17
Operating Manual
Mark Levinson
®
Nº29
Dual Monaural
Power Amplifier
Madrigal Audio Laboratories, Inc.
Page 1: ...17 Operating Manual Mark Levinson N 29 Dual Monaural Power Amplifier Madrigal Audio Laboratories Inc...
Page 2: ...E The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of...
Page 3: ...tem contact a licensed electrician for assistance 3 AC extension cords are not recommended for use with this product If an extension cord must be used be sure it is an approved type and has sufficient...
Page 4: ...ou for choosing the Mark Levinson N 29 Dual Monaural Power Amplifier A great deal of effort went into the design and construction of this precision device Used properly it will give you many years of...
Page 5: ...ion 5 Speaker connections 6 Speaker cables 6 Lug connection 6 Figure 6 Spade and hook lugs 6 Pigtail connection 6 Figure 7A Pigtail connection 6 Figure 7B Pigtail connection 7 Figure 7C Pigtail connec...
Page 6: ...lation and to prevent heat buildup The N 29 incorporates thermal sensors located near each group of output devices If the internal heatsink temperature becomes excessive these sensors will shut off th...
Page 7: ...ANNEL LEFT CHANNEL OPERATING VOLTAGE 90 110 VAC 105 125 VAC 180 220 VAC 210 240 VAC 230 250 VAC 47 400 HZ INPUT INPUT BALANCED BALANCED INPUT INPUT D E S I G N E D A N D M A N U F A C T U R E D I N U...
Page 8: ...ngle ended inverting and balanced normal non inverting operation If you have questions about these or other methods of signal connection see your Mark Levinson dealer Before making any signal or speak...
Page 9: ...ure to also connect Pin 2 to Pin 1 inside the XLR type male line mount connector with a piece of copper buss wire or similar material at the amplifier end of the cable Note If you prefer not to connec...
Page 10: ...don t wire the connector so that the appropriate output pin connects to the equivalent input pin When complete connect the main outputs of the preamplifier to the left and right channel XLR type inpu...
Page 11: ...pade lug Hook lug We confidently recommend Madrigal binding post lugs made of oxygen free copper with gold over silver plating These lugs are available for round cable see your Mark Levinson dealer fo...
Page 12: ...e of speaker terminal this procedure may also be used for the speaker end of the cable When the speaker cables are complete connect the left channel positive or red output post of the N 29 to the posi...
Page 13: ...red at all times except when you won t be using it for a long period see Important Safety Instructions The N 29 is designed to be power cycled that is turned on and off without affecting its longevity...
Page 14: ...eps below Balanced bridged operation From preamplifier balanced main output Balanced bridging cable PUSH PUSH Loudspeaker N 29 Figure 9 Connections for balanced bridged operation 1 For balanced bridge...
Page 15: ...ositive or red output post of the N 29 to the positive or red input terminal of the appropriate loudspeaker Connect the right channel positive or red output post of the N 29 to the negative or black i...
Page 16: ...nterconnect cable such as Madrigal HPC 2 1 3 Left channel XLR male line mount rear view 2 1 3 Signal ground shield Right channel XLR male line mount rear view Signal hot center conductor 22 guage buss...
Page 17: ...ections cause sonic degradation We recommend therefore that you clean all speaker connection with denatured alcohol at least once a year Consult your Mark Levinson dealer for other ways to optimize co...
Page 18: ...lts rated line voltage 8 Frequency response 3dB 4Hz 122KHz Input impedance 50K shunted by 1 5nF Voltage gain 26dB Power consumption Typically 100W idle 200W rated power 8 Overall dimensions See Dimens...
Page 19: ...3 0 1 9 16 39 7 4 29 64 113 1 1 TYP 25 4 1 7 16 TYP 36 5 1 8 3 2 17 1 4 438 2 2 53 64 71 8 5 7 8 174 8 5 1 4 133 4 13 16 20 7 7 64 2 8 5 8 15 9 2 21 64 59 1 1 5 8 41 3 1 7 16 36 5 21 32 16 7 3 45 64 9...
Page 20: ...l Audio Laboratories Inc All rights reserved MADRIGAL AUDIO LABORATORIES 2081 South Main Street P O Box 781 Middletown Connecticut 06457 USA Telephone 203 346 0896 Fax 203 346 1540 is a registered tra...
