PLAN B analog blog

congrats peter! this looks excellent.

--- In PLAN_B_analog_blog@yahoogroups.com, "(i think you can figure
that out)" <peter@...> wrote:
>
> Shipping of the Model 28 is to begin in three weeks.
> 
> For a complete product description and picture, go here:
> 
> http://www.ear-group.net/model_28.html
> 
> Product Summary:
> 
> The Plan B Model 28 Programmable Tap Clock is the second
computer-based product in 
> the Plan B line and addresses the need for an accurate tap
input-based timing clock for 
> analog synthesizers. Unlike other clocks, the Model 28 has no
frequency pot -- it's tempo 
> is determined by replicating an interval set by two successive
depressions of the TAP 
> INPUT button, or by syncing to it's PHASE LOCK input to an external
clock. The M28 may 
> be accurately programmed during a roll-off or three count in live
performance - it is 
> meant to be played and it's operation has been intelligently
designed to support that in 
> real time.
> 
> Along with the quarter note base duration, the M28 provides separate
eighth note tuplet 
> and eighth note triplet outputs and approaches these rhythms in the
same manner 
> musicians do -- by multipling the tap tempo, not by dividing. The
last tap interval read 
> becomes its quarter note base, with the eighth-notes being base x2
and the triplets base 
> x 3. All outputs are held at 50% duty cycle and tempo-accurate
within 6 microseconds, 
> with a playback range of a quarter note = 1 (1 beat per minute) to
2500 (2500 beats per 
> minute).
> 
> Along with the three parallel event outputs, the M28 is equipped
with a single SERIAL 
> OUTPUT which allows the user to construct polyrythmic combinations
of the three note 
> values, determined by a voltage level present at the SELECT input.
> 
> The Model 28's musicality is further enhanced by a series of five
ARTICULATION SWITCHES 
> which introduce expression by either omitting (a rest) or
dynamically accenting each 
> degree of the eighth and triplet events (see figure 3). When an
accent is selected, a second 
> pulse is sent to independent ACCENT outputs which can be routed as a
filter frequency 
> chiff, or to the Velocity Input of a Model 25 VCA, or to the
secondary VC Input of a Doepfer 
> A-132, etc. The Accent Outputs are intentionally soft (gates are
rounded at the corners) to 
> avoid any pops caused by abrupt changes in amplitude. 
> 
> Two expanders are planned for the M28.  The 28A will add Triangle,
inverted Triangle, 
> Ramp and Inverted Ramp outputs to the quarter and  eight note clock
outputs.  The 28A 
> will begin shipping in June.  The 28B will follow soon afterward and
will provide for MIDI 
> out of the M28 clock information.
> 
> For more information and complete functional description of the
Model 28, go here:
> 
>  http://www.ear-group.net/model_28.html
> 
> Again, the Model 28 is scheduled to begin shipping in three weeks time.
>