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Introduction and Overview

2.1 Connections

Danley DSA signal input and output connections are 
accomplished via RCA Phono and Euroblock style connectors. 
A GPIO (General Purpose In/Out) Euroblock connector enables 
some amplifier functions to be controlled, and wireless or RJ45 
socket Ethernet network connection options are also provided.  

Danley DSA amplifiers have no mains power switch and are 
operational as soon as mains power is connected via the IEC 
60320 mains socket.

2.2 Network Features

Danley DSA amplifiers are TCP/IP network connected devices 
that require a wired or wireless network connection to access 
their configuration menus. The configuration menus are 
accessed via the Danley DSA Control web app interface and 
cover Input, Zone, Output and General Settings functions. The 
configuration menus are fully described in 

Section 4

 of this 

manual.

2.3 Dimensions

Danley DSA amplifier dimensions and features are illustrated 

in 

Diagrams 1a and 1b

. The amplifiers 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 apertures are not 
obstructed.

2.4 Firmware

This manual describes the features, functions and user 
interface of Danley DSA amplifiers running 

Firmware Version 

1.2.0.

 

It is strongly recommended that the firmware version 
installed in the amplifier in use is checked initially, and 
regularly thereafter. If updated firmware is available, 
the amplifier should be updated as a priority.

The firmware installed in the amplifier can be identified and 
updated  by selecting the 

Device

 option in the Control web 

app 

Settings Menu

. Firmware versions can be checked, and 

firmware downloaded, from the Danley DSA website:

3. Carton Contents

Danley DSA

 amplifiers are shipped in a cardboard carton 

containing the amplifier unit, a mains cable appropriate for the 
sales territory, an accessory pack, and a document pack. The full 
contents is listed below.

• Amplifier unit

 

• Mains power cable

 

• Input connector x 2

 

• GPIO socket connector

 

• Output connector x 1 or 2

 

• Adhesive rubber feet x 4

 

• Document pack

Содержание DSA125X4

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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