IOM Classic premium mono

(1 customer review)

990.91 ex. VAT

Out of stock


What’s better than a 500 Watt NCore based amplifier? A 500 Watt NCore based amplifier with the biggest Power-meter we could find. It’s so big we even developed a new enclosure around it. So here’s our new flagship: the IOM Classic.

High-end audio quality is guaranteed by using a premium Hypex, N-Core driven amplifier, the NC500, in combination with our custom input bufferboard featuring two OPA1611 opamps. Other opamps are optional.

The amplifier is powered by the Hypex SMPS1200A700 powersupply.

There is a balanced (XLR) input and and unbalanced (RCA) input. There is also a 12V trigger output and a 3dB gain switch.

About the meter: a very, very low ‘inpedance current measurement system’ measures the output current to the speakers. Also the output voltage is measured. Both are multiplied to get the real outputpower. This result is logarithmically displayed via a fast moving analog meter. In this way you always have a nice moving needle whatever output level you listening. The meter (and driver) is special developed for our Classic.

Price is displayed without VAT/BTW. If applicable this will be added at checkout.

Additional information

Weight 6 kg
Dimensions 29 × 23 × 11 cm
Amplifier module

Hypex® NC500oem

Output power


Standby power

< 1W

On power

8,5W (power-on, no audio)

Mains voltage

230V/115V, switchable inside


1 x IOM Classic amplifer
1 x Mains powercable (EU)


Hypex SMPS1200A700 powersupply.

1 review for IOM Classic premium mono

  1. Chris Langenhorst

    Short: YES! 100%. Clear sound & absolute great design.

    In detail: I was searching for mono amps with clear sound, obviously, but also big VU-Meters to drive my Audiovector speakers.
    There are some out there, but all I tried did not really fit to my setup or where vast to expensive – so I did not even try them 🙂
    Using the IOM Classic for half a year now and I really enjoy them every time I sit down and listen to my music.
    The sound is clear and straight – what comes in goes out. These amps do also have plenty of power to effortlessly drive the Audiovectors.
    It is a great piece of Hi-Fi technology and it looks absolutely gorgeous seeing the big VU meters moving to the sound. For me, it combines the best of two worlds – analogue and digital.
    The form factor is perfekt, I placed them in a open spaced shelf next to the pre-amp.
    Amps are getting quite warm, but this never affects the operation in any way (and is no issue at all anyway).
    By the way: I had an minor issue with VU meter setup (not the amps fault), but Sipko helped me quick and fully, so my IOM Classic are now 100% what I wanted:
    A clear and straight sounding mono amp in a proper design with big moving needles.
    With them and my Audiovector speakers it is really an easy and enjoyable listening session. Weather a quick one, or for a couple of hours, loud or silent – just 100%!

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