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FOR VORTEX MODELS: 2.6, 4 & 6 Copyright 2001 by CAMCO Produktions-und Vertriebs-GmbH © Fischpicke 5, D-57482 Wenden, Germany Telephone +49 (0)2762 408-0 CAMCO USER MANUAL P.2 VORTEX POWER AMP SERIES VORTEX OWNER’S MANUAL
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CAUTION - HIGH VOLTAGE HAZARDS CAUTION EXIST WITHIN THIS PRODUCT. ! RISK OF ELECTRIC SHOCK PLEASE REFER ALL SERVICING TO ! DO NOT OPEN AUTHORISED PERSONNEL THE LIGHTNING FLASH WITH ARROW HEAD SYMBOL, IS INTENDED TO ALERT THE USER TO THE PRESENCE OF UNINSULATED “DANGEROUS VOLTAGE” WITHIN THE PRODUCT’S ENCLOSURE THAT MAY BE OF SUFFICIENT OPERATING MAGNITUDE TO CONSTITUTE A RISK OF ELECTRIC SHOCK TO PERSONS THE EXCLAMATION MARK IS INTENDED TO ALERT THE USER TO THE PRESENCE OF IMPORTANT AND MA
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1.0 Read Owner’s Manual 8.0 Object And Liquid Entry When shipping the VORTEX amplifier, always use the original shipping carton Never push objects of any kind into this product through openings as they may and packing materials. For maximum protection, repack the unit as it was touch dangerous voltage points or short out parts that could result in a fire or originally packed at the factory. electric shock. Never spill liquid of any kind on the product. 2.0 Environments 9.0 Accessories Use thi
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restore the product to its normal operation. If the product has been dropped or damaged in any way. When the product exhibits a distinct change in performance this indicates a need for a service. 13.0 Servicing Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards. Please refer to your dealer/distributor. 14.0 Replacement Parts When replacement parts are required, be sure the dealer/distributor uses replacement pa
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EC Declaration of Conformity in accordance to EC Directives: electro-magnetic compatibility (Council Directive 89/336/EEC, as amended by Directives 92/31/EEC and 93/68/EEC); low-voltage electrical equipment (Council Directive 73/23/EEC ) Manufacturers Name: CAMCO Produktions- und Vertriebs- GmbH Manufacturers Address: Fischpicke 5 57482 Wenden Germany Declares that the product with the model name: CAMCO Power amplifier VORTEX 2.6, VORTEX 4 and VORTEX 6 Conforms to the following standards: EN60
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P.3 EXPLANATION OF SYMBOLS 4.3.2 Signal Indicators 5.2.5 CAI - Status Indicator P.4 SAFETY 4.3.3 Clip/Output Current Indicators 5.2.6 Overview or Remote Controls with CAI P.6 DECLARATION OF CONFORMITY CE 4.4 Power Amp Protection Systems P.23 6.0 TROUBLESHOOTING P.7 CONTENTS 4.4.1 Clip Limiter 6.1 On LED Flashing Sequences P.8 1.0 WELCOME 4.4.2 Under Impedance Limiter 6.2 Examples of LED Sequences 1.1 Welcome to CAMCO 4.4.3 Speaker Protect Limiter 6.3 Problem: No Sound 1.2 Unpacking 4.4.4 SOA Pro
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1.1 Welcome to CAMCO 1.2 Unpacking Established in 1983, CAMCO has gained worldwide experience with Please unpack and inspect your new amplifier for any damage that may have professional sound reinforcement technology. Within the audio market, occurred during transit. If damage is found, notify the transportation company CAMCO specialises in the production and marketing of high quality power immediately. Only you the consignee may initiate a claim for shipping damage. amplifiers and sound syst
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1.3 The amplifier The VORTEX has been designed as an intelligent and powerful product for The VORTEX is a Class-H power amplifier with a power output of 3 kW per performing specialised tasks within a complex audio system. Users can adapt channel / 2 Ohm load (6 kW in mono / 4 Ohm load) for VORTEX 6, 2 kW per the power amp to meet their specific audio requirements before use. Controls channel / 2 Ohm load (4 kW in mono / 4 Ohm load) for VORTEX 4 and 1300 W mounted on the front and the rear of
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9 10 11 1 2 3 4 5 6 7 8 VORTEX - The Front VORTEX - The Rear 1 ON / OFF Switch 7 Removable Air Filter System 12 AC Power Cable 18 Limiter Switch 2 Volume Control - Channel A 8 Cooling Air Inlet Vents 13 CAMCO Audio Interface (C.A.I.) 19 Gain - Selector 3 Volume Control - Channel B 9 Enter-Switch (behind Front Panel) 14 Speakon Connectors 20 Extended User Interface (E.U.I.) 4 On / Failure Indicators 10 Operating Mode Indicators 15 Cooling Vents 21 XLR - Line Inputs 5 Signal Indicators 11 CAI Stat
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3.1 On/off Switch 3.2 Precautions NOTE: This switch does not isolate the appliance from mains. When mounting or connecting the amp always disconnect it from mains. It initiates start-up by activating the inrush current limiter. When the amp is connected to mains, only the line-filter and the input of the silicon controlled 3.3 Mounting rectifier (fused) are energised. Use four screws and washers when mounting the amplifier to the front rack rails. Rear support is also recommended, especially i
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3.4 Cooling 3.6 Wiring Under normal operation of the power amp, overheating should never be a problem. The temperature of the cooling air will depend on the immediate 3.6.1 SPEAKON Connection environment (e.g. an enclosed rack, direct sunlight) and on whether the front 4 Ohm speaker cabinets in parallel filter is clogged. If the amp is installed in a case, the open area at the back of Use the contacts in both SPEAKON connectors for each channel. If not, this may the case must be at least 140
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3.6.2 E.U.I. and XLR Connection 3.6.3 Mode Indicators XLR: Pin 1 Ground (or lifted via 15 Ohm resistor) On the front panel there are two yellow LED’s to indicate the mode that is set. Pin 2 Hot In stereo mode none of them will be lit. In Parallel Mono the (PM) LED will be lit Pin 3 Cold and in Mono Bridge, the (MB) LED will be lit. Always use symmetrical (balanced) shielded cable to connect the amplifier wherever possible. To Gnd Lift Switch To Ch. A input stage To Ch. B input stage Stereo =
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3.6.5 Stereo Operation WARNING! Two fully independent amplifier channels (normal operating mode). RMS output voltages as high as 230 V are available at the output. Wiring to the speaker loads must conform to NEC Class 3 safety standards. MODE PARALLEL BRIDGE VORTEX MONO STEREO 3.6.7 Parallel-Mono Operation Parallel operation of the two channels together. MODE PARALLEL BRIDGE MONO VORTEX STEREO 3.6.6 Bridge-Mono Operation One-channel mono bridged operation. MODE PARALLEL BRIDGE MONO VORTEX ST
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3.7 Input Signal Chaining The input signals to the XLR connectors can be hard-wired in parallel using a switch on the E.U.I. (See 3.6.2, Switch 1, 5.1, Extended User Interface and 5.1.1, Input Signal Parallel Switch). This serves as a replacement for an external short XLR female - XLR male cable for parallel linking the signal inputs. Switch S1 CAUTION: Linking channels together can cause damage to system components if for example two inputs are used with separate ‘LF’ and ‘HF’ feeds. If
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4.1 Precautions improved noise characteristics. The implementation is comparatively simple: Only connect the VORTEX amplifier to a appropriate AC circuit and outlet, the volume potentiometers pass the relevant control information (quieter or according to the requirements indicated on the rating plate label. louder depending on the adjustment made to the potentiometers) to the microprocessor. The microprocessor then adjusts the power amp output using various strategies implemented in software
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Left position: 4.3.3 Clip / Output Current Indicators LIMITER Clip Limiter: OFF & Speaker Protect: OFF The clip LED’s are bi-coloured: green / red. Each colour indicates a different OFF SpP Clip status. SpP (See 4.4.1,Clip Limiter and 4.4.3, Speaker Protect Limiter) 4.3 Indicators 4.3.1 On / Failure Indicators Under normal operation, after the amp has started, the green power LEDs are permanently lit. A variety of different sequences of flashing LEDs are used to The green section is subject
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4.4 Power Amp Protection Systems maximum out of it, switch Speaker Protect off. For all other applications (e.g. Full Range) it’s recommended to switch Speaker Protect on. 4.4.1 Clip Limiter If the power amp is overdriven, the clip detection circuit triggers the micro- 4.4.4 SOA Protection processor. The processor reduces input signal level by controlling the DAC. Whenever the power transistors leave their Safe Operation Area (SOA), the The strategy is implemented in software. For sinusoidal s
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4.4.6 DC Servo 4.5.3 Mains Failure Detection To Prevent DC-Offset at the Speaker output the VORTEX is fitted with two Mains failure detection is always operative. When the mains supply is DC-Servos. (Hence there are no capacitors in the signal path!) interrupted for about 2 mains cycles, the amplifier will be switched off. When the mains voltage returns to a normal value, a soft start occurs. 4.4.7 Power Amp Over Current Protection Over current is permanently controlled in the output stage.
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4.7 Fans The fans mounted in the VORTEX operate permanently, but as long as the temperature remains below 40 °C they run at their slowest speed and can hardly be heard. The highest detected temperature from either channel controls the speed of the fans: above 40 °C the speed is increased until it reaches its maximum value. 4.8 Filter Cleaning A removable filter system is provided on the air intakes to the cooling system. If the filter becomes clogged, the unit will not cool as efficiently as it
