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Summary of Contents for Chameleon Labs 7622
- Page 1 Chameleon Labs Model 7622 Dual Microphone Preamplifier Owner’s Manual 704 228 Avenue NE, # 826 Sammamish, WA 98074 206-264-7602 www.chameleonlabs.com Revision B April, 2007...
- Page 2 70’s. The Chameleon Labs Model 7622 is based on high audio performance design techniques. By employing classic circuit design, polystyrene capacitors, a gold contact gain...
- Page 3 Features of the Model 7622: • Fully balanced transformer mic input and output; • Balanced XLR outputs; • Hi-Z direct inputs for instruments on the front panel; • 48VDC phantom power selector on the front panel; • 20 position gold contact rotary gain switch for both Mic and Line sections;...
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Page 4: Front Panel Controls
Front Panel Controls: (Left to Right, per channel) DI Button- This button routes the Direct Input jack into the unit. 48V Button- This button supplies 48 V.D.C. (Phantom Power) to the Microphone Input XLR jack. Ø Button- This button reverses the phase of the unit 180°. Microphone / Line sensitivity- This pot controls input level for the microphone and line inputs. -
Page 5: Connecting The Preamplifier
intentionally overdriven. The normal position for this control is wide open. Connecting the Preamplifier Audio Connection Microphone input connections are made with the female XLR connector on the rear of the unit. This connector is wired with pin 2 HOT, pin 3 common and pin 1 is ground. - Page 6 Power Supply Connection Two 4 pin, screw on type connectors will provide power to run the Model 7622 unit. A Model CPS1 power supply is required to power this unit. The CPS1 power supply contains a toroidal transformer to reduce 60Hz hum. To insure quiet operation, mount the power supply at least one rack space away from the Model 7622 main unit.
- Page 7 First time users Set up of the Model 7622 1- Select 40 dB on the Microphone / Line sensitivity control. Turn the Output control fully counter clockwise. Make certain that the DI, 48V, and Phase buttons are all out. 2- Connect a microphone to the Female XLR plug on the rear panel.
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Page 8: Specifications
5- When an electronic instrument such as an electric guitar is used, it may be plugged directly into the ¼” DI plug located on the front panel. Press the DI button in to select this input device. 6- If phase reversal is needed, press in the phase button (a zero symbol with a diagonal line through it). -
Page 9: Warranty And Liability
Input signal was 1v rms input signal and 20dbu output signal. Warranty and Liability Your Chameleon Labs product is warranted to the original owner for a period of one year. Chameleon Labs guarantees this product to be free from electrical and mechanical defects and will repair or... - Page 10 Chameleon Lab’s option. Should service be required for your Chameleon Labs product, please contact the manufacturer. Service is provided for products beyond the warranty period. Seller warrants that the goods are described in this agreement, but no other express warranty is made in respect to the goods.
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