17 Feb 2018

Polk Audio Monitor 4 Series 2









Specs
2-way configuration,
bass reflex via front-firing plastic port,
tri-laminate polymer cone midwoofer Polk Audio MW 6502 165mm,
die cast frame, rubber surround,
tweeter Polk Audio SL 1500 25mm,
20-100W@8Ω,
35-25000Hz ±3 dB,
sens. 88 dB,
mm 216x362x190, kg 5,4.


14 Feb 2018

Marantz SR1020 (75SR1020/2A)






Specs
45Wx2@8Ω/20-20000Hz,
2x2 Toshiba A1263 C3180 power transistors,
2x4700µF Elna filter caps,
Elna components,
Marantz RC1020SR remote,
touch sensor (open/close),
phono mm,
fm/am/lw tuning,
30 preset,
timer,
1 ac outlet (switched),
mm 422x76x317, kg 6,0.


12 Feb 2018

Marantz DC1020 (75DC1020/2A)







Specs
(d)eck / (c)d player
|
(d)
2 heads,
2 dc motors,
full logic,
4 digit r/t counter,
Dolby B-C NR HX Pro,
No 30-14000 Hz ±3 dB,
CrO2 30-16000 Hz ±3 dB,
Me 30-16000 Hz ±3 dB,
S/N 58 dB (CrO2, Dolby off), 67 dB (CrO2, Dolby B, 1 kHz), 72 dB (CrO2, Dolby C, 1 kHz),
W&F 0,16%
|
(c)
1bit MASH conversion,
MN662714 dac / filter,
Philips CDM12.1N2T transport / pickup,
NJM072D op amp,
S/N ≥ 102 dB,
dynamic range ≥ 96 dB,
channel separation ≥ 90 dB @ 1 kHz,
10–20000 Hz ± *,* dB,
harmonic distortion ≤ 0,006% @ 1 kHz
|
Nippon Chemicon SME, Rubycon, Elna components,
horizontal tape loading,
Marantz RC1020DC remote,
touch sensor (open/close),
mm 422x76x309, kg 5,0.