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Genius SP-HF1800A

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Speakers: kit 2.0; Lines: 2; Sensitivity (dB): 80; Signal-to-noise ratio (dB): 85; Frequency range (Hz): 20 – 20000; Speaker output (W): 50; Speaker port tube; mini-Jack (3.5 mm); RCA; headphone output; Speaker material: MDF; Front size (mm): 145x380x182;
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Genius SP-HF1800A
Colour
Speakerskit 2.0
Lines2
Specs
Sensitivity80 dB
Signal-to-noise ratio85 dB
Frequency range20 – 20000 Hz
Speaker output50 W
Front25 W/channel
Speaker port tube
Features
Functionstreble control
bass control
Connectionsmini-Jack (3.5 mm)
RCA
headphone output
General
Volume controlfront
Speaker materialMDF
Front speaker size (WxHxD)145x380x182 mm
Weight7.34 kg
Added to E-Catalogapril 2012

Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
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The inside doesn't match the outside
  
Chinese radio plays better, you add low ones - high ones disappear, there are no middle ones from the word at all, Low ones on the box are written from 65 Hz. BUT!!! the marking is written Genius SP-HF1800A II, maybe there is a difference from the speakers without (II), I don’t know, I’m writing only for my own. There were Genius BF31, well, those are the highest class compared to these. I listen to music mainly in Bayer770 pro 250 ohm headphones or vacuum Panasonic RP-HJE125 Creative-AE5 plus sound, that is, there are no complaints about the "sound emitter". Maybe someone doesn't care about the sound quality, but I would not take it anymore. Slightly fooled, believed the "advertising"
Appearance only
Sound.
Чубарь Александрuse Genius SP-HF1800A less than month
After significant refinement, it received a soft balanced sound.
  
Constructor for those who are able to engage in bringing to working condition.
I bought it just for looks. Work more than 5 years after completion, no complaints.
Poor preamp shielding resulting in strong hum from approaching the hand speaker. I threw out the tweeters - absolutely none, replaced them with others. The mids are out of phase with the lows. Sensitivity as for the company is underestimated, I had to intervene in the circuit beforehand. Adjusted the frequency of the phase inverter. Real reproduction of low after completion reaches 60 Hz. Next up is a steep slope. For those who are far from electronics and acoustic design, I do not recommend buying.
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