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Soundcraft LX7ii 32 Channel Console

The hugely popular Soundcraft LX7 console has received an upgrade to the LX7ii both in terms of its audio specifications and its cosmetics. The LX7ii gets its looks from the highly successful Soundcraft MH3 and MH4 consoles, and includes a new frame, module ID graphics and end-cheeks, to ensure the LX7ii is easy to use while being the envy of professionals everywhere. Electronically, the LX7ii now features the Soundcraft GB30 mic-preamp and a 4-band EQ with swept mid sections that's based on the highly-acclaimed EQ in the MH3 and MH4 touring consoles, both designed by Graham Blyth to coincide with Soundcraft’s 30 year anniversary.

“The new GB30 mic pre on the LX7ii brings together some of the quality and precision of the mic pre’s we use on our biggest touring desk, whilst retaining the cost-sensitivity demanded at this point in the market,” reports Blyth in a rare interview. “We’re conscious that we must provide the best possible audio quality at the best price for the customer — we do not allow compromise — and it starts at the mic mic-preamp".

The LX7ii comes with frame sizes up to 32 mono inputs and four stereo inputs/returns with four groups. The main stereo output is augmented with a dedicated mono output for centre clusters. A direct output is also available on all but the last eight channels with individual pre/post fader switching situated in the EQ section. This allows LX7ii’s direct outputs to be equally useful for effects send applications or multitrack tape feeds. Six AUX Sends are provided for flexibility for effects and foldback. The LX7ii mixes to seven outputs; four subgroups, plus the main Left, Right and Centre (Mono) mix outputs.

The LX7ii continues the tradition set by the highly successful original LX7 for its applications in live performance PA and installed systems in churches, theatres, and any similar applications where the console needs be compact in size yet provide a large number of inputs and maximum output capability. The LX7ii is equally at home in live sound and recording applications.


Features

  • Sixteen, twenty-four or thirty-two mono channels depending on model.
  • Two stereo channels.
  • High quality 100 mm stroke faders.
  • GB30 Microphone Preamps.
  • 48 volts mic phantom power, switched in groups of 4 inputs.
  • 4 Sub-Mix groups.
  • Six auxiliary sends, four of which are switchable Pre/Post fade
  • Aux Masters for overall level control of each AUX Send with switchable PFL.
  • Direct outputs on channels 1-8/1-16/1-24 depending on model.
  • Direct outputs individually switchable Pre/Post-Fade.
  • 4-band EQ with a swept lo-mid and hi-mid on mono inputs.
  • EQ Bypass switch for each mono input.
  • 2-band EQ on stereo inputs.
  • Channel signal routing switchable to MIX (Stereo), Centre (Mono), or Pairs of AUX Sends.
  • XLR 3-Pin and ¼” jack connector sockets.
  • TRS insert sockets with inserts on all mono inputs, group and mix outputs.
  • RCA phono connectors for stereo 2-Track playback input.
  • 12-segment LED bar-graph (left & right channels) output metering on group and mix masters.
  • Intuitive and comprehensive solo system.
  • Headphones output.
  • Talkback facility.

Models Feature Matrix

DescriptionLX7ii-16LX7ii-24LX7ii-32
Mono Mic/Line Input Channels162432
Stereo Input Channels222
Stereo Returns222
Aux Buses (Post-Fade)222
Aux Buses (Switchable Pre/Post Fade)444
Inserts on Mono Input Channels1-161-241-32
Inserts on Mix Output ChannelsYesYesYes
Inserts on Group Output ChannelsYesYesYes
Direct-Outs on Mono Input Channels1-81-161-24

Detailed Features

Soundcraft LX7ii EQ ControlsSoundcraft LX7ii EQ Graphs

EQ Section

The Soundcraft GB30, 4 band equaliser section on the LX7ii is based on that used in the high-end Soundcraft MH Series consoles. Both the HF and LF shelving sections have steeper slopes than usual which substantially reduces mid frequency harshness in the HF band and muddiness in the LF band. This increases the “cleanliness” of the response and is further enhanced by an element of undershoot and overshoot in the boost/cut response. The LX7ii has two swept mid frequency bands that are carefully selected for optimum control during live performances. All bands provide 15 dB of cut or boost. The LF equaliser response shelves at 80 Hz The swept Lo-Mid control operates between 80 Hz and 1.9 kHz while the swept Hi-Mid control operates at frequencies between 550 Hz and 13 kHz The fixed HF equaliser response shelves at 13 kHz

EQ Switch

The EQ section can be bypassed using the EQ switch which allows users to easily and accurately compare the treated and untreated sounds by switching the EQ in and out without having to reset the controls.

EQ Graphs

The EQ graphs show the relative responses of each of the EQ frequency bands.


Technical Specifications

Frequency Response XLR input to any output ....................................+0/-1 dB, 20 Hz to 20 kHz
T.H.D. & Noise All measurements at +10 dBu output, 30 dB gain.
  XLR input to Direct output ............................................<0.007% @ 1 kHz
  XLR input to Mix output ...............................................<0.008% @ 1 kHz
Mic Input E.I.N. 22 Hz to 22 kHz bandwidth, unweighted ........ <-128 dBu (150 ohm source)
Mic Gain Minimum ....................................................................................... 5 dB
  Maximum .................................................................................... 60 dB
Bus Noise Mix output, input faders @ minimum, Mix fader @ 0 dB
  32 channels routed .................................................................. <-85 dBu
  16 channels routed ...................................................................<-88 dBu
  Group output, input faders @ minimum, Group fader @ 0 dB
  32 channels routed ...................................................................<-85 dBu
  16 channels routed ...................................................................<-88 dBu
  Aux output, input sends @ minimum, Aux master @ 0 dB
  32 channels routed ...................................................................<-88 dBu
  16 channels routed .................................................................. <-91 dBu
Crosstalk @ 1 kHz Input channel muting .................................................................. >98 dB
  Input fader cutoff ........................................................................ >98 dB
  Input pan pot isolation ................................................................ >82 dB
  Mix routing isolation ................................................................... >98 dB
  Group routing isolation ............................................................... >98 dB
  Adjacent channel isolation ........................................................ >100 dB
  Group-Mix crosstalk .................................................................. <-84 dB
  Aux send off ............................................................................. <-94 dB
CMRR Mono input, measured at max gain ..................... typically 80 dB @ 1 kHz
Input & Output Levels Input channel mic input ...................................................... +15 dBu max
  Input channel line input ...................................................... +30 dBu max
  Stereo inputs & insert returns ............................................. +20 dBu max
  All outputs ........................................................................ +20 dBu max
  Nominal operating level ................................................................. 0 dBu
  Headphone power ................................ 2 x 250 mW into 200 ohm phones
Input & Output Mic input ................................................................................. 2k ohms
Impedances Line inputs ........................................................................... >10k ohms
  Input channel insert return ......................................................... 5k ohms
  (with EQ in, otherwise worst case 1.8k ohms)
  Mix, Group, Aux outputs ......................................................... 150 ohms
  Insert sends ............................................................................. 75 ohms
  Recommended headphone impedance ................................. 50-600 ohms
High Pass Filter100 Hz, 18 dB per octave (Mono Inputs)
EQ (Mono Input) HF .................................................. 13 kHz, +/-15 dB, 2nd order shelving
  Hi-Mid ................................................... 550 Hz - 13 kHz, +/-15 dB, Q=1
  Lo-Mid ................................................... 80 Hz - 1.9 kHz, +/-15 dB, Q=1
  LF .................................................... 80 Hz, +/-15 dB, 2nd order shelving
Metering6 tricolor 12-segment LED bargraphs
Power Supply RequiredAC Mains (Internal Universal PSU) 85 to 270 VAC, 50/60 Hz
Power Consumption 60 W
Operating Conditions Temperature Range ....................................................... -10º C to +30º C
  Relative Humidity .................................................................. 0% to 80%

Dimensions

Model ..... LX7ii-16 .... LX7ii-24 .... LX7ii-32
Width ..... 653 mm ... 856 mm ... 1059 mm
Depth ..... 503 mm ... 503 mm ... 503 mm
Height ..... 186 mm ... 186 mm ... 186 mm
Weight .... 18.2 Kg .... 21.8 Kg .... 23.0 Kg
Soundcraft Console Dimensions

Ordering Information

DescriptionOrder Code
Soundcraft LX7ii 16-Channel Mixing ConsoleSND-LX7-16
Soundcraft LX7ii 24-Channel Mixing ConsoleSND-LX7-24
Soundcraft LX7ii 32-Channel Mixing ConsoleSND-LX7-32
The information presented on this page is provided by courtesy of Soundcraft, Harman International Industries Ltd.
Revised: 20-Dec-2010 Copyright (C) 2010 Adena Limited