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70 Volt Wiring
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SSJVCmag
Posts: n/a
On 6/29/05 3:46 PM, in article
,
" wrote:
wrote:
Sheilding is not needed for speaker wire. Cheap single pair 16 or 20
AWG is fine (West Penn etc.) Power is based in the transfomer rating.
So if you have 5 x 20 Watt transformers that's a total of 100 Watts and
a good match for a 120 Watt amp.
Yes, it's advisable to allow 10-20% spare capacity (a) because speaker
impedances aren't constant (b) for expansion.
Well... sorta, more because most folks don't know to include the transformer
loss AND it's often not clear whether the transformer manufacture is rating
the LINE DRAW or the POWER DELIVERED TO THE SPEAKER.
Parallel 70W wiring is the way to go. I don't understand Americans'
tendendy to use series-parallel arrangements of low impedance
speakers.
Mainly the almost IMPOSSIBILITY of finding (or unwillingness to afford)
proper transformers that don't look like a reactive short below 200Hz.
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