JBL LSR305 5" Active Studio Monitor Discussions | Drop

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JBL LSR305 5" Active Studio Monitor

Audiophile

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BradleyP

Apr 12, 2017

I have had a pair of these on my desk for a couple of years, now, and love them. A lot. Every day. If you are putting them on a desk, skip the foam pads and go for IsoAcoustics stands. Those stands take the JBLs to a whole other level. It really is worth the additional $100. Bass is better defined, and imaging and clarity which are already great step up a couple of notches. The 305s are much better monitors than their price indicates; treat them that way and they will reward you.
Oh, and they work just as well if not better in a traditional hifi setup than nearfield. Just make sure the room is not too large or overdamped. In my medium size living room, I've heard these JBLs do things with imaging that my big hifi rig can't.
I use 1/4" TRS to RCA adapters with 2m RCA interconnects from my DAC, and the performance is flawless. No hiss, interference, or the like.

Apr 12, 2017

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RockinRaynor

Jul 19, 2018

BradleyPHopefully you are still around. I have a hiss with mine and read here that you have no issues with feedback. I am no audiophile and honestly have no clue what you are talking about in the last line for how you set yours up. Can you please explain it to me as if I were a 5 year old...Thanks

Jul 19, 2018

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Heavyboxer

382

Jul 27, 2018

RockinRaynorReduce volume on your LSR305 and raise your source/preamp volume?
Previous post says he used an adapter for the large single plug hole (not the 3 prong balanced plug), and used RCA cables (those that you find on older tv's, before HDMI and display port came about) to receive signal from his digital to analog converter (DAC). You need a DAC if not using earphone plug from your device (be it PC, TV, etc)

Jul 27, 2018

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BradleyP

Jul 27, 2018

RockinRaynorSure! Google "Monoprice 1/4in (6.35mm) TRS Stereo Plug to RCA Jack Adapter, Gold Plated" and you can score a pair for about $0.80 plus shipping. Add to it a pair of RCA interconnects -- Monoprice is a good source for basic ones like "Monolith by Monoprice 3ft RCA Cable" -- and you are in business. (You would need to order two of these.) I ordered my interconnects from Emotiva and do like them. Just make sure that the interconnects are two completely separate ones rather than a pair fused together.
Now, I'm going to blow your mind. If I put my ear an inch from the tweeter, I can hear a tiny bit of amplifier hiss. Interestingly, I hear more hiss on the speaker where I am using an extension cord with the included power cord. If I switch to my premium power cord that made clear improvements to my DAC, the hiss is more audible and more complex. Cables do matter! If I plug the speaker directly into the wall or into one particular power strip, the hiss is louder and more complex. If I plug into another power strip, it's much better. HOWEVER, none of it is perceptible as far as I can tell at this point for anything like normal listening. You might have a hissy speaker, or you might just have a grungy power supply or power strip, or both. You should experiment a bit and maybe try an inexpensive power conditioner intended for audio that you can return if it doesn't help. Or you could listen to another pair at a pro audio outlet near you -- take your current ones with you for comparison -- and sell the ones you have if they are fundamentally flawed. Good luck taming that hiss!

Jul 27, 2018

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