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Owner’s Manual

Nº33H

Monaural 

Power Amplifier

Summary of Contents for N33H

Page 1: ...Owner s Manual N 33H Monaural Power Amplifier...

Page 2: ...ence receptacles or the point where it exits from the apparatus 12 Only use attachments and accessories specified by the manufacturer 13 Unplug this apparatus during lightning storms or when unused fo...

Page 3: ...echnician for help Caution Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment Canada This Class B digital...

Page 4: ...icate important operation and maintenance instructions included in the accompanying documentation Appears on the component to indicate compliance with the EMC Electromagnetic Compatibility and LVD Low...

Page 5: ...Operation 6 Special Design Features 7 Massive Power Supply 7 AC Power Regeneration 7 Fully Balanced Design 8 True Voltage Source 8 Extensive Protection 8 Front Panel 10 Rear Panel 11 Linking 15 Makin...

Page 6: ...tate the unpacking process DO save all screws and packing materials for possible future shipping needs DO inspect the N 33H for signs of damage during shipment If damage is discovered contact an autho...

Page 7: ...t the front of the N 33H must begin to support its weight To do this use the handle built into the sculpted faceplate located just above the Mark Levinson logo or the front heat sinks 3 Continue to sl...

Page 8: ...or undue strain You should also position each amplifier for easy access to the rear panel power switch This switch effectively disconnects the ampli fier from the AC mains Caution Before moving the N...

Page 9: ...Be advised that different operating voltages may require the use of different power cords and or attachment plugs Contact an authorized Mark Levinson dealer for assistance Your Mark Levinson N 33H Mo...

Page 10: ...d when the N 33H is powered off with the rear panel ac mains relay switch or the power cord is disconnected from the electrical outlet or an extended power fail ure or power outage occurs Power is not...

Page 11: ...nary finesse AC Power Regeneration The detrimental sonic effects of noisy unbalanced AC power supplies are widely known Commercially available passive AC line conditioners provide some measure of AC p...

Page 12: ...loudspeakers Ten complementary pairs of output transistors are used in both the inverting and non inverting output stages No known high quality loudspeaker can continuously absorb the full power of th...

Page 13: ...In rush limiting prevents premature aging of power supply components during power up and switches to off line once the power supply has been charged Finally the N 33H incorporates a controlled clippi...

Page 14: ...a bilize the N 33H is toggled between standby mode and fully on To turn the amplifier completely off press and hold the stand by button for approximately one second until the front panel indicator lig...

Page 15: ...the power cord Danger Dangerous voltages and current capabilities exist within the N 33H even when the power cord is unplugged There are no user serviceable parts inside the amplifier Refer all servic...

Page 16: ...ts to the appropriate output pin Pin 1 Signal ground Pin 2 Signal non inverting Pin 3 Signal inverting Connector ground lug chassis ground Note Before making balanced connections remove the U shaped s...

Page 17: ...uit power amplifier outputs NEVER connect power amplifier outputs to another power amplifier s outputs For best performance use high quality loudspeaker cables with either spade or hook lugs Connect t...

Page 18: ...acks Provide DC trigger control One 1 8 inch 3 5mm mini jack is available to receive 5 12V DC signals from a connected compo nent and one 1 8 inch mini jack is available to pass these sig nals along t...

Page 19: ...N 38S N 300 Series preamplifiers including the N 320S N 326S N 380 and N 380S N 400 Series power amplifiers including the N 431 N 432 N 434 and N 436 N 39 and N 390S CD Processors Refer to the approp...

Page 20: ...connection Use a 6 pin RJ 11 plug when connecting to a power amplifier RJ 11 plugs provide a 6 pin connection in which connector pins 7 and 8 are not used Note BEFORE making Link connections refer to...

Page 21: ...lave out communication port on the N 33H to the slave in input communication port on another power amplifier Up to six power amplifiers can be included in a slave chain using daisy chain slave in inpu...

Page 22: ...each component to complete its initialization sequence before proceeding to the next component A Digital Transports B Digital Audio Processors C Preamplifier D Power Amplifiers begin with the first p...

Page 23: ...ault condition codes are described in the table to the right Placing a linked power amplifier into standby also places all other linked power amplifiers into standby Taking a linked power amplifier ou...

Page 24: ...33H In this case disconnect the power cord from the electrical outlet Then contact an authorized Mark Levinson dealer Do not attempt to replace the fuse There are no user serviceable parts within the...

Page 25: ...his occurs a Power the N 33H off with the rear panel ac mains relay switch b Disconnect the input signal and loudspeaker wires c Wait 10 seconds d Power the N 33H on with the ac mains relay switch If...

Page 26: ...moving with the grain of the anodized brushed aluminum Do not use excessive amounts of alcohol that could drip off the cloth and into the unit 2 Following the cleaning with alcohol dampen a clean clo...

Page 27: ...in 0 2 dB from 20Hz to 20kHz Signal to Noise ratio 75 dB CCIR Input impedance 100k balanced 50k unbalanced Voltage gain 26 8 dB Input sensitivity 1 59V full rated output Power consumption 360W in idle...

Page 28: ...Dimensions 24...

Page 29: ...5 A1 2001 Manufacturer Harman Specialty Group 3 Oak Park Bedford MA 01730 1413 USA The equipment identified here conforms to the Directive s and Standard s specified above Type of Equipment Monaural P...

Page 30: ...26 Notes...

Page 31: ......

Page 32: ...ephone 781 280 0300 Fax 781 280 0490 www marklevinson com Customer Support Telephone 781 280 0300 Sales Fax 781 280 0495 Service Fax 781 280 0499 Product Shipments 16 Progress Road Billerica MA 01821...

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