REL S/812 subwoofer Review

March 2, 2020 Comments Off on REL S/812 subwoofer Review

“A downward-firing 12in carbon ‘SuperProgressive’ passive radiator again uses a new design intended to produce extremely long travel while retaining the variable stiffness of its suspension. The thinking here is that it enables the S/812 to act like a sealed-box compact 12in design at low volume, but still deliver bass down to 19Hz when pushed. At the rear are the inputs, including high-level Neutrik Speakon, low-level stereo phono, and LFE (phono and balanced XLR) connections. There are also high-level Neutrik Speakon and LFE (phono and XLR) outputs. 

Otherwise the back plate is surprisingly sparse, with just two switches (On/Standby, and 180-degree phase), and knobs for high/low/LFE levels and crossover. The Serie S subs are also compatible with REL’s new wireless transmission system (AirShip).

These are the first mid-sized RELs designed to be stackable, thanks to special fixtures and included metal plates. You can safely stack and lock S/812s up to three units high. That sounds bonkers but there is logic in REL’s madness. In the real world, bass has width, depth and height; by stacking these subs you can create bigger bass presence from a smaller footprint.”

TOPPING D10 USB DAC AND USB SPDIF CONVERTER REVIEW

March 2, 2020 Comments Off on TOPPING D10 USB DAC AND USB SPDIF CONVERTER REVIEW

https://hometheaterhifi.com/reviews/dac/topping-d10-usb-dac-and-usb-spdif-converter-review/

“There is no funny reconstruction filter that is said to sound better. The Topping has a high-performance FIR that is flat to 20kHz and has a sharp stopband down 90dB. The output at 0 dBFS comes in at 2VRMS, the industry standard. Channels were remarkably well matched in all tests. It is 0.5dB down at 80kHz!!

I have a complete set of measurements below but nothing on the market at $90 will produce numbers within an order of magnitude of what I measured above. You could stop here and run out and purchase one but I’d advise you to please read my next section on shopping advice when purchasing small brands from the Far East first.”

How Tube Amplifiers Work

March 2, 2020 Comments Off on How Tube Amplifiers Work

Music Hall mmf-9.3 Walnut Turntable with Goldring Eroica LX MC Cartridge $2,695 Review

March 1, 2020 Comments Off on Music Hall mmf-9.3 Walnut Turntable with Goldring Eroica LX MC Cartridge $2,695 Review

https://positive-feedback.com/reviews/hardware-reviews/music-hall-mmf-9-3-turntable-2/

“The synergy of the mmf-9.3 Walnut’s remarkable quietness, balanced and natural tonality, superb resolution, expressive drive and pacing, make it an overachieving entrant in this price range. Though I’ve yet to hear their flagship offering, the mmf-11, this penultimate offering from Music Hall, especially in this beautiful walnut finish, offers an incredible combination of exhilarating performance, strikingly good classic aesthetics, and most importantly, exceptional value. While there is quite a bit of competition in this class, the Music Hall mmf-9.3 distinguishes itself as a top performer, one that most LP lovers will find remarkable enough to be their “forever” turntable! Most highly recommended.”

Gato Audio DIA-250S NPM Amplifier/Network DAC Review

March 1, 2020 Comments Off on Gato Audio DIA-250S NPM Amplifier/Network DAC Review

https://www.hifinews.com/content/gato-audio-dia-250s-npm-amplifiernetwork-dac

“The basic specification of 250W/8ohm and 500W/4ohm, and RCA/XLR line pre-outs to feed external power amps, active speakers and subwoofers, has not changed from the original DIA-250S amplifier. Similarly, the controls are minimal, with nothing more than that large central volume control, input selector, plus a standby button, on the front panel. The display shows volume and input as standard, but when playing digital sources the right-hand panel can be set to show input sampling rate, either for a few seconds via remote control, or by default using the display dimmer button on the rear panel.

Crucially, Gato has now added its NPM (network player module) to the DIA-250S, opening up a whole new world of digital streaming to the user. Inserted into the upper part of the rear panel, where once was just a screw terminal to connect a Bluetooth stub antenna, this adds an Ethernet port and a USB-A socket into which can be inserted a supplied Wi-Fi dongle, and upgrades the Bluetooth provision to aptX HD.”

Small 3-Way Stereo Speaker Build

March 1, 2020 Comments Off on Small 3-Way Stereo Speaker Build

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