacks. A factory source radio that does not have RCA output, using the wires that are connected to the speakers,

can be directly connected to the RCA jacks when the amplifier control is adjusted to 8V.LEVEL

FDP 1.900 V2: ONE CHANNEL AMPLIFIER

OPERATION / CONFIGURATION MANUAL

SETTING LEVEL

• The best way to set system levels is to use a D’Amore Engineering DD-1 and test signals.

Follow their gain overlap instructions.

• Set the amplifier control to minimum before you turn on the amplifier for the first time.LEVEL

• For lowest distortion and lowest noise the ampliﬁer should be set at the lowest setting that yields LEVEL

sufﬁcient loudness without distortion. For lowest noise your source radio volume control should be near

maximum that does cause distortion.NOT

• To ﬁnd the best ampliﬁer setting if you are NOT using a DD-1: LEVEL

1) With the ampliﬁer at minimum, slowly increase the source radio volume until you hear distortion. Then LEVEL

turn it down to until the distortion stops.

2) Next, slowly turn up the ampliﬁer control to the maximum desired loudness, or until the red LED LEVEL

light ﬂashes on the music’s ocassional peaks. (The LED turns on when there is distortion that can damage your

speakers.) Listen very carefully and turn down the ampliﬁer control if you hear any distortion.LEVEL

SETTING SUBWOOFER HIGH PASS SUBSONIC FILTER

• A subwoofer should have a high pass filter often called a subsonic filter. The purpose of a subsonic filter is to

limit very low frequencies that your subwoofer can not play loud enough without damage. Removing subsonic

frequencies can allow your subwoofer to play louder.

• For a sealed box the high pass is typically set between 10 Hz and 30 Hz to increase power handling capacity.

• For a vented box the high pass ﬁlter must be set 5 Hz lower than the port tune frequency to prevent woofer

damage.

2 OHM SUBWOOFER POWER RECOMMENDATION

• If you use two 2ohm subwoofers, your total power is 500 Watts (only 250 Watts per woofer).

If you use two FDP 1.900 V2 amplifiers - one on each 2ohm woofer, your total power will be 1700 Watts (850 +

850), or 5 decibles louder.

Produkt Specifikationer

Mærke:	Focal
Kategori:	Modtager
Model:	FDP 1.900V2

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