Ohm Speakers 
All passive speakers (relying on outboard amplification) have an impedance rating, given in ohms, provided by the manufacturer. This number helps you match the speakers to amplifiers.…
Impedance or How Many Ohms Do You Have?
How Sensitive Are Your Speakers?
I started reading Proust last year and discovered I was not sensitive enough to care about the upper-middle class characters from France’s 1800s to keep me engaged through over 4000…
Big Woofers Give Better Bass – Maybe.
Big woofers mean better bass to most people. In general, big woofers (which take big cabinets) can produce more output than small woofers in small boxes. Does this mean better bass? This is…
How Speakers Age: Wrinkles & Restoration
Do speakers age more with use or non-use? Are there things to do to maintain speaker sound quality? To enjoy your speakers fully, they need to be performing at their best. You can expect…
Ohm Goes to the Movies
I am a long standing fan of Michael Connelly’s Hieronymus ‘Harry’ Bosch detective series and I was very pleased when Amazon started a TV series based on Harry. I am addicted…
The Dreaded THD: How Low Can You Go?
The harmonics of a pure tone are a series of pure tones at higher frequencies. These are the frequency of the original tone multiplied by whole numbers. For example, a 1 kHz tone has…