Copper

Wait A Minute!

We interrupt our regularly scheduled Subwoofery series for a Special Announcement! In the past couple of weeks, as I voiced several systems around the country and conducted set-up classes at my RoomPlay...

Amplified & Equalized

Having generated a few milli- or micro-volts by our humble little cartridge, we now have to equalize by applying the inverse of the RIAA curve that was applied when the...

Felix Pappalardi, Nantucket Sleigh Ride

A band named Mountain, that in its most potent form lasted from 1970-1972, was the absolute and undeniable Father of Heavy Metal. I usually leave some room for argument, I like to...

Versa Dynamics

Every now and then a new company appears in the audio world, seemingly out of nowhere, with high aspirations and novel technology. Versa Dynamics was one such company, appearing in...

How to Make a Vintage Component Sing Again

Part 1: The power supply capacitors It’s not a secret that one of the more economical ways of building a HiFi system is to purchase used or vintage gear. There’s...

Back By Popular Demand

How Much Power Do I need?

Power amplifiers, whether standalone or built into a receiver, integrated, or even our mobile phones, drive our speakers and headphones so we hear sound. Amplifiers produce Watts and, if you’ve ever...

Inside Issue 16

Twist And Shout

The rebirth of interest in LPs—vinyl records— has brought many newbies to the field, often with a rather iffy survival rate. Paul Epstein and wife Jill are no latecomers, having...

Sigma Delta Modulators Part II

In my last column, I wrote about how a SDM might be used to faithfully reconstruct an incoming signal, even if its output is constrained to an apparently hopelessly reduced...

That’s Show Biz!

In Copper #7, I wrote about the passing of Richard Beers, the promoter of THE Show-Newport. In #8, I asked, “how many shows are too many?” Consider this column the...

Two Kinds Of Hits

We have a hit. We’ve been hit. Both are true. Everybody wants a hit record; everybody. It’s money, it’s acknowledgment, and it means more work, all those things. The  Tuesday...

Organizers and Decorators

Isaiah Berlin gave us foxes and hedgehogs. Classical Greece offered Apollo and Dionysius. Not to be outdone, Ned Rorem came up with his own slam-dunk binary oppositions, French/German. (Example: cats are...