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The XM series multi-channel power amplifiers are ideal for theater, hall, and conference room installations. The lineup includes 80W × 4 and 180W × 4 models, meeting the needs of a wide variety of installed systems. The XM amplifiers are a compact 2U size and surprisingly lightweight, making them easy to handle and install. Switching power supplies deliver high output power while minimizing the unit's physical size. The XM series has monitor/remote jacks that allow external devices to be connected for status monitoring or control from a remote location.
Dimensions (W x H x D): 480 x 88 x 412 mm, Weight: 10 kg
Four high-power channels. Switchable stereo, parallel, or bridged operation. Versatile connectivity and high-pass filters for a variety of applications. Distribution drive capability for parallel multi-speakers systems (XM4180).
Monitor/Remote connector for remote monitoring and control.
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The I-Tech 4x3500HD amplifier is the industry's first high-powered tour sound amplifier featuring four inputs, Analog, AES3, and CobraNetTM, fully routable to any one of 4 outputs. Each channel features a complete compliment of OmniDriveHDTM Processing, including the acclaimed LevelMAXTM Limiter Suite, and support for linear phase FIR filters as used in the latest JBL V5 loudspeaker tunings. Combine that with Crown's patented Class-I technology delivering uncompromising power output across all four channels, and it's easy to see why the I-Tech 4x3500HD is the new flagship tour sound amplifier from Crown. | True Power Density | | Crown amplifiers run louder, longer, and with higher fidelity than competing amplifier designs. The I-Tech 4x3500HD is no exception, with four channels of patented Class-I technology packed into a compact 2U design. | | DriveCoreTM | | A culmination of nearly two decades of R&D in PWM and switch-mode amplification, DriveCoreTM is a Crown exclusive that combines hundreds of parts into one chip the size of a your fingertip, resulting in more efficiencies and unsurpassed reliability. | | 4 In/4 Out | | True flexibility, each amplifier is capable of independently driving up to four separate zones with a full suite of processing options on each channel. | | Omnidrive HD | | With the latest programmable studio-grade 32-bit Sharc® processors with enhanced SIMD architecture and a proprietary D/A output filter for improved signal-to-noise at least 6 dB quieter than outboard DSP, it's easy to see how the decade-long partnership between Crown and BSS continues to go beyond "what's possible" and into "what's next.“ | | Global PSU | | Universal power supply with Power Factor Correction technology adjusts to any frequency or mains voltage between 100-240VAC in a controlled manner - and in real time - so you can use it anywhere in the world and it will always deliver full power. | | Efficiency/Power/Weight | | When compared to traditional, non-switching amplifiers, the I-Tech HD series weighs an average of 50 lbs. (22.68 kg) less. Additionally, the patented Universal Power Supply with Power Factor Correction combined with the patented Class-I PWM output stage of the I-Tech 4x3500HD provides greater than 90% efficiency at full power from 100-240VAC. | | Warranty | | Crown offers a five-year, no-fault, fully transferable warranty on every new I-Tech HD series amplifier we make - an unsurpassed industry standard. |
| I-Tech 4x3500HD | DUAL | BRIDGED | | | | | 2-ohm | 2.7-ohm | 4-ohm | 8-ohm | 4-ohm | 8-ohm | 70VRMS | 100VRMS | |
20 Hz - 20 kHz
(All Channels Driven)
| 2100 | 2200 | 2400 | 1900 | 4200 | 4800 | 2100 | 2300 | |
20ms Burst
| 3500 | 3800 | 4000 | 2100 | 7000 | 6000 | | |
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The C 16:4 is one of two mid-power, four-channel amplifiers in the C Series family. Attractively packaged in a 2U chassis, it provides 4 × 400 W output into 4 ohm loads.
C Series amplifiers are uniquely capable of adapting to a wide variety of demanding load conditions. Each channel has an individually configurable Voltage Peak Limiter (VPL™), which allows the output to be optimized for any loudspeaker load – whether a single large subwoofer or a series of small 100/70 V loudspeakers. VPL works in combination with adjustable input gain to achieve maximum headroom regardless of input levels or output impedances.
Every C Series is ready for the NomadLink® network right out of the box. With NomadLink, key amplifier parameters are displayed via DeviceControl software, and remote control of channel mutes and power on/off is under network control.
Specifications C 16:4
General
Number of channels 4
Peak total output all channels driven 1600 W
Peak output voltage per channel 141 V
Max. output current per channel 8.5 Arms
Max. Output Power 16 ohms 8 ohms 4 ohms 2 ohms Hi-Z
Per ch. (all ch.’s driven) 400 W 400 W 300 W n.r. 400 W (70 Vrms / 100 V peak)
Bridged per ch. 800 W 600 W n.r. n.r. 800 W (140 Vrms / 200 V peak)
Performance with Gain: 35 dB and VPL: 100 V
THD 20 Hz - 20 kHz for 1 W 70 dB
Frequency response (1 W into 8 ohms) +0/-3 dB 6.8 Hz - 34.2 kHz
Input impedance 20 kOhm
Input Common Mode Rejection, CMR 50 dB
Output impedance @ 100 Hz 30 mOhm
Voltage Peak Limiter (VPL), max. peak output
VPL, selectable per ch. 3) 141, 118, 100, 85, 71, 59, 50, 42 V
VPL, selectable when bridged 3) 1) 282, 236, 200, 170, 142, 118, 100, 84 V
Voltage Peak Limiter mode (per ch.) Hard / Soft
Gain and Level
Amplifier gain selectable (all channels) 1)
– rear-panel switches
23, 26, 29, 32, 35, 38, 41, 44 dB
Default gain 35 dB
Level adjustment (per ch.) Front-panel potentiometer, 21 position detented from -inf to 0 dB, hidden behind security panel/dust filter grille
Connectors and switches
Input connectors (per ch.) 3-pin Phoenix, electronically balanced
Output connectors (per ch.) Barrier strip 2-pole screw terminals
Output bridge mode A+B and/or C+D, inputs A and C are input source
NomadLink® network On board, 2 x RJ45 connectors
Intelligent fans (on/off) Yes, depending on presence of output signal
Power on/off and Remote enable on/off Individual switches on front-panel
Cooling Two fans, front-to-rear airflow, temperature controlled speed
Front-panel indicators
Common NomadLink® Network; Power Average Limiter (PAL) 2); Power on
Per channel
Signal present / High-impedance; -10 dB and -4 dB output signal; Voltage Peak Limiter (VPL); Current Peak Limiter (CPL);
Very High Frequency (VHF); High Temperature; Fault; Mute
Power
Operating voltage, 230 V / 115 V nominal 130 -265 V / 65-135 V
Minimum power-up voltage, 230 V / 115 V 171 V / 85 V
Power Average Limiter (PAL) 2) Yes
Soft start / Inrush current draw Yes / max. 5 A
Mains connector 230 V CE: 16 A, CEE7; 115 V ETL: 20 A / NEMA 5-20P
Dimensions (W/H/D) W: 483 mm (19”), H: 88 mm (2 U), D: 343 mm (13.5”)
Weight 12 kg (26.4 lbs.)
Finish Black painted steel chassis with gray painted steel front
Approvals CE, ANSI/UL 60065 (ETL), CSA C22.2 NO. 60065, FCC
Note 1): Automatic -6 dB gain compensation when bridging channels. Ch.’s A+B and/or C+D, can be bridged individually.
Note 2): PAL can reduce the maximum output power to keep the power supply operating safely, and/or to prevent excessive current draw tripping the mains breaker.
Refer to Operation Manual.
Note 3): For sine waves, peak voltage output values translate to Vrms with the formula V/1.41 = Vrms. E.g. 100 V peak equals app. 70 Vrms.
Hence, outputs can be set for high-impedance loads without requiring a transformer.
All specifications are subject to change without notice.
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The S Series of RAM Audio amplifiers distils all these features to fulfill all your needs, whether youʼre starting a P.A. amplifier project from scratch, or you need to upgrade your present sound reinforcement equipment.
In the S Series amps, you'll find five 2-channel models and five 4-channel models, all offering plentiful power levels at low distortion in the range of 1.5 to 6 kilowatts, yet weighing in around 8 kilos and 30 cm deep.
• Ultra-compact and lightweight 2-U high
• Laser cut aluminum front panels with integrated carrying handles
• Neutrik® XLR input connectors, input and signal link in 2 channel models
• Input Link switch: allow daisy-chaining of the input signal
• Neutrik® Speakon® output connectors
• Detented sealed potentiometers for easy recall of volume settings
• ICL™, PMS™, Hi-temp, Signal indicators per channel
• Power on and Stand-by leds
• Highly versatile with multiple configuration and additional module options
• Full PC control via EtheRAM (with EtheRAM Control module)
• Switchable ICL™ clip-limiters per channel
• Switchable (30-50 Hz) sub-sonic highpass filter per channel
• Three-position gain selector (26, 32 or 38 dB)
• Dual or bridge mode selector
• Twin temperature controlled, back to front cooling fans
• Oversized power components (high SOA reserve specification)
Standard Signal Inputs Module: The S Series amps are equipped as standard with twin Neutrik® XLR, doubled by two other XLR connectors for linking purposes. In the 4 Channel models an XLR input per channel is provided with the signal linking facility.
Analog Processor Module: permits a very easy, user-friendly signal processing to enable the amp to set up a bi-amp system without any other outboard device. These are the Processor's main characteristics:
• 2-way stereo crossover (dual mono or single bridged sub output)
• 24dB/oct Linkwitz-Riley configurable crossover (90, 100 o 120Hz)
• Adjustable attenuation in the High-pass outputs (-3, -6 or -9dB)
• Adjustable Limiter, relative to Max. Output (-3, -6 or -9dB)
DSP44_S Module: Digital Signal Processor fully programmable through an USB port. These are the Processor's main characteristics:
• 4 Inputs/4 Outputs or 2 In/2 Out free route configurable.
• 24 bits/192 kHz 256x Oversampling Converters.
• Output Delay: 0 to 7.1 meters (20.69ms) per channel.
• XOver: Up to 48dB/oct Butterworth, Linkwitz-Riley and Bessel.
• EQ: 9 filters per channel (Parametric, Shelving, LP,HP,BP,SB).
• Gain, Mute and Phase inversion per channel.
• RMS Power and Peak Voltage output limiter per channel.
• Real Time operation from USB or front panel configuration.
Standard Signal Inputs Module
EtheRAM Control Module
Ethernet Audio Transport (Coming soon)
Analog Processor Module
DSP44_S Module
EtheRAM Control Module
AES/EBU Digital Input (Coming soon)
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OUTPUT POWER |
S-1500 |
S-2000 |
S-3000 |
S-4000 |
S-6000 |
S-3004 |
S-4004 |
S-4044 |
S-6004 |
S-6044 |
| 1kHz, 1.0% THD |
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| 2 ohms |
2x880W |
2x1190W |
2x1570W |
2x1950W |
2x2950W |
4x700W |
4x980W |
- |
4x1440W |
- |
| 4 ohms |
2x575W |
2x790W |
2x1100W |
2x1380W |
2x2025W |
4x500W |
4x670W |
4x975W |
4x1000W |
4x1480W |
| 8 ohms |
2x325W |
2x460W |
2x630W |
2x810W |
2x1250W |
4x300W |
4x430W |
4x690W |
4x620W |
4x1015W |
| Bridge @ 4ohms |
1760W |
2380W |
3140W |
3900W |
5900W |
2x1400W |
2x1960W |
- |
2x2880W |
- |
| Bridge @ 8ohms |
1150W |
1580W |
2200W |
2760W |
4050W |
2x1000W |
2x1340W |
2x1950W |
2x2000W |
2x2960W |
| P. N. 12dB C.F. |
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| 2 ohms |
2x975W |
2x1360W |
2x2060W |
2x2460W |
2x4225W |
4x890W |
4x1170W |
- |
4x2080W |
- |
| 4 ohms |
2x610W |
2x880W |
2x1240W |
2x1600W |
2x2600W |
4x580W |
4x820W |
4x1230W |
4x1280W |
4x2110W |
Frequency Response (power bandwidth ±0.25dB): 20Hz-20kHz
Phase Response (@1W 20Hz-20kHz): ±15deg
Total Harmonic Distortion (20Hz-20kHz): Intermodulation Distortion (SMPTE): Crosstalk (20Hz-20kHz): >75dB
Voltage Gain (selectable): 26/32/38 dB
Sensitivity: 1500:2.6/1.3/0.6V 2000:3.0/1.5/0.8V 3000:3.6/1.8/0.9V 4000:4.0/2.0/1.0V 6000:5.0/2.5/1.3V
3004:2.6/1.3/0.6V 4004:3.0/1.5/0.8V 4044:3.7/1.9/0.9V 6004:3.5/1.8/0.9V 6044:5.0/2.5/1.3V
Signal to noise ratio: 1500:112dB 2000:113dB 3000:115dB 4000:116dB 6000:118dB
3004:112dB 4004:113dB 4044:116dB 6004:116dB 6044:118dB
Required AC Mains (@4ohms 1/8 r.p.): 1500:4A 2000:4.8A 3000:6.2A 4000:7.5A 6000:10.5A
3004:6A 4004:7.5A 4044:11A 6004:10.5A 6044:15A
Dimensions (WxHxD): 483x88.9x310 mm - 19x3.5x12.2 inches
Weight (Net): 1500/2000: 8Kg - 17.6Lbs 3000/4000/3004/4004/4044: 8.5Kg-18.7Lbs 6000/6004/6044: 8.6Kg-18.9Lbs
Protections: Soft-start, Turn-on Turn-off transients, Muting at turn-on, Over-heating, DC, RF, Short-circuit, Open or mismatched loads, Overloaded power supply,ICL™, PMS™, SSP™ |
High-tech in professional amplification!
The fP 2400Q is a lightweight and space-saving four-channel power amplifier, ideal for
use in high quality touring sound systems as well as in demanding permanent installations.
The fP 2400Q offers a diverse choice of applications, such as: multi-channel monitor
systems, four-channel reproduction, and compact amplification in active 2-, 3-, and 4-way
systems.
The fP 2400Q makes possibile the bridge connection of one or two of the two pairs of
channels (channel A and B and/or channel C and D). It also features Lab.gruppen?s unique
power matching solution, the MLS switch, which offers endless combinations for solving
most of the problems related to varying impedances and maximum power capacities of
loudspeakers. The latest semiconductor technology is utilized in the new ferrite Power (fP)
amplifiers.
This, together with Lab.gruppen?s proprietary copper cooling system, Intercooler?, enhances
the 2 ohms capacity. Two easily accessible dust filters on the front ensure a clean front-to-rear
airflow. Additionally, a new Bi-phase wiring scheme also increases the capacity of the switch
mode power supply. This extends the power bandwidth in the low end.
Key Features:
4 x 370 watts @ 8 ?
4 x 380 watts @ 4 ?
4 x 500 watts @ 2 ?
(Measured just below clip level, with all 4 channels driven)
Light weight and compact: only 8.6 kg (19lbs), 2U high
MLS? Switch: Lab.gruppen?s unique power matching for different loads
New Features:
Replaces the LAB 1200C
Easily accessible dust filters
Improved low-end power bandwidth
Extruded front panel for increased stability
Besides the traditionally superb Lab.gruppen sonic performance, there is a full line of features
to make the fP family functional in all situations from installation to high performance live
sound systems:
Regulated switch mode power supply
Today there are many lightweight, switch-mode amplifiers in the market. However, the unique
Lab.gruppen switch-mode power supply technology offers a number of essential advantages
that make it superior to other and seemingly similar power supply designs. The most important
features are the regulated power supply and the extreme power efficiency. 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 180 V instead of 230 V ? without any problem. Perhaps even
greater benefits result from the extreme efficiency of Lab.gruppen amplifiers: only a fraction of the
energy from the AC mains is turned into heat.
A regulated power supply also presents some other sonic advantages, such as better cone control
and the same fast response as a conventional power supply.
Sophisticated protection circuitry, combining:
ALS? short circuit protection; the Adaptive Limiting System permits very high peak currents, but
keeps the amplifier within the Safe Operation Area
DC protection; protects against infrasonic signals
VHF protection; protects the loudspeakers against strong very high frequency non-musical signals
above the audible range
Thermal protection; prevents the amplifier from being overheated. The protection indicators on the front
panel are switched on, as a warning, before the protection process is initiated
AC protection; shuts down the power supply if the line voltage is outside the operating voltage
Clip limiter; prevents severely clipped waveforms from reaching the loudspeakers, whilst maintaining
full peak power. |
Model CT475
Product Type Amplifier
Channels 4
Sensitivity 1.4V
Rated Power Output 75W per Channel into 8 ohms
Signal to Noise Ratio (below rated power 20Hz to 20kHz, A-Weighted 110dB
Total Harmonic Distortion (THD) (full rated power, 20Hz - 20kHz)
Intermodular Distortion (from 0dB down to -40dB)
Frequency Response (at 1W into 4/8 ohms) ± 0.5dB
Crosstalk (below rated power 20Hz to 1kHz) > 70dB
Common Mode Rejection (20Hz to 1kHz) > 55dB, typically > 70dB
Dimension (H x W x D) 1.75" x 19" x 14.25“
Weight 10 lbs (4.5 kg)
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