Any hiss heard in horns during quiet passages?

This is typically on account of your integrated receiver's THD - on my Pioneer and Mcintosh (both of which have a THD of .005) the speakers were pitch black BUT when I hooked the exact same speakers up to my Rotel Integrated and separate amps (THD .3) there was always an audible hiss, it drove me NUTS - it's actually the reason I got rid of the Rotels. So even though horn tweeters are more sensitive and more likely to hiss - that is not the case with these - it's probably the stereo unit. Hope this helps.

Can these speakers be laid down sideways? I don’t have 19” space between shelves

You could do that if needed i suppose but i will say if you are tight on space i would recommend looking at something a bit smaller. These are beautiful speakers but they definitely require some room, not your average bookshelf speaker by any means.

could you use two of these side by side as a center speaker to match my dual 8in R-28F fronts ?

Yes. however, the tweeter is a 90x60 degree directionality. 90degrees horizontal and 60degrees vertical. If you turn it on its side, the vertical axis become the horizontal axis. So if you watch movies alone, it may be perfect. But i find the 60degrees a bit narrow, and easy to go in and out of the directionality of it. 90 degrees has better fall off. But horn tweeters seem to be a lot more directional than other tech. YMMV I love horn tweeters for movies. Simultaneously more nostalgic theater sound and very crystal clear on sound effects. Works well with speech too.

is this a pair (2 speakers) or just a single unit?

This is a single speaker. You would need to order 2 for a pair.

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Presupuesto

ASIN	B0040Q51FE
Additional Features	Dynamic 1-inch titanium Linear Travel Suspension horn-loaded tweeter
Age Range Description	Adult
Antenna Location	For smartphones or tablets, computers, TVs, surround sound systems, music players, DVDs, game consoles
Audio Driver Size	8 Inches
Audio Driver Type	Dynamic Driver
Audio Output Mode	Stereo, Surround Sound
Audio output mode	Stereo , Surround Sound
Best Sellers Rank	#153,885 in Electronics ( See Top 100 in Electronics ) #134 in Bookshelf Speakers
Brand	Klipsch
Built-In Media	Speaker
Color	Black
Compatible Devices	Smartphone, Tablet, MP3 Player, Desktop, Television, Projector, Laptop
Compatible with Vehicle Type	Car
Connectivity Protocol	A
Connectivity Technology	With cable
Connectivity technology	With cable
Control Method	Touch
Controller Type	Button
Customer Package Type	Standard Packaging
Customer Reviews	4.6 out of 5 stars 247 Reviews
Enclosure Material	Cerametallic
Frequency Response	24000 Hz
Frequency response	24000 Hz
Impedance	8 Ohms
Input Voltage	2.83 Volts
Input voltage	2.83 Volts
Is Waterproof	False
Item Dimensions D x W x H	31.2D x 23.5W x 48.3H centimeters
Item Weight	12.5 Kilograms
MP3 player	No
Manufacturer	Klipsch
Model Name	rb-81
Model Number	1011850
Mounting Type	Shelf Mount
Number Of Circuits	2
Number of Audio Channels	2.0
Number of Items	1
Power Source	DC power supply
Series Number	81
Signal-to-Noise Ratio	70 dB
Speaker Maximum Output Power	600 Watts
Speaker Size	8 Inches
Speaker Type	Bookshelf
Speaker maximum output power	600 Watts
Specific Uses For Product	Indoor, larger rooms, music and movie playback
Subwoofer Connectivity Technology	Wireless
Subwoofer Diameter	8 Inches
Tweeter Diameter	1 Inches
UPC	743878021820
Warranty Type	Limited
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth
Woofer Diameter	15.5 Centimeters

Reseñas

C**I

Three Stars

1.06.2018

M**9

excellent pair of speakers

29.07.2014

M**Z

Klipsch RB-81

Ich kann mich den guten Bewertungen hier anschließen. Hatte vorher Teufel Ultima 20. Die waren nicht schlecht,mir fehlte aber etwas Mitte.Kaufte zu den Teufel Boxen den Klipsch R-30c Center LS.Die durchweg positiven Bewertungen und der Center von Klipsch brachten mich dazu die Klipsch Boxen zu kaufen.WOW alles klarer,präziser,mehr Druck und Dynamik. Die Klipsch machen soviel Spaß.Klare Kaufemphelung 5Sterne, aber Hallo Ergänzung : Nach ca.4 Wochen- Laufen die Klipsch jetzt alleine .kein Center mehr,keine Teufel mehr. kein Sub Einstellung 0 Db.. Für Musik ! jetzt optimal für mich .Die Klipsch gehen so tief runter, die Höhen/ MItte perfekt . Nächste Einstellung : analog / Röhrenverstärker. bin immer noch begeistert . Ich habe jetzt einen Hybrid Röhrenverstärker dran ,Dared MP-5 BT vom Klang und aussehen des Dared bin ich klangtechnisch angekommen,erhabener wamer,raumfüllender Sound, macht richtig Spaß.

14.02.2025

J**W

Don't wait too long...

12.11.2015

A**R

D'excellentes enceintes acoustiques Klipsch

Enceintes acoustiques d'une qualité exceptionnelle, dotées d'une bonne assise dans le grave, d'un joli medium et d'aigues d'une grande qualité participants à créer une image stéréophonique convainquante et un présentiel parfois surprenant bien-sûr fonction de la prise de son. La qualité de fabrication est vraiment bonne ( et belle avec son boomer doré, mais ce n'est que du cuivre...) pour du fabriqué en Chine. Je ne connais évidemment pas toutes les enceintes du marché, mais je pense que cette référence Klipsch est difficile à battre sur bien des points, à commencer par le rapport qualité prix. Bonne (s) écoute(s).

9.10.2020

Reference RB-81 II 150W RMS / 600W Peak Bookshelf Speaker - Black - Single Speaker

Detalles

Descripción

Presupuesto

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