Showing posts with label 1990. Show all posts
Showing posts with label 1990. Show all posts

15 Oct 2020

Polk Audio SDA 2B (Real Wood)





Specs
3-way configuration,
closed box (passive radiator),
bass radiator Polk Audio SW121 300mm, rubber surround,
polymer cone midwoofer Polk Audio MW 6503 165mm, SDA dimensional driver, rubber surround,
polymer cone midwoofer Polk Audio MW 6511 165mm, stereo driver, rubber surround,
dome tweeter Polk Audio SL 2000 25mm, silver coil,
Stereo Dimensional Array,
30-350W@6Ω,
16-20000Hz ±? dB,
38-20000Hz -3 dB,
sens. 90 dB,
mm 420x1005x290, kg 36,3.


20 Apr 2020

Proton AM-452




Specs
2x25W@8Ω/20-20000Hz,
2x2 Sanken A1186 C2837 power transistors,
4x2200µF Panasonic filter caps,
Panasonic SU components,
pre out,
phono mm,
mm 446x80x332, kg 6.


9 Sept 2019

Rotel RA-840BX4




Specs
50Wx2@8Ω/20-20000Hz,
4x2 B817 D1047 power transistors,
2x8200µF Rubycon filter caps,
Elna, Nichicon Muse / BP, Rubycon Black Gate F components,
toroidal power transformer,
phono mm / mc,
mm 444x86x346, kg 7,2.


4 Sept 2018

Heybrook Point Five









Specs
2-way configuration,
closed box,
paper cone midwoofer Heybrook 180 HB 0.5 180mm,
aluminium frame, rubber surround,
aluminium dome tweeter Seas Prestige 19 TAF/G H414 19mm,
19mm aluminium voice coil, mesh grid,
**-***W@6Ω,
**-20000Hz ±3 dB,
sens. -- dB,
mm 230x400x230, kg 5,9.


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 Dec 2017

Pioneer A-400




Specs
2x50W@8Ω/20-20000Hz,
2x70W@4Ω/20-20000Hz,
2x2 Toshiba 2SA1302 2SC3281 power transistors,
2x10000µF Pioneer (Elna) filter caps,
Elna Duorex, Nippon Chemicon AS / NX-V, Panasonic AU components,
phono mm / mc,
mm 420x126x352, kg 8,0.


6 Oct 2016

Pioneer CT-757




Specs
3 heads (R: Hard Permalloy, P: Hard Permalloy, E: double gap Ferrite),
3 DC motor,
full logic,
4 digit linear / r/t counter,
Dolby B-C NR HX Pro, mpx,
motorized tape loading,
meter range selector,
Nichicon Great Supply, Nichicon Muse, Panasonic AU, Nippon Chemicon ASF / AS, Elna components,
No 15-21000 Hz (-20dB vu),
CrO2 15-21000 Hz (-20dB vu),
Me 15-22000 Hz (-20dB vu),
S/N 60 dB (Dolby off), 70 dB (Dolby B, 5 kHz), 79 dB (Dolby C, 5 kHz),
W&F 0,024% (wrms),
mm 420x135x370, kg 7,3.


24 Sept 2016

Tdk SF (1990)






Specs
IEC II tape
100 mins


Sony HF-ES (1990)






Specs
IEC I tape
46 mins