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Help: Pioneer 300R balanced output

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Old 05-06-2017, 10:47 PM   #1
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Help: Pioneer 300R balanced output

Just got a Pioneer 300R from a friend and tried the balanced output today. It's significantly softer than the 3.5mm output.

Is this normal? Or did I get a lemon?
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Old 05-06-2017, 11:18 PM   #2
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Just got a Pioneer 300R from a friend and tried the balanced output today. It's significantly softer than the 3.5mm output.

Is this normal? Or did I get a lemon?
Lack of dynamic?
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Old 06-06-2017, 10:23 AM   #3
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Lack of dynamic?
?? What do you mean?
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Old 06-06-2017, 04:33 PM   #4
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If both left and right are same volume then unlikely to be defective

If still paranoid then see if someone kind enough to measure the performance for you. Or if someone ears more powerful than measurement equipment then can measure for you too.
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Old 06-06-2017, 05:53 PM   #5
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I do not know is there any settings in sounds settings to enable high gain?
Certain DAP have this setting, not sure about Pioneer.
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Old 06-06-2017, 09:17 PM   #6
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I usually use Low 1 gain for unbalanced output, but need high Gain to drive the same earphones on balanced. Is this normal?
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Old 06-06-2017, 09:55 PM   #7
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I usually use Low 1 gain for unbalanced output, but need high Gain to drive the same earphones on balanced. Is this normal?
Low gain and high gain they have impedance range.
Low gain usually is those earpiece with 16 ohms and etc.
High gain usually is about 50 ohms and above.

However varies on earpiece thus need to know what are you using?
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Old 06-06-2017, 09:57 PM   #8
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Low gain and high gain they have impedance range.
Low gain usually is those earpiece with 16 ohms and etc.
High gain usually is about 50 ohms and above.

However varies on earpiece thus need to know what are you using?
I'm using UM3x. However, I only need Low gain to drive the same earphone on the SE output. Would the gain required increase just because it's on a balanced output?
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Old 06-06-2017, 10:27 PM   #9
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I'm using UM3x. However, I only need Low gain to drive the same earphone on the SE output. Would the gain required increase just because it's on a balanced output?
UM3X have a impedance of 56 ohms which is really high.
Thus by right should be on high settings but this is up to you.
Are you using balanced cable on UM3X?
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Old 06-06-2017, 10:37 PM   #10
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I usually use Low 1 gain for unbalanced output, but need high Gain to drive the same earphones on balanced. Is this normal?
Question, how are you able to use the same earphone on both the 2.5mm and 3.5mm output? Because if you are trying to use a normally 3.5mm earphone with the 2.5mm via adapters or something, then we can pretty much guess what is happening, and it will sound like what you're hearing.
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Old 06-06-2017, 11:42 PM   #11
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Question, how are you able to use the same earphone on both the 2.5mm and 3.5mm output? Because if you are trying to use a normally 3.5mm earphone with the 2.5mm via adapters or something, then we can pretty much guess what is happening, and it will sound like what you're hearing.
I have 2 cables with 3.5mm and 2.5mm TRRS terminated. I'm guessing my 2.5mm wire may be faulty. Will need another 1 to verify.
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Old 07-06-2017, 06:59 AM   #12
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I usually use Low 1 gain for unbalanced output, but need high Gain to drive the same earphones on balanced. Is this normal?
I assume 300R has the auto volume feature when switching between SE and balanced? If so then it would adjust the volume when switching between two. Balanced gives you more power at same vol setting, so it would be lower vol (not loudness, but the indicator) at the same gain settings.

Another factor could be higher impedance of your balanced cable, but not really sure about it cause from low 1 to high is unusual.

Can test your iem and cables at local stores to verify as well.
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Last edited by Gaghiel; 07-06-2017 at 07:01 AM..
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