Behringer BODE Frequency Shifter 1630 Eurorack Frequency Shifter Module

Behringer BODE Frequency Shifter 1630 is a Eurorack frequency shifter module designed for modular synthesizer systems used in studio sound design and electronic music production. It enables shifting of the entire audio frequency spectrum for modular synthesists working with voltage-controlled synthesis workflows. This makes it ideal for modular environments where precise frequency shifting and signal experimentation are required.

The module processes incoming signals using analog circuitry and a voltage-controlled quadrature oscillator to shift frequencies upward or downward across a continuous range. Control inputs allow modulation of the shift amount, while additional circuitry manages signal mixing and threshold behavior. Multiple output paths allow access to different shifted signal variations and combinations.

This configuration supports modular synthesists creating evolving textures, experimental tones, and spectral transformations. It can be used for sound design, audio processing, and modular performance systems where frequency shifting alters harmonic relationships. The Eurorack format allows the module to integrate with other control voltage sources and audio processors in modular setups.

Key Features

• Analog Frequency Shifting: Processes signals by shifting the entire audio spectrum without traditional pitch shifting
• Authentic Bode Circuit Design: Based on the classic frequency shifter design developed in the 1970s
• Voltage Controlled Shift: Amount of frequency shift can be modulated using control voltage inputs
• Quadrature Oscillator Circuit: Uses a voltage-controlled beat frequency quadrature oscillator for signal processing
• Selectable Control Scaling: Linear or exponential scaling allows different control responses for modulation
• Squelch Threshold Control: Helps reduce carrier bleed-through when input signals are below threshold levels
• Eurorack Module Format: Designed for installation in Eurorack modular synthesizer systems

Technical Specifications

Inputs
Signal Input
Type: 1 x 3.5 mm TS jack, AC coupled
Impedance: 50 kOhm, unbalanced
Maximum input level: +12 dBu

Control Inputs
Type: 3 x 3.5 mm TS jack, DC coupled
Impedance: 100 kOhm, unbalanced
CV range: 10 V

Outputs
Outputs A
Type: 2 x 3.5 mm TS jack, DC coupled
Impedance: 1 kOhm, unbalanced
Maximum output level: +12 dBu
Output signal: None inverted frequency shift

Outputs B
Type: 2 x 3.5 mm TS jack, DC coupled
Impedance: 1 kOhm, unbalanced
Maximum output level: +12 dBu
Output signal: Inverted frequency shift

Mix Outputs
Type: 2 x 3.5 mm TS jack, DC coupled
Impedance: 1 kOhm, unbalanced
Maximum output level: +12 dBu
Output signal: Output A or B or a mixture of both

Test Connector
Type: 1 x 12 pin 0.1 in male header
Impedance: 1 kOhm, unbalanced
Available signals: Var Osc, Fixed Osc 1 and 2, BFO filters 1 and 2, Dome filters 1 and 2, Out 1 and 2

Controls and Indicators
Amount of shift
Frequency shift to a maximum of ±5 kHz

Zero Adjust
Fine frequency shift ±220 Hz

Zero Adjust LED
Flashes once per carrier cycle

Scale Rotary Switch
0 off, Exponential ±2 Hz to ±2 kHz, 1 V Octave Linear ±5 Hz, ±50 Hz, ±500 Hz, ±5 kHz

Squelch Threshold
-60 dBu to 0 dBu

Squelch Threshold LED
Lights for input signals above threshold level

Mixture
Pans between the A and B outputs

System
Frequency range
<30 Hz to >16 kHz

Input to Output Gain
Unity gain

Control Input Matching
Better than 0.1%

Power Requirements
Power supply: Eurorack
Current draw: 110 mA +12 V, 110 mA -12 V
Weight
0.37 lb

Height
2.1"

Width
2.79"

Length
5.06"