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Operating Manual - nX, nXe, and nXp 150W/75W Power Amplifiers

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15 nX AMPLIFIER SPECIFICATIONS

General Power Amplifier Specifications

(

0dBu = 0.775V rms)

nX Amplifier Model

nX1504 nX1502 nX754 nX752

Maximum Output Power

CEA-2006/490A, 20ms 1kHz 1%THD+N, 480ms 1kHz -20dB, 120VAC, all channels driven at rated load

Low Impedance (Low Z) mode, per channel

2 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W

150W

75W

4 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W

150W

75W

8 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W

150W

75W

Low Impedance (Low Z) bridge mode, per bridged channel pair

4 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300W

300W

150W

8 Ohm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300W

300W

150W

25V, 70V, or 100V constant voltage mode, per channel

25V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W

150W

75W

70V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W

150W

75W

100V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150W

150W

75W

25V, 70V, or 100V constant voltage bridged mode, per bridged channel pair*

50V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300W

300W

150W

140V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300W*

300W*

150W*

200V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300W*

300W*

150W*

*May require Class 3 speaker wiring, all others use Class 2 wiring. See

section 2.3

Total AC Mains Power Draw

Typical input, all channels driven, 120VAC, nXp models used for worst case

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

<1W

Standby . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25W

15W

25W

15W

Idle (no signal) . . . . . . . . . . . . . . . . . . . . . . . . . . 53W

33W

53W

33W

1/8 max power, 25V. . . . . . . . . . . . . . . . . . . . . . 175W

105W

97W

58W

1/8 max power, 70V. . . . . . . . . . . . . . . . . . . . . . 135W

77W

94W

55W

1/8 max power, 100V. . . . . . . . . . . . . . . . . . . . . 135W

77W

95W

55W

1/8 max power, 8 Ohm. . . . . . . . . . . . . . . . . . . . 145W

85W

97W

59W

1/8 max power, 4 Ohm. . . . . . . . . . . . . . . . . . . . 181W

119W

112W

67W

1/8 max power, 2 Ohm. . . . . . . . . . . . . . . . . . . . 230W

133W

142W

82W

AC Mains Current Draw

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

Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94mA

94mA

Standby mode. . . . . . . . . . . . . . . . . . . . . . . . . . . 0.27A

0.2A

0.27A

0.2A

Idle (no signal) . . . . . . . . . . . . . . . . . . . . . . . . . . 0.50A

0.35A

0.50A

0.35A

1/8 max power, 25V. . . . . . . . . . . . . . . . . . . . . . 1.7A

0.96A

0.86A

0.54A

1/8 max power, 70V. . . . . . . . . . . . . . . . . . . . . . 1.18A

0.7A

0.83A

0.52A

1/8 max power, 100V. . . . . . . . . . . . . . . . . . . . . 1.18A

0.7A

0.83A

0.52A

1/8 max power, 8 Ohm. . . . . . . . . . . . . . . . . . . . 1.28A

0.76A

0.85A

0.55A

1/8 max power, 4 Ohm. . . . . . . . . . . . . . . . . . . . 1.72A

0.96A

0.98A

0.61A

1/8 max power, 2 Ohm. . . . . . . . . . . . . . . . . . . . 2.2A

1.16A

1.24A

0.76A

Thermal Dissipation

in BTU/hour with typical input, all channels driven, 120VAC, nXp models used for worst case

Sleep mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.14

2.14

Standby mode . . . . . . . . . . . . . . . . . . . . . . . . . . 86.4

86.4

Idle (no signal) . . . . . . . . . . . . . . . . . . . . . . . . . . 180

112

180

112

1/8 max power, 25V. . . . . . . . . . . . . . . . . . . . . . 340

230

202

134

1/8 max power, 70V. . . . . . . . . . . . . . . . . . . . . . 204

134

192

123

1/8 max power, 100V. . . . . . . . . . . . . . . . . . . . . 204

134

196

123

1/8 max power, 8 Ohm. . . . . . . . . . . . . . . . . . . . 238

202

1/8 max power, 4 Ohm. . . . . . . . . . . . . . . . . . . . 360

247

253

164

1/8 max power, 2 Ohm. . . . . . . . . . . . . . . . . . . . 505

325

355

215

Input Sensitivity -

in Volts and dBu,

per back panel DIP Switch gain and Output Mode settings, per model, 0dBu = 0.775V rms

Low-Z (150W) Low-Z (75W)

25V (all)

70V (all)

100V (all)

@26dB gain

0.87V (+1.0dBu) 0.61V (-2.1dBu)

1.25V (+4.2dBu) 3.5V (+13dBu)

5.0V (+16dBu)

@32dB gain

0.43V (-5.1dBu)

0.31V (-8.0dBu)

0.63V (-1.8dBu)

1.8V (+7.3dBu)

2.5V (+10dBu)

@38dB gain

0.22V (-11dBu)

0.15V (-14dBu)

0.31V (-8.0dBu)

0.88V (+1.1dBu) 1.3V (+4.5dBu)

@1.4V gain

1.4V (+5.1dBu)

Содержание nX1502

Страница 1: ...com All Trademarks referred to herein are the property of their respective owners 2016 Ashly Audio Inc All rights reserved worldwide Operating Manual NX 150W 75W Amplifiers nX Base Models nX1504 nX150...

Страница 2: ...convenience receptacles and the point where they exit from the apparatus 12 Only use attachments accessories specified by the manufac turer 13 Use only with the cart stand tripod bracket or table spec...

Страница 3: ...er to the following OSHA table for safe noise exposure limits and always take precautions to avoid excessive exposure to loud environments Sound level dBA slow response Maximum Dura tion Hours per day...

Страница 4: ...7 2 Digital Network Audio Option 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 p15 51 are NOT included in the pr...

Страница 5: ...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 Inline RS 232 Adapter 47 11 9...

Страница 6: ...ock connectors on all inputs and outputs Remote DC level control per channel Detachable AC mains line cord connector with automatic 120V 240V select Continuously variable cooling fan Amplifier protect...

Страница 7: ...try connecting the shield only to the input pin and leave the input ground pin floating Avoid running low level signal wires in close proximity or parallel to long speaker cables AC power cables or po...

Страница 8: ...t unconnected to ground as the added line capacitance will degrade the data signal Maximum data cable distance is 1 000 ft 305m 2 5 Aux Output Wiring nXe and nXp only The aux outputs are pseudo balanc...

Страница 9: ...safe temperature 100 critical temperature will shut down the amplifier but allow the fan to still run Power Limit Protection To protect internal components from excessive output power conditions a pro...

Страница 10: ...er by selecting disable mode from this switch or from software Sleep Mode Status Indicator The blue sleep LED will turn on during the mode selection process whenever sleep mode would be enabled upon r...

Страница 11: ...urn the amplifier to normal operation Note that on all models a fixed amplifier turn on delay of three seconds is necessary to manage in rush current during power up or waking from sleep Sleep mode ha...

Страница 12: ...ources can be shared This feature can be disabled in software section 9 4a 5 4 Channel Attenuators These control the input signal level to the amplifier and work in conjunction with the remote DC fade...

Страница 13: ...dicated by the loss of a normally present heartbeat signal where the output continuously toggles between 0V and 5V at a 1Hz rate The normal heartbeat signal on each fault pin is interrupted whenever a...

Страница 14: ...ress If the only option is to use an Ethernet switch instead of a router and communications problems remain which cannot be solved with the use of the link local standard each device can have a static...

Страница 15: ...aNet Dante and AES3 are currently available AVB network audio will be available in the future Note The user can find and verify a live device on the network by right clicking over the unit s name or i...

Страница 16: ...lly 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 retries server tim...

Страница 17: ...fiers with 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 imped ance across its frequen...

Страница 18: ...e Software 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 pe...

Страница 19: ...ut or matrix mixer DSP functions on any channel When removed audio is passed directly through the stage that has been disabled 9 3 nX Preset Options Menu The preset options menu in the main device win...

Страница 20: ...power switch blinks when in standby Power Switch Level Control Enabled Disabled This disables both the front panel power switch and the rear panel level controls Note When disabled all level controls...

Страница 21: ...re protection Offset 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...

Страница 22: ...the Save Changes button 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 full acc...

Страница 23: ...ck 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 in the DSP tab Increasing the nu...

Страница 24: ...er the signal level drops below threshold Link Group Group to which all parameters are assigned for simultaneous adjustment to multiple limiters Show Meter On Graph Checkbox Overlays the input output...

Страница 25: ...or cut a signal to a user defined target level The target level is the primary setting in the autoleveler as it determines the constant level to which an input is boost or cut The autoleveler can be u...

Страница 26: ...o a specific 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 chan...

Страница 27: ...pen the gate and allow signal 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...

Страница 28: ...utomatically 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 Sets t...

Страница 29: ...noise com pensation 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 that the ANC applies to the program audi...

Страница 30: ...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 choose...

Страница 31: ...s can be returned to nominal by pressing Ctrl Click on the fader knob A course EQ curve can be drawn quickly by left clicking and drag ging across the EQ frequency response display Multiple graphic eq...

Страница 32: ...ilter in engaged Red filter out disengaged Filter Type Selected filter type The types are Parametric Symmetric boost cut allowing individual adjustment of center frequency level and bandwidth High She...

Страница 33: ...edback 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 and the adjust the bandwidth as narro...

Страница 34: ...der to allow the DSP power necessary for the FBS Filter Parameters Filter number Current active filter highlighted Filter In Out Green filter in engaged Red filter out disengaged Filter Lock Locks fil...

Страница 35: ...er in the presence of a prolonged feedback tone with very little background noise The optimal setting of the sensitivity control depends on both the spectral content of the audio program how much the...

Страница 36: ...the Low Pass Filter determines the upper frequency limit Be careful not to accidentally send low frequency signals to high frequency drivers Check the loudspeaker specifications to determine a safe op...

Страница 37: ...of 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 satis...

Страница 38: ...s Temperature Local temperature used to calculate the speed of sound though air and thus the distance corresponding to the delay time Link Group The link group to which the delay s parameters will be...

Страница 39: ...the auto manual mixer This does not light the front panel mute LED Auto Button Selects the mixer input channel as an automixer channel when pressed in versus a manual mixer channel when pressed out Ma...

Страница 40: ...tent final mix level without feedback as channel gains are automatically changing 3 A gain sharing automixer is easier to setup and adjust without the need for threshold attack release depth and numbe...

Страница 41: ...ol settings Up to 100 events can be scheduled All event schedule data is stored in the amplifier A common use of the event scheduler would be for programmable energy ef ficiency Schedule the amp to go...

Страница 42: ...he amp from standby mode open the STBY switch Remote standby is unavailable on nX models 2 Remote Control Standby Using software control surface nXe or nXp amplifiers can also be put into standby mode...

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

Страница 44: ...associated 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...

Страница 45: ...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 Level Control all models preset recall on nXe and nXp models only The WR 1 5 has a...

Страница 46: ...as earth ground WR 5 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 pres...

Страница 47: ...the closing of a switch wired to the lock out Euroblock renders all buttons inactive 11 7 FR 8 and FR 16 Networked Fader Controller nXp only The FR 8 and FR 16 are Ethernet based remote fader control...

Страница 48: ...U 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 will be muted See Erro...

Страница 49: ...rs with CobraNet installed Each receiver can receive one CobraNet bundle selected by the user It is not necessary to use all receivers Depending on how audio is sent from the CobraNet transmitter a si...

Страница 50: ...Configuration 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 indi...

Страница 51: ...integrated into a Dante digital audio system by purchasing our OPTDante module as a factory installed option and controlled using Proteane software Dante Controller shown to right Configuration of Dan...

Страница 52: ...d or excessive output power and treatments for DC power supply voltage irregularities 2 Has the amp shut down fan stopped with protect sleep and power switch LEDs all on If so this indicates a critica...

Страница 53: ...g events Remote Control Troubleshooting WR 5 or RD 8C Doesn t Work Properly 1 Is the remote wired correctly to the amplifier data connector 2 If the WR 5 is the last one in series even if it is the on...

Страница 54: ...wer 4 Ohm 181W 119W 112W 67W 1 8 max power 2 Ohm 230W 133W 142W 82W AC Mains Current Draw Typical input all channels driven 120VAC divide in half for 240V nXp models used Sleep mode 94mA 94mA 94mA 94m...

Страница 55: ...eset Recall Contact Closure Pins 1 4 Euroblock 3 5mm close contact pin to Ground for preset 1 4 recall Data Connector for Ashly WR 5 RD 8C RS 232 adapter Euroblock 3 5mm Gnd 18V Data Out Data In AUX O...

Страница 56: ...king Depth 0dB to 30dB Enable Ducking at Matrix Mixer Yes Metering Input Gate Threshold 80dBu to 20dBu Range off 100dB to 0dB Attack 0 2ms dB to 50ms dB Release 5ms dB to 1000ms dB Metering Key Signal...

Страница 57: ...ent Parameters time ms distance ft m Temperature Adjust 22 F to 122 F 30 C to 50 C Maximum Time and Distance 48kHz Sample Rate 72 F Speaker Delay 0 21ms 24ft 7 3m Delay 0 682ms 771ft 235m Maximum Time...

Страница 58: ...rranty gives you specific legal rights and you may also have other rights which vary from state to state EXCLUSIONS This warranty does not apply in the event of misuse neglect or as a result of unauth...

Страница 59: ...59 Operating Manual nX nXe and nXp 150W 75W Power Amplifiers 17 nX nXe and nXp BLOCK DIAGRAMS...

Страница 60: ...USA Phone 585 872 0010 Fax 585 872 0739 Toll Free 800 828 6308 www ashly com Printed in USA nXa 0616 2016 Ashly Audio Inc All rights reserved worldwide Ashly Audio is a division of Jam Industries Ltd...

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