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Passive  and Simply Itself


Passive preamplifiers have gained popularity in high-end audio circles lately as it is often the easiest and cheapest way to reach high-end sound quality. Why? Today, many signal sources such as Tuners & CD players have sufficient output level to drive most power amplifiers directly. It means that no additional amplification is required, so for level purposes there is no need for a preamplifier. With a passive volume control in between, the signal from the source may be fed directly to the power amplifier. The non-linearity, noise and distortion from the preamplifier are avoided. Even the most expensive preamplifier's might add coloration and distortion to the sound. In many cases, a passive preamplifier sounds as good as or better than the best active preamplifier's. If you add silver plated copper wire with Teflon insulation on top you have a no compromise sounding preamp

Passive Preamplifier - Front View

Passive Preamplifier - Back View

The goal is simplicity itself. A box with volume control and a toggle switch. The signal path is simple and minimized between input and output.

Passive Preamplifier - Front Black

Passive Preamplifier - Black Back



Input Impedance: 100KOhm

Inputs: Tuner, CD, Aux1, Aux2

Outputs: 2 [Bi-amplification or Amplifier/Sub-buffer combination]

Optional Outputs: One pair of XLR connectors

Wiring:Point to point with 22 AWG silver plated OFC wire

Wiring configuration: Teflon insulated Stranded wire with 19 strands.


Passive Preamplifier - Silver Front

Passive Preamplifier - Balanced Back



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AudioLimits Canada

Last Updated Oct 14 2008