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What people are saying...

John R

Thank you for your time in considering my dilemma, and sending me your thoughts. If I ever win the lotto, you are certainly on the beneficiary list... cheers

John R

East Toowoomba

Geoffthegreygeek.com

2015-05-10T09:29:52+10:00

John R

East Toowoomba

Thank you for your time in considering my dilemma, and sending me your thoughts. If I ever win the lotto, you are certainly on the beneficiary list... cheers

https://geoffthegreygeek.com/testimonials/john-r-east-toowoomba/

Sam B

You are a genius! It worked!! I’m so happy, thank you so much. The Amazon item you suggested arrived on Saturday, I plugged it in and it works like a dream!

Thanks again, you’ve made an English lady very happy!

Sam,

England

Geoffthegreygeek.com

2018-01-23T20:29:21+10:00

Sam,

England

You are a genius! It worked!! I’m so happy, thank you so much. The Amazon item you suggested arrived on Saturday, I plugged it in and it works like a dream! Thanks again, you’ve made an English lady very happy!

https://geoffthegreygeek.com/testimonials/sam-b/

Jeffery, Cambridge UK

Many thanks for your answer - I sent off emails to the manufactures too but received no reply - what you are doing is the internet at its best!

Jeffrey G

Cambridge, UK

Geoffthegreygeek.com

2015-05-17T12:15:21+10:00

Jeffrey G

Cambridge, UK

Many thanks for your answer - I sent off emails to the manufactures too but received no reply - what you are doing is the internet at its best!

https://geoffthegreygeek.com/testimonials/jeffery-cambridge-uk/

Todd, Canada

Thanks for your help!

I was lost in an audio world and you made me a map!

Todd,

Canada

Geoffthegreygeek.com

2018-08-05T10:07:04+10:00

Todd,

Canada

Thanks for your help! I was lost in an audio world and you made me a map!

https://geoffthegreygeek.com/testimonials/todd-canada/

Kathy

Thank you so much, you explain things so well. I was able to do it well by my self, and that never happens.
I will be visiting your web site again when need be.
Thank you, Cheers

Kathy,

Canada

Geoffthegreygeek.com

2015-03-22T11:30:17+10:00

Kathy,

Canada

Thank you so much, you explain things so well. I was able to do it well by my self, and that never happens. I will be visiting your web site again when need be. Thank you, Cheers

https://geoffthegreygeek.com/testimonials/kathy/

Vicky, India

I find your articles very informative and these have helped me in my profession. I am greatly thankful to you for the information you have put up on your website. All the best and please continue doing the good work. God bless you.

Vicky,

India

Geoffthegreygeek.com

2018-08-05T10:18:40+10:00

Vicky,

India

https://geoffthegreygeek.com/testimonials/vicky-india/

John A, San Francisco, CA

Geoff,
Thank you for your answer.
I made a donation to help keep things going via PayPal.
I hope others will be encouraged to do the same.

John A

San Francisco, CA

Geoffthegreygeek.com

2015-04-26T09:46:23+10:00

John A

San Francisco, CA

Geoff, Thank you for your answer. I made a donation to help keep things going via PayPal. I hope others will be encouraged to do the same.

https://geoffthegreygeek.com/testimonials/john-sanfrancisco/

Kostas, Greece

I want to thank you for your help. You and your articles helped me to understand so much about audio. The fact that you know so much stuff is so cool but the thing you are sharing with the others for free makes you awesome.
You are the best.

Kostas,

Greece

Geoffthegreygeek.com

2016-10-16T19:01:54+10:00

Kostas,

Greece

https://geoffthegreygeek.com/testimonials/kostas-greece/

Marc

Hi Geoff!!
WOW, what a wealth of knowledge you are! Thank you for sharing your expertise! and THANK YOU for making this project a huge success!! I couldn't be more pleased with the sound and I am REALLY happy knowing that it is wired safely!!

Marc, USA

Geoffthegreygeek.com

2015-01-12T08:53:41+10:00

Marc, USA

Hi Geoff!! WOW, what a wealth of knowledge you are! Thank you for sharing your expertise! and THANK YOU for making this project a huge success!! I couldn't be more pleased with the sound and I am REALLY happy knowing that it is wired safely!!

https://geoffthegreygeek.com/testimonials/marc/

Dan M

I did it! with your help of course. Thank you so very much. It is working like a charm. Without you I would have never figured it out. So thank you so very much again for your patience, knowledge, support and outstanding kindness.

Bless your heart.

Dan M,

Japan

Geoffthegreygeek.com

2016-10-16T19:11:03+10:00

Dan M,

Japan

https://geoffthegreygeek.com/testimonials/dan-m/

Geoffthegreygeek.com

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Connecting Speakers FAQs

Speaker Selector Switch Simulators

Understanding Speaker Impedance

How do I connect a VCR to a Flat Screen TV

Understanding Amplifier Power

Understanding Speaker Sensitivity

How Multiple Speakers Share Power

Speaker Impedance Changes Amplifier Power

Understanding Speaker Impedance

Speakers in Series Calculator

Amplifier Power, Voltage and Current Calculator

Distributed Speaker System SPL Calculator

Distributed Speaker System Cable Loss Calculator

Using a Multimeter

AC and DC

The Dreaded Ohms Law

What is Electrical Power?

Reflections on the TV Remote Control

Analogue TV Acronyms

A Day in the Life of the Internet

Phone & Ipod Chargers

The Cost of Standby Power

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