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A-199 |
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Spring
Reverb |
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The A-199 is a spring
reverb module. The reverb is produced by sending the signal down 3
spiral springs. Spring reverb systems have a very characteristic
sound that is based on the (insufficient) mechanical properties of
the springs: like signal delays, audio resonances, limited frequency
range, acoustic feedback behaviour, sensitivity to mechanical shocks
and others. The 3-spring system used in the A-199 ensures a "dense"
reverb because of the different properties of the three springs. The
A-199 implies some special features that are not self-evident for
spring reverb units: The reverb signal can be fed back to the input
using the Feedback control. Even self-oscillation of the springs
similiar to the self-oscillation of filters is available. The
feedback loop can lead even via external modules like VCA, VCF,
phaser, frequency shifter, vocoder, distortion/waveshaper, ring
modulator and others. In this case the reverb output of the A-199 is
connected to the input of the external module(s) and the output of
the external module(s) is fed back to the Ext.Feedback In socket of
the A-199. This socket contains a switch that interrupts the
internal feedback loop as soon as a plug is inserted. Another
feature is the Emphasis control. This enables the adjustment of the
accentuation of middle frequencies (around ~ 2kHz).
Note: The original A-199 design had
a 10HP width front panel (also a 50mm depth), but was redesigned in
2007 to smaller proportions |
Width
8 HP |
Depth
40mm |
Current
80 mA |
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Owners
manual A-199 |
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