Alesis QS7.1

Alesis QS7.1 Image

The QS7.1 is a 64 Voice Expandable Synthesizer based on the QS6.1 and QS7 QuadraSynths. It's basically the same as the QS6.1 but has a 72-note keyboard and additional audio outs. But compared to the older QS7, it offers up a much needed larger LCD display screen and a few more direct access buttons to certain edit function and parameters. It uses digital ROM samples (16MB) of sounds containing a library of 640 programs and 500 multitimbral mixes. Really amazing pianos, orchestral sounds as well as vintage synth sounds, strings, brass, winds, guitars, drums, percussion loops and groove patterns can all be found here.

The QS7.1 features 64 multitimbral parts over 16 MIDI channels. That's a lot. And since it's 64 voices polyphonic, you can arrange some pretty complex and complete music, from full orchestras to trance dance tracks, beats and sfx heaven! The keyboard can be split into 16-zones! Control the volume, panning, transposition, effects level and more of each channel independently. Four on-board edit/control sliders are assignable to most modulation parameters. Onboard multi-effects based on the QuadraVerb 2 include reverb, chorus, distortion, EQ, delay, rotary speaker simulation and more. These are on four independent busses so it's like having four FX units!

Powerful MIDI implementation suits the QS7.1 for any studio situation. But it has more! It can connect to your Mac or PC using its RS422 or RS232 ports. The QS7.1 comes with a CD-rom (Mac/PC) with Alesis' Sound Bridge and FreeLoader applications, plus programs for sequencing, editor/librarians, notation, extra samples, programs and mixes, sample sequences, demos and more. Either way you choose to use the QS7.1 it is a truly professional yet affordable versatile synth for the creative player/composer who needs a wider keyboard. For the flagship model, look no further than the QS8.1 with 88-weighted keys with piano style hammer-action.

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6 Visitor comments
FED34FIRE
May 9, 2010 @ 10:08 am
I really like my QS7.1. The Emerson sampls are on the mark. The Q cards are also good except for Jazz/Classical Piano. Seems like Alesis placed a lot of their best sounds on the CD. Don't understand. This could have been one of the best affordable synths ever. The 76 synth action weighted keys r some of the best made. Unit is well built. Its a pro board. There are killer sounds in this unit. Able to assign and control 4 parameters in real time. Wish it were easier to program. Really want to sit down and improve the Piano, Dist Guitars, Hammonds, and analog synth emulations. The Emerson C-3 sound is very good for a synth. Nothing like my VK 8. Use this board to jam with friends as it is very diversified and as a support board in my home studio setup. If Alesis would have placed more empasis on better quality samples instead of quanity and added an arp, this would have been one of the best boards ever. With some programming you can really make this a performer keyboard.
 
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  • Check Price
  • The link above will take you to an eBay search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Demos & Media
  • Audio Clip 1 - Here are a bunch of demo patches from the QS7 - displaying the QS-synth's wide range of excellent contemporary, acoustic, and electronic synth sounds & textures. From the Future Music CD, issue 51.

    Audio Clip 2 - Onboard demo of the QS6.1 and its cool sounds.

    Manual - Alesis have made manuals and program charts for many of their products available on-line, for free download as .PDF files.

  • Specifications
  • Polyphony - 64 Voices (with dynamic voice allocation)
  • Oscillators - QS Composite Synthesis (16 Bit Linear 48kHz Sample ROM): 16 MB, expandable to 32 MB via PCMCIA Expansion Card Slots
  • LFO - 3 LFO's
  • Filter - 64: 1 Sweepable Lowpass Filter per voice
  • Effects - QuadraSynth 2 four-Bus Parallel Matrix Effects: reverb, chorus, distortion, EQ, delay, rotary speaker simulation and more.
  • Keyboard - 76 semi-weighted keys (velocity, release velocity, aftertouch sensitive)
  • Memory - Programs: 512 preset, 128 user; Mix Mode: 400 preset, 100 user.
    Expandable using QCards or RAM Cards via 2 PCMCIA expansion card slots
  • Control - MIDI IN, OUT, THRU (64 Part multitimbral across 16 MIDI channels); RS422 and RS232 serial protocols, Mac and PC compatible
  • Date Produced - 1999

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