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Voltage Gain at 1kHz, 8 ohm rated output:
DSi 1000: 26 dB
DSi 2000: 26 dB
DSi 4000: 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:
DSi 1000: 2.35V
DSi 2000: 3.09V
DSi 4000: 3.61V
At 4 ohm rated output:
DSi 1000: 2.24V
DSi 2000: 2.84V
DSi 4000: 3.47V
At 2 ohm rated output:
DSi 1000: 1.88V
DSi 2000: 2.24V
DSi 4000: 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 Configurations Available: 100V, 120V-240V, 50/60 Hz.
AC Line Current:
DSi 1000: 6.5A
DSi 2000: 6.9A
DSi 4000: 8.0A
At Idle: Draws no more than 90 watts.
Operating Temperature: 0° C to 40° C at 95% relative humidity (non-condensing).
DSP Section
EQ: 6 parametric filters per channel with adjustable Q, boost/cut ±15 dB. Also adjustable high and low shelving filters.
Filters: Highpass and lowpass per channel. Butterworth 12/18 dB per octave and Linkwitz-Riley 24 dB per octave. High and low shelving filters, one per channel.
Delay: Up to 50 msec total delay per channel.
Output Limiter: Prevents clipping and protects loudspeakers. Choice of –3, –6, or –12 dB threshold per channel.
Presets: 5 user-definable loudspeaker presets and 15 factory-default JBL system presets. |
Front Panel Controls and Indicators
Level: Detented rotary level control, one per channel.
Power Switch: On/off switch applies AC power to the amplifier.
Sel/Prev/Next Buttons: Three buttons near the LCD screen are used to access menu items.
LCD Screen: Backlit liquid crystal display shows speaker presets and signal processing.
Signal Indicator: Green LED, one per channel, flashes when a very low-level signal is present at input.
–10 Indicator: Green LED flashes when output signal exceeds –10 dB below clip.
–20 Indicator: Green LED flashes when output signal level exceeds –20 dB below clip.
Ready Indicator: Green LED, one per channel, illuminates when the amplifier is ready to produce audio.
Clip Indicator: Red LED, one per channel, turns on at the threshold of audible distortion.
Temp/Fault Indicator: Red LED, one per channel, illuminates under Fault or excessive temperature conditions.
Power Indicator: Blue LED illuminates when the amplifier has been turned on and has power.
Rear Panel Controls and Connectors
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.
Protection
DSi-Series amplifiers are 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.
Construction
Chassis: Steel.
Cooling: Proportional speed fan with front-to-rear airflow.
Dimensions: 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:
19 lb (8.6 kg)
Shipping Weight:
22 lb (10.0 kg) |
