The QED SS50 5 Way Transmatch Speaker Switch allows you to switch between up to five pairs of speakers for your ultimate set up.
Safely connect up to 5 pairs of speakers to the same amplifier using high-quality impedance matching transformers to ensure that the amplifier load impedance remains above the minimum value.
All the QED speaker switches use the same configuration so if you use 8ฮฉ speakers, the minimum impedance seen by the amplifier will be 4ฮฉ.
Series and Parallel Switching
The QED speaker switches which have more than two sets of speakers use a combination of series and parallel switching to achieve the minimum impedance of 4 ฮฉ no matter what combination of speakers are switched on. For the two way switches there is a choice between exclusively series or parallel versions.
If you have 8 ฮฉ speakers (and a 4 ฮฉ min amp) you should always use the parallel switch. If you have 4 ฮฉ speakers and a 4 ฮฉ min amp you should always use the series switch.
Power Rating
These accessories use mains switches which have a rating of 6A, which means the max power they can handle is 288W from an 8ฮฉ load.
Transmatch Switching
For the SS50 5 way speaker switch we don’t use parallel or series switching but use transformer coupling instead. You have to use 8 ฮฉ speakers minimum if your amp is a 4 ฮฉ minimum amp. The transformer then matches the impedance, so a net 1.6ฮฉ load is converted back to a 4ฮฉ load.
One pair of speakers (A) does not connect to the transformer but directly connects to the amp, these will be the main speakers. The four B pairs connect via the transformer with the SS50 Transmatch switch.
Technical Specifications
- Power Rating: 60 Watts RMS.
- Electronic Overload Protection
- Silver Plated Switch Contacts
- Large Cable Entry Protected Terminals (3.95 mm diameter)
- Dimensions (HxWxD): 55 mm x 157 mm x 155 mm
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