Phoenix Gold GX Series User manual

• Class D Topology

• Selectable Balanced / Unbalanced Inputs

• Surface-Mount Component Technology

• Multi-Input Selector

• Low Pass and Subsonic Crossovers (GX1200.1)

• Proprietary PG Quick Connects

• Flush Mountable Bass Knob

• Full Radiation Heat Sink

• Single-sided Control Panel

• Onboard Short/Therm/Imped Protection

• 0-180° Variable Phase Shift (GX1200.1)

Features

GX Series

Amplier Manual

Models: GX1200.6 ●GX800.4 ● GX1200.1

our proprietary PG quick connects for high current

capability and reliability while delivering uber clean

and quick installations. The chassis has been optimized

by utilizing BFD (Balanced Flow Dissipation) to keep the

amplier running cool when the music is hot.

New for 2021 is Phoenix Gold’s GX line of ampliers.

Designed to cover a multitude of installation needs,

GX is packed with the features and power you can

expect from the Phoenix Gold brand. Included in the

line are our proprietary PG quick connects for high

current capability and reliability while delivering uber

clean and quick installations. The chassis has been

optimized by utilizing BFD (Balanced Flow Dissipation)

to keep the amplier running cool when the music is hot.

Designed and Engineered in the USA

Expertly Manufactured in China

A Power Brand of AAMP Global.

15500 Lightwave Drive, Suite 202

Clearwater, Florida 33760

P: 866-788-4237

[email protected]

www.phoenixgold.com

Phoenix Gold Product Warranty

LIMITED WARRANTY ON AMPLIFIERS

Phoenix Gold warrants this product to be free of defects in materials and workmanship for a period of one (1) years

from the original date of purchase. This warranty is not transferable and applies only to the original purchaser from an

authorized Phoenix Gold dealer in the United States of America only. Should service be necessary under this warranty

for any reason due to manufacturing defect or malfunction, Phoenix Gold will (at its discretion), repair or replace the

defective product with new or remanufactured product at no charge. Damage caused by the following is not covered

under warranty: accident, misuse, abuse, product modication or neglect, failure to follow installation instructions,

unauthorized repair attempts, misrepresentations by the seller. This warranty does not cover incidental or consequential

damages and does not cover the cost of removing or reinstalling the unit(s). Cosmetic damage due to accident or

normal wear and tear is not covered under warranty. Additional warranty coverages are available, see your warranty

card for specic options based on your geographic region and product.

INTERNATIONAL WARRANTIES:

Products purchased outside the United States of America are covered only by that country’s Authorized Phoenix Gold

reseller and not by Phoenix Gold. Consumers needing service or warranty information for these products must contact

that country’s reseller for information.

Amplifier Owner’s Manual

GX1200.6 SPECIFICATIONS

IMPORTANT: A power birth certicate is included for each amplier. GX ampliers are

conservatively rated and will exceed their RMS power rating shown here.

All RMS power ratings and measurements are at 14.4 volts with no more than 1% THD.

Remote Bass Controller:

Flush mount level controller. Fine tune your bass output with a simple

turn of the precision controller. 16ft of cable included.

GX 1200.6 SPECIFICATIONS

RMS Power Ratings listed at less than 1% THD @ 14.4v

Number of Channels: 6

4Ω: CH 1-6 125W x 6

2Ω: CH 1-6 200W x 6

4Ω Bridged: 400W x 3

Total RMS Power (Sum of rated power):

1200W

Bridgeable: Yes

Crossover Control, Linkwitz-Riley: FULL/HP/LP

40Hz - 500Hz @ 12dB/Oct

Input Selection: 0.4-10V

Signal to Noise (@ CEA Standard): >100dB

Frequency Response: Full Range 10-40k

Topology Class D

Heatsink Type: Extruded Aluminum

Cooling Type: Radiation

Operating Voltage: 8V to 16V

Switchable Auto-Turn On: No

Power Supply Type: Unregulated

Power Terminal: 4 Gauge Quick Connect

Speaker Terminal: 8 Gauge Quick Connect

Recommended Fusing: 80A

Dimensions (L x W x H): 13.54” x 6.5” x 2.03”

344mm x 165mm x 51.5mm

13.54in / 344mm

2.03in / 51.5mm

6.5in / 165mm

Amplifier Owner’s Manual

GX800.4 SPECIFICATIONS

IMPORTANT: A power birth certicate is included for each amplier. GX ampliers are

conservatively rated and will exceed their RMS power rating shown here.

All RMS power ratings and measurements are at 14.4 volts with no more than 1% THD.

GX800.4 SPECIFICATIONS

RMS Power Ratings listed at less than 1% THD @ 14.4v

Number of Channels: 4

4Ω: CH 1-4 125W x 4

2Ω: CH 1-4 200w x 4

4Ω: Bridged 400w x 2

Total RMS Power

(Sum of rated power):

800W

Bridgeable: Yes

Crossover Control, Linkwitz-Riley: FULL/HP/LP

40Hz - 500Hz @ 12dB/Oct

Input Selection: 0.4-10V

Signal to Noise (@ CEA Standard): >100dB

Frequency Response: Full Range 10-40k

Topology Class D

Heatsink Type: Extruded Aluminum

Cooling Type: Radiation

Operating Voltage: 8V to 16V

Switchable Auto-Turn On: No

Power Supply Type: Unregulated

Power Terminal: 4 Gauge Quick Connect

Speaker Terminal: 8 Gauge Quick Connect

Recommended Fusing: 60A

Dimensions (L x W x H): 11.57” x 6.5” x 2.03”

294mm x 165mm x 51.5mm

Remote Bass Controller:

Flush mount level controller. Fine tune your bass output with a simple

turn of the precision controller. 16ft of cable included.

11.57in / 294mm

2.03in / 51.5mm

6.5in / 165mm

Amplifier Owner’s Manual

IMPORTANT: A power birth certicate is included for each amplier. GX ampliers are

conservatively rated and will exceed their RMS power rating shown here.

All RMS power ratings and measurements are at 14.4 volts with no more than 1% THD.

IMPORTANT: A power birth certicate is included for each amplier. GX ampliers are

conservatively rated and will exceed their RMS power rating shown here.

All RMS power ratings and measurements are at 14.4 volts with no more than 1% THD.

GX1200.1 SPECIFICATIONS

RMS Power Ratings listed at less than 1% THD @ 14.4v

Number of Channels: 1

1Ω: CH 1 1200W x 1

2Ω: CH 1 800W x 1

4Ω: CH 1 500W x 1

Total RMS Power

(Sum of rated power):

1200W

Bridgeable: N/A

Crossover Control, Linkwitz-Riley: LP

50Hz - 250Hz @ 24dB/Oct

Input Selection: 0.4-10V

Signal to Noise (@ CEA Standard): >100dB

Frequency Response: Sub 15-250Hz

Topology Class D

Heatsink Type: Extruded Aluminum

Cooling Type: Radiation

Operating Voltage: 8V to 16V

Switchable Auto-Turn On: No

Power Supply Type: Unregulated

Power Terminal: 4 Gauge Quick Connect

Speaker Terminal: 8-12 Gauge Quick Connect

Recommended Fusing: 80A

Dimensions (L x W x H): 11.57” x 6.5” x 2.03”

294mm x 165mm x 51.5mm

Remote Bass Controller:

Flush mount level controller. Fine tune your bass output with a simple

turn of the precision controller. 16ft of cable included.

11.57in / 294mm

2.03in / 51.5mm

6.5in / 165mm

POWER/PROTECT LED

Amplier status indicator. Blue indicates all systems working and amplier is on. Red

indicates protection mode, from Thermal or Short Circuit. (See Troubleshooting)

GROUND (GND)

This must be connected to the negative terminal of the car’s battery or bolted to a

clean, unpainted part of the chassis of the vehicle. Bad grounds account for 90% of

amplier issues, make sure the amplier is grounded correctly and securely.

REMOTE (REM)

Connect to switched +12V, usually a trigger wire coming from the head unit or an

ignition lead if one is not available.

+12V

This must be connected to the fused positive terminal (+12V) of the car’s battery. A fuse

must be located within 18 inches of the battery to protect the vehicle and should be

fused at, or above, the ampliers fuse rating.

SPEAKER OUTPUTS CH1-6

Used to connect the amplier to speakers. The GX1200.6 minimum impedance is 2

Ohms Stereo or 4 Ohms Bridged for all channels.

REMOTE LEVEL CONTROL

This port is for connecting the remote level control knob. This allows up to 20dB of

volume adjustment. This is not a bass boost, it controls the level of the signal.

The remote only controls CH 5/6.

12 3

GX1200.6

Multi-Channel Power Amplier

INPUT GAIN (SENS) CH 1/2, 3/4, 5/6

Used to adjust the input sensitivity to match the input level signal on the channels.

Continuously variable from 0.4V to 10V. Adjust this with the help of a DMM and a test

signal or an Oscilloscope. See System Tuning section for basic setup instructions.

CROSSOVER (X-OVER) CH 1/2, 3/4, 5/6

High Pass Filter (HPF): When set, activates a highpass crossover for the channels.

Continuously variable from 40Hz to 500Hz using the FREQ dial.

Full Range (FULL): Select FULL to amplify a full range signal.

Low Pass Filter (LPF): When set, activates a low pass crossover for the channels.

Continuously variable from 40Hz to 500Hz using the FREQ dial.

INPUTS (F/R CHs, SUB CH)

If you are using RCA or high level signal from an aftermarket head unit, select UNBAL. If

you are using high level from a OEM factory source unit or factory amplier select BAL.

INPUT CONFIG (4CH / 6CH)

Input signal selectable for 4 or 6 channels. If only 4 channels of input signal are

available, select 4CH to allow signal to split to CH 5+6. Select 6CH if 6 channels

of input are being used.

INPUT (CH1-6)

Connect preamp signal cables (RCA) from the source unit to these terminals.

Use of 4 or 6 channels of input signal selectable with INPUT CONFIG switch.

4 5 6

POWER/PROTECT LED

Amplier status indicator. Blue indicates all systems working and amplier is on. Red

indicates protection mode, from Thermal or Short Circuit. (See Troubleshooting)

GROUND (GND)

This must be connected to the negative terminal of the car’s battery or bolted to a

clean, unpainted part of the chassis of the vehicle. Bad grounds account for 90% of

amplier issues, make sure the amplier is grounded correctly and securely.

REMOTE (REM)

Connect to switched +12V, usually a trigger wire coming from the head unit or an

ignition lead if one is not available.

+12V

This must be connected to the fused positive terminal (+12V) of the car’s battery. A fuse

must be located within 18 inches of the battery to protect the vehicle and should be

fused at, or above, the ampliers fuse rating.

SPEAKER OUTPUTS CH1-4

Used to connect the amplier to speakers. The GX800.4 minimum impedance is 2 Ohms

Stereo or 4 Ohms Bridged for all channels.

INPUT GAIN (SENS) Front Channel, Rear Channel

Used to adjust the input sensitivity to match the input level signal on the channels.

Continuously variable from 0.4V to 10V. Adjust this with the help of a DMM and a test

signal or an Oscilloscope. See System Tuning section for basic setup instructions.

12 3

GX800.4

Multi-Channel Power Amplier

CROSSOVER (X-OVER) Front Channel, Rear Channel

High Pass Filter (HPF): When set, activates a highpass crossover for the channels.

Continuously variable from 40Hz to 500Hz using the FREQ dial.

Full Range (FULL): Select FULL to amplify a full range signal.

Low Pass Filter (LPF): When set, activates a low pass crossover for the channels.

Continuously variable from 40Hz to 500Hz using the FREQ dial.

INPUTS

If you are using RCA or high level signal from an aftermarket head unit, select UNBAL. If

you are using high level from a OEM factory source unit or factory amplier select BAL.

INPUT CONFIG (2CH / 4CH)

Input signal selectable for 2 or 4 channels. If only 2 channels of input signal are

available, select 2CH to allow signal to split to REAR Channels. Select 4CH if 4

channels of input are used.

INPUT (Front / Rear)

Connect preamp signal cables (RCA) from the source unit to these terminals.

Use of 2 or 4 channels of input signal selectable with INPUT CONFIG switch.

REMOTE LEVEL CONTROL

This port is for connecting the remote level control knob. This allows up to 20dB of

volume adjustment. This is not a bass boost, it controls the level of the signal.

The remote only controls REAR Channel level.

4 5 6

POWER/PROTECT LED

Amplier status indicator. Blue indicates all systems working and amplier is on. Red

indicates protection mode, from Thermal or Short Circuit. (See Troubleshooting)

GROUND (GND)

This must be connected to the negative terminal of the car’s battery or bolted to a

clean, unpainted part of the chassis of the vehicle. Bad grounds account for 90% of

amplier issues, make sure the amplier is grounded correctly and securely.

REMOTE (REM)

Connect to switched +12V, usually a trigger wire coming from the head unit or an

ignition lead if one is not available.

+12V

This must be connected to the fused positive terminal (+12V) of the car’s battery. A fuse

must be located within 18 inches of the battery to protect the vehicle and should be

fused at, or above, the ampliers fuse rating.

SPEAKER OUTPUT

Used to connect the amplier to speakers. The GX1200.0 minimum impedance is 1

Ohms

INPUT GAIN (SENS)

Used to adjust the input sensitivity to match the input level signal. Continuously

variable from 0.4V to 10V. Adjust this with the help of a DMM and a test signal or an

Oscilloscope. See System Tuning section for basic setup instructions.

PHASE

Controls the Phase from 0-180°. Properly adjusting phase will allow enhanced bass

response, dynamics and impact at any volume.

12 3 4

GX1200.1

Monoblock Power Amplier

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