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

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 + Thomann JY (st) 2x2x0,8mm° 100x +
4 more
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starting from 155 €
Swissonic SA 33 + Thomann JY (st) 2x2x0,8mm° 100x +
4 more
Configure bundle now
starting from 155 €

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19 customer ratings:
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4.3 / 5.0
11 written ratings Read all reviews
Total

Good value for money

30.06.2014
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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Total

Works ok with 230 VAC, but not with 12 VDC input!

22.10.2014
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.

[EDIT]
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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B-Stock from 79 € available
89 €
Incl. VAT; plus 20 € shipping
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