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  • MA-2.2 
microphone amplifier (stock photo)

Buzz Audio MA2.2TX Ex-Demo

$2,750.00 $1,750.00
(You save $1,000.00)
Demo Unit. Final Sale. Usually ships in 1-2 days
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Product Description


Ex-demo, excellent condition. This unit comes with the Sowter transformer upgrade. This unit has had very light use, air conditioned studio environment, some very minor rack rash visible from back of ears and top front of unit, NOT VISIBLE WHEN RACKED, manual available online, unit comes with 2 year factory warranty to the buyer. Please ask if you have any questions about the unit. The regular new price for this piece would be $2750.00. Price on this ex-demo unit is $1750.  Photo is a stock photo, we can provide photos of the actual unit upon request.




About the MA-2.2 
microphone amplifier

design features

A truly magical sounding microphone preamplifier which proves that clean does not need to sound clinical.

buzz audio heritage

Designed to provide transparent amplification to reveal the true source, they do not come any better than this. If you wish to record your sounds with the utmost warmth and clarity possible, you have found the tool for the job. And it's not just us blowing our trumpet here, it's what hundreds of users have told us over the years since the MA-2.2's first introduction.

audio path quality

The circuitry used in the MA-2.2 preamp was developed by Tim Farrant in the 1990's and was dubbed "True Class A". The resulting BE40 series of amplifiers exhibit very wide frequency response (into the mega-hertz ) and ultra fast slew rates (140V/uS) even at 60dB of gain. These attributes, plus the inherently low distortion provide the exceptionally pure top end sound of the MA-2.2. In additon, the over engineered power supply design with localized Class A regulators for each amplifier stage supplies the grunt needed for an authoritive and accurate bottom end.

applications galore

As many of our users have discovered, the MA-2.2 sounds amazingly vibrant when recording acoustic guitar and percussion. It is equally at home on vocal duties and you will also be very surprised how good a kick drum can sound using this preamp. One could say, there is not much this preamp cannot record well! The transformer-less low reactance input stage with a Wima capacitor stack matches well with all microphones types and the noise specification is within 0.5dB of the theoretical minimum possible, so ribbon and dynamic mics' are no problem for this preamp.


controls and functions

POLARITY REV - this switch changes the polarity (phase) of the input.
0dB/-20dB - this switch introduces a 20dB pad right at the mic input for high level signals.
PK - this red led will light up when the QSP output level reaches +22dBu.
GAIN - 41 position detented pot that sets gain between +16 to +65dB.
MUTE - mutes the MA-2.2 output while you change mic positions. 48V - locking toggle switch turns the phantom power on and off.
HI Z/LO Z - selects the input impedance as seen by the microphone which can change the overall tone.
There is also a handy power ON/OFF switch and associated power led.

Warranty Information

standard product warranty

Buzz Audio guarantees the Product to be free of defective materials and/or workmanship for a period of 1 year (12 months) from the date of sale, and will replace defective parts and repair malfunctioning Products under this warranty when the defect occurs under normal installation and use - provided the unit is returned to our factory (or duly authorised service centre) via prepaid transportation with a copy of the proof of purchase, ie, sales receipt. This warranty provides that examination of the returned Product must indicate, in our judgement, a manufacturing defect. This warranty does not extend to any Product that has been subjected to misuse, neglect, accident, improper installation, or where the date code has been removed or defaced. The standard warranty is not transferable to a new owner should the Product change hands during the 1 year period.

product warranty extension

The Standard Product Warranty may be extended to a period of 2 years (24 months) from date of sale provided the Product is registered with us within 4 weeks (28 days) from the purchase date. The extended warranty is transferable to a new owner should the product change hands within the 2 year period.

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