The Alesis Ion is an virtual analog synthesizer with 3 oscillators per voice and 16 filter types.

Alesis Qsr Review
Alesis Qsr Program Chart 2019
Alesis Qsr Module
Alesis Qsr Program Charter

Alesis also offers 256KB and 512KByte SRAM card for program data storage. While it is possible to format SRAM cards using Soundbridge, due to their relatively limited storage capacity for sample data, SRAM cards are only practically used for program and mix data stored directly to the card from the synthesizer interface. Audio Architecture FunctionJunction/Plus. Digital Music MX-8. Digitech-DSP-128 Plus. Download Alesis Electronic Keyboard QX25 free PDF Quick Start Manual, and get more Alesis QX25 manuals on Bankofmanuals.com.

Specifications

Year Released: 2003

Keyboard: 49 keys with velocity

Polyphony: 8 notes

Multitimbral: 4 parts

User Patches: 512

User Performances: 32

Power Consumption: 12 watts

Dimensions: 838.2 mm x 95.25 mm x 330.2 mm

Weight: 9 kg

User Demo Videos

Rating

Alesis Qsr Review

4.3

(4 votes)

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Country: USA
Weight: 2 kg
Dimensions: 483x 45x 153mm

trend price : 150€

ALESIS QSR (1997)

QS 7-8 synthesizers rackmount version ofmainly based on a sampled wavetable.
The QSR is a box full of bread and butter sounds with professional touches and special performance tricks.

RACKMOUNT single rack unit. Main panel features a large LCD screen, 8 buttons and a rotary data wheel.
Back panel terminal connectors:
- main out
- aux out
- Mid interface
- digital Adat output
- serial connector for communication with PC (at 38.4 Kbd) or Macintosh (at 1 MHz). Now both obsolete and quite totally useless.
Power supply is external with 9 V AC/AC voltage and pinouts.

VOICE CPU hd6415108F system manages 64 voices polyphony based on QS Composite Synthesis subtractive synthesis. A basic program is composed by 4 PCM each with individual settings:
- volume gain
- pitch tuning
- stereo panning
- polymode or mono with portamento
- zone assign
- effect amount.

WAVETABLE is a 16 MB ROM at 48 kHz categorized into 16 groups + 1 extra GM bank especially designed for Midi files SMF play.
SAMPLE IMPORT the module imports 16 bits samples (WAV or AIFF also old SDII Digidesign Sound Design format is supported) using the Soundbridge which is a free bundled software that burns special 2/4/8 Mb flash cards.
piano chromatic wave noise
ethnic percussive drums organ
sound fx percussion wind synth
bass guitar brass string

PERFORMANCE QS mix mode manages 16 parts individual parameters:
- 13 assignable velocity curves
- Midi channel
- volume
- pitch/octave shift
- stereo panning
- effect level
- wheel modulation effect
- sustain effect
- keyboard zone.
THE TRACKING GENERATOR
allows to track some note steps for some short loop sequences.

FILTER each player part features 1 lowpass filter with no resonance.
Specail Filter track parameter increases or decreases filter cutroff effect through octaves.
TIP: The effect Q-resonance emphasis emulates a kind of resonance.

ENVELOPE there are 3 EGs:
- EG1 amplitude: 4 stages ADSR+ 1 extra segments on initial delay time and sustain decay time
- EG2 filter: 4 stages ADSR + 1 extra segments on initial delay time and sustain decay time
- EG3 pitch: 4 stages ADSR + 1 extra segments on initial delay time and sustain decay time
The special trigger mode determines if the EG should be reset from beginning or continue according to 4 different modes: normal, freerun, reset and reset-freerun.

LFO a single delayed digital modulator for each layer (shapes: 8 shapes : sine, triangle, square up, saw up, saw down, noise and 2 random models).
There are 3 modulation destinations:
- LFO to amplitude
- LFO to filter
- LFO to pitch.

EFFECT based on Quadraverb II DSP featuring 4 real-time stereo effects including: reverb, chorus, pitch shifter, flanger, delay, overdrive and leslie.
TECH: Effects parameters can be controlledd by Midi CC#.

MIDI Internal parameters are easy to modulate with the internal Matrix and each part can assigned to Midi CC#. Full sysex support for both editing and librarian storing purposes.

MEMORY:
- 512 preset slots
- 128 Mix Mode (400 Preset, 100 User).

Alesis Qsr Program Chart