JBL LSR305/308 Appreciation Thread - AVS Forum
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post #1 of 174 Old 12-19-2013, 07:26 AM - Thread Starter
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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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post #2 of 174 Old 12-19-2013, 07:31 AM - Thread Starter
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For the measurement junkies...

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post #3 of 174 Old 12-20-2013, 11:49 PM
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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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post #4 of 174 Old 12-21-2013, 05:42 AM - Thread Starter
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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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post #5 of 174 Old 12-21-2013, 05:57 AM
 
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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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post #6 of 174 Old 12-21-2013, 06:08 AM - Thread Starter
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Quote:
Originally Posted by ttlnb View Post

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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post #7 of 174 Old 12-21-2013, 09:09 PM
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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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post #8 of 174 Old 12-21-2013, 09:33 PM
 
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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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post #9 of 174 Old 12-22-2013, 11:27 PM
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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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post #10 of 174 Old 12-23-2013, 04:37 AM
 
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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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post #11 of 174 Old 12-23-2013, 06:14 PM
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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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post #12 of 174 Old 12-23-2013, 06:21 PM - Thread Starter
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post #13 of 174 Old 12-23-2013, 10:48 PM
 
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The one I linked would be the correct cable.
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post #14 of 174 Old 12-24-2013, 06:43 PM
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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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post #15 of 174 Old 12-24-2013, 08:33 PM
 
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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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post #16 of 174 Old 12-25-2013, 03:30 PM
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Quote:
Originally Posted by ttlnb View Post

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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post #17 of 174 Old 01-09-2014, 12:00 PM
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Do you think these would be loud enough for a theater environment? I love the idea of studio monitors for my theater and wired the room for XLR throughout. I see the power rating went down considerably when JBL switched from the LSR 2325P / 2328P to the LSR 305 / 308.
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post #18 of 174 Old 01-09-2014, 02:10 PM - Thread Starter
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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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post #19 of 174 Old 01-09-2014, 03:53 PM
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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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post #20 of 174 Old 01-21-2014, 03:47 PM
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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!

It's all about the sound!
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post #21 of 174 Old 02-12-2014, 06:47 AM - Thread Starter
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Crutchfield is offering 50% off on 2nd JBL305/308. That's, $225 for a pair of 305's or $375 for the 308's! Free shipping too.

http://www.crutchfield.com/fg_400250_FFBrand%7cJBL%20Pro/JBL-Pro-Powered-Studio-Monitors.html?tp=63655
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post #22 of 174 Old 02-12-2014, 11:02 PM
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I had the LSR 2325p as L/R Wides in my 9.1 HT. They kept up with the other speakers in the system. While recently doing some speaker testing, they were in the system with NHT Super Ones as the other smalls, while I was switching between Meridian DSP 5000 and GoldenEar Triton Sevens as the main left and right. I ended up buying the Sevens.

Among the connections on the 2325P is RCA, don't know about the 305s. The Meridians are also active, powered speakers. The Trition Sevens and Super Ones are passive. They were all connected to an Onkyo TX-NR 929, including a Sunfire sub. They were by far the least expensive speakers in my HT, yet they performed great. In fact, the bass output was the equivalent of the Super Ones with their bigger 6.5" woofer.

They make you think hard about active speakers. I bought them on a whim and then read a review of them and the newer 305. As good as the reviews were they thought the 305s were a notch better. And those prices you're talking about make them look like the buy of the Millennium.

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post #23 of 174 Old 02-15-2014, 09:30 PM
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Need a subwoofer recommendation to go with my new JBL LSR305's. They are hooked up to my PC and I enjoy bass heavy stuff from games to all types of music. The 305's are connected via a Soundblaster Z sound card in my PC.

This is for a small home office room so I am not sure if I should go for a sealed or ported sub. Maybe something like one of the 12" subs from SVS. Like to stay around $500 or so.

Also do I need to worry about needing a sub with a low pass filter? Confused as to the best way to integrate the sub into my setup. Do I connect the sound card to the sub and then out to the 305 studio monitors?
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post #24 of 174 Old 02-15-2014, 09:59 PM
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Need a subwoofer recommendation to go with my new JBL LSR305's. They are hooked up to my PC and I enjoy bass heavy stuff from games to all types of music. The 305's are connected via a Soundblaster Z sound card in my PC.

This is for a small home office room so I am not sure if I should go for a sealed or ported sub. Maybe something like one of the 12" subs from SVS. Like to stay around $500 or so.

Also do I need to worry about needing a sub with a low pass filter? Confused as to the best way to integrate the sub into my setup. Do I connect the sound card to the sub and then out to the 305 studio monitors?

The SVS SB-1000 works great for small rooms; I use it in my desktop computer setup. And it has an 80hz pass through line out, which is definitely nice to have as an option. To use that feature, you run the PC audio to the sub, and then the audio from the sub to the LSR 305s. If you want don't want to use it, then split the outputs coming from the PC and run it to both the speakers and to the sub.

If you want more max output and deeper extension for movie watching, go for the SVS PB-1000.

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post #25 of 174 Old 02-16-2014, 06:48 AM
 
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I did the same thing but I used a Paradigm sub which probably doesn't play as loud as an SVS or other internet direct sub but the EQ made a huge difference for the sound quality in my room. It might be something to consider if loud levels aren't your concern.
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post #26 of 174 Old 02-16-2014, 11:55 AM
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JBL has a matching sub the LSR310S. It goes down to 27Hz which I know isn't ideal for movies, but would be plenty low for games and music.
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post #27 of 174 Old 02-18-2014, 07:07 PM
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Can any owners of the LSR305's comment on their bass output on things like music and games. I have a pair coming in later this week and have just been contemplating whether or not I will likely need a subwoofer to go with this desktop 2.1 setup.
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post #28 of 174 Old 02-18-2014, 09:38 PM
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Quote:
Originally Posted by Gussboy View Post

Can any owners of the LSR305's comment on their bass output on things like music and games. I have a pair coming in later this week and have just been contemplating whether or not I will likely need a subwoofer to go with this desktop 2.1 setup.

If you already ordered a pair, you need to wait and decide for yourself. No amount of advice from an Internet forum can trump how a pair of speakers sounds to you in your own house. smile.gif

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post #29 of 174 Old 03-24-2014, 08:06 AM
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Anyone else use the 305/308 for movies? I am wondering if there are better speakers at this price range.
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post #30 of 174 Old 03-24-2014, 02:26 PM
 
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I listened to a lot of speakers and those are tough to beat for the price.
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