Acoustic Image S4 Coda SERIES 4 Combo Amplifiers at Gollihur Music - Double Bass, Upright Bass, String Bass Specialists

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Amplifiers & Speakers: Combo Amps

Acoustic Image S4 Coda SERIES 4 Combo Amplifiers

Manufactured by: Acoustic Image

Continental US - larger items may carry a partial shipping charge to AK, HI and PR

Choices starting at $1,199.00 (click on arrow next to Add To Cart button)

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14 Day Trial Period on Series 4 Acoustic Image amps and speaker cabinets

New owners have a fourteen day trial period during which they may return the amp in new condition -- NO QUESTIONS ASKED! -- for a full refund, minus our outgoing shipping cost and a small transaction fee to cover credit card processing. Returns must be preauthorized; a restocking fee applies if the unit is not returned in new condition.

The S4 Coda is the newest version of the Acoustic Image small-format combo; it replaces all of the Series III Contra and Coda models, and is available with either one or two identical input channels. All models include built-in digital effects. It includes the Cabrio Docking System, which allows you to remove the Clarus head from the combo and use each component separately!

AI was on my personal Bass Radar in the late 90's, when I first saw some buzz about this new down-firing bass amp. My first Acoustic Image combo arrived in 1999, and I took it to the NAMM 2000 show in Los Angeles, to demonstrate K&K Sound upright bass pickups in their booth. At one point guitarists Dieter of K&K and borrowed it, to see how his acoustic guitar pickups sounded through it.

It took me six hours to wrestle it back from them. The amp was that good. And now, after lots of improvements and updates over the years, it's even better.

These combo amps were a real breakthrough when first developed by Dr. Rick Jones, a bass player (check out his CD at right for firm cred) as well as founder, and President of Acoustic Image, and they continue to get better with each generation.

The design and performance of the Acoustic Image Coda is quite revolutionary. The lowest bass frequencies are omnidirectional, and we all know our acoustic instruments do not radiate only in one direction — their sound moves about the room. The ten inch down-firing woofer in the Acoustic Image combos spreads that sound around naturally, as our ears might expect. But that's only one of the differences between it and other amps, and there is still plenty of definition, and it's not as annoyingly directional as so many other amps.

These combos have a complement of drivers that results in a full range speaker cabinet. In addition to the woofer, you'll find a five inch cone mid/high driver. Plug your MP3 player in and be amazed at the result! Nice tight bass, real, uncolored sound.

The other key ingredient in Acoustic Image gear is the electronics. They have been designed to deliver the natural sound of your instrument, no artificial flavorings or colors. Please answer this question... do you want to hear your instrument or the amp??

Me, too. My specifications for an ideal sound is for a pickup/mic and amp to simply make my bass sound bigger.

More Power!! (please insert your own Tim Allen Home Improvement TV show grunts) Yes, it can put out up to 600 watts (at 4 ohms). That said, the combos are not rock and roll amps — it's not going to compete with your 4x10! Yes, it can get quite loud, but the wattage is there to ensure smooth, clean response. Bass frequencies take a great deal more energy to produce that high frequencies, and the somewhat percussive nature of upright bass can be very demanding. The wattage is there so the energy is available to cleanly handle those peaks and percussive plucks, rather than that "squashed" sort of attack many bass amps often deliver when they hit the wall.

About the 2-way cabinet (didn't AI Combos used to have a tweeter?)
Note: in late 2010, the Acoustic Image combos and speaker cabinets evolved from a three-way (Woofer + Midrange + Tweeter) speaker array to a two-way (Woofer + Mid/High Driver) arrangement. The original tweeter was crossed-over at such a high frequency that some folks couldn't even hear the difference when it was on or off! The new arrangement actually has several benefits:

The new proprietary extended range driver, exclusive to Acoustic Image, is smoother and more detailed than the previously used midrange and tweeter combination
Using fewer speakers to cover the full frequency range reduces phasing and amplitude anomalies caused by crossovers in multi-speaker systems (translation: all things being equal, two-way systems are better than three-way)
The new 5" driver has higher power handling, providing a bit more perceived volume and definition when needed
The new driver uses a neodymium magnet; which, when combined with the eliminated tweeter, reduces the weight of the combos by nearly two pounds

What about electric bass?? I have taken my small AI combo out with my five string (low B) fretless electric bass on rather enthusiastic gigs with a drummer. It does a wonderful job, but these are at moderate volumes and I'm not competing with a Fender Twin. One can get overexcited when reading "600 watts" — reality has to intervene, as it is a 10" speaker-based combo. However, I've also taken the head out on electric bass/classic rock gigs, driving a pair of Euphonic Audio Wizzy 10 cabs. It's a formidible yet very light and portable combination; lots of players gig Acoustic Image Clarus heads along with a more conventional and efficient speaker cabinet. The heads are designed for flat and natural response - again, hear your instrument, not the amp.

What you get is flat frequency response across the spectrum, extended, tight, well-controlled natural bass sound, and omnidirectional output below 800 Hz (so you can be heard, without monitors, all over the bandstand) — all in a package that's about foot tall and less than 20 pounds in weight! In fact, the amp virtually disappears on stage leaving behind the natural sound of the bass - it's like having another double bass on stage along with you! I use Acoustic Image gear for most all of my URB and EUB gigs — what wins me over is, when teamed with a good pickup or mic, the amp tends to make my bass sound bigger rather than giving it a separate electric voice. — Bob

Features have been designed into the newest Coda model to add flexibility for various playing situations. These include -- on each channel -- a parallel effects loop with a return level control, a selectable high pass filter for feedback or “boominess” elimination (see explanation in features list below). Both channels (if equipped) have access to the digital effects section. You also get a balanced direct out with ground lift to allow connection to a mixing board for PA augmentation or recording. A built-in "kickstand" mechanism allows the cabinet to be tilted to better direct sound to the player’s listening position. For larger venues, the Coda EX (Series 4) extension cabinet is an ideal match.

Included with all of the combo and extension speaker (EX) models is a lightweight "dust cover" with shoulder strap and accessory pocket.

Made of lightweight vinyl, it covers the top and sides of the cabinet, with openings to allow access to the amplifier's integrated handles. It also comes with a carry strap which loops through the openings and the amp handles, allowing you to "shoulder" the amp. The cover is handy - it even has a small pocket for cables, tuners, and other small gigging accessories. But don't expect it to substitute for a case, as it offers only minimal "protection" from slight bumps and other minor hazards. If your gigging needs require something a little more protective, we have other options available separately. Check out the optional padded Mooradian case in the Related Products, below.

The photo at left shows it with the cover on and carry strap ready for transporting. A zippered pouch is provided to carry the power cable and other small items, shown in the photo to the right (without the carry strap). This light-duty cover will not shield the unit from rain, and it does not cover the bottom of the cabinet.

Features: (as of 9/2011 - subject to updates as new details are made available)

Two-way Sealed Speaker System
- 10" Long-throw Low-frequency Woofer
- 5" Mid/High-frequency Driver
600-Watt "Digital" Power Amplifier clean power!
- 600w @4 ohms
- Internal speaker is 8 ohms
One or Two channels for any mix of instruments and microphones using 1/4" or XLR inputs
Input and Master Level Controls for each channel
Mute Switch
Three Band EQ (each channel):
- Bass Control: Shelving type, ±15 dB @ 60 Hz
- Mid Control: ±15 dB @ 650 kHz
- Treble Control: Shelving type, ±15 dB @ 10 kHz
Phase Invert Switch (per channel)
Switchable Low Cut (High Pass) Filter
- Notch Filter: -12 dB sweepable from 30 to 700 Hz
  Notch Control lets you reduce the volume of a single
  frequency to help fight a feedback or resonance problem
- High Pass Filter: -12 dB/octave sweepable from 30 to 700 Hz
  The High Pass filter lets you reduce the response below a frequency
  of your choice, to fight the mud on boomy stages and in similar situations
Built-in Digital Effects
- 3 Reverbs (Hall, Room, Plate)
- Delay
- Ambient Chorus
- Flange
- Separate Digital Effects in/out buttons for each channel

Cabrio Docking System allows you to separate the amp and speaker components for separate use!
Combination Jacks allow the use of a 1/4" or XLR input; input impedances are 1 megohm or 600 ohms based on jack chosen, separately buffered
Separate Effects Loops via 1/4" phone jacks with Return Level Control for each channel
Balanced XLR Line Output with Ground Lift
PRE- or POST-effects switch XLR output
Stereo Option: Channel 2 button allows you remove the second channel from this amp, to route it to second amplifier, for stereo use.
AC Power On/Off switch with LED Indicator
External Speaker Output (Neutrik Speakon), internal speaker is wired directly to the amplifier
Detachable AC Input Connector with Built-in Fuse
Dual voltage operation (115v/230v, 50/60 Hz) via external switch (comes with USA Cable; to use in other countries, you can source an IEC-C13 AC Cable, also commonly used for computer power supplies.)

Physical:

Lightweight- less than 20 lbs! with Durable Molded Enclosure
12" H x 15" W x 13" D
Molded Carry Handles
Dust cover with cable pocket and shoulder strap included
FIVE YEAR WARRANTY

Is the Clarus the Ultimate Back-up Amplifier???
(The removable head in this combo amp is exactly the same, feature-wise, as the Clarus)

These days I actually gig electric bass more than upright (hey, the market dictates what pays, not taste, and I'm sure we both could name some artists that evidence that fact!), and I've been enjoying gigging with the Random Act of Blues this summer of 2011. Anyway, I was auditioning a new bass head that I didn't completely trust, so rather than lug my heavy rack case on this particularly hot day, I stuck a Clarus in one of our Gollihur Gig Bags just in case.

As it turned out, the guitarist's Marshall head died after the first song! I grabbed the Clarus as a temporary replacement; ok, it wasn't a Marshall but he plugged his pedalboard output into it, and it got him through the rest of the set. Thanks to this experience, it occurred to me that the Clarus may be the perfect "backup" amp! Think about it:

It is very compact and less than 5 lbs. -- so it's hardly any trouble to carry
It has plenty of power to cover bass guitar or URB requirements
The Clarus has effects on-board for guitar
The 2-channel model has two separate channels with EQ, so along with reverb or delay, so it can act a little PA or keyboard head
With its high-pass filter and EQ controls, it can make a solid stage monitor amp

How cool is that?!?

Important note concerning orders for Japan:
Acoustic Image units are equipped with switchable power supplies for 120 and 240 volts. The units we sell are not configured for the 100v standard in Japan. If you are interested in using an Acoustic Image amplifier in Japan, units specially designed for that voltage standard are available from Acoustic Image dealers in Japan.

Not 100% Sure? New owners have a fourteen-day trial period during which they may return the amp, in like new condition, for a full refund less actual shipping cost.

This item is made in USA! Click for more

Choices starting at $1,199.00 (click on arrow next to Add To Cart button)