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Discussion Starter · #1 ·
Guys I've been listening to a pair of JBL LSR305's at my office desk for a few hours and with each passing moment they are blowing me away! The treble and midrange is right up there with the likes of the Ascend Sierra-1 NRT of which I own a pair. The bass doesn't quite match up but is still of incredible quality considering their size. Bold claims you've heard before but you have to hear them. The LSR305 MSRP is $150/ea. but you can find them for $119. Less than $300 for superb sounding speaker that includes the amps! I think these are destined to be classics like the BBC LS35/A. Now I'm curious to try them on stands in typical hi-fi setup.
 

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Thanks for sharing the impression. Do you feel it sound a little dry or thin? I read two impressions that the upper mid to lower treble sounds dry.
 

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Discussion Starter · #4 ·
Yeah I think "dry" is an interesting choice of words to describe it. That seems to be a characteristic of neutral monitors that lean towards the "sterile" side. You do have some options to taylor the sound to you liking. Setting the the bass to +2 dB or treble to -2 dB trim switches will give more warmth and roundness without skewing the overall frequency balance too much but he default sound profile provides the most resolving presentation. Studio monitors are tools after all and the LSR305 is a microscope.
 

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These were some of the best speakers I heard when shopping. Really, nothing comes close until you start spending multiples of these. I can't believe you can get a pair of 305s for under $250 and 308s for $400. Are there better? Certainly, but the bang for the buck with these is unmatched.
 

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Discussion Starter · #6 ·

Quote:
Originally Posted by ttlnb  /t/1506519/jbl-lsr305-308-appreciation-thread#post_24101725


These were some of the best speakers I heard when shopping. Really, nothing comes close until you start spending multiples of these. I can't believe you can get a pair of 305s for under $250 and 308s for $400. Are there better? Certainly, but the bang for the buck with these is unmatched.

I have owned the Dynaudio BM5A $499 ea. at the time i bought them. I would consider the LSR 3-series sound quality at the same level.
 

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I have heard headphone that is neutral with good warmth and body to it. As long as a little a dry and doesn't make your ear fatigue and not too thin. Increase the bass and less treble might do.


I'm planning to buy the LSR305 as a gift for someone since it more coherent and sounds better than LSR308 base from various impressions. It will be for home theater and connects to Yamaha RS473 or TV.


Looking at the back of the receiver from Amazon above, it only mention preout subwoofer and also have the av output (not sure if that's the preout for front speakers) as well a headphone output. Not sure about sound quality if use headphone output. I'm still surprise it doesn't provide preout for front speakers since it's a 2012 model.


I just email him for his TV model to see if it can hook directly to the TV instead with JBL speakers. I like the fact that it have a wide sweet spot for his tv.


Do you have any experience in hooking up to receiver or TV?


Kenneth
 

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If the TV has an analog audio out or a headphone out you can connect to that. In fact that is what I did on one of my TVs. You could connect to the headphone jack of the Yamaha with some adapters but why add another layer of complexity if you do not have to. Every year receivers are adding more features for the same money. There is probably a greater demand for Airplay than pre-outs in this price range so manufacturers cut costs to stay competitive.
 

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Thanks Ttlnb for the confirmation. The Sharp Quattron LC-70LE847U's manual stated it have the 3.5" mm audio output and an optical output to hook up to an amplifier but never mention about connecting to a powered speakers. I'll give it a try once the speaker is here. There is also the HDMI ASR but I have to buy an HDMI to analog audio converter.
 

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The 3.5mm audio output is what you want. The optical would need a converter and is line level so I don't think the volume would work well being controlled by the TVs remote, I'm not sure. A think you would have difficulty with HDMI ARC and a converter. For the 3.5mm connection you will need.

http://www.sweetwater.com/store/detail/CMP159/


You will probably have to set the input sensitivity switch to +4db on the back of the speakers. But that is something you will have to try when you get it. You don't want the signal to be too hot to overdrive the speaker or be too low where you don't get good volume.
 

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Ttlnb: Since the TV uses 3.5" mm minijack and the JBL speakers uses the TSR 1/4" connector, shouldn't be getting a cable from 3.5" mm minijack to TSR 1/4"? I google search but can't find any. I didn't find an adapter from TSR 1/4" female to 3.5" mm minijack. JBL speaker does not have a RCA input.
 

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Both of you are correct because you need a dual 1/4 to connect one to the left and right speakers. I look at the manual since I'm still waiting for my speaker.


I thought it was the other way around where you connect to left speaker and then from the left to the right speaker like my old desktop PC speakers.


If in the future, I wanted to upgrade to 5.1 surround speakers, can I simply connect the 3.5" mm mini jack to a 5.1 power amplifier? Or I have to use the HDMI ARC?
 

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Avoid ARC, too many headaches. If you want to upgrade to 5.1 whether you use ARC or not you will need a receiver with pre-outs or a pre-amp with HDMI connections.
 

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Quote:
Originally Posted by ttlnb  /t/1506519/jbl-lsr305-308-appreciation-thread#post_24115393


Avoid ARC, too many headaches. If you want to upgrade to 5.1 whether you use ARC or not you will need a receiver with pre-outs or a pre-amp with HDMI connections.

Thanks. The only reason I bought this JBL active speaker because of the good dynamic and wide sweet spot. I have listen to other waveguide using compression driver but didn't like the forwardness of the sound.
 

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Discussion Starter · #18 ·
I think the 308 are likely candidates for the LCR speakers in a home theater. JBL state thier max continuous output at 112 dB which on par with my Monitor Audio RX 6 speakers I have in my HT. I think even the 305 may work in a small to mid size theater.
 

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Really nice measurements on those. I really liked the LSRs that these replaced, the 2328s, if these can surpass the performance of those, than the 30xs are real winners. They are based on the M2 monitor , which may well be one of the best performing commercial speakers on the planet, so maybe the 300s are an improvement over their predecessors from that trickle down technology. I'm a sick man, I look at those M2s the way other guys look at Maxim centerfolds and Ferraris.
 

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Can someone get me the physical measurements on the LSR305's? Specifically measurement from base of speaker to bottom of tweeter and top of tweeter to top of speaker.


thanks!
 
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