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Spec Op Features |
About Spec Op |
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• 100 watts (4 x “Winged C” EL34’s and 7 x Selected 12AX7’s)
• 2 fully independent channels (Channel 1 - Clean/Channel 2 - Crunch) • Both Channels feature Volume, Gain, Bass, Middle, Treble, Presence • Dual Volume/Gain Channel 2 (switchable, allows for two gain settings with 2 volumes for level adjustment to match volumes) • Foot selectable boost switch with tube-driven boost (boosts clean channel and both volume/gain controls on crunch channel). Boost is adjustable from the front panel for approx. 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 the footswitch controller for controlling through tip to ground control mechanisms as an alternate to the footswitch controller. • 110v, 120v, 220v and 230/240v output selection. • Ohm selector switch for 4, 8 or 16ohm output. • Blue LED's light the box for a distinctive look on stage, along with a stainless steel front grille and stainless steel logo. • All components specifically spec'd and tested by Diamond before inclusion in the product. • Independent LED's indicate which volume/gain is active and whether the boost is engaged. • Properly designed, tube-driven effects loop (shorting jack so the loop will automatically engage when cables are plugged in and disengage when cables are removed). • Front panel Effects Return control that acts as an overall master when loop is engaged for quick overall volume adjustment.  |
 (Roll over the amp to turn it on.) The Spec Op features a clean channel and two distinct high gain settings in Channel 2. The clean channel has the controls you want and need: Volume, Gain, Bass, Middle, Treble, Presence. The clean channel has gotten DA rave reviews from the players. It provides you full, round and rich clean tones not customary in high-gain heads with enough headroom to give you vintage/classic rock tones and everything in between.  The crunch channel is voiced for a more modern, organic and open crunch sound than traditional high-gain amps. This channel will provide you all the gain you can want but without the extra saturation traditional in high-gain voicings. The result is an extremely thick, updated gain tone responsive to the direction of newer guitar sounds while also providing rich harmonics and significant clarity in each of the notes.  The crunch channel is voiced for a more modern, organic and open crunch sound than traditional high-gain amps. This channel will provide you all the gain you can want but without the extra saturation traditional in high-gain voicings. The result is an extremely thick, updated gain tone responsive to the direction of newer guitar sounds while also providing rich harmonics and significant clarity in each of the notes. Channel 2 gives you all the same controls as the clean channel with an added benefit - a second set of volume and gain controls! This feature gives the player the option of having two gain settings (say more gain for chunky heavy gain-style rhythms and less gain for more precision and clarity when playing more staccato style passages) that are accessible to him on the fly. The corresponding volume controls for Gain A and Gain B allow the player to balance the volumes between the two gain controls so you can ensure that switching between Gain A and Gain B does not increase or decrease your overall volume. Conversely, you can adjust the volumes to do just that - increase or decrease overall volume when switching from Gain A to Gain B or vice versa. Both gain controls sweep the same gain stage so there is none of this less and more gain stuff resulting in a channel you will never use. Simply, you get as much or as little gain as you want or need out of Gain A and Gain B. The Spec Op features DA's signature "low focus" switch on the rear panel. The low focus switch provides 3 positions - low, mid, high. Moving from low to high focuses the low end relative to the mids and highs as well as creates an evenness across all the strings to the high E is not overrung by the low E. To top it off, we have added an adjustable, switchable boost that overrides Channel 1, Channel 2A and Channel 2B. When the boost is on, you can dial in approximately a 0 to 20db boost over all three settings allowing you to choose any of your 3 settings and switch on the boost to give you the extra volume you need for leads or lead passages. The Spec Op also features a real, correctly-designed effects loop. You do not need a foot switch; you do not have to push a button. Just plug a cable into the effects send and the loop activates. The loop is tube buffered and will not affect your tone. The front panel features a master volume, which reads E. Return (effects return). When the loop is on, the E. Return knob acts as the amp's overall master (turn this knob up or down to increase or decrease the amps overall volume) and the volume control for each channel acts as the effects send level control. When the loop is off, each channel's volume control acts as that channel's master volume. Like all current and future Diamond Amplification products, the Decada features the highest quality components and construction. Every component was selected and tested for this head. The Decada features 7 selected 12AX7 preamp tubes and 4 Winged-C EL34's for its power stage. Each part was personally spec'd and tested by us to ensure maximum performance and reliability, from the transformers to the switches and knobs. All channels and the boost can be accessed by the supplied 4-button footswitch. The footswitch is connected via an XLR cable so a single control cable runs from your controller to the amp. Three 1/4" jacks are also tied to the footswitch controls on the back panel allowing you to control the Spec Op from any device that provides for 1/4" tip to ground switching. For maximum versatility, DA also offers its new MAC-2 (designed in conjunction with RJM Music). The MAC-2 is a half rack space MIDI interface box that allows you to control your head with any standard MIDI pedal. Check it out on its product page! If you really want to open up your options, try a custom designed switching system from Custom Audio Electronic's proprietor Bob Bradshaw. For more info: www.customaudioelectronics.com  |
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Spec Op Cabinet Features |
About Spec Op Cabinet |
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• All cabinets are hand made • 4 x 12 (2 Celestion V30 and 2 Celestion G12H Anniversary speakers) • 8ohms • Baltic Birch construction • Stainless steel grille to match amp and for maximum protection • Substantially upgraded casters, each with 220lb load rating attached with easy to use quick change plates • Constructed for maximum durability and tone |
SPEC OP 4x12 CAB: Custom engineered for optimum sonic response, the Spec Op 4x12 is hand crafted from 11-ply Baltic Birch and built as rugged as the head. Sealed and resealed, these cabinets provide the tightest, clearest sound on the market with massive low end. Airspace is precision optimized to ensure the best sonic response and efficiency from the speakers.
Diamond cabinets are exclusively powered by Celestion speakers, which have set the benchmark of tone and reliability (2 of the most important things to us and you!) for decades now. The Decada cabinet contains 4 Celestion Vintage-30 speakers. Cabs feature a stainless steel perforated metal grille and the highest quality components, including substantially upgraded 220lb load rated casters with quick-change plates. Wired to 8 ohms. SPEC OP 2x12 CAB: Made to the same quality as the 4x12, the 2x12 offers 2 x Celestion V30’s wired to 16 ohms. Comes with edge-lift handles and casters with quick-change plates. Stainless steel perforated grille.  |
