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SOLD - DEALER AD: Cyrus MONO X 300 Power Amplifiers, Brand New In Sealed Carton, Free Shipping in Canada, No CC upchar

Item #649254342
Info: Cyrus MONO X 300 Power Amplifiers, Brand New In Sealed Carton, Free Shipping in Canada, No CC upchar

Asking Price:
CAD $3950.00
Retail Price: CAD $8800.00
Payment method: Cash, Visa, Mastercard, Paypal, Money Wire, Interac/EMT
Shipping weight: 15.00 (kg) Calculate Shipping
Condition: 11 - New (?)
Date Posted: Jan 01, 18 2:35pm (PST)
Edited: Jan 27, 18 6:52pm
About Seller: Europroducts Marketing, Ltd.
europroducts is a dealer or commercial user
New Westminster, BC
[other classified ads]
Product Brand: Cyrus
Product Model: Mono X 300
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Famous 30 year old brand name combined with "Made in UK" quality and value for less than the price of an unknown brand produced in a third world country, what's not to like?

PLEASE NOTE: These are being sold in pairs only.

From WHAT HI*FI? (UK):

Cyrus has a problem at the top end of the market.

As individual and unusual as the company’s long-running die-cast chassis is, it’s also small, light and plain – none of which appeal to a typical high-end buyer.

It’s understandable: you want to feel like you’ve got your money’s worth, and the best way of doing this is to make it big, heavy and expensively finished.

Using similar casework makes sense for brand and cost reasons, but it means the build of this £2550 monobloc seems no better than that of Cyrus’s £925 6XP integrated amp. Listen to it, though, and you’re in for a treat.

The Mono X 300 is the latest generation of the company’s top-end monobloc power amplifier.

While previous versions had been limited to 150W (into 8 ohms) output, this version increases that to 235W – deeply impressive for something so small that still using conventional linear power supplies and analogue circuitry.

The Mono X 300’s zero global feedback internals are a bit special.

Put simply, whatever happens at the output doesn’t affect the input, as it would in any traditional design. It’s a tricky circuit to create, and it gives this monobloc a combination of talents we rarely hear.

Scale and authority. Let’s get the negatives out of the way. If you value scale and authority above all else, you can do better. It’s not that the Mono X 300 is poor in these areas – its pretty good – but better can be bought for similar money.

However, when it comes to detail, transparency and agility, we think this new Mono is king at the price.

It’s massively revealing, uncovering fine detail where most rivals gloss things over, and organises every little bit with a stability that’s hard to better.

Whether you’re a fan of dense material like Mahler’s Symphony No. 10 or something simpler like Sam Cooke’s A Change is Gonna Come, the Mono X 300 takes it all in stride.

Alongside the muscle you could want, there’s a degree of subtlety you wouldn’t expect.

It’s organic without displaying even the tiniest degree of excess warmth. And that’s to say nothing of the class-leading speed and dynamic ability.

The Mono X 300 is a superstar here. Don’t buy another £5000 power amp until you hear this one. It’s that good.

Read more at http://www.whathifi.com/cyrus/mono-x-300/review#xvGksYAf8xEb5QRW.99

Mono X 300
Product Overview
The Mono X 300 is a massively powerful amplifier, yet it is still housed inside just one aluminium die-cast chassis. Incredibly, it is able to drive over 300 Watts into real world speaker loads!

Further Information
The most powerful amplifier created by Cyrus
Outputs over 300 Watts with outstanding control and dynamics
Zero Feedback circuit design eliminates unnecessary circuit paths for wide open imaging and pitch black background noise
Home automation control via RS232 and 12v Triggers for truly flexible installation options
Reference sound quality has been achieved through the last 7 years of product evolution and R&D research
Zero Feedback technology offers some very attractive sonic benefits. Two key benefits of this technology are:

1. The design allows the key stages in our amplifier to work independently without the hindrance of global feedback. In a traditional amplifier the corrective actions necessary in the output stage to drive a loudspeaker are fed through the entire amplifier, disturbing unnecessarily the input and voltage amplifier stages. To put this another way, it allows the first stage of the amplifier to operate without the unwelcome influence of the latter, separate voltage and current stages. Zero Feedback amplifiers are only possible when one understands how to prevent distortion in the first place. They require very advanced circuit topology and close tolerance components. Like our SE CD players, we want to deliver the best performance at source as this is the place where we will most improve the sound.

2. Cyrus Zero Feedback amplifiers are able to create an uncanny sonic blackness onto which we paint our musical image. They can achieve this because as the output level reduces to lower levels, where the ear becomes most sensitive to these effects, the distortion produced by the new Mono X models falls below measurable limits. The result is an exceptional musical performance.

A striking visual feature of any Cyrus system is the aesthetic lines of the half width chassis. Created by pressure die-casting aluminium, the beauty of this monolithic classic is more than skin deep.

The hand finished casework is an integral part of the products’ sound. Cyrus has invested in sophisticated die-cast tooling to create an electronically shielded and mechanically vibration free environment for the sensitive audio circuits which are hung inside the inverted chassis.

Microphonic interference can occur when certain components transform mechanical vibration into unwanted electrical noise if the chassis is excited. The Cyrus chassis has been designed to provide an enclosure that is immune from a wide range of frequencies.

Inside a common steel chassis, components such as transformers radiate electromagnetic fields which induce unwanted electric currents and secondary magnetic fields within the ferrous box, thereby adversely affecting other components in the same enclosure. In the Cyrus die-cast chassis our choice of non-ferrous aluminium means this effect is avoided.

The Cyrus chassis:

*A solid foundation used to build all classic models.

*Die-cast by injecting molten aluminium under extreme pressure gives a dense rigid case to build upon.

*The non-magnetic, thermally efficient construction gives a stable mechanical and electrical platform.

*Components are suspended upside down from the casting greatly reducing any vibration issues.

*Manufactured in Sweden - each casting is individually hand finished before painting in England.

*Versatile, bespoke design gives a uniquely recognisable Cyrus footprint.

The benefit of using the same chassis structure across all products is a level of consistency in performance. It also allows customers with older units to have the internals upgraded/updated to the latest design without the trouble and expense of selling the entire system and starting again.

This upgradeable design concept has been created by Cyrus to provide the widest possible choice and the longest useful life for our products. We want to help you to build a better music experience from the outset.

Technical Information

Enclosure: Cyrus Inverted die-cast chassis
Material: Lightweight non-magnetic alloy


RCA phono or XLR balanced
12V Trigger

Bi-wire Loudspeakers (4mm banana jacks)
RCA Chain out

Power Supply:
Custom wound 305VA Toroidal transformer

MC-BUSTM System Bus

Continuous Power: 235W (into 8 Ohms), 365W (into 4 Ohms)
Burst Peak Power: >2000W
Distortion: <0.004%, (1kHz into 8 Ohms)
Frequency Response: -3 dB at 0.5Hz and 300kHz
Slew rate: 700V/S (filters bypassed)
Max output Current: 100 Amps peak to peak
Sensitivity (RCA input): 380mV (for 50W into 8 Ohms)
Sensitivity (RCA input): 890mV (for 225W into 8 Ohms)
Sensitivity (BAL input): 775mV (for 50W into 8 Ohms)
Sensitivity (BAL input): 1.78V (for 225W into 8 Ohms)
Input impedance: 47kΩ (RCA), 20kΩ (BAL)
Chain Output voltage: 660mV (for 660mV RCA or 1.3V BAL input)
S/N ratio: 116dBA
Dimensions (H x W x D): 73 x 215 x 360 (mm), 2.8 x 8.4 x14.1 (inches)
Weight: 6.4kg
Finish: Quartz Silver only.

All brand new in sealed cartons with full warranty.

Free insured shipping in Canada.

No upcharge for credit card or PayPal.

MSRP CAD$4,400/ea Clearance price CAD$3,950.00/pr + Tax (per your shipping address/province).

Pay By Interac e-Transfer and get a 3% discount before tax.

For purchase outside of Canada, please contact us for a freight quote.


AC cable, manual.


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