ALLNIC AUDIO
A-2500
211/845 SINGLE-ENDED TRIODE
MONOBLOCK POWER AMPLIFIERS
OWNER’S MANUAL
Page 1: ...ALLNIC AUDIO A 2500 211 845 SINGLE ENDED TRIODE MONOBLOCK POWER AMPLIFIERS OWNER S MANUAL ...
Page 2: ... sound of this high quality device will be rewarded by its excellent operation for years to come Please read this entire manual before you connect the A 2500 SET Monoblocks to the other components of your system and the wall outlet Information and specifications for the Allnic Audio product described in this manual are subject to change without notice For a list of Allnic Audio distributers around...
Page 3: ...ectors 6 INITIAL SET UP Location Location Location Inputs Speaker Terminals Power Connection 6 INITIAL POWER ON 8 OPERATION 8 TUBES AND TUBE BIAS 8 SPECIFICATIONS 10 WARRANTY 10 FIGURES 11 Please read about SAFETY before you attempt to use the A 2500s we care about our customers and the equipment and we want you to enjoy this product for a long time ...
Page 4: ... feel the differences between these designs and other more conventional ones Please imagine as you listen to the A 2500s its sound compared to the sound of an amplifier using conventional for example 6SN7 6922 12AU7 or 12BH7s Fixed bias of both the 211 and 845 tubes for more power and less distortion Direct heated Vacuum Tube Rectification The A 2500s use a 5R4 full wave rectifier tube rather than...
Page 5: ...U Reduction of Hazardous Substances regulation compliant in construction and materials WHAT S IN THE BOX Please check that each shipping box contains the following One 1 Allnic A 2500 monoblock power amplifier NOTE the A 2500s are mirror imaged Each amp should be the mirror image of the other with the rectifier tubes on the right side on one and on the left side on the other One 1 15 amp IEC type ...
Page 6: ...OT cover the tops of the A 2500s DO NOT place the A 2500s on carpet or foam DO NOT subject the A 2500s to knocks and shocks as you move them around This advice is meant particularly for those who may want to place the A 2500s on some kind of after market isolation feet or similar devices Dropping one side of the A 2500s or the whole of a unit may cause damage and may void the warranty DO NOT place...
Page 7: ...e on the right and with the return connection labeled negative to the left facing the chassis rear Between the plus and minus terminals is a switch that provides for either 8 or 4 ohm impedance as your speakers may require The upper position of the switch is for 8 ohm operation the lower for 4 ohm operation 8 and 16 ohm terminals are available by special order The terminals accept bare wire not re...
Page 8: ...t start the A 2500s will be powered on After warm up and application of full plate voltage not all tubes may bias at the same rate Allow one or two minutes for all the tubes to reach full operating specification OPERATION When the power is on the current meter on the front of the chassis will illuminate See Figure 3 From this point on operation is straight forward When you are finished listening t...
Page 9: ...olding the fuse Replace the fuse push the fuse cap down and turn it clockwise it will lock itself If you have any questions about doing this please contact your Allnic dealer for assistance If the 5 0 Amp AC mains fuse located at the IEC input has failed it can be replaced with the spare fuse provided in the tray in the IEC mount Again if you have any questions about doing this please contact your...
Page 10: ...tection Tubes per chassis 211 845 X 1 power tube 6CM7 X 1 for 211 version 6DR7 X 1 for 845 version input stage 5R4 X 1 rectifier TUBES ARE NOT INTERCHANGEABLE BETWEEN 211 845 VERSIONS except 5R4 rectifier Dimensions W x D x H 440mm 17 3 inches x 370mm 14 6 inches X 260mm 10 3 inches Weight 20Kg 44 1 lbs net per monoblock 25Kg 55 lbs shipping weight per monoblock WARRANTY FOR WARRANTY SERVICE PLEAS...
Page 11: ...Audio or its authorized representative For the warranty to be valid a defective product must be returned to Allnic Audio s authorized representative for service prior to any unauthorized attempt to repair Any repair work on an Allnic Audio product not specifically authorized by Allnic Audio or its authorized representative will void the warranty on the product FIGURES NB The monoblocks are mirror ...
Page 12: ...12 Figure 2 A 2500 Rear View ...
Page 13: ...13 Figure 3 A 2500 Front View ...
Page 14: ...14 Figure 4 A 2500 Top View ...
