Atma-SphereMA-1 Mk. 3.3 Mono Tube Power AmplifierusedAtma-Sphere MA-1 Mk. 3.3 Mono Tube Power Amplifier MA-1MKIII Rev. 3; Pair (13552)Product: Atma-Sphere MA-1 Mk. 3.3 Mono Tube Power Amplifier; MA-1MKIII Rev. 3; PairProduct SKU: 13552Serial Number: 902Voltage: 117VCosmetic Description: 9/10 Excellent condition with no notable bl...10704.00

Atma-Sphere MA-1 Mk. 3.3 Mono Tube Power Amplifier MA-1MKIII Rev. 3; Pair (13552) [Expired]


no longer for sale


Product: Atma-Sphere MA-1 Mk. 3.3 Mono Tube Power Amplifier; MA-1MKIII Rev. 3; Pair

Product SKU: 13552

Serial Number: 902

Voltage: 117V

Cosmetic Description: 9/10 Excellent condition with no notable blemishes

What is Included: One pair of amplifiers, 28 Shuguang 6N13PJ tubes, 10 6SN7GT tubes, Power cables, Factory packaging

Functional Notes: Operational condition of this item is excellent, fully tested and no issues found.

Age: Less than 1 year

# of Owners: 1

Tobacco Exposure: No

Service History: None

MSRP: $18,200

Other Notes: Latest version of the MA-1 monoblock amps from Atmasphere.

"Recipient of The Absolute Sound's prestigious "Golden Ear Award" in 2000, the MA-1 enjoys an enviable reputation. Now the Mk. 3.3 series builds on proven technology. An improved output section and enhanced driver circuit contribute to superior low-level detail, smoother sound, wider bandwidth and AC power immunity. The rugged, non-magnetic chassis features classic looks with superior layout. Setup of the amplifier is simple with it's automatic biasing system. The controls and switches are ergonomic without sacrificing performance. The MA-1 is extraordinary in every way. Not only is normal operation easy on the vacuum tubes, the effect of a tube failure on the unit is entirely inconsequential. Despite its extreme performance, the MA-1 is known for remarkable ease of setup, ease of operation, day-to-day consistency and of course extreme musicality."

Product Specifications

Shipping: Cost to ship this item within the contiguous United States is a flat rate of $135- including packaging and insurance. For all other locations including Hawaii, Puerto Rico and Alaska, please request a quote prior to purchase. Items with factory packaging will be double boxed. When factory packaging not available re-usable shipping box with custom injected-foam mold will be used. (for all items over 10 lbs). Note that all items valued over $500 will require a signature upon delivery.

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