TRANSPORT CONTROL

OUTPUTS

There are nine sequencer outputs: One for each row (A through D), a STAGE ONE trigger output and a CLOCK output which runs at the same rate of the stages. The other three outputs are for the sequential switch.

SEQUENTIAL SWITCH

There are three sequential switches that multiplex the 4 rows of Archangel. Two 2:1 switches multiplex rows AB and CD, and appear on the AB and CD outputs. A single 4:1 switch multiplexes all 4 rows and appears at the ABCD output. The switches are automatically advanced each time the sequencer wraps back to the first stage, or when a trigger is applied to the ROW SHIFT external input.

LENGTH, DIRECTION AND LOOPING

Stage length can be adjusted from 1/32^nd note to two bars, including several triplet and dotted lengths. Sequence length can be adjusted from 1 to 16 stages, and can be programmed to stop or continuously loop when reaching the end of the sequence.

There are 5 stage directions, these are forward, reverse, alt one, alt two, and random. Alt one and alt two are pendulum modes, with alt one doubling the first and last stage in the sequence.

MODIFIED CONTROL

There are two modifiers for the sequencer: voltage and keyboard. The voltage modifier disengages the internal transport to the sequencer and instead selects the current stage from a 0-5V external CV on the ADDRESS input. This allows Archangel to not only act as a CV-controlled sequencer, but also as a step-based waveshaper and oscillator. The keyboard modifier enables keyboard control of the sequences, in which the start stage of the sequence is controlled by the touchplate keyboard. This allows the user to create multi-pattern sequences on the grid and toggle between them in a performance. When combined with the stop at end loop mode, the touchplate keyboard will also start the transport when a key is pressed.

TOUCHPLATES

There are 16 touchplates that are a generous 19mm wide by 40mm high (0.75" x 1.75"), large enough for the most demanding digits. They use a unique digital capacitive sensing mechanism which overcomes the limitations of previous touchplate technologies. Each plate also responds to pressure and vertical position.

KEYBOARD SCALES

The touchplate keyboard outputs CV in one of sixteen different scales, which include the traditional 7 modes, harmonic minor, melodic minor, double harmonic, octatonic, pentatonic, whole tone, chromatic, minor third and major third. The modes are arranged so that each scale is only one degree different from the adjacent scales, which encourages experimentation during a performance. Melodic minor is implemented correctly, unlike other scaling systems in that the scale intervals are different depending on whether you are ascending or descending through the scale.

TOUCHPLATE OUTPUTS

The output section for the keyboard includes a key GATE, PITCH output, and both PRESSURE and POSITION outputs. The POSITION output latches the position after being touched, and PRESSURE will return to zero after being touched.

Each CV output can be a continuous 0-5V, or operate over a two-octave scale range thanks to Archangel's built in quantizer. The quantizer can follow either a chromatic scale, or the scale that the touchplate keyboard is set to. There are two additional modifiers for the quantizer: quant shift and key transpose. When these modes are enabled, the touchplate keyboard will shift the quantized scale accordingly. Key transpose mode works exactly as advertised: It transposes the key of the sequence currently playing. Quant shift is more interesting, in that the sequence gets shifted within the scale.