BANDA AUDIOPARTS PX-8 6 Way Limiter Audio Processor Instruction Manual

Refer to the manual for the function of each element including
the rotary encoder, power connector, link output, ESC button,
signal inputs, keys for channel selection, limiter actuation
indicator lights, and device display.

3. Menu and Settings

3.1 Accessing the Menu

To access the menu, rotate the rotary encoder to navigate and
press the encoder to select a function.

3.2 Main Gain Adjustment

Adjust the overall processor gain by rotating the encoder to the
desired gain level and pressing ESC to save and return to the
menu.

3.3 Routing Channel Output

Route between input and output channels by selecting L for input
L signal, R for input R signal, and L+R for combined input
signals.

Frequently Asked Questions (FAQ)

Q: How do I pair the product via Bluetooth?

A: Refer to section 6.2 in the manual for detailed instructions
on pairing via Bluetooth.

Q: What is the power requirement for the product?

A: The product must be powered with 12Vdc and a minimum current
of 300ma. Ensure proper power connections as indicated in the
manual.

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INSTRUCTION MANUAL

BLUETOOTH

Read before using

INDEX

1. Functional Diagram

2. Presentation

3. Installation

4. Description of Elements

5. Menu and Settings

5.1 Accessing the menu

5.2 Main Gain

5.3 Routing Channel Output

5.4 Output Gain

5.5 Crossover

5.6 Polarity/Phase

5.7 Delay

5.8 Eq Channel

5.9 Eq In

5.10 Limiter

5.11 Cross/Eq/Lim/All Custom

5.12 Password

5.13 Mute

5.14 Reset

6. Bluetooth Interface

6.1 Functions

6.2 Pairing

7. Technical Specifications

1. FUNCTIONAL DIAGRAM
3

2. PRESENTATION
Congratulations! You have just purchased a product with Expert Electronics quality. Developed by qualified engineers and in a high-tech laboratory. To ensure optimal operation, please read this manual carefully before using the product. Keep the manual in a safe and accessible place for future reference.

PX8.2 / PX8.2HI

2 inputs RCA (PX8.2)/Hi-Input with Automatic Remote (PX8.2HI)
8 independent outputs
Channel Routing
Input equalizer with 15 bands spaced 1/3 of an octave apart
Parametric equalizer with 3 bands, independent per channel
Crossover with Butterworth, Linkwitz-Riley and Bessel type filters, with 6 to 48dB/8º
Independent delay per channel
Automatic or manual Threshold, Attack and Decay limiter

Polarity inversion Input Gain Independent mute per channel User password Preset with all settings Independent earnings per channel Remote output with 300ma Power tolerance from 9 to 16Vdc Communication interface via Bluetooth in the Connect version

3. INSTALLATION

AMPLIFIERS
Battery negative pole or vehicle body
Remote Player
Remote Amplifiers
Battery positive pole (Power: 10~15v)

PLAYER

AMPLIFIERS
Battery negative pole or vehicle body
Remote Manual
Remote Amplifiers
Battery positive pole (Power: 10~15v)

PLAYER

PX8.2
Minimum wire gauge: 1mm² Rem IN must be connected to the player’s remote Rem OUT must be connected to amplifiers Input voltage from 10 to 15Vdc Working current: 0.35A
PX8.2HI
Minimum wire gauge: 1mm² Rem IN must be connected to the player’s remote Rem OUT must be connected to amplifiers Input voltage from 10 to 15Vdc Working current: 0.35A

4. DESCRIPTION OF ELEMENTS

(1) Rotary Encoder responsible for selecting and changing parameters
(2) Power connector, must be powered with 12Vdc and a minimum current of 300ma, Rem IN needs to be connected to the player’s remote and Rem OUT is sent to the amplifiers.
(3) Use the link output to couple several systems, the link output is connected to the input of the processor you want to couple.
(4) Use ESC to return to the previous parameter or menu.
(5) Signal inputs must be connected to the player or table output.
(6) Use these keys to select the channel to be configured, it can be used within any menu, if used on the initial screen it changes the channel.
(7) Limiter actuation indicator lights.
(8) Device display and configuration.

5. MENU AND SETTINGS
5.1. ACCESSING THE MENU
Rotate the rotary encoder to navigate through the configuration menu, if you want to access a function, just press the encoder.
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1st STEP
DELAY Rotate the encoder

2nd STEP
PASSWORD Rotate the encoder

3rd STEP
MAIN GAIN Press the encoder

5.2. MAIN GAIN
Adjusts the overall processor gain.

1st STEP
MAIN => GAIN: – 01dB
Rotate the encoder to the desired gain

2nd STEP
MAIN => GAIN: – 01dB
Press ESC to return to the menu

3rd STEP
MAIN GAIN

5.3. ROUTING CHANNEL OUTPUT

It routes between input and output, when in L selected output receives only the signal from input L, when in R output receives only the signal from input R and when at L+R output receives the summed signal from inputs L and R.

1st STEP
CH1 > OUT: L + R
Press the button corresponding to the channel you want to
configure

2nd STEP
CH3 > OUT: L + R
Rotate the encoder

3rd STEP
CH1 > OUT: R

4th STEP
ROUTING CHANNEL OUTPUT

Rotate the encoder to the desired setting

Press ESC to return to the menu

5.4. GAIN

Allows you to change the gain independently of each output.

1st STEP
CH4 GAIN: 09dB
Press the button corresponding to the channel you want to
configure

2nd STEP
CH4 GAIN: 09dB
Rotate the encoder to the desired gain

3rd STEP
GAIN
Press ESC to return to the menu

5.5. CROSSOVER

Allows you to eliminate unwanted frequencies on the track, has Butterworth type filters,Linkwitz-riley and Bessel with attenuations from 6 to 48dB/8º.

1st STEP
CH3 => HP: 00062HZ AT: 12DB/8BT
Press the button corresponding to the channel you want to
configure

2nd STEP
CH3 => HP: 00062HZ AT: 12DB/8BT
Rotate the encoder to the desired HPF
frequency and press

3rd STEP
CH3 => HP: 00062HZ AT: 24DB/8BT
Rotate the encoder to the desired attenuation
and press

4th STEP
CH3 => LPF: 00180HZ AT: 24DB/8BT
Repeat step 1 and 2 for LPF adjustment: ESC
returns to menu

5.6. POLARITY/PHASE
Allows output polarity.
1st STEP
CH6 PHASE: 0 Press the button corresponding to the channel you want to
configure

2nd STEP
CH6 PHASE: 180
Rotate the encoder to change polarity

3rd STEP
POLARITY/PHASE
Press ESC to return to the menu

5.7. DELAY
Allows you to delay the track signal for better coupling.

1st STEP
CH5 DLY: 000SMP DIST: 0000MM
Press the button corresponding to the channel you want to
configure

2nd STEP
CH5 DLY: 005SMP DIST: 0035MM
Rotate the encoder to the desired delay

3rd STEP
DELAY
Press ESC to return to the menu

5.8. EQ CHANNEL
Channel equalizer allows you to gain or attenuate 3 independent frequencies per channel between 20Hz and 20KHz with frequency, gain and Q factor adjustment.

1st STEP
CH401 => F:00125HZ G: 00DB Q:2.0
Press the button corresponding to the channel you want to
configure

2nd STEP
CH401 => F:00330HZ G: 00DB Q:2.0
Rotate the encoder to the desired frequency
and press

3rd STEP
CH401 => G:+03DB F:00330HZ Q:2.0
Rotate the encoder to the desired gain or attenuation and press

4th STEP
CH401 => Q:3.3 G: +03DB F:00340HZ
Rotate the encoder to the desired Q factor and
press the encoder to configure the other bands; ESC returns to
menu

5.9. EQ IN
Input equalizer allows you to gain or attenuate a frequency between 20Hz and 20KHz with 15 bands spaced 1/3 of an octave apart.

1st STEP
FREQ: 00031 HZ =>G: 00DB
Press the encoder to the desired frequency

2nd STEP
FREQ: 00080 HZ =>G: 00DB
Rotate the encoder to the desired gain or
attenuation

3rd STEP
FREQ: 00080 HZ =>G: 00DB
Repeat step 1 and 2 to configure other frequencies

4th STEP
EQ IN
Press ESC to return to the menu

5.10. LIMITER
Sets a limit so that the audio signal does not exceed the set value.

1st STEP
CH2=>T: 06 dB A:050ms D:870ms
Press the button corresponding to the channel you want to
configure

2nd STEP
CH2=>T: -10 dB A:050ms D:870ms
Rotate the encoder to the desired Threshold
and press

3rd STEP
CH2=>A:005ms D:870ms T:-10dB
Turn the encoder to the desired Attack and press

4th STEP
CH2=>D: 080ms T:-10dB A:005ms
Rotate the encoder to the desired Decay; ESC
returns to menu

5.11. CROSS/EQ/LIM/ALL CUSTOM
Processor Presets save ALL device settings, just choose the Preset and configure the device and the settings are automatically saved in memory.

1st STEP
CUSTOM 1
Press or turn the encoder to the desired
custom

2nd STEP
CUSTOM 2
Press or turn the encoder to the desired
custom

3rd STEP
CUSTOM 3
Press or turn the encoder to the desired
custom

4th STEP
CROSS/EQ/LIM/ALL CUSTOM
Press ESC to return to the menu

AT TEN TION!
The Preset saves all the device settings, if you use another preset it will be necessary to redo frequency cuts, equalization, gains, etc…

5.12. PASSWORD
Set a password to protect settings.

1st STEP
KEY:0000
Rotate the encoder, set the first digit and press

2nd STEP
KEY:0000
Rotate the encoder, set the first digit and press

3rd STEP
KEY:0033
Repeat step 1 and 2 for all digits and press

4th STEP
EXPERT ELECTRONICS
If you forget your password, you will need to reset the processor

5.13. MUTE
To change one of the channels, simply press the desired channel button when the processor is on the home screen.

1st STEP
EXPERT ELECTRONICS
Press the channel you want to mute

2nd STEP
CH1: OFF
Press again to unmute the channel

3rd STEP
CH1: OFF
ESC returns to home menu

4th STEP
EXPERT ELECTRONICS

5.14. RESET
To reset the processor to ALL factory parameters, simply press and hold the ESC key when on the initial screen until the processor restart.

1st STEP
EXPERT ELECTRONICS
Press and hold the ESC key

2nd STEP
EXPERT ELECTRONICS
Processor restarts and resets settings

AT TEN TION!
It will be necessary to redo the entire processor configuration, as the reset returns all parameters to those defined by the factory.
Perform the reset with all audio outputs disconnected.

6. BLUETOOTH INTERFACE
(1) Through a didactic and intuitive interface, it is possible to configure the entire configuration of Expert Electronics processors via Smartphone or Tablet, thus facilitating system alignment, which can be done in front of the system and in real time. (2) The app can be downloaded directly from the Google Play Store or Apple Store for free. (3) The application is only available for Connect line processors, but there is an application demo mode for those who do not yet have a Connect line processor.

6.1. FUNCTIONS
ROUTING CH GAIN CROSSOVER LIMIT DELAY

EQ IN EQ CH PHASE PRESET PASSWORD

6.2. PAIRING
APP CONTROL | iOS and ANDROID
(1) Download the app from the Google Play Store or Apple Store. (2) Activate the Bluetooth connection. (3) Activate the device location. (4) Open the app.
PX 8.2
(5) The application automatically recognizes the processor. (6) Select the processor. (7) Enter the password. (8) Factory password: 0000. (9) To change the factory password, just enter the new password and click OK. (10) To change the password again it is necessary to reset the processor.
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* These typical figures may vary slightly.

7. TECHNICAL SPECIFICATIONS

Type Connection Max input level Input Impedance

INPUTS
Unbalanced Rca 4Vpp (1,4 Vrms) 47

Type Connection Max output level Output Impedance

OUTPUTS (1, 2, 3, 4, 5, 6, 7, 8)
Desbalanceadas Rca 2 Vrms 470

Resolution Sampling frequency Processing latency Frequency Response THD+N max Signal to noise ratio

Voltage Consumption Fuse
DIMENSIONS

250mm

TECHNICAL DATA
24 Bits 48 Khz 1,08ms 15Hz to 22KHz (-1dB) 0.01% 100dB
SUPPLY
10~15 Vdc 300 ma (5w) 2A

0,42Kg Weight

30mm 120mm

WARRANTY TERMS
Warranty valid for 12 months (one year), starting from the date of purchase, if purchased from an authorized Expert Electronics dealer. Will be covered by warranty components and/or parts comproved that shows failures in process manufacture or damaged components. Warranty don’t cover: 1. Equipment, parts or components previously altered by unauthorized people. 2. Damages caused by accidents (fall, crash, etc) or natural disasters (overflow, burning, etc). 3. Improper instalation (improper wiring, abuse, installation out of specifications). 4. Shipping costs In case needed any repair, contact the dealer for warranty instructions.
ADDRESS: Banda Audioparts Rua Sofia Atauri Fadin, 256 Neighborhood: Santa Terezinha II Paulínia – SP Brazil Zip Code: 13148-142
NOTE: If out of warranty,repair costs (if needed) will be charged from client. Phone: 55 (19) 3844-7173 e-mail: suporte@expertelectronics.com.br Expert Electronics reserved rights to alter caracteristics of the product without previously advice.
WARRANTY REGISTRATION: Name:………………………………………………………………………………………………………………………………………………………………………… Register:…………………………………………………………. Date:……………………………………… Phone:………………………………………….. Address:…………………………………………………………………………………………………………………………………………………………………….. Dealer:………………………………………………………………………………………………………………. Phone:…………………………………………..
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/Expert-Electronics visit www.bandaaudioparts.com

Documents / Resources

BANDA AUDIOPARTS PX-8 6 Way Limiter Audio Processor [pdf] Instruction Manual
PX-8 6 Way Limiter Audio Processor, PX-8, 6 Way Limiter Audio Processor, Limiter Audio Processor, Audio Processor, Processor

References

User Manual

BANDA AUDIOPARTS PX-8 6 Way Limiter Audio Processor Instruction Manual

PX-8 6 Way Limiter Audio Processor

Specifications

Product Usage Instructions

1. Installation

2. Description of Elements