Carvin C2400 Instruction Manual - Page 2
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CARVIN ENGINEERING DATA C1600 16CH & C2400 24CH STEREO MIXER OPERATING MANUAL RECEIVING INSPECTION-read before getting started INSPECT YOUR MIXER FOR ANY DAMAGE which may have occurred during shipping. If any damage is found, please notify the shipping company and CARVIN immediately. SAVE THE CARTON & ALL PACKING MATERIALS. In the event you have to re-ship your unit, always use the original carton and packing material. This will provide the best possible protection during shipment. CARVIN and the shipping company are not liable for any damage caused by improper packing. SAVE YOUR INVOICE. It will be required for warranty service if needed in the future. SHIPMENT SHORTAGE. If you find items missing, they may have been shipped separately. Please allow several days for the rest of your order to arrive before inquiring. RECORD THE SERIAL NUMBER on the enclosed warranty card or below on this manual for your records. Keep your portion of the card and return the portion with your name and comments to us. Congratulations on the purchase of your mixer. Your new Concert Series mixer demonstrates CARVIN's commitment to producing the highest quality and most sophisticated engineering in the audio industry today. The "C" series mixers are designed to be professional mixers for use in live performance sound reinforcement systems. Features include a full function stereo mixer with two nine band graphic equalizers. Exclusive features include grouped phantom power and internal 24 BIT stereo digital effects. The high quality construction will provide years of performance in and out of the studio. Enjoy your new mixer. OVERVIEW The MIC/LINE input channels feature Balanced XLR and TRS 1/4" inputs with grouped phantom power for condenser mics. There are 3 bands of EQ with a MID SHIFT and LOW CUT, 2 post fader effect sends, and 2 monitor pre-fader sends on each channel. The master section features two 9 band graphic EQs, master stereo main and monitor mix controls, a mono main control, a complete 16 program effects processor with send and return controls that allow the effects to be heard through the main mix and monitor mix, and stereo external effects returns. CHANNEL EQ WITH ACTIVE TONE CIRCUITS The Concert Series incorporates 3 bands of EQ per channel. They offer smooth non interactive tone curves so your adjustments will sound natural and yet be effective. The high (treble) and low (bass) "shelving" type controls cover the complete upper and bottom portions of the audio range. The LOW CUT switch provides instant elimination of unwanted low frequencies below 75 Hz. The MID EQ controls are a "band pass" type which peak at 2.5k Hz or 700 Hz (depending on the MID SHIFT switch) for added presence to your mid range tones . Because CARVIN uses "active" tone circuits, you are able to boost or cut your tones without any signal loss to your sound. INTERNAL SIGNAL ROUTING A balanced mic or instrument plugs directly into the high quality XLR Neutrik™ connectors and is then routed into the differential circuits for excellent hum and noise cancellation. As your signal continues within the console, a double-sided printed circuit board (FR-4 fire rated) carefully guards the circuit traces with a copper shield running over the traces. This reduces RF interference and crosstalk substantially. The printed circuit board has plated-through holes which means that every component is soldered securely in three places (on the bottom, in the hole and on top). This offers unsurpassed component security while reducing circuit resistance for pure dynamic sound. HEADROOM Headroom is very important when designing a mixer-especially for recording. Lack of headroom will cause your sound to become distorted and muddy. This can happen when you turn the volume too high, the input signal is too hot or excess EQ is added. With most mixers, you have to reduce the input gain to fight headroom problems, but this just increases noise. That's why we have taken great care in the "C" series to make sure that each gain stage is properly designed and balanced for more headroom along the entire audio path. SWITCHING POWER SUPPLY The Concert Series power supply offers unsurpassed rejection of noise and hum while providing precision voltage for all preamp stages. The internal switching power supply takes the 60 Hz AC line input and immediately converts it to 100kHz well outside of the audio range. The 100kHz AC is sent through a transformer and converted to precision DC voltages. Now you can go anywhere and never worry about inconsistent sound due to fluctuating voltages because your mixer automatically switches internally to use 120 or 240VAC. (120VAC & 240VAC compatible with the proper AC cable) CARVIN has spared no expense to achieve the best possible quality & performance. For your records, you may wish to record the following information. Serial No Invoice Date C1600& C2400 BLOCK DIAGRAM PFL L R EFF 1&2 EFF 3 MON 1 MON 2 CHANNELS MIC LINE PAD line pad (-11dB) MIC PRE GAIN INSERT LCOUT THREE BAND CHANNEL TONE CONTROLS HI MID LOW MUTE PAN LEVEL PFL EFF 1&2 EFF 3 MON 1 MON 2 PFL L R EFF 1&2 EFF 3 MON 1 MON 2 LEFT TAPE IN RIGHT MON 1 RETURN LEVEL INTERNAL DIGITAL EFFECTS HEADPHONE AND METER SWITCHES HEADPHONE LEVEL L - R METERS MONO HEADPHONE OUTPUT BAL OUT LEFT BUSS FADER MONO FADER Unbal OUT RIGHT BUSS FADER MONITOR 1 MON 1 LEVEL MONITOR 2 MON 2 LEVEL DUAL 9 BAND GRAPHIC EQ AND ASSIGNMENT SWITCHES MONITOR 1 BAL TRS MONITOR 2 TAPE OUT TAPE OUT BAL TRS Unbal OUT BAL OUT LEFT Unbal OUT BAL OUT RIGHT EFFECTS 1 LEVEL LEFT EFFECTS RETURNS ONE AND TWO RIGHT 76-02400 498 MON 1 RETURN LEVEL EFFECTS 1&2 EFFECTS 3 EFFECTS 2 LEVEL EFFECTS 2 OUTPUT EFFECTS 3 LEVEL EFFECTS 3 OUTPUT C1600 & C2400 SPECIFICATIONS: Frequency Response: Mic or Line Inputs: 20Hz-20KHz ±1dB Total Harmonic Distortion: Less than .01% Equivalent Input Noise: 150 ohm source: -112dBu Output Noise: less than -90dBu Master Line Out (all levels minimum) Output Headroom: +28dB XLR bal, +20dB 1/4" unbal Maximum Gain: Mic in to Master Line Out: 74dB Crosstalk: Adjacent ch's: -60db at 1KHz Common Mode Rejection: -80db at 1KHz Phantom Power: All XLR Mic in (channel groups of 8) Channel EQ.: 3 band active,LOW: 80Hz ±15dB MID: 2.5K or 700 Hz±15dB HI: 11.5KHz ±15dB Graphic EQ.: 9 Band Oct. Intervals ±12dB Mic Input: Balanced XLR input Line Input: Balanced 1/4" Phone Jack Power Consumption: C1600: 30VA, C2400: 40VA Size: C1600: 14"D x 23"W x 3.1"H C2400: 14"D x 30"W x 3.1"H 12340 World Trade Drive, San Diego, CA 92128 (619) 487-1600 (800) 854-2235 www.carvin.com
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