Specifications - NAD 712 Service Manual

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DESCRIPTION PAGE
SPECIFICATIONS ws nlPc acd babac ct Sucaasid a ea uubatuaetncbeecdeadbaty eect cre sralearsenes tuna secct te Se ice cusnec dias 4-5
REAR PANEL / FRONT PANEL [=k ae BR PEE SETS 6
BLOCK DIAGRAM covcsscscessssorsocsasersnsonnssavesegsstnsstezontnissistessenessenorsustnnussbenansusenetohnuncatennnnegentsnecenine 7
WIRING DIAGRAM seeitee a Shes ssxceanusasiseSunslicasus cn a peas usa vas vaio nea waa aand Oaeenntc ate 8
DISASSEMBLY INSTRUCTIONS ........... s a n t a s Aen ch Ak nae neh clog eae 9
ADJUSTMENT POINTS DIAGRAM ...ccccssssssssssssessssssssessssesesessesesssseenssracsenseatarseseneeaeacenensaranseseeneas 10
ALIGNMENT PROCEDURE ......scccssssscssssssssssscnscerseesaesesnseacsenensensenenonersnenseseataraesseranesaneneasaearers 11-12
PCE VOUT ecratscedecchet Fata acueceata est ecaceh vets sbbce tuattsegta hacbvedttaaecnicomnazensd SS cetbacdsenciseaennes 13-16
SCHEMATIC DIAGRAM ccs 5sdsscce essneacas tees coca cetacauvs napestccauestoslceurede accctecastadeentagcacaeesabanussdeey 17-26
1G BLOG IK DURGA sisicscsicsivasecae esesicenavhcuscieaasteeuctabeltercafovicastnns leasnartericioiecccrucocaneeentanacs 27-30
EXPLODED: VIEW caciesitsicacelc sabsacasteicotecttecstabaleasectesterate
ced atten aaa ieiteneteniremeien aaa 31
EXPLODED VIEW PARES LIST sisccsdecssussviseassaseacosssckectpdedscsas
ats wtncncocvint sat cand cceeeccaniataobanaie 32-33
ELEC TRIGAE PARES LIST. siscerascsiessiesesiiascavenaniejatusscvevehesstncebihavleu
sla audettestaoerenteabent anne 34-39
PACKING DIAGRAM / PACKING LIST.......-s:s::s:ssssssesssssssssteessessenesnessserseensotenesvensonanseesseneneeneonenens 40
3
NAD-00126 / DRUCK 1
SPECIFICATIONS
POWER AMPLIFIER SECTION
THD (0.25W-30W, 20 Hz-20 kHz)
Continuous Power Output 8-ohm
(0.03% THD) 4-ohm
Clipping Power Output
(1kHz, 0.1% THD) 8-ohm
Signal / Noise Ratio
(A-wtd,ref.1W, 220-ohm source) 8-ohm
Frequency Response (20 Hz-20 kHz)
Dynamic Power (1 kHz) 8-ohm
Damping Factor at 50 Hz 8-ohm
Input Sensitivity (SOW) 8-ohm
Channel Separation 1 kHz
(15W) 10 kHz
Soft Clipping (0.1% THD, 8-ohm)
THD (SC ON)
Output Reduction(SC ON)
PREAMPLIFIER SECTION
Input Sensitivity (1V out, pre-out)
Frequency Response
(20 Hz-20 kHz, 500 mV in/out, pre-out)
THD (20Hz-20KHZ, 2V in/out, pre-out)
Signal / Noise Ratio ~ 8-ohm
(A-witd, 1W SPK out, 1K-ohm source, 500 mV in)
Tone Control Responses
Bass (50 Hz)
Treble (10 kHz)
Channel Balance L & R
Maximum Volume (15W)
-1 dB to -20 dB
-21 dB to -60 dB
-61 dB to -70 dB
Channel Separation 1 kHz
(2V in/out, pre-out) 10 kHz
Crosstalk
Source-to-Source 1 kHz
(2V in/out, pre-out) 10 kHz
Tape replay-to-tape record 1 kHz
(2V in/out, tape out) 10 kHz
Maximum Ouiput Level (0.1% THD, 500 mV)
Pre-out 1 kHz
Headphone (600-ohm load) 1 kHz
Maximum Input Signal
(0.1% THD, pre-out) 1 kHz
< 0.03%
2 30W
> 30W
2 33W
299 dB
0+0.6 dB
2 50W
2 50
1.07 + 0.05 V
> 70 dB
> 60 dB
< 10%
< 1.5 dB
165 + 20 mV
0+ 0.6 dB
< 0.02%