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Constant Current Amplifier

A few days ago my friend came to the house, he shows the constant current amplifier schematics he found in http://www3.ocn.ne.jp/ ~ tima / products / ccamp / ccamp.html. We discuss and discuss until a few days. My friend kept us curious and eager to assemble.

Schematic Constant Current Amplifier Original
Schematic Constant Current Amplifier Modified


Modified schematic


I've assembled Constant Current Amplifier, but I do not really remember very well, probably from DIY Nelson Pass Zen. Constant Current Amplifier quite different from the single-ended Zen or its variants.

After reading and studying the sources of http://www3.ocn.ne.jp/ ~ tima / products / ccamp / ccamp.html and Hen experiment we finally managed to modify it by adding a few components.

In blind tests, the addition of these components produce a sound more amazing.

RX1 and CX1 form the LF filter. RX1 = 100 ohms and RCX1 = 1 nF. = 11 ohm RX2, RX3 = 0.22 ohm 5 Watt and CX2 = 100 nF

Assemble





I have a custom of using 2 Watt carbon resistor brands Phillips and my legs coated with tin WBT. I have done this long ago. I think the use of carbon 2 watt resistor produces a clear sound, more open and get a natural sound.

Therefore, I use a 2 watt resistor all unless otherwise specified.

For power supply I recommend to use A Simple Capacitance Multiplier Power Supply For Class-A Amplifiers Rod Elliott - ESP. I use a voltage source 21 Volts and 90 Volts.


Assemble survived.
(Hopefully in the next article I will discuss it in more detail)

8 comments:

PC Richard & Son said...

Need for consists electricity everybody need this types of products. Really nice afford i like this idea . It is use for consuming power. Thanks for sharing.
PC Richard

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vicente said...

Very good content

PCB Etching said...

Excellent read, I just passed this onto a colleague who was doing a little research on that. And he actually bought me lunch because I found it for him smile So let me rephrase that.

Nagman said...

Pain reaches the heart with electrical speed, but truth moves to the heart as slowly as a glacier.Calibrators :)

www.swindonsilicon.co.uk/ said...

Brilliant post. I think there is a gap in the market for this type of equipment, but this company are really filling the brief.

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