Marantz 2245 Service Manual page 2

" 'SPECIFICATIONS
Audio Circuits:
simultaneously; 20 Hz to 20,000 HZ jaa verse ee eee eke vee eee irene ees 45 Watts at 4 and 8 ohms
5
25 Watts at 16 ohms
Compatable Total Music Power (IHF) 3 .c 3 cc ew erantetwen nds Gaeta at aewe s 135 Watts at 8 ohms
High-level hum and noise (ref. 4OW at Bohms) ... 16. ee cette eee —80 dB
Phono hum and noise 2... ee en eee eee eee nent teen nnes 1.5 nV equivalent input
Dynamic range (phono input to tape recording Output) . 0... eee eee ete nee 96 dB
i. Me Distortion (SMPTE),.at tated POWEF. a. cae ee aoe cae es we ae Oe peewee eed ewes 0.3%
Distortion decreases as output is lowered
Total Harmonic Distortion, at rated poWer «6. cee ee eens 0.3% Maximum
ue ~~ Distortion decreases as output is lowered
wa. ower Bandwidth (IHF) for 0.3% THD 2.0.0... 0. ccc eee cece cece e ees ene serene 7 Hz to 70,000 Hz
Damping Factor (ref. 8 OPTS)'. <2 Soe Sess Nee eS akg Sb Seether beter oa be ala Ree Rawat eh Greater than 45
Frequency Response
Through phono ttt tt ttt teen ee ene eee e eee +7dB
tnput Sensitivity (for 40W at 8 ohms)
FIG IOV. | wecck Slaieicel ooo Se les a eh See 0 de eeu ets Se ae GR Ea ATE Oe IG Ege Sale wegen ieee a 180 mV
Phono T1000 HZ) Aas este aetna ey et i eaters Rach ae eae aee & KS aha Aa we aa 1.8 mV
Input |!mpedance :
High-level re 100,000 ohms
PHOMO = acdc cook ae woke PA oe en eg BIS ek nde beat peal Taal URE se gaseina la aia ee eee kaka: 47,000 ohms
Channel Separation 20 Hz 10: 20,000 HZ 5. .ae cree raids Beene t ae ee eg dane S 35 dB Minimum
FM Sections:
THE Usable Sensitwityes Gat so aaee 626 ae ade ea oe oo pe ema ete Ma hetie argtaud walneaee ace 2.3 uV
SSFECEIVFEY? atin. wand pas ee row PO Pe ae eee ee Ree E ROMA ee ta ee aee ees 60 dB
INDISEQUTBEING =o vos kor ase ae ak wk oe er a ae UN oe ts i Se A salt arid ea veh eieaea ~55 dB at 5uV
eet —60 dB at 10uV
. , —65 dB at 50ynV
Total Harmonic Distortion, 400 Hz, 100% Mod. ....... 02... cee eee eee (Mono) 0.2% (Stereo) 0.4%
Frequency Response (ref.75u sec. deemphasis) 2.2... 0... eee eee ee +1dB 50Hz to 15KHz
Stereo Separation score bi ha dee ane tesew Sa ee ks Ge net at ele Stew 4 1,000 Hz 40 dB
Sub- Carrier (38-kHz) Suppression sce. sea si ae eee ee se ore H o b s pidlne a Seated eaees 60 dB
General:
Power Requirements sc vadie sy ete eed dua eenree ee bee ee eton be hee aes 100/17 20/200/220/240V AC
~ 50to 60 Hz
At rated output, both channels operating
......... 0.0 cee eee
eee e eee n eee
ues 310 Watts
idling Power (Volume Control at zero) oo... ec ent e ee nee eens nees 34 Watts
Dimensions
PARC UAW ors
aerate velueuoue Rin use
Pe tem hg ad same Mae Ales e Ls 17 2"/g4 Inches
Panel HEIN 24h anv washes fire tt ate ae at dt pests, Whar ace lanes 5 25/4, Inches
SRO RI ti Sake once ib ME a Ne 5 oO deat Nanelgd wu eae t ee uia BAT y tandltras 14 Inches
Weight
ME ANON i ail ny iG Sa
o n ole ich dae dis
cao
Chan Akan etait Sto ale 34.5|bs
Packed for shipment 3... P y dea ese A t Pact Cece e ee e s s . 44.5ibs
* These speciticati j : . . .
S E SPECHNCATIONS and exte: yr designs may he cnanged for improvement without advance notice.