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DPA 6.4

 

 

PAGE 

4

 

 

CAUTION: 

READ THIS BEFORE OPERATING

 

Dynamic Precision DPA 6.4

.

 

1. 

Do not open the amplifier's cabinet as this might result in damage to the set, or electrical 
shock. 

2. 

To prevent lightning damage, pull out the power cord during an electrical storm. 

3. 

When removing the power plug from the wall outlet, always pull directly on the plug, never pull 
the cord itself. 

4. 

Do not use force when operating the switches. 

5. 

When moving the unit, be sure to first pull out the power plug and remove cords connected to 
other equipment. 

6. 

Do not attempt to clean the unit with chemical solvent as this might damage the finish. Use a 
clean dry cloth. 

7. 

Be sure to read the «Troubleshooting» section for advice on common operating errors before 
concluding that your unit is faulty. 

8. 

Keep this manual in a safe place for future reference. 

Summary of Contents for DPA 6.4

Page 1: ...USERS GUIDE STEREO POWER AMPLIFIER DPA 6 4...

Page 2: ...EX UNPACKING page 2 GENERAL INFORMATION page 3 SWITCHES AND INDICATORS page 5 CABLES AND CONNECTIONS page 6 PARALLEL MONO BRIDGING SET UP page 8 TROUBLESHOOTING page 10 TECHNICAL SPECIFICATIONS page 1...

Page 3: ...e best possible performance of the apparatus Please store the packing materials for later use When the apparatus is unpacked please check that it has not been exposed to any damage and that the packag...

Page 4: ...1 If using an ungrounded mains line please check the polarity on the mains plug to reduce common mode noise3 Turning on all apparatuses without connecting the signal cables When this is done measure t...

Page 5: ...lways pull directly on the plug never pull the cord itself 4 Do not use force when operating the switches 5 When moving the unit be sure to first pull out the power plug and remove cords connected to...

Page 6: ...peratures higher than 110 C measured on the cooling bracket 2 DC voltage on either input or output terminals 3 High frequency signals on either input or output terminals Note High frequency signals is...

Page 7: ...in phase Pin 3 signal anti phase DPA 6 4 also has a set of L and R channels XLR terminals male in parallel with the input terminals These terminals shall be used when paralleling L and R channels or...

Page 8: ...y signals could cause the amplifier to be loaded by high output currents that may increase the inter modulation and result in an audible reduction of the overall sound quality Unbalanced cables The DP...

Page 9: ...e power amplifier Loudspeaker plus Input signal Loudspeaker minus Figure 6 Bridging using a special cable Note Bridging will result in an output power four times higher than the single channel stereo...

Page 10: ...l mono connection using an XLR cable The loudspeakers must be equipped with separate connectors for the bass and treble sections Remember to remove the strap between the bass and treble sections on th...

Page 11: ...if DC is present on the signal source output 4a Check if the loudspeaker cables are partially short circuited or replace the cables 4b Ensure that the amplifier has at least 15 cm of free space on top...

Page 12: ...ONSE DC 800kHz 3dB DC 150kHz 0dB SLEW RATE Greater than 250V us DAMPING FACTOR 1000 DC 20kHz 8 SIGNAL NOISE RATIO Ref 250W 8 load 10Hz 80 kHz 109dB 22Hz 22kHz 119dB 10Hz CCIR QPK 109dB IEC A weighted...

Page 13: ...of this product please return it to the authorised dealer accompanied by a copy of the original purchase receipt and a brief description of the fault symptoms The purchaser is requested to leave their...

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