Mark Levinson No. 29 Dual Mono Amplifier - 50W of Glorious Class A

Good
$2,799
+$59Shipping
As low as $91/month with
This seller is open to offers
Shipped From
SkyFi Audio
Glen Rock, NJ, United States
18
Sales
40+
Joined Reverb
2018
Preferred Seller
Quick Shipper
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About This Listing

Might be the best sounding early amp from Mark Levinson due to its low output Class A design that's still being used today in many amplifiers - despite the advances of Class D.

The chassis and covers are near perfect (see photos). The handles have a few scuffs but nothing terrible.

Tested and working perfectly!

Yes it's priced like the day it left the factory in 1991 - and well worth it for a collector or ardent audiophile.

Specifications

Rated power: 50W minimum continuous sine wave power into 8Ω, with both channels driven from 20Hz to 20KHz with no more than 0.1% THD (FTC). 100W minimum continuous sine wave power into 4Ω with both channels driven from 20Hz to 20KHz with no more than 0.2% THD (FTC).

Peak output voltage: 30 volts @ rated line voltage @ 8Ω

Frequency response: (-3dB) 4Hz, 122KHz

Input impedance: 50KΩ shunted by 1.5nF

Voltage gain: 26dB

Power consumption: Typically 100W @ idle, 200W @ rated power, 8Ω

Overall dimensions: See "Dimensions" in Owner's Manual

Shipping weight: 39.25 lbs. (17.8kg)

Connector complement:
Two RCA-type connectors
Two XLR-type connectors
Eight five-way binding posts
One IEC mains connector

The SkyFi Testing Process for Amplifiers (Solid State):

We start with a visual inspection of all internal components to make sure there are no signs of stress or aging. Capacitors are checked for telltale sings of bulging or leaking, resistors are checked for signs of overheating or cracking, and transistors are checked for signs of stress or damage.

We then power up the unit carefully and run a simple 1k sine wave while monitoring the output on an oscilloscope for signs of distortion or noise. Finally, we run the amplifier to its full rated power into the appropriate resistive load provided by our Sencore amplifier tester. If there is an issue, it will usually be noticeable at this point. If everything reads clean, we will often test for THD (Total Harmonic Distortion) measured by our Keithley distortion meter, and compare it against the original manufacturers specifications. The amplifier then remains powered on to "burn in" on our test bench for a few hours to make sure there are no heat related issues. If there are balanced inputs available they will be also be tested.

Final testing involves pushing actual music thorough the amplifier. We've learned over time that some issues are only noticeable to a trained ear while listening to familiar source material. Our test bench has reference vintage KEF speakers that we're very familiar with which quickly reveal any discrepancies. Some amplifiers will then move into our listening room where they are tested with our in-house reference speakers of choice.

Please for detailed specifics regarding our specialized packing process that separates us from the rest.

Item

Included

Original Box

No

Manual

Online

Remote

N/A

Cables

Yes - Power

Physical Condition

7

Working Condition

10

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.

Product Specs

Listed10 months ago
ConditionGood (Used)
Good condition items function properly but may exhibit some wear and tear.learn more
Brand
Model
Categories
Made In
  • United States

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