Guaranteed Minimum Power:
See power grid.
Frequency Response (at 1 watt, 20 Hz - 20 kHz): ±0.25dB.
Signal to Noise Ratio below rated 8-ohm power, A-weighted:
Total Harmonic Distortion (THD) at full rated power: <
Damping Factor (20 Hz to 100 Hz):
Common Mode Rejection (CMR) (20 Hz to 1 kHz): > 50
DC Output Offset: < ±3 mV.
Input Impedance (nominal):
20 kilohms balanced, 10 kilohms unbalanced.
Maximum Input Level: +15 dBu or +22 dBu, depending on
Latency (analog, digital inputs): 1.13 mS analog, 1.81
mS digital (96 kHz).
A/D, D/A Converters: 24-bit, 96-kHz Cirrus Logic.
Digital Input: AES/EBU, 16-24 bit, 32-48 kHz. Onboard
sample rate converter. Optional CobraNet input coming soon.
Network: Onboard TCP/IQ, compatible with standard 100-Mb
DSP: 24-bit conversion with 32-bit, floating-point DSP
processing. Bypass mode available. Has 64
assignable filters with 9 different filter types. Includes all-pass
filters, over 2 seconds of delay available per channel, and dual
uncorrelated-noise and sine-wave generators.
Load Supervision: Monitors the average impedance on the
output of the amplifier. If the impedance falls outside the specified
high/low limits, this function alerts the user via the front panel
display, and via the IQwic software when amp is on an IQ Network.
Error Reporting: Reports clip errors, thermal errors,
fault conditions and load monitoring errors for each channel via
the front panel display and via IQwic software when amp is on
an IQ Network.
Attenuators: Speed sensitive, continuously variable rotary
encoder, 0.5 dB steps, range 0 to –100 dB.
(Note: Safe with all types of loads):
Stereo: 1/2/4/8/16 ohms.
Bridge Mono: 2/4/8 ohms.
Input Sensitivity: Adjustable in 0.1V steps from 1.4V
Voltage Gain (referenced to 8 ohm rated output):
I-T4000: 37.0 dB to 20.3 dB
I-T6000: 37.9 dB tp 21.0 dB
I-T8000: 39.3 dB to 22.5 dB
Required AC Mains: Universal AC input, 100-240 VAC, 50/60
Maximum AC mains voltage: 277 VAC.
AC Line Connector: Five cordsets supplied with amplifier
(USA, UK, Europe, Australia, India).
Front Panel Controls and Indicators
Bridge Mode Indicator: Yellow LED
illuminates when the amplifier is set to “Bridge-Mono” mode.
Ready Indicator: Green LED, one per channel, illuminates
when the channel is initialized and ready to produce audio output.
Indicator is off when the amplifier is in standby mode via the
Signal Indicators: Three green LEDs per channel indicate
the amplifier’s input and output signal levels.
Signal: Input signal is above –40 dBu.
–20 dB: amplifier output is 20 dB below clipping.
–10 dB: amplifier output is 10 dB below clipping.
Clip Indicator: Red LED, one per channel, illuminates
when the channel’s output signal reaches the onset of audible
Thermal Indicator: Red LED, one per channel, illuminates
when the channel has shut down, or is very near shutting down,
due to thermal stress or overload.
Fault Indicator: Red LED, one per channel, flashes when
the amplifier output channel has stopped operating.
Data Indicator: Yellow LED indicates IQ Network data activity
Power Indicator: Blue LED indicates amplifier has been
turned on and AC power is available.
AC Mains Present Indicator: Green indicator built into
power switch indicates AC power is present at the power cord and
the amplifier circuit breaker is in the "on" position.
Glowing Blue Screen and Controls: These let the user adjust
the amplifier’s attenuation and muting, configure the amp, set
up error monitoring (such as temperature and load supervision),
and recall DSP presets. The presets allow the user to quickly
reconfigure the amp for various applications.
LCD Control Screen: Integrated LCD with white
LED backlight, controls amplifier setup and operation.
Normal mode: Attenuation in 0.5 dB steps,
Mute/Unmute, Front Panel Lockout.
Basic Menu: LCD Contrast, CH1 Sensitivity,
CH2 Sensitivity, Speaker Preset, Dual/Bridge mode, Input
Advanced Features Menu: Attenuator Limits,
Attenuator Link, Clip Limiter, Peak Voltage Limiter, Average Power
Limiter, Pink Noise Generator, AES/EBU Input Trim, Input Source,
Maximum Analog Input, Amplifier Label Edit, CH1 Label Edit, CH2
MENU/EXIT Button: “Menu” enters the Menu screen. “Exit”
leaves the Menu.
NEXT Button: Selects the next item in the Menu.
PREV Button: Selects the previous item in the Menu.
Level Controls (encoders):
These two knobs affect the Channel-1 and Channel-2 output levels.
They also select Menu items and adjust parameter values that are
displayed on the LCD control screen.
Power Switch: Push-on / push-off switch.
Back Panel Controls, Indicators and Connectors
Power Cord Connector: Standard 20 amp IEC inlet.
Switch/Circuit Breaker: Resets the circuit breaker that
protects the power supply.
Output Connectors: Two high-current, 50A Neutrik® Speakon®
NL4MLP (mates with NL4FC or NLT4FX), one per channel. Two pairs
of high-current, 60A color-coded 5-way binding posts (for banana
plugs, spade lugs or bare wire). Two male XLR passive analog loop
through. XLR active/re-clocked AES/EBU digital loop through.
Analog Input Connectors: A 3-pin female XLR connector
for each channel.
Digital Input Connector: A 3-pin female XLR connector
that accepts a digital signal in the AES/EBU format.
Ethernet Connector: This connector accepts an RJ45 connector
for IQ TCP/IQ networking and optional CobraNet transport from
a standard network cable. Built into the connector is a yellow
LINK ACT indicator that shows network activity, and a green 100
Mb indicator that shows a 100 Mb network connection.
Data Indicator: Yellow LED indicates IQ Network data activity.
Preset Indicator: Yellow LED indicates that a preset is
Cooling: Dual-zone, microprocessor controlled, continuously
variable speed fans, front-to-back airflow.
Front Panel: Cast aluminum with integrated handles.
Dimensions: 19 in. (48.3 cm) W x 3.5 in. (8.9 cm) H x
16.2 in. (41.1 cm) D.
Weight: 28 lbs. (12.7 kg) net, 36 lbs. (16.3 kg) shipping.
Included Accessories: Rear rack ears with integral EZ-Rack
pin, rack screws, operation manual, power cords, foam air filter.