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Pass Labs XA30.5 Power Amplifier

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Original price $5,500.00 (44% Off Est. Retail)
Original price From $3,099.00
Original price $5,500.00 (44% Off Est. Retail)
Current price $3,099.00
From $3,099.00
Current price $3,099.00

+$135.00 Shipping to contiguous US.
Tax collected at checkout.

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Product Highlights

Pass Labs XA30.5 Power Amplifier delivers 30 watts per channel into 8 ohms, 60 watts per channel into 4 ohms, and 20 amps of peak output current. Engineered by Nelson Pass, this pure Class A stereo amplifier pairs patented Supersymmetry topology with matched complementary MOSFET output stages to preserve delicate musical nuance. Generous power supply reserves enable effortless high-current delivery on dynamic peaks, while balanced XLR and single-ended RCA inputs simplify system integration. Built with substantial side heatsinks and an illuminated front-panel bias meter, it drives diverse loudspeakers with composure.

Critics and audiophiles consistently praise this model for uniting tube-like harmonic richness with solid-state authority. Reviewers highlight its liquid midrange warmth, expansive soundstage layering, and lifelike microdynamic detail, especially via balanced inputs. Owners agree it punches well above its wattage rating with tight, articulate bass control. Beyond sonics, its tank-like build and dependable long-term reliability—running warmly as intended for Class A—have cemented its reputation as a modern classic and the quintessential gateway into Pass Labs amplification.

Listeners seeking an emotionally engaging connection to their music without sacrificing grip or clarity will find a rare musical balance that rewards extended sessions. Bringing pure Class A refinement to familiar recordings, the XA30.5 serves as an enduring centerpiece for any serious two-channel system.
Brand Pass Labs
Type Power Amplifiers
Component Color Silver
MSRP $5,500.00
SKU # 102298
Serial # 23820
Cosmetic Rating

8 - Very good condition with minimal visible cosmetic wear including a minor nick on one area of the heat sink. This is not visible from listening position and does not impact the functionality or sound of the amplifier making it a great addition to any setup.

Functional Notes

The iconic round meter on the front of a Pass Labs Class A amplifier is driven by an independent secondary circuit. It acts as a visual monitor of the bias current flowing through the output stage, but audio signals do not pass through the meter. If the physical needle is resting slightly off-center (whether completely powered down or idling), it means the mechanical zero-point of the physical meter wand or its independent driver circuit has drifted over the last 14 years. The actual internal bias architecture of the amplifier channels remains perfectly intact and unaffected.

Age 13 years
Owners 1
Service History None

Amplifier, Manual, Power cable, Factory packaging

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Pass Labs XA30.5 Power Amplifier
Pass Labs XA30.5 Power Amplifier