Mono series attenuators vs. PEC for balance control? - diyAudio
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Old 7th November 2014, 04:46 PM   #1
greg7 is offline greg7  United States
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Join Date: Mar 2003
Location: Ohio, USA
Default Mono series attenuators vs. PEC for balance control?

The Tubes4hifi Aikido preamp I'm building comes with a pair of mono 23-step series attenuators, one per channel, for balance control. They can also set overall gain. They come pre-assembled with inexpensive (Vishay-Dale, Xicon?) metal film resistors.

Sonically, am I better off using the stepped attenuators (which have the benefit of discrete steps for precise matching) or a pair of mono PEC series K potentiometers?

I will use these rather than set them at max because I do have a slight stereo image imbalance in my room, plus I may need to lower overall gain. So it becomes a question of which sounds better -- signal going through a couple or even several cheap metal films versus signal going through carbon potentiometers
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