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The AD Audio ‘Little Gate’ MC Step Up amplifier

by AD Audio
(1 customer review)

AD Audio announces a new step up amplifier for moving coil cartridges. Designed to compete with the best step up transformers this amplifier offers minimal colouration, and adds dynamics and punch compared to step up transformers. Components used include Elna Silmic electrolytics, Takman carbon film resistors, legendary Toshiba JFets, and gold plated /teflon input and output sockets.

It is available with battery power for £250, or with a matching mains transformer unit for a further £150.

The unit uses 2 x 9v batteries which offer long life and rechargeable batteries can be used as an alternative to the mains power supply.

See http://theartofsound.net/forum/showthread.php?52387-AD-Audio-Jfet-MC-amplifier for review

Based on 1 review

5.0 overall

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  1. adam rowan

    I am pretty happy with my Analogue set up, very happy in fact. Attached to My AD AUDIO Satchmo Pre’s Phono stage is my Hashimoto HM-7 Step up
    (kindly acquired from Tom of this Parish and boxed and fettled by Amp Regen), it is without any doubt a fabulous box
    offering much of what i’d wished my Vinyl front end would one day deliver. It really is very good.

    Anyway, David Coe of AD Audio (also of this parish) called me and asked if i’d be willing to put the mighty Japanese Step Up against
    his very modestly priced (currently around £250) AD Audio Jfet MC amplifier.
    I, of course, said yes, if he was willing to brave the London traffic and drive from Wimbledon to Barnet, no mean feat! a drive that could actually take 3 weeks should one get the timing wrong, although only 22 miles door to door..

    Well Mr Coe pitched up last evening with a very plain box of tricks and Mrs Westlower provided a great homemade fish curry (bloody amazing)
    Whilst we were eating we fired up the Valves and let it all warm ..

    And so, let the battle commence!

    Playing my newly acquired Bill Evans Sunday At The Village Vanguard (UltraDisc one step pressing) … Mobile Fidelity Sound Lab the Hashimotos delivered it fantastically well.
    The music flowed with real body, micro detail and pace. Bill In the room and all that!

    I switched boxes, Jfet into the Satchmo pre and sat back. I must firstly say I had a preconceived outcome already (stupid).

    Well, first impressions, and they are first impressions, WOW, WOW, WOW!! This little light-weight, battery powered box came out swinging and punching!!
    It delivered the music with such flow, great dynamics and musicality.
    It drove the Dynavector DVXX2MK2 with real pace, authority and feeling. An understatement to say, I was very impressed indeed.

    Does it stand up equally to the Hashimoto on this cartridge?, maybe not… but on initial impressions I wouldn’t say there is an awful lot in it, in fact not a lot at all
    and we are talking about a serious Step Up in the Hashimoto HM-7

    I do know one thing from my first half evening with it…It’s a complete hifi bargain.
    A Stonewall no brainer for anyone needing to get a lot out of a MC cart, even if your budget is 10x the price, I’m serious.

    Further impressions to follow. Give it a spin, you will not regret it.

    adam rowan

AD Audio

Ad Audio is headed up by David Coe. David has been building valve amplifiers, televisions, Dacs and other equipment since he was around 10-and that’s a good few year’s ago! David has built many amplifiers, Dacs and other equipment for friends over the years and has recently set up a professional repair and upgrade service. David’s latest venture is a licensing agreement with Oddwatt Audio to produce their preamplifier and power amplifier designs along with the existing 300b stereo amplifier and DDDacs. See further details of these products under their respective separate pages.

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