Ring Modulator with side frequency signal input level control

Ring modulator.

Main Features:

• Processing both AC and DC input signals
• Spectrum control for feedback modulation
• Mixed output with "Wet/Dry" audio signal balance control
• Carrier and Modulator input level control
• Limiters on both Carrier and Modulator inputs
• Stainless steel front panel
• Pure analogue circuitry (no DSP used)

http://www.chd-el.cz/index.php?id=504&lngid=en

• 15 mA +12V
• 15 mA -12V
• ? mA 5V
• 35 mm Depth

No info about availability.