background image

Operating Manual - nX, nXe, and nXp Power Amplifiers

54

 

15  nX AMPLIFIER SPECIFICATIONS

General Power Amplifier Specifications 

 

(

0dBu = 0.775V rms)

 

nX Amplifier Model 

nX3.04 

nX3.02 

nX1.54 

nX1.52

Maximum Output Power

 Per Channel

EIAJ Test Standard, 1kHz, 1%THD, 120VAC, all channels driven
   Low Z output
      2 Ohm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3000W 

3000W 

1500W 

1500W

      4 Ohm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2000W 

2000W 

1500W 

1500W

      8 Ohm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1250W 

1250W 

1250W 

1250W

   Low Z output, Bridge Mode
      4 Ohm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6000W 

6000W 

3000W 

3000W

      8 Ohm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4000W 

4000W 

3000W 

3000W

   70V, 100V output
      70V/channel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2450W 

2450W 

1500W 

1500W

      100V/channel   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1250W 

1250W 

1250W 

1250W

Total AC Mains Power Draw

 - Typical input, all channels driven, 120VAC

   Sleep . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .<1W 

<1W 

<1W 

<1W

   Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70W 

40W 

70W 

40W

   Idle (no signal)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100W 

55W 

100W 

55W

   1/8 max power, 70V . . . . . . . . . . . . . . . . . . . . . . . . . . .1880W 

940W 

1250W 

625W

   1/8 max power, 100V . . . . . . . . . . . . . . . . . . . . . . . . . .1040W 

520W 

1040W 

520W

   1/8 max power, 8 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .1040W 

520W 

1040W 

520W

   1/8 max power, 4 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .1540W 

770W 

1250W 

625W

   1/8 max power, 2 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .2300W 

1150W 

1250W 

625W

AC Mains Current Draw

 - Typical input, all channels driven, 120VAC (divide in half for 240V)

   Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100mA 

100mA 

100mA 

100mA

   Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.30A 

0.70A 

1.30A 

0.70A

   Idle (no signal)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1.85A 

1.00A 

1.85A 

1.00A

   1/8 max power, 70V . . . . . . . . . . . . . . . . . . . . . . . . . . .24.1A 

12.1A 

16.0A 

8.0A

   1/8 max power, 100V . . . . . . . . . . . . . . . . . . . . . . . . . .13.4A 

6.7A 

13.4A 

6.7A

   1/8 max power, 8 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .13.4A 

6.7A 

13.4A 

6.7A

   1/8 max power, 4 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .19.7A 

9.9A 

16.0A 

8.0A

   1/8 max power, 2 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .29.5A 

14.7A 

16.0A 

8.0A

Thermal Dissipation

 in BTU/hour with typical input, all channels driven, 120VAC

   Sleep mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.4 

3.4 

3.4 

3.4

   Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238 

136 

238 

136

   Idle (no signal)  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .340 

187 

340 

187

   1/8 max power, 70V . . . . . . . . . . . . . . . . . . . . . . . . . . .2220 

1110 

1700 

850

   1/8 max power, 100V . . . . . . . . . . . . . . . . . . . . . . . . . .1420 

710 

1420 

710

   1/8 max power, 8 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .1420 

710 

1420 

710

   1/8 max power, 4 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .1810 

905 

1700 

850

   1/8 max power, 2 Ohm . . . . . . . . . . . . . . . . . . . . . . . . .2720 

1360 

1700 

850

Input Sensitivity

 

per gain switch setting, output mode, and (model) . . .

Low Z (3.0x)  Low Z (1.5x)  70V (all) 

100V (all)

   26dB Gain input sensitivity  . . . . . . . . . . . . . . . . . . . 3.9V (+14dBu)  2.7V (+11dBu) 

3.5V (+13dBu)   5.0V (+16dBu)

   32dB Gain input sensitivity  . . . . . . . . . . . . . . . . . . . 1.9V (+7.8dBu)  1.4V (+5.1dBu)  1.8V (+7.3dBu)   2.5V (+10dBu)
   38dB Gain input sensitivity  . . . . . . . . . . . . . . . . . . . 0.97V (+2dBu)  0.68V (-1.1dBu)  0.88V (+1.1dBu)  1.3V (+4.5dBu)
   1.4V input sensitivity  . . . . . . . . . . . . . . . . . . . . . . . . 1.4V (+5.1dBu)  1.4V (+5.1dBu)  1.4V (+5.1dBu)  1.4V (+5.1dBu)

Damping Factor (8 Ohm load, <1kHz) . . . . . . . . . . . .>250 (all models)
Distortion (SMPTE, typical) . . . . . . . . . . . . . . . . . . . .<0.5% (all models)

Summary of Contents for nX

Page 1: ...ASHLY AUDIO INC 847 Holt Road Webster NY 14580 9103 Phone 585 872 0010 Toll Free 800 828 6308 Fax 585 872 0739 ashly com Power Amplifiers Operating Manual nX nXe nXp Series Models 3 04 3 02 1 54 1 52...

Page 2: ...enience receptacles and the point where they exit from the apparatus 12 Only use attachments accessories specified by the manufacturer 13 Use only with the cart stand tripod bracket or table specified...

Page 3: ...lowing OSHA table for safe noise exposure limits and always take precautions to avoid excessive exposure to loud environments Sound level dBA slow response Maximum Duration Hours per day 90 8 92 6 95...

Page 4: ...atures nXp Series 14 7 1 Installed DSP 14 8 Ethernet Communications 14 8 1 IP Address 14 8 2 Firewalls 14 8 3 Wi Fi and LAN 14 8 4 Connecting Devices 14 NOTE Sections 9 13 are not included in the prin...

Page 5: ...Preset Recall Switches 45 11 4 WR 5 Programmable Button Control 46 11 5 RD 8C Serial Data Fader Controller 46 11 6 neWR 5 Programmable Button Control 47 11 7 FR 8 FR 16 Networked Fader 47 11 8 INA 1 I...

Page 6: ...ol per channel PowerCON detachable AC mains connector with automatic 120V 240V select Power saving automatic sleep mode less than 1W defeatable Continuously variable cooling fan s Extensive protection...

Page 7: ...er distribution point Do not lift or remove the amplifier power cord ground pin AC Mains Connector Types The following table shows the AC mains plug type supplied with each nX amplifier model as well...

Page 8: ...r load power which would be lost as heat in an arbitrary 100 ft run of different gauges of 2 conductor copper speaker wire Wire gauge resistance power loss for 100ft speaker cable Wire Gauge Ohms 100f...

Page 9: ...sing star type lockwashers on the four rack mounting screws placed between the amplifier chassis and the rack rails These star washers will penetrate through the amplifier and rack rail finish to adeq...

Page 10: ...T PANEL FEATURES all models 4 1 Mounting Holes For mounting to a 19 equipment rack 4 2 Air Vents Cool air enters in through the amplifier sides and is vented out the front 4 3 Factory Reset Sleep Mode...

Page 11: ...s audio signal present again or when the power switch is pressed Because the real time clock is also shut down during sleep mode the amplifier cannot be awakened by any software function including the...

Page 12: ...channel and level control disabling the even numbered input Speaker outputs for bridge mode must be wired according to the chart shown to the right The bridge mode switch button can be removed for add...

Page 13: ...t from the amplifier Preset pins 1 4 correspond directly to amplifier presets 01 04 6 6 Serial Data Connector These four pins G 18 OUT IN are for connecting a serial data remote control such as an Ash...

Page 14: ...ield where firewall exceptions are configured 8 3 Wi Fi and LAN For the initial device auto configuration process any secondary Wi Fi connection should be disabled on the PC and the LAN Local Area Net...

Page 15: ...are currently available and Dante and AVB network audio options will become available in the future Note The user can find and verify a live device on the network by right clicking over the unit s na...

Page 16: ...e automatically when the software is started A button of the same name and function is also found beneath the network device tree Network Network Config Adjusts the metering refresh rate server retrie...

Page 17: ...ith load analysis are NE two channel dsp and nXp Loudspeakers are specified with a nominal impedance rating 8 Ohms for example This is an average rating the actual impedance across it s frequency rang...

Page 18: ...ware Tells the software version Help Contents and Index Online help for device function is found here along with the ability to search for topics Help Capture Network Configuration While most people w...

Page 19: ...eate up to four gain subgroups as you would on a mixing console Any input or output channel can be added to one or more VCA subgroups for group gain control While no external hardware control is allow...

Page 20: ...re Standby can also be controlled by a rear panel contact closure or by the event scheduler The front panel power switch blinks when in standby Front Panel Enable Disable This disables both the front...

Page 21: ...ffset Link Group and Offset Faders A group of output channels can be linked together to attenuate the group as a whole without changing the relative levels of each channel If a channel is assigned to...

Page 22: ...g on the Save Changes but ton To log in as Admin in the Log In section click the Admin checkbox enter the password if one is assigned and click the Log In button Only the Admin or anyone else with ful...

Page 23: ...just it s parameters or right click on it to Bypass Select for Sub Preset Copy Paste to another similar block or Delete Total DSP usage is indicated as a percentage at the bottom of each input section...

Page 24: ...nal falls below threshold Link Group Group to which all parameters are assigned for simultaneous adjustment to multiple Limiters Show Meter On Graph Overlays the input output level meters on the Limit...

Page 25: ...setting in the Autoleveler as it determines the constant level to which an input is boost or cut The Autoleveler can be used in situations such as speech re enforcement where an unknown source level...

Page 26: ...channel e g a paging microphone Parameters Ducker Type Available types are High and Low Priority Trigger Filibuster and Ducked Program Trigger Threshold The signal level on a trigger channel at which...

Page 27: ...nal to pass through available as text box or as the top drag node on the graph Range The amount of attenuation applied to the unwanted signal when it remains below Threshold sometimes referred to as f...

Page 28: ...ion automatically applied to the program audio by the ANC function Max Gain Sets the maximum gain that you allow the ANC to apply to the program audio A typical starting value is 10 dB Min Base Gain S...

Page 29: ...ensation 7 Continue to increase the noise source to the highest level you would expect Adjust the Max Gain to a level which limits the maximum gain which the ANC applies to the program audio so that i...

Page 30: ...l gain attenuation applied to the channel It is the sum of the gain of the Level fader plus the gain applied by each of the enabled VCA Groups RD 8C Remote Control Gain Remote Gain allows the user to...

Page 31: ...be returned to nominal by pressing Ctrl Click on the fader knob Acourse EQ curve can be drawn quickly by left clicking and drag ging across the EQ frequency response display Multiple graphic equalize...

Page 32: ...filter highlighted Filter In Out Green filter in engaged Red filter out disengaged Filter Type Selected filter type The types are Parametric Symmetric boost cut allowing individual adjustment of cente...

Page 33: ...bandwidth filter through a problem feedback area with just a slight boost is a quick way to find the exact frequency causing trouble Once the offensive frequency has been found cut the filter s level...

Page 34: ...ve Filter Parameters Filter number Current Active Filter highlighted Filter In Out Green Filter In engaged Red Filter Out disengaged Filter Lock Locks Filter at its current setting when locked the det...

Page 35: ...controlled by the FBS but can only be controlled by the user The FBS will automatically use available restricted filters first If there are no more restricted filters available the FBS will automatic...

Page 36: ...Low Pass Filter determines the upper frequency limit Be careful not to accidentally send low frequency signals to high frequency drivers Check the loud speaker specifications to determine a safe opera...

Page 37: ...f the pole zero characteristics of individual filters The 18dB oct Linkwitz Riley individually are 18dB oct Butterworth filters in that they have Butterworth pole zero characteristics and also satisfy...

Page 38: ...ocal temperature used to calculate the speed of sound though air and thus the distance orresponding to the delay time Link Group The link group to which the delay s parameters will be linked Show Deta...

Page 39: ...routing lines in the DSP Controls window matrix mixer Mute Button Mutes the input signal before the auto manual mixer This does not light the front panel Mute LED Auto Button Selects the mixer input...

Page 40: ...ly changing 3 A gain sharing automixer is easier to setup and adjust without the need for threshold attack release depth and Number of Open Mics NOM controls Mixer input channels can be individually s...

Page 41: ...ol set tings Up to 100 events can be sched uled All event schedule data is stored in the amplifier A common use of the event sched uler would be for programmable energy efficiency Schedule the amp to...

Page 42: ...e To remove the amp from standby mode open the STBY switch Remote standby is unavailable on nX models 2 Remote Control Standby Using the Software Control Surface nXe or nXp amplifiers can also be put...

Page 43: ...d to the preset ground pin the amplifier loads the preset or sub preset 1 4 as stored in amplifier memory 3 WR 5 A WR 5 appears in software as a captive device to its host amplifier The six buttons on...

Page 44: ...iated with each fader which mutes those channels associated with that fader 2 neWR 5 The neWR 5 buttons can be programmed to mute and unmute single or multiple inputs or outputs 3 Event Scheduler The...

Page 45: ...he WR 1 remote level control ground to any other external grounds 11 1 WR 1 Assembly 11 1a WR 1 Wiring 11 2 WR 1 5 Level Control and Preset Recall Switch nXe and nXp only The WR 1 5 has a four positio...

Page 46: ...buttons are programmed from Proteane software after the WR 5 is wired to the amplifier and assigned a unique ID number in its WR 5 device window Controlled functions include preset recall scroll mute...

Page 47: ...tons are used to adjust function parameters such as gain or preset number and are indicated by the LED display There is also a hard wired lock out feature on the neWR 5 where the closing of a switch w...

Page 48: ...to an incoming AES EBU signal and data is ready for processing This LED is disabled when network audio provides the master clock AES Status LED red Receiver Rx1 is Active but has an error AES Signal w...

Page 49: ...c e i v e r There are four receivers A B C and D in amplifiers with CobraNet installed Each receiver can receive one Cobranet bundle selected by the user It is not necessary to use all receivers Depen...

Page 50: ...uration Description Description of the Unit and its firmware Location User definable string typically indicating the location of the CobraNet device Contact User definable string typically indicating...

Page 51: ...t Jack Shows the status of the secondary CobraNet jack Error Indicators Fault A serious fault has occurred Receive An error has occurred in the reception of a packet Not necessarily a problem Transmit...

Page 52: ...heated or overpowered channels and power supply treatments for rail fault irregularities 2 Has the amp shut down fans stopped with Protect Sleep and Power Switch LEDs all on If so this indicates a cri...

Page 53: ...Properly 1 Is the WR 5 wired correctly to the amplifier Data connector sec 11 4 2 If the WR 5 is the last one in series even if it is the only one used is the two pin jumper properly placed on the cir...

Page 54: ...n half for 240V Sleep mode 100mA 100mA 100mA 100mA Standby mode 1 30A 0 70A 1 30A 0 70A Idle no signal 1 85A 1 00A 1 85A 1 00A 1 8 max power 70V 24 1A 12 1A 16 0A 8 0A 1 8 max power 100V 13 4A 6 7A 13...

Page 55: ...on nXe and nXp only Euroblock 3 5mm Gnd 18V Data Out Data In AUX Output Connector nXe and nXp only Balanced Euroblock 3 5mm AUX Output on two channel models AUXA B use amp ch 1 2 signal or use matrix...

Page 56: ...ent Gain Ratio 0 3 1 to 3 1 Metering Input level Attenuation Average noise Ducker Ducking Type high low priority trigger filibuster duckedprogram Trigger Threshold 80dBu to 20dBu Ducking Release 5ms d...

Page 57: ...lay 0 10 6ms 11 8ft 3 6m Delay 0 341ms 378ft 115m Tools Audio Meter Range 60dBu to 20dBu Increments 1dB Peak Hold Indicator yes Signal Generator pink noise white noise sine wave Signal Level off 50dBu...

Page 58: ...efaced or removed ASHLY AUDIO INC reserves the right to make changes in design or make additions to or improvements upon this product without any obligation to install the same on products previously...

Page 59: ...59 Operating Manual nX nXe and nXp Power Amplifiers nX AMPLIFIER BLOCK DIAGRAMS...

Page 60: ...Operating Manual nX nXe and nXp Power Amplifiers 60 This page intentionally left blank...

Page 61: ...p Power Amplifiers ASHLY AUDIO INC 847 Holt Road Webster NY 14580 9103 Phone 585 872 0010 Fax 585 872 0739 Toll Free 800 828 6308 ashly com Printed in USA NX R1 062113 2013 by Ashly Audio Corporation...

Reviews: