Diamond Decada Owner'S Manual Download Page 1 | Manualshive

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owner’s manual

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Summary of Contents for Decada

Page 1: ...owner s manual ...

Page 2: ...d will give you years of enjoyment if it is well maintained Before you begin remember learn your amp and you ll be in the best position to achieve the tones and performance you want So please take the time to read this manual Afterwards enjoy the finest in tone and American craftsmanship Diamond Amplification Jeff Diamant President CEO ...

Page 3: ...WER STANDBY 5 HALF POWER 5 DIALING IN 6 LOW FOCUS 7 EFFECTS LOOP 8 TONE VOLUME CONTROLS 9 BOOST 11 SWITCHING 12 FRONT PANEL SWITCHING 12 DECADA CONTROLLER 12 ALTERNATE SWITCHING JACKS 13 TUBES 14 TUBE LAYOUT 14 CHANGING REPLACING TUBES 14 DIAGNOSING TUBE PROBLEMS 15 CHANGING FUSES VOLTAGES WORKING WITH THE CORCOM 17 ...

Page 4: ...ontrols on crunch channel Boost is adjustable from the front panel for approximately 0 20db boost Rear panel low frequency 3 position adjustment switch allows for changing the amount and character of the bottom end effects both channels 4 switch foot controller for direct access to all three volume gain controls Channel 1 Channel 2A Channel 2B connected with a 5 pin XLR cable 3 x 1 4 jacks tied to...

Page 5: ...ions at the end of this manual on changing your corcom for other voltages Speakers Your DA product comes equipped with two speaker jacks Always ensure when connecting speakers that you use a high quality speaker cable Never use instrument cable to connect your amp to speakers and never put effects between your amp and speakers If you are using one speaker cabinet you can plug into either speaker j...

Page 6: ...blem When you plug into the loop return you re set When you do the E Return knob on the front panel becomes the power stage master volume more on this later If you are using for whatever reason your amp just for its preamp stage e g your amp s preamp stage will be feeding another power amp instead you should put a shorting jack into the Return jack You should also ensure that the E Return knob is ...

Page 7: ...mes when running through this Quick Start Guide please read the section s in this manual on the Effects Loop It will show you how to activate the Effects Loop allowing you to run your preamp channels much hotter but control volume through the E Return knob on the front panel For this quick start however plug a short patch cable in from Send to Return turn the E Return knob to a low setting around ...

Page 8: ...amp to warm up for several minutes before playing for optimal result You should always return the amp to standby before turning off to allow the amp to discharge voltage Doing this habitually will extend the life of your amp HALF POWER Your Decada also comes equipped with a Half Power switch which switches your output stage to triode rather than pentode operation This cuts your 100w amp to effecti...

Page 9: ...ing at the same volume level as your high E which is uncharacteristic of most high gain amps So you should find that you hear the separation between notes more than you ever have giving you the clarity punch and beef you ve been looking for The Mid position is a nice compromise between Low and High obviously right but with one advantage you will find a slight impact on the midrange of the amp givi...

Page 10: ... engaged you can heat up the preamp to drive the channel hotter while controlling the overall volume Let s do a test 1 Set your amp on Channel 2A 2 Set the Gain at 6 and the Volume at 4 It should be pretty loud 3 Now make sure the E Return control is set to 0 and plug a short patch cable into the loop jumping the Send to the Return When you play now you should hear nothing 4 Gently bring the E Ret...

Page 11: ...s hard as you could but the go kart just didn t want to go as fast as you wanted it to Well often those go karts came with some sort of governing device You can put the proverbial pedal to the metal but the kart will only go so fast So dime your gain But when it s not fast enough open up that governor by introducing some volume As you bring up the volume and heat up the channel mashing that gas pe...

Page 12: ...he high NOTE TO US METAL GUYS Don t be afraid of your mids All the crunch in the world is fine so long as the audience can hear us Take out too many mids and you ll get lost in the mix Keep your mids lower for that great metal edge but lower on this amp is still north of 3 Try the settings between 3 and 5 Of course if your metal sound of choice bears more resemblance to the metal tones of the 80 s...

Page 13: ...aving the volume in place Now pick any spot on the gain setting above at least 3 and varying the volume controls For a punchier rounder blues tone you ll find lower gain settings with high volume to be great For more break up bring the volume not quite as high but drive the gain more For classic rock tones try the gain knob anywhere from 6 8 and vary the volume control same principle high volume l...

Page 14: ...the differences in gain amount then experiment with both channels for your optimal settings BOOST Your boost feature works on both channels and both volume gain controls of Channel 2 It is a clean tube driven boost that gives you that little extra for your leads or lead passages The boost is designed to provide approximately a 0 to 20db boost volume only The boost is NOT an extra gain drive stage ...

Page 15: ...ch is connected through the use of a 5 pin XLR cable Note All 5 pins are active and so is the internal drain wire Simple XLR cables can NOT be used as extension cables Extension cables can be obtained from DA When you connect your footswitch and power on your amp it is normal to see 3 lights on Ch 2A Ch 2B Boost This is the normal state of these switches on power up So turn off the Boost switch an...

Page 16: ...switching functions e g the Diamond Amplification RJM Music MAC 2 a Bradshaw Custom Audio Electronics switching system an RJM Music Amp Gizmo a TC Electronic G System a GCX switching system or a simple latching footswitch The three jacks correspond exactly with the front panel switches To get the most of your amp if you re a MIDI kinda player we recommend our MAC 2 which will allow you to use thes...

Page 17: ...play frequently they can last longer NOTE While power tubes can simply and suddenly fail they generally degrade over time So while your tubes may be working they will not sound the same as they get older People often go years with the same power tubes and never replace them claiming Well they still work fine You can be assured that the amp however does not sound the same as it does with new functi...

Page 18: ...ly As power tubes are wired in pairs a failure of this nature in one tube can cause the other tube in the pair to fail with it If you encounter this problem as noted shut the amp down immediately Wait a few minutes and fire it back up If it happens again replace the tubes before using the amp again If not you should probably still replace the tubes soon but you should be able to operate the amp fo...

Page 19: ... is only on one channel or the other you ll know which tube is the problem If it s only on the clean channel it s tube V2 If it s on the crunch channel it is either V3 or V4 but most likely V3 NOTE V1 usually is the culprit Even if you don t hear it on both channels you should check V1 anyway Tube problems are much more dramatic on V1 than any other position When you think you have determined the ...

Page 20: ...DECADA owner s manual Page 17 of 18 CHANGING FUSES VOLTAGES WORKING WITH THE CORCOM ...

Page 21: ...Diamond Amplification Inc 5261 Langfield Rd Houston Texas 77040 713 934 0100 tel 713 934 0155 fax www diamondamplification com ...

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