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Technical and Safety Notices

Important Safety Instructions

1.

  Read these instructions.

2.

  Keep these instructions.

3.

  Heed all warnings.

4.

  Follow all instructions.

5.

  Do not use this apparatus near water.

6.

  Do not submerge the equipment in water or liquids. 

7.

    Do not use any aerosol spray, cleaner, disinfectant or 

fumigant on, near or into the equipment. 

8.

  Clean only with a dry cloth.

9.

    Do not block any ventilation opening. Install in accordance 

with the manufacturer’s instructions.

10.

   Do not install near any heat sources such as radiators, heat 

registers, stoves, or other apparatus (including amplifiers) 
that produce heat.

11.

   To reduce the risk of electrical shock, the power cord shall 

be connected to a mains socket outlet with a protective 
earthing connection.

12.

   Do not defeat the safety purpose of the polarized or 

grounding type plug. A polarized plug has two blades with 
one wider than the other. A grounding type plug has two 
blades and a third grounding prong. The wide blade or the 
third prong are provided for your safety. If the provided 
plug does not fit into your outlet, consult an electrician for 
replacement of the obsolete outlet.

13.

   Protect the power cord from being walked on or pinched 

particularly at plugs, convenience receptacles, and the 
point where they exit from the apparatus.

14.

   Do not unplug the unit by pulling on the cord, use the plug.

15.

   Only use attachments/accessories specified by the 

manufacturer.

16.

   Unplug this apparatus during lightning storms or when 

unused for long periods of time.

17.

   Refer all servicing to qualified service personnel. Servicing 

is required when the apparatus has been damaged in any 
way, such as power supply cord or plug is damaged, liquid 
has been spilled or objects have fallen into the apparatus, 
the apparatus has been exposed to rain or moisture, does 
not operate normally, or has been dropped.

18.

   The appliance coupler, or the AC Mains plug, is the AC 

mains disconnect device and shall remain readily accessible 
after installation. 

19.

  Adhere to all applicable, local codes.

20.

   Consult a licensed, professional engineer when any 

doubt or questions arise regarding a physical equipment 

installation.

Environmental Statement

This product complies with international 
directives, including but not limited to the 
Restriction of Hazardous Substances (RoHS) 
in electrical and electronic equipment, the 
Registration, Evaluation, Authorization and 
restriction of Chemicals (REACH) and the 

disposal of Waste Electrical and Electronic Equipment (WEEE). 
Consult your local waste disposal authority for guidance on 
how properly to recycle or dispose of this product.

Summary of Contents for DSA125X4

Page 1: ...INSTALLATION GUIDE USER MANUAL DSA125X4 Rev 20220706...

Page 2: ...vel of performance and in good operating condition Any damage to or unsatisfactory performance from these amplifiers caused by inadequate or failed input or output ancillaries may invalidate support w...

Page 3: ...particularly at plugs convenience receptacles and the point where they exit from the apparatus 14 Do not unplug the unit by pulling on the cord use the plug 15 Only use attachments accessories specifi...

Page 4: ...ation 5 Configuration 6 Connections 7 Operation 8 Specifications 2 Amplifier Overview Danley DSA125X4 amplifiers are half rack width 1U format power amplifiers that can drive both conventional low imp...

Page 5: ...iers are primarily intended for installation in an equipment rack but can also be under desk or wall mounted or used free standing They are fan cooled and must be installed such that ventilation apert...

Page 6: ...Shaded area defines ventilation space Diagram 1a Danley DSA two channel amplifier dimensions Shaded area defines ventilation space 44 mm 1 7 in 44 mm 1 7 in 220 mm 8 7 in 220 mm 8 7 in 213 mm 8 4 in 8...

Page 7: ...ier at all times Ventilation apertures are also located on the rear panel of the amplifier and must not be obstructed It is important to retain at least 80 mm 3 1 in free space for airflow behind the...

Page 8: ...unted using connecting plate hardware The adhesive rubber feet should also be used in these circumstances to minimise the possibility of vibration between the amplifier and mounting surface Wall and d...

Page 9: ...mplifier default LAN IP address is 192 168 64 100 Configure the laptop or desktop computer for a fixed IP address in the same IP range eg 192 168 64 10 with Subnet mask of 255 255 255 0 or prefix 24 a...

Page 10: ...ity option Adjust input gain Adjust zone volume Adjust zone volume Note When adjusting input gain the input level display should remain green If it displays red the input gain should be reduced 5 3 Co...

Page 11: ...b menus For all Output Tab menus the amplifier output under configuration is selected by highlighting one of the output identifiers 1 2 3 or 4 at the top of the display The Output Tab also enables Spe...

Page 12: ...d in Section 5 3 5 2 Select the appropriate zcp format speaker preset data file to import from either a Library or a computer folder The preset data will be applied to the selected amplifier output as...

Page 13: ...arameters adjust automatically in response to Crossover Gain high pass filter settings The Output Mode preset menu enables individual amplifier outputs to be switched off or configured for Lo Z or Hi...

Page 14: ...nder the Device menu The Backup Restore menu enables amplifier configuration data to be downloaded to an external archive and enables previously saved configuration files to be uploaded and adopted by...

Page 15: ...Gain Trim Gain Trim Gain Trim Input Sensitivity Input Gain Input Gain Input Selection Input Setup Zone Setup Routing Output Setup Output 1 Output 2 Output 3 Output 4 Zone Adjustment Parameters Speake...

Page 16: ...elect the zone to be configured The number of zones available and their channel format stereo or mono will depend on the amplifier model input setup and output mode Lo Z or Hi Z For example a two outp...

Page 17: ...in 8 has a low output impedance and is able to supply a maximum current of 10mA Note GPIO Pin 1 and Pin 3 both offer ground connections Pin 1 is connected directly to the amplifier chassis Pin 3 is co...

Page 18: ...ions Note Two output amplifier model connection sockets differ only in the deletion of channel 3 and channel 4 output connectors Digital Inputs Danley DSA amplifier S PDIF stereo digital audio input c...

Page 19: ...A amplifiers to a TCP IP network is described in Section 5 of this manual Cable Gauge Table Lo Z installations 0 5dB attenuation 4 8 loads Cable Gauge Table 70V Hi Z installations 1 0dB attenuation 20...

Page 20: ...e exclamation point printed next to the output terminals of the amplifiers is in addition to the CLASS 2 WIRING text intended to alert users to the risk of hazardous voltages Output connectors that co...

Page 21: ...ts Output Off No output signal present Green Signal present on one or more outputs Amber Signal limiting clipping on one or more outputs Red One or more channel pair is in overload protection mode Net...

Page 22: ...0Hz 20kHz 8 load THD N typical 0 05 20Hz 20kHz 8 load 3dB below rated power Frequency Response 20Hz 20kHz 0 0 25dB 8 load 3dB below rated power Protection Circuits Short circuit DC Undervoltage Temper...

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