V700
Audio Modules


CH709
Test Tone Oscillator with variable Output Level and 21 fixed Frequencies

The CH709 is a high quality, stable audio test tone generator that can also be used for aligning studio devices and lines. A stepped switch can select 21 fixed frequencies between 20Hz to 20kHz. Another stepped rotary switch selects the output level on the usual studio levels, -3dBu (-9dB), +6dBu, +9dBu, +15dBu and +20dBu.

These level values are internally balanced. When the fixed level switch is placed on the VAR position, the LEVEL RANGE and the LEVEL FINE pots can both be used to infinitely adjust the output level. The LEVEL RANGE pot has a range from -70dBu to +30dBu, and the LEVEL FINE pot ranges from 0 to 10dB.

The test tone generator is equipped with two balanced and floating outputs that can supply an output level of +30dBu @ 20Hz and has a resistive load of 300 ohms. Output 1 always sends signal when the switch OSC-ON is turned on, and output 2 sends signal if, in addition, the switch OUTPUT-ON is on.

The CH709 test tone generator is a standard V700 module and fits into standard mounting frames.

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Specifications
fits into Standard Frames
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Custom Colors for Faceplate, Knobs, and Switch Caps

AUDIO MODULES :
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