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Archive for December 27th, 2008

What? Less gear? I must be speaking blasphemy, especially considering I’m such a gear freak – especially with my proclivity for pedals. But there’s also a practical side to this, as I am also a gigging musician. And especially when I do solo gigs, having less gear means less trips to the car. So as much as I can consolidate, I do. I was thinking about this because Christmas time through the New Year is usually a very busy time for me as far as gigs are concerned. For the past month, I’ve had at least three gigs each weekend, playing parties and other events. So you can see that I’m fairly sensitive to lugging gear.

So here I am in a coffee shop this morning, having put the finishing touches on my latest gear review on Aracom Amps RoxBox. In the article I mentioned that Channel 2 suffered from being flat at lower volumes, and that I ultimately solved the problem by running the amp through an attenuator between he power amp and speaker. I’ve had to do that practically every tube amp I’ve tested, so it got me to thinking: Why don’t more manufacturers just add these to their amps? I suppose production cost has a lot to do with it, but amp makers such as Faustine Amps have a -18db reactive attenuator built into their Harlequin line of amps and the Fender Princeton Studio also has a built-in attenuator as well. It’s a cool feature, and one that will allow you to get power tube saturation at lower output volumes.

Let me explain what I mean by way of a diagram:

Output attenuator

As you can see, the traditional master volume circuit contains an attenuator between the pre-amp and the power amp. This means that you can crank the pre-amp and get pre-amp distortion, while limiting power to the power amp; thus limiting output volume. But it also means that in many cases, you won’t get power amp distortion unless you crank the master, which tends to be too loud, especially in small clubs and restaurants. But in the second illustration, with a second attenuator between the power amp and the speaker, it is now possible to crank the master volume to get power tube saturation while limiting overall output. I currently do this with the use of a Dr. Z Air Brake. But going back to the topic of this article, it’s just another piece of gear that I have to bring with me to a gig. Ugh!

In addition to production cost, there is a danger of possibly burning out the power tubes if you really overdrive them. I’ve done it to my Fender Hot Rod, by turning the attenuator to maximum attenuation, and diming the Drive knob for too long a time. Not good.

As I mentioned above, Faustine does this with their Harlequin line of amps (not sure about the others), and while -18db of attenuation may seem like a lot, it’s actually not that much – it takes the edge off. There must be a happy medium, say -24db or maybe -30db? Who knows? But whatever… this is a case where less gear is much better!

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4.75 Tone Bones - Almost perfect but not quite. Still way above average!

Aracom Amps RoxBox 18 Watt Combo Amp

Aracom Amps RoxBox 18 Watt Combo Amp

Aracom Amps RoxBox 18 Watt Combo

Summary: The RoxBox is an ideal small to medium size venue amp. Don’t let it’s diminutive size fool you. This amp is LOUD, and packs a real punch. Oodles of clean headroom in Channel 1 and capable of super-sinister drive in Channel 2 due to the “hidden” extra gain stage. Very pedal friendly.

Pros: Crystal-clear clean tone in either channel, though the second will break up earlier. Switchable from 18 Watts down to 9 Watts, so you can use this on stage and in the bedroom. Master volume kicks ass, and acts very similar to an effects loop attenuator. At 18 Watts, it’s loud enough to blow your ears off! Very pedal friendly.

Cons: Only a nit, but I wish this thing had a spring reverb. Also, overdrive can be a bit harsh at lower volumes, especially with single coils, though it’s gorgeous at louder volumes and moderate volumes using hubuckers.

Price: $895 direct

Specs:

– (2) EL84 Power Tubes
– (2) 12AX7 & (1) 12AT7 Preamp Tubes
– S.S. Rectifier with “sag” circuit
– Hi/Low B+ voltage switch (18/9 watts)
– On/Off Switch
– Indicator Lamp
– Custom Heavy Duty Aluminum Chassis
– Custom Wound Transformers
– 4, 8, 16 ohm Speaker Jacks
– Custom Handcrafted
Turret Board
– Handwired
– Weight: ~35 lbs

Combo Cabinets
Standard Tolex: Navy Blue Levant (as tested)
– Dimensions
1×10 Combo: 18″w x 19h x 10″d
1×12 Combo: 18″w x 19h x 10″d
– Weight
1×10 Combo: 36 lbs
1×12 Combo: 39 lbs

Tone Bone Score: 4.75 On value alone, this would get a 5, but the mildly harsh breakup at lower volumes gives it just a slight mark off. Still, it’s a great amp!

Jeff Aragaki, the owner and designer/builder of Aracom Amps is on a mission to transition from his telecommunications business entirely into his amp building business. I’d say that based upon playing just this one amp (both the head and combo versions), and having a look at a couple of other amps in his line (which I will probably review in time), he’s well on his way to successfully completing that mission. And Jeff’s not alone in this quest. A few folks I know here in the Silicon Valley have preceded Jeff, moving from their high-tech careers into the music equipment business; and while they may not have become super-wealthy off these new endeavors, they’re certainly living their dreams.

It’s like that in the Silicon Valley which, for decades has been a hotbed of innovation and dream-chasing. And while its star has faded somewhat as the global technology leader and the market has opened up allowing more players to the tech scene (China and India, for instance), the spirit of innovation and going after your dreams upon which “The Valley” was built remains alive and well, as evidenced by guys like Jeff. And true to Silicon Valley form, what these guys produce is quality stuff, and Aracom amps definitely follows suit!

When Jeff and I first hooked up, I was really excited about his 18 Watt RoxBox. First of all, I just dig the EL-84 tone, and secondly, I was amazed that he could offer this amp for less than a grand, and it’s a hand-wired amp, for goodness sake! I knew I had to check it out. And lucky for me, the city where Jeff lives is a half-hour away (if the traffic’s good), so two days after I first spoke with him, he personally delivered a head and a combo. I’ve been playing with both since (though I was so excited, I let my buddy borrow the head for a couple of days to see how he likes it). I’ve tested both amps in the studio as well as at gigs, but I’m writing this review about the combo. If you want to hear how the head sounds, check out this clip:

My Tests

For my tests, I used my Strat, my PRS SE Soapbar II with P-90’s, and a Saint Baritone Messenger that I’m also testing. The amp performed excellently with all three guitars, but was especially responsive to the baritone which has active humbuckers in Channel 2. But before I get ahead of myself, let first me go over the amp’s features apart from its technical specs.

Controls and Equipment

The RoxBox features two independently voiced channels, each equipped with a volume and tone knob. The Tone control functions similarly to a high-freq sweep. It also has a Master volume which is available to both channels. The Master volume is very cool as it functions as an attenuator between the pre-amps and the power tubes, so you can slam the front of the amp with tons of input gain to get that sweet, mid-rangy pre-amp distortion while keeping the output volume at bedroom levels. Great for edgy blues and classic rock tones. The combo I tested also sports an Eminence Red Fang Red Coat 12″ speaker. Operating at 30W, this sucker has a lot of balls! As expected, the sound was a little harsh when I first tried it out, but after several hours of playing, it’s starting to break in and the tone is starting to become a lot more smooth. Now with that out of the way, let’s get into some details.

Channels

Channel 1 would be considered a normal channel, while Channel 2 is a drive channel that will break up a lot earlier. But with Channel 1, the name of the game is “clean.” With my Strat plugged in, this channel has so much clean headroom that I had to really dig into the strings to produce even a slight amount of grind. My PRS with P-90’s and the Saint Messenger could only produce moderate amounts of grind when the volume was dimed. That’s pretty impressive, and definitely not what I expected. With so much clean headroom, Channel 1 is VERY pedal friendly.

Channel 2 on the other hand definitely breaks up early and is voiced just a tad brighter than Channel 1. But it also has a lot of clean headroom as well. With my Strat, I had to turn the volume knob past 7 to get some decent grind, and had to peg my guitar volume. Believe me, that’s not a bad thing either. On the other hand, My PRS SE Soapbar II and the Saint Messenger had no problems producing grind. I could get breakup at around 4 with the Messenger, and around 5 with the PRS.

To get earlier breakup, Channel 2 actually has a third “hidden” pre-amp gain stage in series behind the pre-amp you plug into with fixed settings. It’s voiced a bit hot, and as Jeff puts it, it’s like having a built in tube overdrive. The end result is you get breakup a lot earlier. I have to say that while I like Channel 1’s tone, for pure versatility, Channel 2 really does it for me, as it is lively and responsive to changes in attack and guitar volume. And putting a booster in front of this Channel really brings on the growl that this channel is capable of producing.

How It Sounds

Tonally, this is definitely an EL-84 amp. It’s bright and chimey, and with the Red Fang, it also has lots of balls. For sweet, clean tones, Channel 1 produces a lush clean tone, and my Strat in the Neck/Middle position sounds gorgeous through this channel. As I mentioned, it’s a bit brighter than Channel 1, which made me tweak my guitar tone knobs a bit, but not so much so that it’s unusable. And where this amp really shines in the tone department is when it’s moving lots of air. Plugged into Channel 2 with the volume turned up around 12-2 o’clock, and the Master past three, the amp simply sings its heart out, though at those volume levels in an enclosed space like a home studio, the assault on your eardrums can get a bit uncomfortable.

And while I don’t want to say anything negative because I truly dig this amp, I have to say that at lower to moderate volumes with a Strat, a driven Channel 2 (Volume around 8, Master around 2) seems a little flat sounding. At this level, the pre-amps are distorting with little contribution from the power tubes. Don’t get me wrong: It’s not bad sounding, it’s just a bit uninspiring. But turn the master up so that the second gain stage starts clipping and the power tubes start getting hit, and the world is made right again. I did, however, find a couple of workarounds to this. The first was easy: Just engage my Tube Screamer to add to the grind produced by the pre-amps at lower volumes; instant sweetness. Also, slamming the front-end with input gain from my booster worked wonders as well. The best solution I found that will also engage the power tubes was to use my Dr. Z Air Brake Attenuator. The world definitely became right with that in the signal path.

Versatility

The RoxBox is very versatile and is comfortable on both the stage n in the studio. I really dig the master volume on this because that’s really what makes this amp so versatile. And one feature that is mentioned in the specs but something I’ve found incredibly useful is that the amp is switchable from 18 Watts to 9 Watts with the flick of a toggle switch underneath the amp chassis. For home studio use, this is a godsend as the lower wattage allows the tubes to saturate earlier, which means you can get grind at lower volume levels. Some people think this means lower volume – it doesn’t – for any variable wattage amp. All it means is that the amp breaks up earlier. But having this capability means that you can gig with it at 18 Watts, then bring it into your home studio and get some great tube distortion without keeping the neighbors up late at night while you’re wailing on your guitar.

Also, as opposed to having a single output jack for external speakers, the RoxBox sports three, for 4, 8, and 16 ohm extension cabs.

Overall Comments

This is an amp that I’ll definitely be considering to add to my arsenal because of its tonal similarity to the classic Vox AC15, plus its gorgeous and plentiful clean headroom in Channel 1, but also for its value. At $995 for the combo the tonal versatility you get for the price is well worth the expense. If I had a nit, it would be the same nit I have with the Reason SM25, and that is the absence of a nice spring reverb. But that is just a nit because both amps sound great without it – it would just be icing on the cake.

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