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The new Audio 3-stage CLASS-H SMPS amplifiers incorporate all the features to meet all your needs, whether youʼre starting a P.A. amplifier project from scratch or just need to upgrade your present sound reinforcement equipment. In the amps, youʼll find 2 and 4 channel models, all offering high power levels at low distortion in the range 1.5 to 6 kW, yet weighing around 8.6 kg and only 30 cm deep.
- Model Name: SP2K4
- Output Power 1 kHz, 500
- Crosstalk (20 Hz - 20 kHz): > 75 dB
- Voltage Gain (selectable): 26/32/38 dB
- Input Sensitivity: 3.0 / 1.5 / 0.8 V
- Protection: 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 (Inteligent Clip Limiting), PMS (Power Management System), SSP (SOA Sentry Protection)
- Controls: On / Off Switch, Volume, Voltage Gain, Dual / Link Switchable, Bridge Mode Configuration Switch
- Indicators: Signal, Temperature, ICL (Inteligent Clip Limiting), PMS (Power Management System)
- Connectors:
- Input: 2 x XLR
- Line Output: 2 x XLR
- Speaker Output: 2 x Speakon
- Power Supply: 230 V - 50 Hz
- Dimensions (W x H x D): 483 × 88.9 × 310 mm
| 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)
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 |
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. |
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™ |
Crownʼs new CTs series of power amplifiers are remarkable for their loud, punchy sound; sustained, tight bass; and superior protection against overheating and overload. This paper explains the design features behind those advantages. After reading this information, youʼll know why Crown CTs amps sound better than the competition. CTs amplifiers can provide large amounts of power into various loads, such as 2, 4, 8 ohms and 70V. With most power amps, the maximum output power tends to drop as the load impedance increases. But with the CTs series, the power stays the same at almost any impedance. 2-ohm Dual (per Ch.) 250W 4-ohm Dual (per Ch.) 600W 8-ohm Dual (per Ch.) 600W 16-ohm Dual (per Ch.) 300W 70V Dual (per Ch.) 600W 4-ohm Bridge 500W 8-ohm Bridge 1200W 16-ohm Bridge 1200W 140V Bridge 1200W Crown switching power supply for less weight Sustained Power on long-duration signals due to regulated, "stiff” power supplies with incredible energy storage (huge filter capacitors). Extra Hidden Power during high-level transients and during incomplete use of all the channels. Overheating and overload protection thanks to the sophisticated TLC circuitry which compresses the signal only when needed. Compression is controlled not by temperature, but by signal voltage. This keeps the loudness up during compression more than with competitive amps. |
- Signal to Noise (20 Hz - 20 kHz): 100 dB - Input Sensitivity: 1.2 Vrms - Voltage Gain (8 Ohms): 34.4 dB - Output Circuitry: 2-tier Class H - Power Requirements: 6A - Frequency Response: 20 Hz - 20 kHz, +0, 1 dB - Dynamic Headroom (4 Ohms): 2 dB - Damping Factor: 100 - Input Impedance: Greater than 20k (balanced) - Maximum Input Level: +24 dB (16 Vrms) - Input Connectors (each channel): 3-pin XLR and 1/4-inch TRS, balanced, parallel Phono, unbalanced - Output Connectors (each channel): Speakon, 1/4-inch, Binding Posts - Amplifier and Load Protection: Short circuit, open circuit, thermal, RF protection Load protected against DC faults - Rear Panel Controls: Full Range / Crossover switch - Dimensions (H x W x D): 3.5 x 19 x 10.1 inches (89 mm x 483 mm x 257 mm) - Weight: 26 lbs (12 kg) Front Panel Controls and Indicators: - Gain controls, 21 detents - Red Clip LEDs, proportional, 0.1% THD threshold - Green Signal LEDs, threshold -35 dB - Blue Power LED, AC on Stereo Mode: - 8 Ohms / both channels driven: 500 Watts - 8 Ohms / single channel driven: 600 Watts - 4 Ohms / both channels driven: 700 Watts - 4 Ohms / single channel driven: 850 Watts Distortion: - 8 Ohms: less than 0.05% - 4 Ohms: less than 0.1% Dimensions and Weight in Packaging Shipping Weight: 31 lbs Shipping Dimensions: 24 x 15 x 7 in
| Solid DYNACORD amplifier technology at highly competitive prices.
These amplifiers offer high, stable power output and a high efficiency factor on the high performance level and are therefore the ideal choice for driving a multitude of mobile and club systems. SL series power amplifiers are equipped with a comprehensive protection package and dynamic limiters.
The integrated, switchable Low-Pass Notch filter (a typical DYNACORD special feature) corrects the frequency response and optimizes the transient behaviour of loudspeakers.
Maximum Midband Output Power, THD = 1%, 1 kHz, Dual Channel 2 Ω - 1250 W, 4 Ω - 900 W, 8 Ω - 550 W Maximum Single Channel Output Power, Dynamic-Headroom, IHF-A 2 Ω - 2450 W, 4 Ω - 1400 W, 8 Ω - 700 W Maximum Bridged Output Power, THD = 1%, 1 kHz 4 Ω - 2800 W, 8 Ω - 1800 W Input Sensitivity, rated power @ 8 Ω, 1 kHz +5.1 dBu (1.39 Vrms) Maximum Input Level +21 dBu (8.69 Vrms) Voltage Gain, ref. 1 kHz 32.0 dB Frequency Response, ref. 1 kHz 10 Hz...40 kHz (±1 dB) Output Stage Topology Class H Dimensions (W x H x D), mm 483 x 88.1 x 421.5 Weight 16.3 kg (35.9 lbs) | L1800 600W-600W 4ohm (360W-360W 8ohm)
COMPACT MODERN DESIGN
Compact size (2U-Rack Height) with up to 1200W per channel@2ohms
these amps save valuable rack space without compromising power output.
HIGH CURRENT TOROIDAL TRANSFORMER
A high-current toroidal transformer saves rack space
and minimizes hum and noise.
EXCELLENT SOUND QUALITY
The low T.H.D.(0.05%) and high damping factor (400 or higher)
gives excellent sound quality.
2 STAGE POWER SUPPLY
The high-power units (L1800 and L2400) have a 2-Stage Class-H design
that maximizes their performance.
EQUIPPED WITH 30Hz or 50Hz HPF
All amplifiers are equipped with high-pass filters on each channel to
help maintain sound quality, yet help protect the loudspeakers.
EXTENSIVE PROTECTION CIRCUITS
Extensive protection circuits monitor over voltage/current conditions, overheating,
output shorts, and DC voltage to improve performance and reliability.
CLIP-LIMITER CIRCUITS
Clip-limiters on each channel are provided to help prevent
distortion due to excessive signal levels.
L.E.D FUNCTION DISPLAYS
Power, Clip limiter, Signal, Protection, Mode (Parallel/Stereo/Bridged)
LEDs on the front panel indicate the status of the unit in operation. |
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