Equipment information

Moog Music OPUS 339BX Synthesizer
Manufacturer:
Model:
OPUS 339BX
Date:
1981
Category:
Group:
Description:

Information

SPECIFICATIONS 1.2.1 POWER REQUIREMENTS Operating Voltage Range: Domestic (Model 339A) - 95 to 130 Volts 60Hz. Export (Model 339BX) - 190 to 260 Volts 50Hz. Power Consumption: 20 Watts. 1.2.2 TONE GENERATOR Reference Frequency: High A, 16’ = 440Hz. Stability (Drift): Less Than .02% per °C. 1.2.3 CONTROLLERS Keyboard: 49 Note, C to C, Polyphonic. Master Tune Control Range: +/-3 Semitones. Pitch Wheel Range: Greater Than +/- Perfect Fourth. Modulation Oscillator Waveshape: Sinusoidal. Modulation Oscillator Rate: From .18 to 18Hz. Amount of Modulation: Variable. FM (Oscillator): +/-3 Semitones Minimum. VCF (Filter): 10 Octaves. Modulation Delay: From 20mS to 20S. 1.2.4 CHORUS Input Mixer: Continuously Variable From Strings to Organ. String Footages: 8’, 4’, both (8’ + 4’). String Waveform: Sawtooth. String Equalization: Low Band and High Pass. Equalization Frequency: From 150Hz to 12kHz. Resonance: Variable. Chorus Control: Depth (Variable), Rate (Fast 6.5Hz or Slow .73Hz). Animation Can Be Delayed, Same As Modulation. 1.2.5 ORGAN Footages: 16’, 8’, 4 2 1’ With Separate Level Controls. Waveform: Square wave. Tone Control: Type: 2-Pole Variable Lowpass Filter. Cutoff frequency: From 150Hz to 15kHz. 1.2.6 VOLTAGE CONTROLLED FILTER Type: 24dB/Octave Lowpass. Input Mixer: Continuously Variable From Organ To Brass. Brass Footages: 16’, 8 or 4’. Brass Waveform: Sawtooth. Filter Mode: Preset or Variable. Cutoff Frequency: 30Hz To Out Of Audio Range. Emphasis: Variable From None To Regeneration Mode. Range of Filter Cutoff Control: 10 Octaves. Maximum Sweep of CF by Filter Contour Generator: 8 Octaves. Filter Contour Generator Controls the Cutoff Frequency Of The Filter Through an Attenuator: Range of Attack Time: From 0 to 5.5 Seconds. Range of Decay Time: From 0 to 8.7 Seconds. Sustain Level: From 0% to 100% of Contour Peak. Final Decay Switch Defeats Articulator Final Decay For VCF Sound Path. 1.2.7 ARTICULATOR Modes: “Cancelling” and “Overlapping.” Range of Attack Time: From 0 to 20 Seconds. Range of Release Time: From 0 to 6 Seconds. Separate Pan, Level, and On/Off Controls. Typical Full Output Level: OdBm. Signal/Noise Level Better Than 80dB. Nominal Output Impedance Less Than 5K Ohms. 1.2.9 REAR PANEL Left and Right Stereo Outputs. Mono Output. Sustain Footswitch Input (Normally Closed). 1.2.8 STEREO OUTPUT Mixer Master Gain Control For Three Sound Paths: Chorus (Strings/Organ) - Coded Orange. Organ Direct - Coded Green. VCF (Organ/Brass) - Coded Yellow. 1.2.10 PHYSICAL DIMENSIONS Overall Size: 5-5/8” High x 14-15/16’ x 29-3/4” Wide (14.3cm x 37.9cm x 75.6cm). Net Weight: 20 lbs. (9 Kg).

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Service Manual
Manual Type:
Service Manual
Pages:
43
Size:
5.29 Mbytes (5549428 Bytes)
Language:
english
Revision:
Manual-ID:
993-044634-001
Date:
1981 01 01
Quality:
Scanned document, all readable.
Upload date:
2017 11 01
MD5:
e8df71ce33e55b2082cdd9cea08011c1
Downloads:
785

Information

This manual provides servicing and parts information for Opus 3 Synthesizer, Domestic Model 339A and Export Model 339BX, manufactured by Moog Music Inc., 2500 Walden Avenue, Buffalo, New York 14225. This manual is divided into six Sections: Section 1 Introduction and Specifications; Section 2 Circuit Description; Section 3 Disassembly and Reassembly Procedures; Section 4 Field Test Procedure and Troubleshooting (also includes articulation mode charts); Section 5 contains a Final Assembly Replacement Parts List and a separate Replacement Parts List for each of the three printed circuit boards; and Section 6 contains a functional block diagram, schematic and parts location diagrams for each board. Alignment and adjustment procedures, voltages and waveforms, as applicable, appear on the schematics.

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