AUDIOPHONICS AP310 Integrated Amplifier

Specifications

• Model: AP310-P250NC
• Integrated Amplifier
• Power Output: Refer to user manual for detailed power output specifications
• THD+N: Refer to user manual for THD+N specifications
• Signal-to-Noise Ratio (SNR): Refer to user manual for SNR specifications

Product Usage Instructions:
Installation:

1. Connect the preamp to the designated ports on the amplifier using XLR cables.
2. Ensure proper power connection by plugging the power connector into the designated port.

Device Startu p

1. ress the power button to turn on the device.
2. Use the volume controls to adjust the sound output as needed.

FAQ
Q: How do I connect the amplifier to a preamp?|
A: Use XLR cables to connect the preamp to the designated ports on the amplifier. Refer to the user manual for specific connection instructions.

Introduction

Thank you for purchasing this Audiophonics AP310-P250NC integrated amplifier. We strongly recommend that you read this manual thoroughly before use. This way, you will be aware of all the possibilities of the device’s operation, while avoiding any potential misuse of it. You will protect yourself and the device from possible damage caused by improper use. Keep this manual for future reference.

Usage and safety advice

The Audiophonics AP310-N250NC amplifier complies with all the directives and standards imposed by the European Union.

Caution : Never touch the inside of the device during or after it has been powered. If you mishandle it, you could suffer a serious electric shock.

• Please observe the following points carefully:
• The unit is designed for indoor use only. Protect it from water splashes, high humidity and excessive heat.
• Under no circumstances should you place objects containing liquids on the unit.
• Heat from the unit must be dissipated by adequate air circulation. Avoid placing other heat sources nearby.
• Do not operate the unit and disconnect the power supply cable immediately in the following cases:
  • The device or the mains cable have visible damage.
  • After a fall of the device or similar accident, if you have any doubt about its condition.
  • Malfunctions appear.
• Never unplug the unit by pulling on the power cord; first turn the power switch to OFF, then remove the power cord by gently pulling the plug.
• Use a soft and dry cloth for cleaning. Do not use chemicals or water under any circumstances.
• We decline all responsibility for personal injury or material damage resulting from use for purposes other than those for which the device is designed, or
• if it is incorrectly connected, used, or repaired by unauthorized persons. Furthermore, the warranty will become null and void.

When the device is finally out of order, you must take it to a nearby recycling plant to contribute to its non-polluting disposal.

Package content

Please verify that you have all of the items listed below when you receive the product. Please contact us if any of these items are missing or damaged in transit.

Keep this manual in a safe place for future reference.
Note: The illustrations in the user manual may differ slightly from the delivered product.

Warranty

Your Audiophonics AP310-P250NC amplifier is guaranteed for two years from the date of delivery. If your device requires service, please contact us via the contact form available in your customer account on Audiophonics.com The warranty covers manufacturing defects to the exclusion of any other damage, failure or malfunction:

• due to an accident,
• due to negligence,
• due to incorrect operation,
• due to installation not in accordance with this manual,
• due to intervention by unauthorized persons,
• due to oxidation, corrosion, incorrect connection or power supply problems,
• for aesthetic reasons,
• due to damage during transport (such damage will only be taken into account by the carrier if the usual legal reservations have been made at the time of delivery).

Please ensure that your products are well protected before they are picked up by a carrier in the case of a warranty return. You can use packing material such as cardboard, foam or bubble wrap, as well as a securely closed outer box.

Product Overview

| Description

---|---
1| ON/OFF button
2| Input selection button
3| IR receiver
4| Screen
5| Volume button

| Description

---|---
6| Pre‑out
7| XLR input
8| RCA 1 input
9| RCA 2 input
10| RCA 3 input
11| RCA 4 input (Bypass)

| Description

---|---
12| TRIGGER IN
13| TRIGGER OUT
14| Right channel speaker terminal
15| Left channel speaker terminal
16| Power input
17| Fuse
18| Power switch

Remote control

| Description

---|---
19| ON/OFF button
20| Input selection button
21| Settings button
22| Up navigation
23| NA
24| Left navigation
25| Right Navigation
26| Bottom navigation
27| NA
28| Volume ‑
29| Volume +
30| Mute button

Operation of the device

Installation

• Make sure your home electric network is providing a voltage between 110 and 240V.
• Use the included power cable to plug the device into a power outlet.
• Wait for the power button to light up in red.

Switching on the device
First, connect the amplifier’s power supply connector (16) to a power outlet using the supplied power cable. Press the power button (18). The LED on the ON/OFF button (1) will light up red. Press the ON/OFF button (1) on the unit or the ON/OFF button (19) on the remote control. The amplifier is now switched on.

Display : preamplifier mode
After powering up, AP310-P250NC display will show its preamplifier mode.

1.  Current input
   Displays which input is currently active. Possible values are :

   • XLR
   • Line1
   • Line2
   • Line3
   • Line4 (bypass, please read the dedicated section before using this input)

2. Trigger input status
   Displays “EXT” if a (powered) line is connected to the trigger in connector.

3. Gain (+) or attenuation (-)

   • Displays “+” (plus sign) when the preamplifier is in gain mode.
   • Displays “-” (minus sign) when the preamplifier is in attenuation mode.

4.  Gain attenuation value
   Displays the amount of gain/attenuation applied to the signal in decibels.

Enable / Disable the mute mode
When the AP310-P250NC is switched on and in preamplifier mode, to mute it, briefly press the power button (1) on the front panel, or press the mute button (30) on the remote control. The display then shows “MUTE” instead of the decibel value to confirm that the unit has been muted.

Input selection
When the AP310-P250NC is switched on and in preamplifier mode, to select an input source, short press the “input” button (2) on the front panel or the “input” button (20) on the remote control. With the remote control, you can also use the up (22) and down (26) navigation arrows to change the input source.

Adjusting the volume
The AP310-P250NC’s volume attenuation can be adjusted over a range from -90dB to +6dB. Volume control is in 1dB steps between -90dB and -25dB, and in 0.5dB steps between -25dB and +6dB. To increase the volume, turn the volume knob (5) clockwise, or press the Volume + button (29) on the remote control. To decrease volume, turn the volume knob (5) counter-clockwise, or press the Volume – button (28) on the remote control. The display (4) shows the current volume level in dB.

With most 2V RMS sources (depending on speaker sensitivity):

• -90dB is not audible
• -50dB is a low level
• -30dB is a medium listening level
• -20dB will start to sound loud

The volume value is saved when powering the device off. However for security reasons, the saved volume value is capped at -20dB

1. Note 1 : The “+” sign means the preamplifier applying gain to the signal, whereas the “-” sign means the preamplifier is applying attenuation to the signal.
2. Note 2 : you can set a maximum volume (see the limit section in setting mode).

Trigger usage

The AP310-P250NC incorporates a trigger input (12) and trigger output (13) operating over a 5-12VDC range. These can be connected to the trigger inputs and outputs of other devices to set up a chain that automatically switches your audio system on when a signal is received and off when no signal is detected. The trigger on the other device and the cable used to make the connection must be mono.

1.  Trigger input
   

2. Trigger output
   The trigger output is set high as soon as the AP310-P250NC exits stand-by mode.
   Avoid connecting or disconnecting the trigger output when the device is powered as it may lead to unexpected behaviour.

Use of Line 4 input (Bypass)

• The LINE4 input completely bypasses the preamplifier stage. With this input active, no boost nor attenuation is applied to the audio signal before being fed to the amplifier.
• The source used with the LINE4 input MUST have its own volume control.
• Do NOT use a source without volume control on LINE4 or the full amplified signal may damage your speakers.
• This special input has been designed to use the product as a power amplifier. It allows you ton control the volume from an external preamplifier (such as an AV receiver). This means you can use the AP310-P250NC for home cinema and Hi-Fi setups.

Éteindre apparel
Long press the ON/OFF button (1) on the front panel of the device or press the ON/OFF button on the remote control to put the AP310-S250NC into stand-by mode (Power Led is red).

1. Note 1 : if the trigger input status shows “EXT”, it means that the trigger input is high and the AP310-P250NC cannot enter stand-by mode.
   You need to set the trigger input to low by shutting down the source device connected to the trigger input, before you can make the AP310-P250NC enter stand-by mode.

2. Note 2 : If the trigger input caused the AP310-P250NC to power up in the first place, setting the trigger input to low will force stand-by mode. (see trigger input section in this manual)

Settings

Setting mode
To access the device configuration screen, press and hold the “input” button (2) on the front panel or the “select” button (21) on the remote control.
Three parameters appear on the display (4). Short press the “input” button (2) on the front panel or the up (22) and down (26) navigation buttons on the remote control to select a parameter.
To edit a parameter, use the potentiometer (5) on the front panel or press the left (24) and right (25) navigation buttons on the remote control.

Exiting setting mode
On the settings screen, and when the arrow is pointing to the last setting (screen saver), you can short press the “input” button (2) on the front of the unit to exit the settings and return to preamplifier mode.
From the settings screen, you can also press the “select” button (21) on the remote control to exit settings and return to preamplifier mode.

Specifications

Inputs

| 1 Balanced XLR stereo 3‑pin
3 Unbalanced stereo RCA
1* RCA BYPASS

Outputs

| Speaker terminals
1x Pre‑out RCA stereo output

Output power

| 2x250W @ 4 Ohm, THD=1%
2x150W @ 8 Ohm, THD=1%
THD+N| 0.0015%
SNR| 121dB

Gain settings

| 0dB
+6dB
+12dB
Screen| OLED
Screen brightness| Non‑adjustable
Screen saver| 50 secondes
Power supply| 110‑240V AC
Dimensions| 30029560mm
Net weight| 25kg

Package

| 1 Audiophonics AP310‑P250NC integrated amplifier
1 IR Remote control
1* Power supply cable

HYPEX NC252MP performance measurements

Typical Performance Graphs

References

• Audiophonics
• Audiophonics - Hi-Fi Audio, Electronic and DIY Products - Audiophonics

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