Related Manuals for Chameleon Labs 7681
Summary of Contents for Chameleon Labs 7681
- Page 1 Chameleon Labs Model 7681 Discrete Class AB Microphone Preamplifier Module Owner’s Manual 704 228 Avenue NE, # 826 Sammamish, WA 98074 206-264-7602 www.chameleonlabs.com Revision A May, 2010...
- Page 2 By employing classic circuit design, polystyrene capacitors, hand selected components and custom wound transformers, Chameleon Labs ensures that the Model 7681 will exhibit classic audio sound. It is also designed to comply with any 500 series powered chassis approved by the ®...
- Page 3 Features of the Model 7681: • Fully balanced transformer mic input which can be upgraded to a vintage Carnhill® unit; • Transformer balanced output; • 300 Ohms or 1.2K Ohms mic input impedance selectable on the front panel; • 48VDC phantom power selector on the front panel;...
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Page 4: Front Panel Controls
Front Panel Controls: General rule: When the button is pressed in, the feature is selected and the LED illuminates. 48V Button- This button supplies +48V (Phantom Power) to the microphone circuit. 1.2K/300 Ω- This button selects the microphone input impedance to either 300Ω... - Page 5 Installing the Preamplifier Card The Chameleon Labs Model 7681 has been designed to be powered by an API® compliant powered chassis. Consult the chassis’ product manual for further information. The card can also be powered by the Chameleon Labs CPS-...
- Page 6 First time users Set up of the Model 7681 1- Select 40 dB on the Gain control. Turn the Output control fully counter clockwise. Make certain that the DI, 48V and Phase buttons are all out. 2- If the microphone requires Phantom Power, press in the 48V button.
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Page 7: Technical Specifications
Technical Specifications Microphone Input Impedance: 300Ω or 1,200Ω Microphone Amplifier Gain: +25 dB to +80 dB in 5 dB steps. Output Impedance: 100Ω Noise: -115.5 dB Maximum Output: +26 dB into 600Ω Frequency Response: 20Hz – 20 kHz +/- 1 dB. Dimensions and Weight Weight: 2 pound 8 ounces Dimensions: Width –... -
Page 8: Warranty And Liability
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 replace defective components, or replace the unit at Chameleon Lab's option.