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Electrical and Mechanical Specifications 

• 6HP Eurorack format module 
• 0.95” (24mm) maximum depth (includes power cable) 
• 10-pin Eurorack power header 

Power consumption 

Maximum values:

All output jacks shorted to ground, 22Vpp signal on all input jacks, knobs at 100%

 

+12V: 62mA 

-12V: 55mA 

• Line to Mod section (top) 

Output: 1k impedance 

Input: 100k impedance 

Frequency Response: +/-0.1dB max deviation, 20Hz – 20kHz 

Maximum output level: 22V peak-to-peak 

Maximum gain: +30dB 

Channel cross-talk: 

Test conditions: Test signal input into left Line In jack. Sine wave at frequencies from 20Hz to 

20kHz tested. Gain adjusted to maximum value without clipping. Result given as a ratio of the 

appearance of test frequency measured on right Mod Out jack to left Mod Out jack. Test repeated 

with left and right jacks swapped. Worst-case results for any channel and frequency reported. Note: 

cross-talk is much higher when clipping occurs. 

@1kHz: <-110dB 

@10kHz: -78dB 

@20kHz: -74dB 

• Mod to Line section (bottom) 

Output: 68 impedance 

Input: 100k impedance 

Frequency Response: +/-0.1dB max deviation, 20Hz – 20kHz 

Maximum output level: 22V peak-to-peak 

Maximum gain: 0dB (unity) 

Channel cross-talk: 

Test conditions: Test signal input into left Mod In jack. Sine wave at frequencies from 20Hz to 

20kHz tested. Result given as a ratio of the appearance of test frequency measured on right Line 

Out jack to left Line Out jack. Test repeated with left and right jacks swapped. Worst-case results 

for any channel and frequency reported. 

20Hz – 20kHz: <-110dB 

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Summary of Contents for Listen IO

Page 1: ... as line outs or as headphone jacks so you and a friend can listen in stereo at the same time Each section has two inputs and outputs for use with a stereo signal or two mono signals An LED bar graph for each output shows the signal level and clipping The Listen IO features Line to modular conversion and modular to line headphone conversion Works with guitars table top synths effect pedals keyboar...

Page 2: ...mics that require power to be delivered over the cable Phantom powered and electret mics These jacks are mono If you have a stereo signal patch the left channel into the left jack and the right channel into the right jack Gain knob The Gain knob controls how much the Line In signal is boosted Although the signal paths of the left and right channels are separate this knob controls both channels The...

Page 3: ...means the signal level is not changed LED bar graph The LED bar graph displays the level of the attenuated signal The more lights that are on and the brighter they are the louder the signal Unlike the top half of the module the bottom half will never cause clipping and therefore there are no red lights Line Headphones Out jacks The two Line Out jacks output the attenuated signal These are multi pu...

Page 4: ...ratio of the appearance of test frequency measured on right Mod Out jack to left Mod Out jack Test repeated with left and right jacks swapped Worst case results for any channel and frequency reported Note cross talk is much higher when clipping occurs 1kHz 110dB 10kHz 78dB 20kHz 74dB Mod to Line section bottom Output 68 impedance Input 100k impedance Frequency Response 0 1dB max deviation 20Hz 20k...

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