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Analog Line Level Preamplifiers , Passive Pre-amps, Crossovers, etc.

Salas DCG3 preamp (line & headphone)
Salas DCG3 preamp (line & headphone)
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Old 29th May 2019, 08:00 PM   #3841
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
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Originally Posted by shattered_dream View Post
Hmmm what would you recommend... The Bc560 or the Bc327-40?
I'm not sure until now.... Since there were both in my package
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Originally Posted by vgeorge View Post
Better use BC-327-40
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Originally Posted by beardman View Post
I have tried BC-327-40 2 times

but prefer in my setup BC560

so try both and listen carefully,,,,BC 327 is more mellow here
In most builders feedback BC327 was the preference. Usually described as more resolved in the upper bass and softer in the highs. That's not excluding the BC560's more upfront result suiting some system better. I recommend female mounting pins for easy exchange and evaluation.
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Old 29th May 2019, 08:33 PM   #3842
bambadoo is online now bambadoo  Norway
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Finally did the BC327 mod. Have not tested the unit yet. Some more work is in progress

Like moving the headphone connection to the front of the amp. And adding muses 72320 volume control for the fun of it.

It take its time
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Old 29th May 2019, 08:36 PM   #3843
shattered_dream is offline shattered_dream  Germany
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Hmmm could this be the pins that are included in the full kit package?
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Old 29th May 2019, 09:05 PM   #3844
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
Are they female type pins like those found in an op-amp socket?
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Old 29th May 2019, 09:16 PM   #3845
shattered_dream is offline shattered_dream  Germany
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Yeah think so
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Old 29th May 2019, 09:39 PM   #3846
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
Fine, those are the ones. Use them in triplets for transistors. Don't cut them down to single units because they will not be easy to handle and solder on the PCB.
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Old 4th June 2019, 05:08 AM   #3847
AnthonyA is offline AnthonyA
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Hi Salas
What can i do for balanced input?
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Old 4th June 2019, 06:56 PM   #3848
Salas is online now Salas  Greece
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Salas DCG3 preamp (line & headphone)
Something like that: A Low Power, Low Cost, Differential Input to a Single-Ended Output Amplifier | Analog Devices
Or a line balancing transformer used the other way around.

Through such solutions you can drive a single ended input circuit from a differential source.
To build a balanced preamp takes four channels to use them as two phases per channel.
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