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Instruction and Installation Manual

Megalith

Gladius

The Deuce

Draconia

Minilith

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Содержание Draconia

Страница 1: ...Instruction and Installation Manual Megalith Gladius The Deuce Draconia Minilith...

Страница 2: ...uired crossovers and equalizers they had to be outboard units again of dubious design and audio quality oday s amplifiers normally contain crossovers and equalizers with variable controls which allow...

Страница 3: ...llation Procedures Pages 2 and 3 Technical talk Pages 4 to 8 Specifications Page 9 and 10 Mono Block Installations Pages 11 to 16 Two channel Installations Pages 17 to 21 Four channel Installations Pa...

Страница 4: ...ain pre amplifier passed through equalization circuits possible compressors limiters or other processing gear and then mixed with all the other tracks In analog days and today still this signal was se...

Страница 5: ...ole You will also notice that the top covers are packaged separately and these are only bolted on once the amplifier has been screwed down Using the supplied washer set bolt the amplifier into positio...

Страница 6: ...machine bolt and nut rather than a self tapper The torque that the machine bolt can exert is greater than that of a self tapper and due to the large currents flowing through this ground connection th...

Страница 7: ...rawn by a particular amplifier would drain a fully charged 1 Farad capacitor almost instantly Consider the theory Energy Joules Power Watts x Time Seconds The energy in a 1 Farad capacitor 0 5CV V 0 5...

Страница 8: ...output voltage from the head will approach 1 volt on musical peaks Let assume we have an amplifier of 100 watts This implies that we can deliver 20 volts across a 4 ohm load Let us assume that the amp...

Страница 9: ...e very small indeed Certainly less than 0 1 ohms Whoa look what has happened the EFFECTIVE DAMPING FACTOR has been reduced from 1000 to 40 by just taking into account those pesky unavoidable contact r...

Страница 10: ...e with local feedback This allows us to design an amplifier with lower open loop gain and thus we only have to apply about 8dB of global feedback Ultra low THD was not our goal but rather an amplifier...

Страница 11: ...ep slope high pass filters Swith a frequency range between 10 to 50Hz Their only function is to filter out those frequencies which lie below audibility The woofer s cone will not flop around as it doe...

Страница 12: ...at 2KHz 80dB 80dB 80dB Damping Factor at 20Hz with 4 ohms 180 200 180 Total Harmonic Distortion with 4 ohm 20Hz 20KHz From 1 watt to rated power Typically less than 0 05 0 08 0 08 0 08 Intermodulation...

Страница 13: ...Response at 1 watt into 4 ohms channel 11 150Hz 3dB 11 150Hz 3dB Frequency Response at rated power into 4 ohms channel 11 150Hz 3dB 11 150Hz 3dB15 Input Voltage range for rated power into 4 ohms 0 22...

Страница 14: ...supply to the speaker How the valve is varied depends on the class of amplifier In this case we use a Pulse Width Modulated system Class D Any voltage fluctuations on the power supply rails will manif...

Страница 15: ...h and due to the circuit design the main power transformer of which there are two in Megalith has it s design greatly simplified Less turns are required which means lower copper losses and we can mini...

Страница 16: ...s incorporated because we feel that it gives the installer more control than a simple bass control The remote port allows the signal level to be varied from the dash area of the vehicle Two Megaliths...

Страница 17: ...manual Mono Output 1 Set MODE switch to NORMAL position 2 Set Parametric Eq to suit 3 Set Low Pass crossover to 240Hz if the head s internal Low Pass crossover is used OR set as required and set the...

Страница 18: ...Notes Make sure Interconnect GROUND is from spk to spk ONLY Do NOT use less than a 2 ohm load in BRIDGE mode Fuse each amplifier separately Alternative input connections may be made as per Figure 4 No...

Страница 19: ...800 mfd of capacitance whilst The Deuce has 8 ultra high current Mosfets with 22 000 mfd Each Mosfet in Gladius is limited to a maximum current of 9 amps and in The Deuce to 18 amps The same extensive...

Страница 20: ...Set the Routing switch to suit the speakers being used 2 Set the Low or High pass crossovers to suit the speakers being used 3 If the ROUTING switch is set to flat then the low and high pass crossover...

Страница 21: ...will bypass ALL controls except the Level control This is the purest signal path 7 The MONO SIGNAL SOURCE is not necessarily the head unit Page 19 Mono signal source Y Adaptor Minimum speaker impedanc...

Страница 22: ...signal path and all other controls switches are inoperative except for the LEVEL control recommended Fig 8 3 5K 1 2K 670 190 85 63 46 3 5K 1 2K 670 190 85 63 46 LOW LOW PASS PASS HIGH HIGH PASS PASS L...

Страница 23: ...mp 1 s crossovers set the split between LP and BP Amp 2 s crossovers set the split between BP and HP Fig 9 3 5K 1 2K 670 190 85 63 46 3 5K 1 2K 670 190 85 63 46 LOW LOW PASS PASS HIGH HIGH PASS PASS L...

Страница 24: ...we could have put in multitudes of switches and controls just for the sake of having lots of toys on the front panel we opted for a system which allows maximum flexibility without being overly comple...

Страница 25: ...ical systems are shown after this section Both sets of level controls allow the use of a wide range of input levels from 0 26v to 8v Fig 10 To power amplifiers Ch s 1 2 3 4 LP HP FLAT LP BP MIX HP FLA...

Страница 26: ...ver to 3 5KHz and this removes the LP crossover of Draconia from the pass band 5 The sub amp chosen can be either Megalith Minilith Gladius The Deuce or Draconia Which ever is chosen please refer to t...

Страница 27: ...ode it is a good idea to set the MODE switch to the DIRECT position and thus all pre amplifier functions are bypassed except for the level control This allows for the purest signal path 7 Please refer...

Страница 28: ...e tri amplified system It only performs the high pass and bandpass midrange functions in a TWO CHANNEL FORMAT To sub woofer amplifier 3K5 3K5 1K2 1K2 670 670 190 190 85 85 63 63 46 46 HIGH HIGH PASS P...

Страница 29: ...bass circuits of Ch s 3 4 9 This low pass signal is fed to the level amplifiers of all four channels 10 All four channels thus have the same signal content a mono low pass signal 11 A woofer may be ru...

Страница 30: ...his signal level the better the subjective S N ratio is Protection LED comes on Remove speaker connections from amplifier Turn amplifier off for 5 seconds Turn on again if LED is off the problem is wi...

Страница 31: ...tory service under the terms of this warranty the purchaser must contact Zed Audio Corporation or an appointed service centre to obtain a Return Merchandise number which shall be issued by Zed Audio C...

Страница 32: ...ttached The product must be returned with a copy of the original sales invoice The full purchase price shall be refunded less the original freight amount For any damaged or missing parts on the amplif...

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