RMS or wattage output
#11
(05-01-2015, 03:08 PM)Jimmy Pistol Wrote: Hi Folks,

Got a question. What is the RMS or speaker output per channel of a 1978 factory Ford 4 channel stereo. Its looks like those installed in the 71 to 73 models but it has 4 speaker channels instead of the usual 2. I have fitted one to my 72 Mach 1 as it looks correct and now i am looking at suitable speakers. I'm not after any high powered unit or amps etc..I just want the factory look with the added bonus of 4 speakers. The stereo came from a 78 Mustang 2 Cobra if this helps anyone. I have attached a photo that shows the unit. Notice the left right slide bar under the pushbuttons. I really would love to know the factory specs of it. Many thanks

Great answers and very confusing....So does anyone know what the output is per channel eg 10W

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#12
1969M1 - I have UK qualifications - an O.N.C. in Mechanical and Electrical Engineering, A City and Guilds Automotive Technicians Certificate (with Distinction) and the City and Guilds Certificate for Police Officers in Vehicle Examination Techniques. That and being 63 helps. Check my profile -if you haven't already.
JP - Bank on 15w (RMS) maximum per channel, so 7.5w per speaker. Aim at 30w speakers and mount them carefully. You will be fine. Back in the day huge output was not available.
Oh look! Two more threads - 'Speaker Mounting 101' and 'Speaker Selection by Specification: Techniques for Beginners'. Duh Rolleyes
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#13
(05-05-2015, 09:03 AM)Mach1FatherFigure Wrote: Sorry to zap you JTS71 but having studied it all I tend to use the correct terms for everything. I could say nomenclature but that would just send you into another tail spin. I am just old school with quals in mechanical, electrical and automotive engineering.
Most friend think I am a PITA by the way Biggrin

I got you. It's kinda tough for others, when you know all the big words and what they mean, not just how to spell them! Thmbsup By the way you are only as Dumb, or as Smart, as the shoes you are standing in. JTS 71 Mach1
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#14
Have to share this one:
There I was buying a cheapie Blue-Ray player for my projector and discussing amplifier performance / compatability with the tech adviser/sales man.

This ocean going genius told me that RMS Watts means the unit must be stereo!!
The "How Did We Rate?" customer card did not reflect well on him..........
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#15
With a response like that I could see you having a lot of fun schooling him. In all he did not know. JTS 71 Mach1
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#16
(05-22-2016, 10:03 PM)Mach1FatherFigure Wrote: This ocean going genius

Not exactly sure what that means but it is a catchy sounding expression.
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#17
That is the Readers Digest version of 'Fully fledged, paid up, card carrying, ocean going, gold plated - Pick any from Genius; Driver; Clown; Nit Wit; Oaf; etc etc
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#18
I think we'd call him a bonafide knucklehead on our side of the pond. Unless we want to go into superlatives! Then the gloves come off. JTS 71 Mach1
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