Moog-music MF-104Z Analog Delay Manuel d'utilisateur télécharger pdf (Page 18)

CIRCUIT CONFIGURATION:

Figure 9 is a simplified block diagram of the MF-104Z Analog

Delay. Some unique features of the circuit are described in the

following paragraphs.

The input signal goes directly to a low-noise, high-input-

impedance buffer amplifier. The gain is set by the DRIVE control.

This amplifier has two outputs: the bypass signal (which is an

accurate replica of the input signal), and the signal that feeds the

delay circuit. If the gain is too high (indicated by the INPUT

LEVEL light going frequently to red), this amplifier may clip, and

the bypass signal may be audibly distorted. In general, the

DRIVE control should be set so that the INPUT LEVEL light is

yellow most of the time, and goes into the red only occasionally

and briefly.

The heart of the audio path is the DELAY CIRCUIT function.

This includes lowpass input filters, compressor, bucket-brigade

Figure 9 - Simplified Block Diagram of the MF-104Z

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Moog-music MF-104Z Analog Delay Manuel d'utilisateur Page 18