Swissonic SA 33

Mixer Amplifier

  • 30 W
  • 100 V and output for low-resistance speakers (min. 4 ohms)
  • 2x Micro- and 1x Line/phono input
  • Master tone controls
  • Talkover function
  • Pre out / Amp in for looping
  • 12 V Emergency power supply is possible
  • Dimensions: 280 x 75 x 190 mm
  • Weight: 4.5 kg

Further Information

Number of Channels 1
Power (4 Ohms) 30 W
Power (100 V) 30 W
Mic In 2
CD Play No
USB Play No
Bluetooth Play No
Priority Circuit No
Bell No

Come up with your own creative bundle and save

If you order this product together with others as part of a bundle, you can save up to 8 % additionally!
Swissonic SA 33 + JBL Control 25-1 +
5 more
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starting from 539 €
Swissonic SA 33 + Apart CMX20T 2x +
5 more
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starting from 222 €

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Our most popular Installation Mixing Amps
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4.4 / 5.0
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12 written ratings Read all reviews
Good value for money
Bought this amp for use in a small church. Works very well. used with a lapel mic for the priest. Easy to get the right levels for optimum performance. would recommend for anyone who's on a budget.
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Works ok with 230 VAC, but not with 12 VDC input!
Basically this amplifer does its job as supposed, but only when powering on 230 VAC. When running on 12 VDC (also tried with 14,4 VDC - lab psu) strange thing happen: if using mic on MIC1 (talkover function), when signal goes higher then certain level (around 2/3), amplifer shuts down and recovers after around 5 seconds. If you connect microphone to MIC2 (no talkover) it works normal!!! (that means, that power amplifer probably works fine, but not the logic for talkover, which somehow puts amplifer in some standby mode).

Talkover function is fixed on first microphone channel and works ok, but no parameters can be set (music/talk ratio, release speed ...).

However, for such money that's quite good amp to use with 230 VAC.

Because using at 12 V is urgent for my application, I first tried to raise voltage on 12 V input up to 15 V, but didn't help. Then I used 5A adjustable DCDC stepup, set it to 21 VDC and connect it right after the bridge rectifier after transformer (on 230 VAC line). Additional 10000 uF capacitor was added as well. This way, amplifer can also work with 10 V input voltage.
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89 €
Free shipping incl. VAT
Available immediately
Available immediately

This item is in stock and can be dispatched immediately.

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Offers include 21% Belgium VAT and are valid as long as stocks last. Shipping costs to Belgium are 2,50 EUR, free shipping on orders above 49 EUR. Please click here for international Shipping rates. We do not accept liability for typographical errors or inaccurate information of any kind. *RRP = manufacturer's / distributor's recommended retail price in Germany
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