DD+3600

The DD+ / DQ+ series is designed for the most demanding live audio users in touring rigs. Three models with two and four channel offers range in power from 3600 to 10000 watts, all in 2 RU space chassis and 10 kg (22 lbs).

The DD+ / DQ+ models are based on Class D output circuit controlled by KIND modulator. The great advantages of this technology are: low heat dissipation, compact size, and KIND sonic integrity. Thanks to the high efficiency the DD+ / DQ+ series dramatically reduce power distribution demands compared to other class high power amplifiers.

In addition to higher power, the DD+ / DQ+ Series offers higher input voltage, multiple selectable input gains, and with the four channel models a very high power density.

The high efficient global power supply is regulated (R-SMPS), works anywhere in the world and offers PFC (Power Factor Correction). The regulated power supply easily deals with a very high variation in the AC mains voltage: it can drop by up to 20% below its nominal level e.g. to 180VAC instead of 230VAC without any loss of the amplifier’s rated output power.

DD+ / DQ+ Series incorporates comprehensive warning and protection features to safeguard the amplifier and all connected loudspeaker drivers. Front-panel indicators give clear warnings when any potential problems are detected. Protection measures are enabled only when critical thresholds are passed or at start-up. Additionally, a soft-start circuit limits initial current draw when amplifier is turned on. The complete protection / warning suite includes: Short circuit, open circuit, thermal, RF protection, mains over / lower voltage, on/off muting, DC fault shutdown, clip limiter. Under normal use these features are inaudible and all protection methods are independent for each channel. The L.S.C. protection constantly monitors the current at the amplifier’s output. When load’s current exceed the amplifier’s limit, the output voltage will be automatically re-adjusted to keep the output devices in a security condition. An additional circuit, with automatic reset, shut down the amplifier’s channel if a full short is made between a positive output and GND. The temperature management system sense the output devices temperature. In case of inadequate ventilation or overload, the hi-temp LED start to blinking and a level compensation process will be enabled. This protection safeguard the amplifier and prevent the definitive muting for overtemperature.

The cooling is front to back airflow. All DD+ / DQ+ models are built in the same chassis size, with common back panel layouts to facilitate easy racking and hookup.

The DD+ / DQ+ series comes with four (4) years warranty, and like any other KIND AUDIO amplifier is entirely thinked, designed, and handcrafted in ITALY.

• Compact power density: 10 kg – 2x4kW / 11.5kg – 4×2.5kW in a 2U chassis

• Compact and space saving 4 channels up to 10000 W – 2RU – 11.5 kg / 23.1 lb

• GREEN POWER: high efficiency means minimal operational cost of elettricity, power cable distributions demands and thermal emission (BTU)

• R-SMPS, regulated switchmode power supply with PFC for highest efficiency and improved audio performance

• Reference sound: Class D output circuit fixed frequency carefully designed for sonic transparency

• Channels pair bridgeable

• Multiple selectable input gains 26 – 29- 32 – 35 – 38 – 41 – 44dB

• Selectable low-freq. Filters (30Hz or 75Hz)

• Balanced Neutrik Combo™ (XLR, 1/4 TRS) and XLR Male Inputs per channel

• Neutrik Speakon™ (with Bi-Wiring connection) Outputs

• Recessed stepped level attenuators

• Temperature controlled variable speed fans, front to rear airflow

• Maintenance with front accessible dust filter

• Fully protected design against: power supply AC mains outside operating voltage range; limiter prevents hard clipped waveforms to reach loudspeakers; DC and infrasonic signal at the outputs; VHF (destructive non audible) high frequency signals at the outpus; Short circuit on the outputs with auto reset; Thermal stress and overload, mutes outputs when power devices reach 85 °C / 185 °F, with automatic reset.

• Craftsmen built in Galliate (NO), Italy

• Full four (4) years warranty

 

ModelDD+ 3600
General
Number of amplifier channels2
Total burst power all channels3600 W
Max output power single channelEIAJ test standard, 1 kHz, 1% THD
2 ohms1800 W
4 ohms1000 W
8 ohms550 W
Hi-Z 70 V (note 1)
Hi-Z 100 V (note 1)
Max output power bridgedEIAJ test standard, 1 kHz, 1% THD
4 ohms3600 W
8 ohms2000 W
Max output votage / current99 V / 42 A
Protection featuresShort Circuit Protection, Current-Clip Limiter, Voltage Clip Limiter, Temperature protection
Amplifier audio performance
Gain, selectable26 dB, 29 dB, 32 dB (factory set), 35 dB, 38 dB, 41dB, 44 dB
Input sensitivity @ 4 ohms1.59 V
Max input level20dBu
Frequency response20 Hz - 20 kHz (1 W @ 8 Ohm - +/- 0.5dB)
Noise (20 Hz - 20 kHz)>104 dBA
Output circuitryClass D
Input impedance 10k balanced
THD+N<0.3% from 1W to 0.5dB below clip (typically <0.1%)
Front panel
Indicators(LED) Active, Protect, Hi temp, DSP option, signal out -35 dB, -20 dB, -10 dB, Limiter
ControlsMains switch, Gain control (per channel)
MaintenanceRemovable dust filter holder
Rear panel
Audio signal input connectors (per channel)XLR male, XLR female combo jack 6.3 (balanced)
Loudspeakers output connectorsNeutrik Speakon NL4MD (per channel)
NetworkingData port hole for DSP option
AC mains cordset / chassis connectorSchuko CEE 7/7 16 A / Direct
Controls(switch) Gain, HPF, Link/Bridge, Analog or AES3
AC mains power
Power supplyUniversal regulated switch mode with PFC (Power Factor Correction)
Operating voltage100-240 V +/-10%, 50-60 Hz
Power factor correction>0.95 @ mains power >500 W
Current draw@ 230 V / @ 115 V
Idle0.6 A / 0.7 A
1/8 of max output power@ 4 ohms2.0 A / 3.4 A
1/4 of max output power@ 4 ohms3.3 A / 6.1 A
ThermalOperating temperature 0° - 40° C / 32° - 104° F
Dissipation and cooling Fan, continuosly variable speed, temperature and load current controlled, front to rear airflow
Idle220 BTU/h | 55 kcal/h
1/8 of max output power@ 4 ohms433 BTU/h | 109 kcal/h
1/4 of max output power@ 4 ohms646 BTU/h | 163 kcal/h
Chassis construction1.2 mm steel chassis with added 1.5mm steel front pannel and removable dust filter holder with rear support ears
DimensionsW 483 mm / 19", H 89 mm / 2 RU, D 455 mm / 17.9" from front mounting rails
Weight10 kg / 22lb
Note 1) 75Hz HPF enabled for this use
Note 2) Load tapped 1200 W
Note 3) Load tapped 800 W

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