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Summary of Contents for Carver Professional pt2400
- Page 1 Professional Stereo Power Amplifier...
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Page 2: Table Of Contents
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL operating and maintenance (servicing) instructions in the literature accompanying the appliance. Table Of Contents Introduction ............1 Installation pt1800/pt2400 Unpacking and Paperwork ........1 Location and Features and Specifications General Precautions........14 pt1250...............2 Mechanical Considerations ......14 pt1800...............4... -
Page 3: Introduction
4 ohms and 465 watts per channel into 8 ohms. The pt1800 is rated at 900 watts per channel into 4 ohms and 600 watts per channel into 8 ohms. The pt2400 is rated at 1200 watts per channel into 4 ohms and 750 watts per channel into 8 ohms. -
Page 4: Pt1250
pt1250 • features 465W per channel into 8 ohms instantaneously activate if one of the 625W per channel into 4 ohms following fault conditions is detected: XLR and 1/4” TRS input connectors Excessive High Frequency Accepts balanced or unbalanced lines Over Temperature Heavy-duty 5-way speaker binding posts Short Circuit... - Page 5 • features Continuous Average Output Power, both IM Distortion: <0.1% channels driven: Signal-to-Noise Ratio: 465 watts per channel >105dB, weighted, ref. to into 8 ohms from 20Hz to rated power into 4 ohms 20kHz, with no more than Slew Rate: 25V / µS 0.5% THD;...
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Page 6: Pt1800
pt1800 • features Lightweight- 46 lbs. Thermal Fully modular dual monaural design Clipping eliminator (from power switch to AC line cord). DC offset High efficiency (50% input to output). Soft start/Input mute Positive locking detachable dual AC line cords. Separate L/R AC line fuses Compact - only 12.75”... - Page 7 Power Output: CMRR: >70db @ 1kHz Both channels: driven (20Hz-20kHz) Maximum Current Draw: 8 ohm/ch. 600 watts 30 A (4 4 ohm/ch. 900 watts rated power) 2 ohm/ch. 1100 watt Display: 7 LED indicators per Power Output: Series mono operation channel, 1 green on, (20Hz-20kHz) 5 yellow signal, 1 red...
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Page 8: Pt2400
• features Lightweight- 48 lbs. Thermal Fully modular dual monaural design Clipping eliminator (from power switch to AC line cord). DC offset High efficiency (50% input to output). Soft start/Input mute Positive locking detachable dual AC line cords. Separate L/R AC line fuses Compact - only 12.75”... - Page 9 Power Output: Maximum Current Draw: Both channels driven (20Hz-20kHz) 40 A (4 8 ohm/ch. 750 watts rated power) 4 ohm/ch. 1200 watts Display: 7 LED indicators per 2 ohm/ch. 1500 watts channel, 1 green on, Power Output: Series mono operation 5 yellow signal, 1 red (20Hz-20kHz) clip/protect...
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Page 10: Controls And Functions
pt1250 Controls And Functions 1. CLIPPING ELIMINATOR Pressing this switch turns on the clipping eliminator circuit. In this mode, the amplifier output remains undistorted even when overdriven by 8dB. 2. LEFT/RIGHT VOLUME CONTROLS 10-step attenuators that adjust the relative output level of the pt1250. The amount of attenuation corresponds to the front-panel marking, in dB. - Page 11 6. POWER CORD Connect to a properly configured outlet providing the line voltage specified for your model. 7. FAN SPEED Push-button switch that sets the idle speed of the cooling fans. For normal usage, use the low-speed position. The fan speed is proportional to the amplifier power output. 8.
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Page 12: Pt1800/2400
Controls And Functions 1. POWER SWITCHES Channel 1 and Channel 2 power switches independently power up each channel. The slow start up feature of each power supply allows both switches to be pushed simultaneously. 2. SEQUENCE SWITCHES These switches make it possible to sequentially turn on and off amplifiers in one rack or multiple racks of units. A group of amplifiers can be powered up with the power switch on a designated master amplifier or remotely via a +5 to +15 VDC voltage source. - Page 13 9. INPUT CONNECTORS The pt2400/pt1800 amplifier comes equipped with XLR and Barrier inputs. The XLR connector is wired in parallel with the barrier strip connector on each channel. Channel 1 is used to drive both channels in either mono configuration.
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Page 14: Location And General Precautions
pt1250 Installation Location and General Precautions Observe the following precautions when choosing a location for your amplifier. A. Do not expose the unit to rain or moisture. If a fluid or foreign object should enter the unit, disconnect the power plug and contact an authorized dealer or service center. Do not pull out the plug by pulling on the cord;... -
Page 15: Output Wiring
CAUTION: Internal jumpers must be moved before this connection or operating mode is allowed. These changes must be made at the Carver Professional factory, or by a qualified service technician. Only the left input connections and level control are used in parallel mono mode. The minimum load impedance is two ohms or greater. -
Page 16: 70V Distribution Systems
Mechanical Considerations The pt1800 and pt2400 requires three rack space units (5.25”) and a depth of 12.75” inside the rack, including the rear supports. Secure the unit mechanically using four screws with washers to prevent marring the front panel. Neoprene rubber washers are a good choice because they grip the screw head and prevent them from backing out when vibrated or transported. -
Page 17: Ac Power Considerations
An electrician will refer to these AC branch circuits as “dedicated circuits”, because the equipment connected to them (that is, each pt2400/pt1800 channel) will draw as much current as the circuit can supply. It follows, then, that no other equipment may be connected to these same circuits because they are already loaded to maximum capacity. -
Page 18: Polarity
Class I (NEC) wiring must be used. The pt1800/pt2400 has two sets of output connections per channel. They alternate vertically top to bottom Ch.1, Ch.2, Ch.1, Ch.2. -
Page 19: Distribution Systems
Power ON Sequencing The pt2400/pt1800 have one sequence switch per channel that allows each channel to be powered up in 3 second intervals. The amplifiers power down at a much slower rate which is a function of the power supply decay. In very larg e systems it is advisable to sequence the amplifiers on and off in groups, with one master control amplifier per group. -
Page 20: Remote Power Control
Fig. 3 shows a typical set up in a 3 rack with 3 amplifiers. In this case the top amplifier is the master amplifier. Its channel 1 power switch controls the power up and power down sequence for the whole rack and possibly additional racks. -
Page 21: Operating Tips
In Case of Difficulty If you’re having trouble or suspect a problem with the pt1250/1800/2400, try some simple troubleshooting before contacting an Authorized Carver Professional Service Center. No Sound, No Power This is usually an indication of a power supply problem, either the power line itself or the amplifier’s power supply. -
Page 22: Care And Service Assistance
If you should have questions or comments, please write to the Factory address given below. Please include the model and serial number of your Carver Professional product, your complete address and a daytime phone number. -
Page 23: Warranty Information
Carver Professional. We suggest that you attach your purchase receipt to this Warranty and keep both documents in a safe place. Thank you for your choice of a Carver Professional A m p l i f i e r. - Page 24 18 0 Year Performance Warranty Guarantee Made In America A Division Of Phoenix Gold International, Inc. 9300 North Decatur Portland OR 97203 Tel: 503.978.3344 Fax: 503.978.3302 Part #8100.0089 Rev. B...
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