Pete McGregor Music



Pete McGregor Music
New Zealand's only
specialist
double bass shop

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Entertainment Agents

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Acoustic Image Corus
2 channel intergrated 400 watt amplifier speaker combo with built in reverb effects
suitable for use with guitar, keyboards, violin
RUN OUT MODEL

Corus
corus

The Acoustic Image Corus
What is Corus? What’s different about it?
Corus is, essentially, a Series III Coda 2 combo with a different crossover and woofer selected to trade off bass extension below 60 Hz for greater volume and mid-range projection. The fundamental AI sound is unchanged, but Corus is optimized to achieve a sound many guitar players like — and have achieved until now by marrying a Clarus or Focus to a non-AI speaker cabinet. With Corus, these same players have the sound they want, the on-the-gig convenience of a combo, and the ability to be heard more forcefully out-front as well as all over the bandstand.

What has been the reaction from players who have tried Corus?
Corus has been received very positively by prominent guitarists who have tested prototypes. We are just now getting combos into the hands of top players who have requested one. To cite one, well known guitar maker John Buscarino already has his and loves it and is recommending it to all of his customers.

Aren’t Contra and Coda a good fit with guitar? What about Clarus and Focus?
Contra and Coda are true full-range combos and we have many customers who love their sound with guitar. Also, we anticipate that many guitarists will continue to purchase our heads for use with other cabs. In both cases, it’s a matter of individual taste. However, we think Corus will be the best overall solution — in sound and portability — for most guitar players.

If Corus is louder, is there a need for an extension cab?
At 400W into 4 ohms, Corus will play surprisingly loud without distortion and is more than adequate for the vast majority of rooms. And, of course, it offers a direct out to tie into the PA for large venues. But there are times when truly big volume is needed from the amp, in which case, the Corus EX increases both power and coverage dramatically.

Guitarists have also reported that addition of an extension cab takes the Corus sound from transparent to truly holographic (it has to be heard to be believed). In addition, guitarist/vocalists who also use the Corus as a PA may want an extension cab for mid-size venues.

Is Corus designed to work with other instruments?
Yes, while we are calling Corus a guitar amp, it is ideally suited to violin, viola and other strings, as well as wind instruments. Cello and piano are a judgment call. Many will prefer Corus. Others looking for a slightly more laid back presentation and greater low bass response will make Contra or Coda the combo of choice.



A built-in lifter mechanism allows the cabinet to be tilted to better direct sound to the player's listening position
Reviews

Corus: A Combo for Guitar Players (and more)
Acoustic Image have just launched Corus, the first AI combo optimized for guitarists. And the reaction we have had from prominent players who have auditioned it confirms our feeling that this is one exceptional amplifier.

Corus combines a full featured dual-channel Clarus head (long the amp of choice of jazz guitarists) with an enclosure incorporating a special crossover and newly-designed speaker array which trades off some bass extension for greater projected volume.

Corus doesn’t alter our characteristically flat, high fidelity sound, but it does respond to requests from guitar players for an AI combo with a more upfront sonic signature. With the downfiring woofer, sound is still heard all over the bandstand, but with the new crossover and drivers, guitar also cuts better through the mix out front. Check our website for more information about the Corus including FAQs.

By itself, we believe Corus is unsurpassed in reproducing the sound of amplified guitar. But coupled with an AI extension cabinet, it generates a huge soundstage with almost holographic transparency. You really have to hear it to believe it.

We also believe this 20-lb package with the distinctive gray grill will appeal to violin and other string players—and some keyboardists—who are looking for a more forward sound. Because it’s a matter of personal taste and playing style, others will continue to prefer Contra or Coda R. So, for that matter, will some guitar players.

But this much is for certain: Corus is an amp any jazz, folk or other acoustic guitar player should audition.

Corus Features:
Balanced, High Fidelity Sound
Three-Way Sealed Speaker System
10” Downfiring Woofer
5” Midrange Driver
1” Tweeter (with On/Off Switch)
Lightweight (20 lbs) Molded Polymer Enclosure
Three-Band EQ Preamp Section Per Channel
Combo Jack Inputs (Either 1/4 in or XLR)
Phantom Power on XLR Inputs
Input and Master Level Controls
Effects Loop with Return Level Control Per Channel
Digital Effects with 6 Presets and Level Control
Switchable Notch/Low Cut Filter per Channel
Balanced Direct Out with Ground Lift
Mute Switch and Pre/Post EQ for Direct Out
Stereo Capable with External Power Amp
400 Watt Switch Mode Power Amplifier
Switchable Dual Voltage Operation (115/230V)
Comes with a fitted slip cover with cord storage pocket and shoulder strap
Extension Cabinet Available
(Corus EX )
fantastic manufacturer's warranty

INSTRUMENTS:
Acoustic Guitar
Violin Cello
Mandolin
Banjo
Saxophone
Clarinet
Flute
Trumpet
Keyboard


Corus
$2300.00
Delivery free in New Zealand

in stock now
Pricing/shipping / payment / refund policy

INQUIRIES

Technical Specs

System

Frequency Response

30 Hz - 20 kHz, (40-16 kHz ±3 dB)

Max SPL

>112 dB at 1 meter

AC Power

115V/60 Hz or 230V/50 Hz, switchable

Size

14" H x15" Dia

Weight

27 pounds

Preamp (Mic and Instrument Channels)

Mic Input

600 ohm balanced, XLR connector

Phantom Power

38 volts, on/off switch

Instrument Inputs

Low impedance (1 Mohm), High Impedance (10 Mohm), separately buffered

Direct Out

+4 dB, balanced, XLR connector, ground lift

Effects Loop

One per channel with return level control, parallel type

Bass Control

Shelving type, ±15 dB at 60 Hz

Mid Control

±15 dB at 650 Hz

Treble Control

Shelving type, ±15dB at 10 kHz

Brite Control

±15dB at 9 kHz

Notch Filter

-12 dB sweepable from 30 to 700 Hz

High Pass Filter

-12 dB/octave sweepable from 30 to 700 Hz

Reverb

Type

Digital with 8 presets and level control

Reverb Presents

2 Hall (Concert Hall, Arena), 3 Room (Club, Chamber, Garage), 2 Plate (Plate, Vocal) and 1 Spring

Power Amp

Topology

Class D (PWM)

Switching Frequency

280 kHz

Output Power

>200 Watts, >300 Watts with 4 ohm ext. cab.

External Speaker Output

Neutrik Speakon type (pole 1), 4 ohm. min.

Speaker Components

Woofer

10 inch, downfiring

Mid range

5 inch, forward firing

Tweeter

1 inch forward firing with on/off switch

Crossover

Passive, alignment corrected

Available Accessories

Extension speaker (Contra EX Model 410 BE)
hard shell travel case

 

 

The CORUS control panel

The CORUS rear panel
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PETE McGREGOR MUSIC IS THE SOLE NEW ZEALAND DISTRIBUTOR FOR ACOUSTIC IMAGE AMPLIFIERS


Warranty:

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POLICY:
Pricing:
NZ purchase price includes GST

Shipping:
No charge for shipping in NZ
shipping charges to other countries calculated automatically in shopping cart

Unless otherwise requested shipping is by courier post for smaller items or TNT or UPS for large items
Shipments will be sent within 3 working days of order being placed.
If goods are not in stock at time of order you will be notified by email and you not be charged until goods are available.
In all cases there is a tracking system for keeping track of parcels in the system. You will be allocated a track and trace number by email.

Charging:
Your card will be charged the amount including freight shown in shopping cart.
If goods are not in stock at time of order you will be notified by email and you not be charged until goods are available.
In this case a deposit of 15% will be charged to confirm order, then balance on completion of order.
Returns:
should you not be completely satisfied with your purchase please return by insured mail to Pete McGregor Music (address below) for complete refund. Strings must be unopened for refund. Please include original order details with returns for accurate refund.

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Pete McGregor Music - New Zealand's only specialist double bass shop

Pete McGregor Music BassShop
New Zealand's only specialist
double bass shop

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contact
Pete McGregor Music
Bass Shop
visits by appointment
8 Capstan Court
Te Atatu Peninsula
Auckland New Zealand
Ph (09)834.8355
fax (09)834.8356

email us


Authorised New Zealand agents for:
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