| Content | High-Tech in Professional Amplification!
The fP 3400 is a lightweight and space-saving power amplifier, ideal for use in
high quality touring sound systems as well as in demanding permanent installations.
Heat and cooling are fundamental problems in many extreme high power amplifiers
similar to the fP 3400.
In 1990, Lab.gruppen patented a high efficiency amplifier called fP 3400. This
development was an evolutionary step past the Class D amplifier. Lab.gruppen call
this unique step forward: Class TD. This stands for: Tracking Class D.
Class TD obtains the same high efficiency as Class D, while avoiding the main
drawbacks. Class D has a power-amplifier topology using Pulse Width Modulation
(PWM) to achieve high efficiency, but it needs a recovery filter between the output
stage and the loudspeaker.
Lab.gruppen?s Class TD amplifiers do not need this filter and this is one reason why
the Lab.gruppen Class TD obtains the same sonic quality as a traditional Class AB
amplifier.
Key Features
2 x 1100 watts @ 8 ?
2 x 1500 watts @ 4 ?
2 x 1700 watts @ 2 ?
(Measured just below clip level, with both channels driven)
Light weight and compact: only 10 kg (22 lbs), 2U high
MLS? Switch: Lab.gruppen?s unique power matching for different loads
Class TD design in flagship models (fP 6400 and fP 3400)
NEW FEATURES:
Replaces the LAB 2002
Multiple positions gain switch
Intercooler? cooling system with front-to-rear airflow and easily
accessible dust filters
Improved low-end power bandwidth
Link connector with XLR-type connector
Extruded front panel for increased stability
Bridged mono outputs in one SpeakOn connector
Besides the traditionally superb Lab.gruppen sonic performance, fP3400 offers a full line
of important features:
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 r
egulated 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.
Multiple positions Gain switch
To meet the demands for a flexible gain structure in the system, Lab.gruppen offers a multiple
position gain switch. The maximum amplifier gain can be set to all industry standards: 20, 23,
26, 29, 32, 35, 38 and 41 dB.
Sophisticated protection circuitry, combining:
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. |
Single digital (Class D) amplifier with switching power supply 1200W/70V/100V. Protection against overheating, overcurrent and short circuit output. Features & priority entry program (program override) for message playback emergency. Highpass filter OFF/200Hz/400Hz. Remote control function ON / OFF. Power Supply DC 24V, AC 220 ~ 240V 50/60Hz. |
XR Series - Intelligent Power
New Horizons.
A lightweight with enormous power output. Combined with digital signal processing.
That's what we call flexibility! Locally controlled or completely networked.
No matter what the requirements are.
The integrated powerful digital signal processor (DSP) and controller allows
for a troublefree and easy adjustment to any acoustical environment.
Wear-free digital potentiometers, sequential remote power on,
alive contacts for easy supervision, computer controlled monitoring -
its enless list of useful feature make it the right choice for any installation.
XR - the new definition of Intelligent Power
High Tech SMT Design
Digital Signal Processor
Excellent sound and superior impulse response
Protection Circuits: DC, LF, HF, Thermal, Short Circuit, Current Limiter, 3 ms Muting Delay
PHOENIX / Speakon
High-End Switched Power Supply with Power Factor Correction (not XR4000)
LED Indicators for SIGNAL, CLIP, PROTECT, POWER
Temperature controlled, variable speed low noise fans
Digital wear-free Volume Controls (can be operated manually)
Stereo / Bridged / Parallel Mode
Softstart
Sequential Remote Power On
Alive Contact
Paging Input
Monitor Output
SXL Dataport
Perfect Weight-to-Power ratio
3 Years Warranty
Technical Data:
XR 2500: 2x 1600 W @ 2 Ohm
2x 1250 W @ 4 Ohm
Class: H
Frequency Response:20 Hz - 20 kHz (0 / -0.3 dB)
THD: < 0.02%
Signal-to-Noise Ratio: < -106 dB
Channel Seperation: > 85 dB
Input Sensitivity: +6 dBu
Input Clipping: 22 dBu
Input Impedance: 20 kOhm
Damping Factor: 750 to 1200 @ 4 Ohm
Cooling: 4 Fans (temp. reg. variable speed)
Weight: 9 kg
Dimensions: 2 RU / 483 x 88 x 454 mm(19" x 3.5" x 17.9“) |
Power Rating
Stereo Mode:
8Ω EIA 1 kHz 1% THD - 800W
4Ω EIA 1 kHz 1% THD - 1250W
2Ω EIA 1 kHz 1% THD - 2000W
Bridged Mono:
8Ω EIA 1 kHz 1% THD - 2600W
4Ω EIA 1 kHz 1% THD - 4000W
Damping Factor Not Specified By Manufacturer
Input Sensitivity 26dB Setting - 3.92V
32dB Setting - 1.96V
Input Impedance > 10kΩ balanced, or unbalanced
Gain 36.4dB
Frequency Response 20Hz to 20kHz, +/- 0.2dB
Signal-to-Noise Ratio -105dB
Total Harmonic Distortion (THD) 0.02% @ 2Ω
0.005-0.01% @ 4Ω
0.002-0.01% @ 8Ω
Input Connections Input: XLR Male, XLR Female and 3-pin detachable terminal blocks (1 each per channel)
DataPort: HD-15, input signal in parallel with XLR input connectors
Output Connectors Output: Neutrik Speakon (ch 1 wired to both channels) and 5-way binding posts
Controls Front Panel AC Power Switch
Gain Controls, 21 detents, 1 dB steps (each channel)
Controls (Rear) Input Mode: Bridge (Yellow), Stereo (Green), or Parallel (Orange)
Gain / Sensitivity: 26dB (Orange), 32dB (Green), or 1.2V (Yellow)
High Pass (each channel): 3Hz (Off), 30Hz (Yellow), or 50Hz (Orange)
Clip Limiter (each channel): Off, On (Yellow)
Indicators Clip Limiter (each channel): Off, On (Yellow)
Camera Resolution Flow-thru air path and solid aluminum heat sinks
Power Consumption 120V 50/60Hz - 12A
230V 50Hz - 7A
Power Requirements Not Specified By Manufacturer
Dimensions (WxHxD) 19 x 3.5 x 15.63" (48.3 x 8.9 x 39.7cm)
Weight 33.5 lbs (15.2kg)
Specialties Parallel Dataport, XLR/M and XLR/F connectors for simple loop-through connectivity
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Crown DSi 4000 2x1200W-4Ω Power Amplifier
The Crown? DSi 4000 power amplifi er shall be a solid-state two-channel model
with a switch-mode universal power supply. A rear-panel HD-15 connector shall
provide input/output connectivity between the DSi amplifi er and the DSi-8M
System Monitor.
The outputs shall be usable as stereo or bridged-mono modes of operation.
The bridged-mono mode shall bridge the outputs to provide increased output
voltage.
Front panel controls and indicators shall include the following:
Level: Detented rotary level control, one per channel.
Power Switch: On/off switch applies AC power to the amplifi er.
Sel/Prev/Next Buttons: Three buttons near the LCD screen shall be used to
access menu items and front panel lockout.
LCD Screen: Backlit liquid crystal display shows speaker presets and signal
processing.
Signal Indicator: Green LED, one per channel, illuminates when a very low-level
signal is present at input.
?10 Indicator: Green LED fl ashes when output signal exceeds ?10 dB below
clip.
?20 Indicator: Green LED fl ashes when output signal level exceeds ?20 dB
below clip.
Ready Indicator: Green LED, one per channel, illuminates when the amplifi er is
ready to produce audio.
Clip Indicator: Red LED, one per channel, turns on at the threshold of audible
distortion.
Temp Indicator: Red LED, one per channel, illuminates under excessive temperature
conditions.
Power Indicator: Blue LED illuminates when the amplifi er has been turned on
and has power.
Rear panel controls and connectors shall include the following:
AC Line Connector: NEMA 5-15P (15A).
Input Connector: Two 3-pin removable Phoenix-type connectors each accept a
balanced line-level input signal.
Output Connectors: 4-position barrier strip with connectors for dual louspeakers
or bridge-mono loudspeaker.
HiQnet USB Connector: Type B, connects to a HiQnet network.
HD-15 Connector: For cinema I/O compatibility with DSi-8M System Monitor.
The amplifi er shall have the following specifi cations:
Output Power: 2 ohm Stereo (per channel): 1,600W with 1% THD, 4 ohm
Stereo (per channel): 1,200W with 0.5% THD, 8 ohm Stereo (per channel):
650W with 0.5% THD, 4 ohm Bridge-Mono: 3,200W with 1% THD, 8 ohm
Bridge-Mono: 2,400W with 0.5% THD.
Voltage Gain at 1kHz, 8 ohm rated output: 26 dB.
Frequency Response: +0/?1 dB from 20 Hz to 20 kHz at 1 watt into 4 ohms.
Load Impedance: Safe with all types of loads. Rated for 2 to 8 ohms in Stereo
mode, 4 to 16 ohms in Bridge-Mono mode.
Sensitivity at 8 ohm rated output: 3.61V.
Sensitivity at 4 ohm rated output: 3.47V.
Sensitivity at 2 ohm rated output: 2.84V.
Signal to Noise Ratio (below rated 8-ohm power at 1 kHz): 105 dB
(A weighted).
Damping Factor: Better than 500 from 20 Hz to 500 Hz.
Crosstalk: > 70 dB below rated power, 20 Hz to 1 kHz.
Input Stage: Input is electronically balanced and employs precision 1% resistors.
Input Impedance (nominal): 20 k ohms, balanced;10 k ohms, unbalanced.
Maximum Input Signal: +22 dBu typical.
AC Line Voltage and Frequency Confi gurations Available: 100V, 120V, 220-240V,
50/60 Hz.
AC Line Current: 8.0A.
At Idle: Draws no more than 90 watts.
Operating Temperature: 0° C to 40° C at 95% relative humidity (non-condensing).
The DSP section shall have the following specifi cations:
Input EQ: 6 parametric fi lters per channel with adjustable Q, ±15 dB boost/cut.
Also adjustable high and low shelving fi lters. This 8-fi lter EQ section can be
bypassed.
Crossover Filters: Highpass and lowpass per channel. Butterworth 6/12/18/24
dB per octave, Linkwitz-Riley 24/48 dB per octave. Also includes ±15 dB bandpass
gain and polarity control.
Output EQ: 8 parametric fi lters per channel with adjustable Q, ±15 dB boost/cut.
This 8-fi lter EQ section can NOT be bypassed. Filters are enabled individually.
Output Limiter: Prevents clipping and protects loudspeakers. Choice of ?3, ?6,
or ?12 dB threshold per channel.
Delay: Up to 50 msec total delay per channel.
Presets: 20 presets. One is ?DSP OFF.? Fifteen are factory-set for JBL Cinema
systems. Four are user-defi nable.
Protection shall include the following:
DSi-Series amplifi ers shall be protected against shorted, open or mismatched
loads; overloaded power supplies; excessive temperature; chain destruction
phenomena; excessive output current, and input overload damage. They also
protect loudspeakers from input/output DC, large or dangerous DC offsets and
turn-on/turn-off transients
The chassis shall be steel. Cooling shall be by a proportional speed fan with
front-to-rear airflow.
Dimensions shall be EIA Standard 19-in. rack mount width (EIA RS-310-B), 3.5
in. (8.9 cm) high and 12.25 in. (31.11 cm) deep behind mounting surface.
Net weight shall be 19 lb (8.6 kg). Shipping weight shall be 22 lb (10.0 kg)
The amplifier shall be designated the Crown DSi 4000.
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The power amp H2500 is part of Dynacordʼs new PowerH SERIES, which marks a milestone in the design and the production of high-performance power amplifiers. The innovative 3-stage Grounded Bridge Class H Topology with "floating” switching power supply unit offers very high and stable output with extreme high efficiency on an extremely high performance level at minimum weight. PowerH amps are ideal for driving professional touring, high-end Concert-Sound and Pro-Sound applications. Next to classical protections, this new design employs the multi-stage ATP system (Advanced Thermal Protection) for the first time, which in most cases prevents the power amplifier from switching off when the temperature exceeds a critical level. The newly designed MCS system (Mains Current Supervision) prevents power amplifier breakdown caused by the activation of the automatic circuit breaker. For this, among other things, the MCS system uses the highly precise measurement of the RMS value ofthe actual mains current consumption. Information about the status of the power amplifier and its internal protections is provided on a LC-display. By utilizing the optionally available remote control module that is compatible with IRIS-Net™, this power amplifier additionally offers comprehensive remote monitoring and remote control functions plus a universal 2-channel digital audio controller (DSP) including highly precise FIR-filtering and digital speaker protection algorithms. Datasheets / ManualsManual (5.50MB)
Load Impedance 2 O, 4 O, 8 O Maximum Midband, Output Power, 1 kHz, THD=1% 2 O - 1900 W, 4 O - 1450 W, 8 O - 850 W Rated Output Power, 20 Hz ... 20 kHz, THD 400 Slew Rate 30 V/µs Signal to Noise Ratio Amplifier, A-weighted, 32 dB constant gain 109 dB Output Noise , A-weighted
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