Testipenkissä: Vox AC30S1

”Älä muuta mitään. AC30 on sinun lapsesi, ja sen tarina tulee jatkumaan ikuisesti!”

Näin sanoi Voxin alkuperäisen emoyhtiön, JMI:n, perustaja ja pomo Tom Jennings hänen pääsuunnittelijalle, Dick Denneylle (kuvassa), joskus 1960-luvulla.

Jo ennen kuin Marshall-vahvistimien tuotantoa edes suunniteltiin, Voxista oli jo tullut ensimmäinen brittivahvistimien legenda. Alkuperäistä Vox AC30:tä kehiteltiin vuonna 1959 The Shadows -yhtyeelle, AC15-mallin isommaksi versioksi. Hank Marvinilla ja Bruce Welchillä alkoi nimittäin tulla vaikeuksia saada kitaransoittoansa kuulumaan, koska bändin (ja Cliff Richardin) yleisöt ja keikkapaikat kasvoivat yhä nopeammin.

Vox AC30:n ensimmäinen versio oli yhdellä 12-tuumaisella kaiuttimella varustettu kombo. Kun The Beatles -yhtiön kitaristit alkoivat käyttää AC30:tä vahvistin oli jo kasvanut kahdella 12-tuumaisella varustetuksi versioksi, jota Vox kutsui ”Twiniksi”. John Lennon ja George Harrison olivat myös ensimmäisten joukossa saaneet kombon (silloin) uusimman version Top Boost -piirillä. Maailmaa järisyttävä Beatlemania oli Voxille parasta mahdollista mainontaa ikinä.

Voxin AC30 Twinistä Top Boostilla tuli Vox Amplificationin lippulaiva, joka on edelleen yksi maailman ikonisimpia kitaravahvistimia. Kiitos tästä kuuluu myös kaikille näille kitaristeille, kuten Brian May (Queen), Rory Gallagher, Lenny Kravitz ja U2:n The Edge, joille AC30 on ollut ja/tai on edelleen oman soundin kulmakivi.

Alkuperäisiä AC30-komboja (ja niiden uudelleenpainoksia) arvostellaan usein niiden koon ja painon vuoksi. Joillakin alkuperäisillä 60-luvun versioilla on myös taipumus kuumentua liikaa, vahvistimen uumenissa sijaitsevien putkien takia. Tämän lisäksi kaikki alkuperäiset AC30:t on rakennettu ilman master volume -säädintä, minkä vuoksi kombon omia särösoundeja saadaan tuotettua vain silloin, kun styrkkari pyörii (lähes) täysillä volyymillä.

Onneksi Voxin nykyisestä mallistosta löytyy monta eri nykyaikaisia ja virtaviivaistettua AC30-versioita.

Upouusi Vox AC30S1 (katuhinta noin 780 €) pakkaa AC30:n parhaita soundeja helppokäyttöiseen, master volumella -varustettuun ja helpommin kuljettavaan muotoon.

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Uusi Vox AC30S1 on firman hyvin suositun kiinalaisen Custom-malliston uusin jäsen.

AC30 Single -kombolla on edelleen klassisen Voxin ulkonäkö, mutta yhdellä 12-tuumaisella varustetun uutukaisen kotelo on hieman perinteistä kapeampi. Tämä versio painaa ”vain” 24,5 kiloa, mikä on peräti yhdeksän kiloa vähemmän kuin Custom-sarjan AC30 Twin (AC30C2).

Uudessa kombossa on yksi kanava kaksikaistaisella EQ:lla, sekä master volume -säätimellä.

Tämän Voxin sisäinen kaiku on digitaalinen mallinnus perinteisestä jousikaiusta.

Ihan niin kuin 60-luvun esi-isällä, AC30S1:llä on puoliksi avoin takaseinä.

Vox Custom -sarjan vahvistimet on suunniteltu nykypäivän sähköturvallisuusmääräyksien mukaisiksi. AC30S1:n tapauksessa tämä näkyy esimerkiksi helposti vaihdettavissa ja hyvin tuuletetuissa vahvistinputkissa, metallisessa turvaverkossa (joka estää suoran pääsyn kuumiin putkiin), sekä irrotettavalla sähköjohdolla IEC-liittimellä.

AC30S1:n etuvahvistin käyttää kahta 12AX7-putkea, kun taas päätevahvistimessa pyörii peräti neljä EL84-putkea.

Kombon kaiutin on 12-tuumainen Celestion VX, joka on suunniteltu varta vasten tälle vahvistimelle.

Takapaneelista löytyy lähtö lisäkaiuttimelle (16 Ω), sekä efektilenkin liittimiä.

AC30S1:n EU-versioihin on lisätty myös Eco-ominaisuus, joka laittaa kombon omatoimisesti pois päältä kahden tunnin tyhjäkäynnin jälkeen.

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Upouusi Vox AC30S1 on selkeästi helpompi nostaa ja kuljettaa kuin perinteiset Twin-versiot, mikä on varmasti hyvä uutinen meille kaikille.

Nyt seuraa pieni varoitus:

Vaikka Voxin mainoskuvissa uutta AC30 Singleä esitellään monissa olohuone-tyylisissä tilanteissa, tämä kombo ei mielestäni ole oikea valinta olohuonekäyttöön. Vaikka tässä on kyseessä ”vain” yhdellä 12-tuumaisella kaiuttimella varustettu styrkkari, AC30S1:llä ei ole minkäänlaisia ongelmia tarjota henkeäsalpaavia volyymitasoja. Totta, tässä on master volume -säädin, mutta sen toiminta on – ainakin testiyksilössä – epätasainen juuri potikan alkumetreillä, jossa hypätään hiljaisuudesta lähes suoraan noin 30 prosentin teholle. Tämä vahvistin ei kuulu kerrostaloon tai olohuoneeseen, vaan se haluaa isoon studioon tai Rock-klubin lavalle.

Vaikka uutukaisen toimintasäde on hieman Twin-versiota kapeampi (koska kotelosta löytyy vain yksi kaiutin), Vox AC30S1:n soundit ovat kuitenkin täynnä ehtaa AC30-magiaa. Niin kuin AC30:ssä yleensä, puhdasta headroomia ei ole tarjolla niin runsaasti kuin esimerkiksi Blackface-tyylisissä Fendereissä. AC30:n juju on juuri sen tasaisesti kasvavassa reunasärössä, joka lähtee liikkeelle jo kohtuullisen pienellä gainella, sekä crunch-särön tiheydessä ja purevuudessa.

Tästä pätkästä saa hyvän idean AC30S1:n soundimaailmasta. Gain on säädetty täysille ja vahvistimen säröä ohjataan Fender Stratocasterin volume-säätimellä:

AC30S1:n digitaalisesti mallinnettu jousikaiku kuulostaa erinomaiselta – tämä on ehkä paras putkivahvistimen sisäinen digikaiku pitkään aikaan:

Demobiisissä soitan pätkiä neljästä Vox AC30:llä soitetuista klassikkobiiseistä – ”Wonderful Land” (The Shadows), ”I Feel Fine” (The Beatles), ”We Will Rock You” (Queen), sekä ”Pride (In The Name Of Love)” (U2).

• Wonderful Land – Fender Stratocaster

• I Feel Fine – Fender Stratocaster, Fender Telecaster, Epiphone Casino, Tanglewood TW28-CSN (magneettisella Seymour Duncan SA-1 -mikrofonilla)

• We Will Rock You – Fender Stratocaster

• Pride (In The Name Of Love) – Fender Telecaster & Stratocaster

Mikrofonit: AKG C3000 & Shure SM57

Delay-efektejä on lisätty miksausvaiheessa:

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Minun mielestäni uusi Vox AC30S1 on erinomainen lisäys firman AC30-valikoimaan. Uusi Single-versio tarjoaa miltei kaikkia klassisia Vox-soundeja hieman kompaktimmassa koossa.

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Vox AC30S1

Katuhinta noin 780 €

Maahantuoja: EM Nordic

Kiitos DLX Musiikille testivahvistimen lainasta!

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Plussat:

+ paino

+ laadukas digikaiku

+ efektilenkki

+ soundi

+ kovaääninen

Miinukset:

– master volume -potikan jyrkkyys

– kovaääninenSave

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Review: Vox AC30S1

”Keep it as it is. The AC30 is your baby, and it will go on forever!”

These prophetic words were spoken by Tom Jennings, the founder and head of Vox’ original parent company JMI, in the mid-1960s to his chief designer Dick Denney (pictured above).

Well before Marshall Amps arrived on the scene, Vox became the UK’s first legendary guitar amplifier brand. The original Vox AC30 was developed in 1959 as a larger version of the AC15 for the group The Shadows. Hank Marvin and Bruce Welch started having problems getting themselves heard over the ever-growing crowds they were drawing at ever-larger venues.

The first version of the Vox AC30 was a combo equipped with a single 12-inch speaker, but by the time the Beatles arrived on the scene the amp had evolved into what Vox called a ”Twin amplifier”, meaning a combo with a pair of 12-inch speakers. The Beatles were also the first band to receive AC30s with the company’s (then) new Top Boost -circuit. Vox couldn’t have dreamt up a more potent way of promoting their products than Beatlemania.

The AC30 Twin with Top Boost became Vox Amplification’s flagship product, which still stands today as one of the most iconic guitar amplifiers of all time. This is thanks in no small part to the great guitarists, such as Brian May (Queen), Rory Gallagher, Lenny Kravitz and U2’s The Edge, who made the combo a vital ingredient of their respective signature sounds.

Vintage AC30s (and faithful reissues) are often criticised for being quite large and heavy. Some 1960s examples also seem to have a tendency for overheating, due to the valve layout inside the chassis. Original AC30s also are non-master volume designs, which means that break-up and crunch sounds can only be had close to full volume levels.

Luckily, Vox’ line-up also includes more modern and streamlined AC30-versions.

The brand-new Vox AC30S1 (current Finnish street price around 780 €) takes everything that is great about the AC30, and puts it into a streamlined, master volume-equipped, and much more portable single speaker combo.

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The new Vox AC30S1 is part of the company’s very successful Chinese-made Custom range.

The AC30 Single keeps the classic Vox look, but comes in a narrower cabinet. At 24.5 kg the newcomer weighs a good nine kilos less that the Custom Series AC30 Twin (AC30C2).

The new combo offers a single amp channel with a two-band EQ-section and a master volume knob.

The built-in reverb is digital, and modelled after a classic spring reverb.

Just like the classic Sixties design the AC30S1 also sports a half-open back.

Vox’ Custom Series amps have been redesigned and updated to comply with all necessary safety regulations for modern tube amplifiers. In the AC30S1’s case this means well-ventilated valves that are easy to access, a safety grill to prevent anybody from touching piping hot tubes, and a detachable IEC mains cord.

The AC30S1 uses a pair of 12AX7 valves for the preamp section, as well as four EL84s in the power amp.

The speaker is a 12-inch Celestion VX model, designed specifically for use in this combo.

The back panel offers an additional speaker output (16 ohms) and an effects loop.

EU-versions of the AC30S1 also come with a switchable Eco-function, which will turn the amp off automatically when left running unplayed for two hours.

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The brand-new AC30S1 is noticeably easier to lift and carry than any of the regular Twin versions, which is great news for virtually any of us.

A word of warning first:

Despite Vox’ promo pictures showing the new AC30 Single in different living room set-ups, this isn’t really a combo for noodling on the couch. Despite being a single 12-inch speaker combo, the AC30S1 has no problem whatsoever in dishing out ear-shattering sound pressure levels. Yes, there is a master volume knob, but – at least on our review sample – the pot’s taper isn’t especially even, instead jumping rather abruptly from ”off” to something like 30 percent power. This combo doesn’t belong in a block of flats or in a sitting room, this amp belongs in a full-blown studio or on a club stage.

Despite the inevitably narrower throw of a single speaker (compared to a twin speaker set-up) the sounds gleaned from the Vox AC30S1 are pure AC30 magic. Typically, clean headroom isn’t available in Fender Blackface-style amounts. An AC30’s sound is defined by the smooth and steady break-up at comparatively moderate gain levels, and by the bite and density of its crunchy distortion.

Here’s an example of the range of textures you can get from the AC30S1 with its gain at full, while using a Stratocaster’s volume control:

The AC30S1’s digitally modelled spring reverb sounds terrific; probably the best onboard digital spring reverb I’ve heard in a long time:

The demo track features my covers of four classic Vox AC30 tracks – ”Wonderful Land” (The Shadows), ”I Feel Fine” (The Beatles), ”We Will Rock You” (Queen), and ”Pride (In The Name Of Love)” (U2).

• Wonderful Land – Fender Stratocaster

• I Feel Fine – Fender Stratocaster, Fender Telecaster, Epiphone Casino, Tanglewood TW28-CSN (with Seymour Duncan SA-1 pickup)

• We Will Rock You – Fender Stratocaster

• Pride (In The Name Of Love) – Fender Telecaster & Stratocaster

Microphones used: AKG C3000 & Shure SM57

Any delays were added during mixing:

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In my view the new Vox AC30S1 is an excellent addition to the company’s AC30 range. This combo gives you virtually all of the classic Vox tones, but with far less bulk.

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Vox AC30S1

Street price in Finland approx. 780 €

Distributor: EM Nordic

Thanks to DLX Music Helsinki for the loan of the review amp!

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Pros:

+ lesser weight

+ high-quality spring-style digital reverb

+ effects loop

+ sound

+ high volume levels

Cons:

– master volume taper

– high volume levelsSave

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Vox AC30S1 – the Kitarablogi-video

VOX AC30S1

• Single-channel design inspired by the AC30’s trademark Top Boost

• All tube design featuring two 12AX7 pre-amp tubes and four EL84 power-amp tubes

• Equipped with a single Celestion-made 12-inch speaker, specially voiced for the AC30S1

• Effects send/return and external speaker output are provided for pairing with pedals or external cabinets

• Equipped with digital reverb that simulates a classic spring reverb

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The demo track features my covers of four classic Vox AC30 tracks – ”Wonderful Land” (The Shadows), ”I Feel Fine” (The Beatles), ”We Will Rock You” (Queen), and ”Pride (In The Name Of Love)” (U2).

• Wonderful Land – Fender Stratocaster

• I Feel Fine – Fender Stratocaster, Fender Telecaster, Epiphone Casino, Tanglewood TW28-CSN (with Seymour Duncan SA-1 pickup)

• We Will Rock You – Fender Stratocaster

• Pride (In The Name Of Love) – Fender Telecaster & Stratocaster

Mics used: AKG C3000 & Shure SM57

Delays added during mixing.

First Look: Vox AC30S1

VOX AC30S1

• Single-channel design inspired by the AC30’s trademark Top Boost

• All tube design featuring two 12AX7 pre-amp tubes and four EL84 power-amp tubes

• Equipped with a single Celestion-made 12-inch speaker, specially voiced for the AC30S1

• Effects send/return and external speaker output are provided for pairing with pedals or external cabinets

• Equipped with digital reverb that simulates a classic spring reverb

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The demo track features my covers of four classic Vox AC30 tracks – ”Wonderful Land” (The Shadows), ”I Feel Fine” (The Beatles), ”We Will Rock You” (Queen), and ”Pride (In The Name Of Love)” (U2).

• Wonderful Land – Fender Stratocaster

• I Feel Fine – Fender Stratocaster, Fender Telecaster, Epiphone Casino, Tanglewood TW28-CSN (with Seymour Duncan SA-1 pickup)

• We Will Rock You – Fender Stratocaster

• Pride (In The Name Of Love) – Fender Telecaster & Stratocaster

Mics used: AKG C3000 & Shure SM57

Delays added during mixing.

Review: Bluetone Shadows Jr.

Following in the wake of their very popular Shadows Reverb combo, Finnish boutique makers Bluetone Amps have recently introduced a smaller sibling, called the Shadows Jr.

The Bluetone Shadows Jr. (combo starting at around 1,300 €) is a hand-built, all-valve guitar combo, whose sound is based on the classic Vox AC15. Instead of being a straight, slavish copy, though, the Shadows Jr. incorporates many of the up-to-date features that have made Bluetone such a well-regarded boutique maker.

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The Shadows Jr. has the clean and business-like looks that active players truly appreciate. You don’t want to be slowed down on stage by a control panel that’s hard to decipher. The Bluetone is clarity itself.

This is a single-channel all-valve combo running in Class AB mode giving you maximum output power at just over 10 watts.

The Shadows Jr. is designed around a trio of 12AX7 preamp tubes and a pair of EL84s powering the speaker. The combo’s power valves are cathode-biased, which means that swapping tubes won’t necessitate a trip to your friendly amp technician.

Bluetone is one of the very few amp makers who use torroidal power transformers. These doughnut-shaped devices (the black thing in the upper left corner) are lighter and more dependable than traditional transformer designs, and they offer more exact tolerances. As a valve amp is highly dependable on a stable and electronically quiet power supply for superior tone, Bluetone decided on using torroidal transformers early on, and they’ve never looked back.

The Warehouse Guitar Speakers Green Beret is an excellent choice for a strongly Brit-flavoured combo. Bluetone break in all of the speakers they use with low-frequency sine waves.

Despite being a compact single-channel combo amp (weighing only around 10 kg), the Bluetone Shadows Jr. offers an amazing amount of different clean and gain tones, thanks in no small part to the amp’s PPIMV master volume and the three-step OPC-switch.

PPIMV stands for ”post-power inverter master volume”, which is the preferred way of master volume design at Bluetone Amps, because it eats up the least amount of an amplifier’s tone, when in use. And if you turn the master volume knob all the way up, a PPIMV design makes the master volume ”disappear” electronically, making it completely transparent.

OPC, on the other hand, stands for ”output power control”. On the Shadows Jr. you have a choice of three settings, giving you 0.2, two or the full 10 watts of power, respectively. The magic of the OPC circuit is that it will turn volume levels down very noticeably without changing the tonal character of your settings, while also leaving almost all of the dynamics intact. Many lesser output power designs will turn a clean setting into an overdriven sound when you select a lower output level. The Shadows Jr. will sound almost the same on ten, two or 0.2 watts – the small tonal differences are the result of the speaker being driven differently. With the OPC at the lowest setting you will get approximately 95 percent of the full ”Shadows Jr. experience” at bedroom/apartment block volume levels. That’s fantastic!

The back panel gives you a choice of using the internal speaker or an external 4- or 8-ohm cabinet.

Bluetone have also included their tasty buffered, switchable effects loop with a dedicated volume control. When the loop is not in use, the circuit can also serve as a handy lead boost.

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Are you looking for a cool little tone machine with a strong Vox-y flavour, and no-compromise build quality? You should do yourself a favour and try the Bluetone Shadows Jr.

The Shadows Jr. ticks all the right boxes:

You get that classic clean tone with that sweet mid-range ”attitude”. A clean tone that is lively, but never glassy or brittle.

With the front-end volume near the other extreme you’ll get overdrive and distortion that is more gritty and dynamic – think later era Beatles, windmilling Townshend, or multilayered May – than creamy and compressed.

But don’t forget to check out the wide scope of break-up Blues and Rock ’n’ Roll sounds to be had between 11 and 2 o’clock on the volume (gain) control (depending on the guitar used). You’re in for hours of wailing soloing and chunky rhythms without ever needing an overdrive stompbox.

Here’s a Gibson Les Paul Junior on its own:

Demo track number one features two rhythm guitar tracks – a Fender Stratocaster (stereo left) and a Gibson Les Paul Junior (right) – as well as a Hamer USA Studio Custom on lead duty:

The second demo track features a Gibson Les Paul Junior (rhythm left), an Epiphone Casino (rhythm right), and a Fender Telecaster (lead guitar):

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The Bluetone Shadows Jr. is a fantastic little tone machine for the Vox-inclined player, who likes warm clean tones, dynamic break-up sounds, and gritty late-Sixties/early-Seventies dirt.

The build quality is miles ahead of any mass-produced guitar amplifier – this is a handcrafted boutique-grade valve amp. Modern additions like the PPIMV master volume, the OPC circuit, and the switchable effects loop, also raise this amp above any vintage-style copies.

For many the crucial question with low-wattage amps is volume. How loud is the Bluetone Shadows Jr?

Let’s just say that if you’ve only ever tried 10-watt tranny combos before you’re in for quite a surprise! These are ten (-plus) watts of British-style valve amp majesty, with every last ounce of loudness wrung out of the power amp and speaker.

With the OPC and the master on full, this little chap will easily get you into trouble with your neighbours in your block of flats on clean tones alone. If you don’t need 100 percent clean tones, the Shadows Jr. will easily get you through many rehearsals and gigs in small venues. And there’s always the option to stick a mic in front of the speaker.

So, don’t expect a Heavy Metal-type volume onslaught, but be prepared for some serious business.

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Bluetone Amps Shadows Jr.

Prices starting from 1,300 €

Contact: Bluetone Amps

Pros:

+ Handmade in Finland

+ Master volume

+ OPC

+ Effects loop

+ Sound

+ Value-for-money*****Save

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Bluetone Shadows Jr – The Kitarablogi video

Bluetone Shadows Jr.

• Handmade in Finland
• All-valve Class AB single-channel combo
• 10 W, 2 W or 0.2 W of output power (OPC)
• Diode recitified
• Two-band EQ
• PPIMV Master Volume
• Built-in buffered FX loop/booster
• 3 x ECC83 (12AX7) & 2 x EL84
• One 10-inch WGS Green Beret speaker (25 Watts/8 Ohms)

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Demo Track

All guitars recorded with the Bluetone Shadows Jr. (no pedal effects used). Delay and reverb added during mixdown.

• Rhythm guitars: Fender Stratocaster (left channel) & Gibson Les Paul Junior (right channel)
• Lead guitar: Hamer USA Studio Custom

Recorded with a Shure SM57.

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