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QED SS20 2-Way Parallel Speaker Switch

by QED
Original price €152.00 - Original price €152.00
Original price €152.00
€152.00
€152.00 - €152.00
Current price €152.00
Available to order (with lead time)
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Enables safe connection and independent switching of two pairs of speakers (in parallel) from a stereo amplifier.

The SS20 2-Way Parallel Speaker Switch allows you to switch between two pairs of speakers for your ultimate set up.

Features & Benefits:

  • Minimum Load Impedance - 4 Ω (Using Two Pairs of 8 Ω Speakers)
  • Power Rating: 150 Watts RMS
  • Silver Plated Switch Contacts
  • Large Cable Entry Protected Terminals (3.95mm dia)
  • Dimensions (HxWxD): 55mm x 157mm x 155mm
  • Suitable for Use with WM14 Wall Mounted Volume Control

What are the differences between the speaker switches in terms of impedance?

All the speaker switches are configured so that if you use 8 Ω speakers the minimum impedance seen by the amplifier will be 4 Ω.

What are the benefits of series vs parallel?

The switches which have more than two sets of speakers use a combination of series and parallel switching to achieve the minimum impedance of 4 Ω 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 Ω speakers (and a 4 Ω min amp) you should always use the parallel switch. If you have 4 Ω speakers and a 4 Ω min amp you should always use the series switch.

All QED switches load on 4 Ω using 8 Ω speakers. What happens if my speakers are 6 Ω?

1. Check your amp – if it can cope with a 3 Ω load or less (and some can) then you are alright. The rule is you must always use speakers with double the impedance of the amp minimum.

2. If you only have two pairs of speakers then use the two way SERIES switch.

How do the switches deal with power, e.g. if I have an amplifier with more than 150 watts?

These accessories use mains switches which are rated at 6A which means the max power they can handle is 288W given an 8 Ω load.

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