The Newest Boulder: the 1160 Power Amplifier

TONEAudio write: It’s a pretty big deal when Boulder Amplifiers announces a new series of amplification components, in this case the 1100 series. Starting with the 1160 power amplifier you see here, weighing in at 140 pounds and producing 300 watts per channel, (doubling into 4 and 2 ohms) you can see that this is […]

Read More

HILL PLASMATRONIC: Dedicated to the World’s Finest Speaker, the 1A

The Flame Still Burns Imagine a speaker with no moving parts.  No mass, no cones, no ribbons, no diaphragms, no enclosure, no Doppler shift, no resonances- just the ability to modulate the air directly. Now imagine a perfect audio point source (the ideal pulsating sphere) radiating uniformly with constant phase.  This has been the dream of physicists for […]

Read More

FOSTEX: PM0.5d active loudspeakers

From the desk of Frank Berryman Stuart Smith has posted a review of the Fostex PM0.5d active loudspeakers (£250/pair) at Hi-Fi Pig. His conclusions: “For the asking price and used as I am using them, they are well made and represent really good value for money. They look good on the desktop and pop them […]

Read More

ARCAM: irDAC D2A test review

Edd Harris writes: In 1976 when two passionate Cambridge University students founded ‘Amplification and Recording Cambridge’, now formally known as ARCAM (since 1980), the companies main focus was firmly on producing high performance technologies for the blossoming record production industry. Little did the founders know that their reference quality journey would lead them into the […]

Read More

Home built mechanical sound recorder

This looks rather interesting. Here’s an extract from the accompanying test: “Here is my version of a mechanical sound recorder based on a turntable. It’s possible to record up to 4 minutes on a blank CD. The quality of my camera’s mic captured sound is lower than that of the real playback, videos with original […]

Read More

Having enough juice

Paul McGowan writes ….. One of the hotly debated issues amongst designers is current capabilities of an output stage on a DAC or preamplifier.  It’s number 8 on our list of the duties of an output stage.  On the one hand it can be argued that modern interconnects placed between the DAC and the preamplifier […]

Read More

Vinyl Revirginizer

The thread starts as follows: Just ordered a bottle of this stuff: http://recordrevirginizer.com/ Some discussion here: http://www.lencoheaven.net/forum/index.php?topic=2797.0 and also reviewed in March issue of HFW. I can’t bring myself to spend £400 on a cleaning machine, I just don’t have enough records (about 300) to justify it. Anyone tried it already? Or the Wood glue […]

Read More

PINK TRIANGLE: Happy Anniversary – taking a Pink Triangle for a spin

The thread starts ….. This is a thread about my interest in modifying a Pink Triangle – my own early Mk1 PT from when I worked at the company. In part it is to investigate the “belt drive” prejudice, in part to revisit with Arthur the original thoughts behind the Anniversary turntable as the company’s […]

Read More

SPENDOR: Big Spendors for a not so big spender

“I’m wondering if anyone has any thoughts on this: My perfect hi-fi would probably be Spendor SP100Rs driven by suitable Naim stuff, but I could never possibly afford that. http://s560.photobucket.com/albums/s…lies/17433.gif So what about the older 100 series Spendors? The S100 or SP100? And what to drive them with? My past experiences with smaller Naim (Nait […]

Read More