Phono Preamplifiers

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Hi-Fi News Staff  |  Jan 13, 2015
Rothwell Audio has been going for a quarter of a century, mostly making guitar effects pedals. Its hi-fi range encompasses three moving-coil step-up transformers, two MM-only phono stages, a valve preamplifier, interconnects and attenuators. Rothwell’s first phono stage was launched at the 1990 London Hi-Fi Show. The Rialto MM/MC phono stage is tiny and perhaps no oil painting in aesthetic terms.
Review: Ken Kessler, Lab: Paul Miller  |  Dec 21, 2023
hfnoutstandingFrom Japan's Soulnote comes one of the most flexible phono preamps ever developed – RIAA, plus no fewer than 144 legacy playback curves, and support for 'optical' pick-ups!

In the quest for a universal phono stage, designers have to accommodate all manner of cartridges, but for most of us they fall into just two categories: moving-coil (MC) and moving-magnet (MM). Even within those types, however, there are plenty of variants such as moving-iron, moving-flux, whatever you call Deccas, both high- and low-output MCs and even low-output MMs. The list is endless, but Soulnote's E-2 phono amplifier handles all of the above configurations plus DS Audio optical cartridges via a built-in energiser and equaliser.

Review: Ken Kessler, Lab: Paul Miller  |  Mar 05, 2021
hfnoutstandingWho better than a legendary turntable maker to offer a go-to, affordable, universal phono stage? The Thorens MM-008 looks set to shake up the entry-level sector

If anyone still doubts the extent of the LP renaissance, beyond the use of turntables as a trope for cool ads aimed at hipsters, the plethora of affordable gear coming from purist brands known for high-end price points should convince them otherwise. Forget those £69, all-plastic 'record players' sold online to snare newbies: when a company such as Thorens brings out a phono stage like this £220 MM-008, it indicates that renewed LP usage is not the sole province of seasoned audiophiles. Or, indeed, wealthy ones.

Ed Selley  |  Nov 16, 2011
Matching clever technology with exacting build, the Trilogy is an engaging performer. Superbly put together, the Trilogy 907 is machined out of a solid billet of aluminium. Its made-tohide- away outboard supply shares the same footprint and needs to be separated by at least 250mm, with allowance for ventilation. It elicited sighs of admiration from audiophiles to whom we was showed it.
Richard Holliss  |  Nov 03, 2014
The GT version of the Tron Seven phono preamplifier marks the ultimate evolution of the series design. The range starts with a MM base model, with the MC variant next. The Reference model adds high quality resistors and capacitors; the Ultimate adds silver-wired MC transformers and ‘four nines’ silver internal wiring. It also has twin switched inputs, with MM/MC, or MC/MC options.
Review: Ken Kessler, Lab: Paul Miller  |  Oct 04, 2021
hfnoutstandingFrom California via London comes the shapely form of Zesto's Andros phono preamp – all tubes and transformers and now, courtesy of an uprated PSU, in 'Deluxe II' guise

If you demand full control over your cartridges, an all-singing/all-dancing phono preamp like the Zesto Andros Deluxe II is the only thing that will suffice. At £7500, it occupies the lower reaches of the extreme phono stage market – there are £40k-plus units if you're inspired to go further – but one should still be hyper-critical when the market is awash with exceptional, fully-adjustable phono amps for under £1000.

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