Dynacord DPA4245 4260 pwr sm

Page 2

MEASUREMENT SPECIFICATIONS: DPA power amplifiers complete appliance

Names of the individual printed board assemblies and their corresponding EDP numbers:

EDP numbers of the main boards
DPA 4245 DPA 4260
84 188 84 189

Board section Index
Main PCB 1

Su 1 PCB 4
LED PCB 3

Input-PCB (index 1) and Output-PCB (Index 2) are located on the printed board assembly 81340.

Measuring conditions, unless differently specified:

- measuring tolerance: X = liSdB
- measuring frequency: f = lkHz
- all stated levels refer to: U = 775mV (OdBu)
- level controls are set to their clockwise margin:
- XLR connector pin-assignment: PIN 1 = GROUND/SHIELD
PIN 2 = + INPUT
PIN 3 = - INPUT
- source impedance for the induction via the XLR-type connector: R(Q) = 50 ohms
- the AMPLIFIER PCB is provided with service connectors:
CNSl CNSZ CNRC
PIN Assigned to PIN Assigned to PIN Assigned to
1 -Vcc 1 LIM A Switch 1 LIM Out A
2 BIAS +A 2 -15V 2 LIM Out B
3 BIAS -A 3 LIM B Switch 3 Standby via RC
4 FAN Voltage 4 +15V 4 Standby LED
5 +Vcc 5 AGND 5 -Vss
6 BIAS +B 6 Speaker Out A 6 +Vss
7 BIAS -B 7 Relay/Protect 7 nc
8 Temp Heatsink 8 Speaker Out B 8 nc
- Pin-assignment of the power amplifiers output connector:
PIN Function Channel

l + pole of the 100V output and + pole of the 25V output

2 - pole of the 25V output and + pole of the 70V output

3 - pole of me 70V output and - pole of the 100V output B
4

5

+ pole Direct Output
- pole Direct Output

6,7 not assigned -
8 - pole Direct Output
9 + pole Direct Output
10 - pole of the 70V output and - pole of the 100V output A
ll - pole of the 25V output and + pole of the 70V output
12 + pole of the 100V output and + pole of the 25V output
Pin-assignment of the Power Remote connector: PIN 1 control voltage -

PIN 2 control voltage +