ATMA-SPHEREM-60 MK 3.2 STEREO AMPLIFIERATMA-SPHERE M-60 MK 3.2 STEREO AMPLIFIER MONO BLOCK AMPSATMA-SPHERE M60 MKIII VACUUM TUBE MONO AMPSMADE IN USAFor years now the M-60 in its various forms has been the subject of the Soundstage!.com Hall of Fame Award, The Absolute Sound Golden Ear Award...6990.00

ATMA-SPHERE M-60 MK 3.2 STEREO AMPLIFIER MONO BLOCK AMPS

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ATMA-SPHERE
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Asking Price: $6,990.00

New Retail Price: $6,990.00

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Ships fromScottsdale, AZ, 85258
Ships toUnited States
Package dimensionsunspecified
Shipping carrierunspecified
Shipping costFree
Original accessoriesBox, Manual
Agon-miniAverage Research Pricing

ATMA-SPHERE M60 MKIII VACUUM TUBE MONO AMPS



MADE IN USA

For years now the M-60 in its various forms has been the subject of the Soundstage!.com Hall of Fame Award, The Absolute Sound Golden Ear Award and Editor’s Choice, with numerous accolades in the press and on the web. 

6 MONTHS SAME AS CASH FINANCING AVAILABLE ! 

0% APR - 1-2-3 YEARS SAME AS CASH ALSO AVAILABLE! 0% APR NO FINANCE CHARGES

COME VISIT OUR WORLD CLASS SHOWROOM IN SCOTTSDALE ARIZONA

We assure our clients of our continued commitment to full satisfaction and delight.

Open 7 days, 10am to 8pm Ocean West


USA Tube Audio - Since 1976 
Please call 1-800-676-1085 Sales Ext 2 - USA + Canada 
1-323-657-5993 International 
52-55-8525-6102 Mexico 

www.usatubeaudio.com


USA TUBE AUDIO CAN OFFER ATMA-SPHERE PRODUCTS IN TERRITORIES WHERE THERE IS NOT  A LOCAL ATMA-SPHERE DEALER - USA TUBE AUDIO RESPECTS ATMA-SPHERE DEALER TERRITORIES 

ATMA-SPHERE M-60 - THE FINEST TUBE AMPLIFIER AT ANY PRICE! 
A fast tight bass, warm fluid mids, super smooth highs. Very three dimensional, holographic. Very Musical.

The M-60 Mk. 3.2 continues that tradition with classic styling and its award-winning state-of-the-art performance. The M-60 gives you the features and precision performance of our larger models in a beautiful, 60-watt package. The amp operates class A and is unconditionally stable with reliability proven over many years. The power tubes are inexpensive, readily available and do not require any matching. Now sporting a classic, open-chassis construction, the M-60 Mk. 3.2 sets the bar for hi-end amplifier performance.


• Balanced Differential Design®

• Class-A operation

• Patented Circlotronic® direct-coupled (OTL) output stage

• Automatic bias - no adjustment needed

• Built in VU meter for tube and output monitoring

• Easily monostrapped for greatly increased power

• Standby switch for long output tube life

• Uses only one gain stage for simplicity and clarity of sound

• Proprietary precision components used throughout

• Low-noise "star" grounding topology

• Fully hand-wired point-to-point electronics - no circuit boards!

• Stable with all input and load conditions

• Exclusively uses Octal-Triode based vacuum tubes


SPECIFICATIONS

Output Power

60 watts per channel into 8 Ω load

45 watts per channel into 4 Ω load

80 watts per channel into 16 Ω load 

Impedance

Input Impedance: 100 KΩ single-ended, 200 KΩ balanced 

Output Impedance: ~4.1 Ω 

Input

3 V sensitivity ( for full output ) 

RCA and XLR true balanced input 

Tube complement

( per channel ) 8 x 6AS7G output tube 

4 x 6SN7 driver tube 

Gain

20dB ( for 8 Ω ) 

Power Bandwidth

2Hz-75KHz within ½ dB 

Frequency response

( 1 watt, open loop ) 20 Hz squarewave Tilt; unmeasureable 

1Hz-200KHz within 3 dB

Distortion

Total Harmonic Distortion ( THD ) typically under 1% 

Intermodulation ( IM ) distortion typically under .04% at full power 

Phase shift less than 1° @ 20KHz 

Output section risetime

600 V/µs 

Feedback

1 dB

Power Supply storage

( per channel ) 140 Joules 

Dimensions

( per chassis ) 13" deep x 17" wide x 8" tall ( 33 x 43 x 20 cm ) 

Warranty

Three year general coverage 



6 MONTHS SAME AS CASH FINANCING AVAILABLE ! 

0% APR - 1-2-3 YEARS SAME AS CASH ALSO AVAILABLE! 0% APR NO FINANCE CHARGES

COME VISIT OUR WORLD CLASS SHOWROOM IN SCOTTSDALE ARIZONA

We assure our clients of our continued commitment to full satisfaction and delight.

Open 7 days, 10am to 8pm Ocean West

USA Tube Audio - Since 1976 
Please call 1-800-676-1085 Sales Ext 2 - USA + Canada 
1-323-657-5993 International 
52-55-8525-6102 Mexico 

www.usatubeaudio.com


USA TUBE AUDIO CAN OFFER ATMA-SPHERE PRODUCTS IN TERRITORIES WHERE THERE IS NOT  A LOCAL ATMA-SPHERE DEALER - USA TUBE AUDIO RESPECTS ATMA-SPHERE DEALER TERRITORIES 

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