ManleyMahiusedManley Mahi  - $2500, Power Amp Monoblocks, Exc. cond.It is with great sadness that I put these up for sale. (Believe me, it's not because of anything *they did, just the exigencies of life.) They are easily the best amplifiers I have ever owned, and ...2500.00

Manley Mahi - $2500, Power Amp Monoblocks, Exc. cond.

Listing ID: lis82gac Classified 
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mijbil 

member since December 2010

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Condition
9/10
Payment methods
Ships fromChicago, IL, 60637
Ships toUnited States
Package dimensions?" × ?" × ?" (20.0 lbs.)
?" × ?" × ?" (20.0 lbs.)
Shipping carrierFedEx
Shipping costFree
Original accessoriesBox, Manual
AverageResearch Pricing

It is with great sadness that I put these up for sale. (Believe me, it's not because of anything *they did, just the exigencies of life.) They are easily the best amplifiers I have ever owned, and I've owned plenty. They sound full and rich with amazing imaging, and the ability to choose between Triode and Ultralinear mode and among 3 levels of variable feedback gives you a very nice ability to customize the sound for your system. All of the tubes were recently changed, Electro Harmonix output tubes, and RCA input types. And I have many backup tubes to include alongside. Upgraded power cables (you need 2 since they are monoblocks) available for a little additional. I will include the feet (discs) I've been using.

Grade B Stereophile Recommended (well they only reviewed the Stingray, but these are basically the same amplifiers as the Manley Stingray integrated power amp split into monoblocks.) These and the Stingray were widely praised and won awards from the hifi press. I can pass some along if you are interested.

Key specs are 50W per channel in UL mode or 25W per channel in Triode mode. I have used them with B&W Nautilus 805 speakers, which are not very sensitive at only 88db. Even in triode mode I couldn't come close to maxing them out without blowing some ears off. EL84 output tubes, 12AT7 input, 6414 driver tubes.

Here are the rest of the manufacturer specs:

nput Tube: 1 x 12AT7EH large plate Eletcro-Harmonix Russian
Driver Tube: 1 x 6414 JAN NOS GE or Raytheon branded
Output Tubes: 8 x EL84 Ships with Russian NOS EL84M (aka 6Pi14Pi-EB) We are out of Ei 6BQ5.
Output Tube Quiescent Standing Current: 25mA
Set Bias for 250mVDC measured across each 10 Ohm cathode resistor
Input Impedance: 110 kOhm
Negative Feedback: MIN= 3dB; STD=6dB; MAX=10dB of global NFB
Gain:
TRIODE/UL
FB MIN: 30.7 dB 32.1 dB
FB STD: 28.5 dB 29.1 dB
FB MAX: 26.1 dB 27.1 dB
Input Sensitivity for Maximum Output Power: defined as input voltage required in order to produce maximum power output reaching 1.5% THD @ 1KHz
TRIODE/UL
FB MIN: 175mV 155mV
FB STD: 312mV 340mV
FB MAX: 480mV 566mV
Input Sensitivity for 1W into 8 Ohms: 61mV 53mV
Maximum Output Power: defined as power output reaching 1.5% THD @ 1KHz
into 5 Ohms: TRIODE UL
FB MIN: 18W 20W
FB STD: 27W 42W
FB MAX: 28W 46W
into 8 Ohms: TRIODE UL
FB MIN: 14W 24W
FB STD: 24W 40W
FB MAX: 25W 41W
Signal to Noise Ratio Ref. 1W: Typically 82 dB A-WGT 20-20K
Noise Floor: Typically 150µV = -74dBu A-WGT
Noise Floor: Typically 650µV = -62dBu unweighted
Will Scratch Your Floor: Use pennies under pointed feet to avoid marring cabinetry. Try quarters if you are in upper tax brackets. The bargain performer would be nickels. Paper currency does not function as well. Euro coins work 1.54 times better. Concrete pavers or wooden chopping blocks serve fine for amplifier platforms.
Dynamic Range: 83dB
THD+Noise @ 5W: less than 0.15%
Frequency Response at full power UL mode w/MAX NFB: 20 Hz to 20 kHz FLAT
Frequency Response at 5W into 5 Ohms: 10 Hz to 30 kHz FLAT, -3.75dB @ 100KHz
Recommended Speaker Load: Optimized for 5 Ohms
Output Impedance:
TRIODE / UL
FB MIN: 2.43 Ohms TRIODE; 3.10 Ohms UL
FB STD: 1.47 Ohms TRIODE; 1.67 Ohms UL
FB MAX: 0.90 Ohms TRIODE; 0.95 Ohms UL
Damping Factor:
TRIODE / UL
FB MIN: 3.29 TRIODE; 2.58 UL
FB STD: 5.45 TRIODE; 4.78 UL
FB MAX: 8.90 TRIODE; 8.43 UL
Power Consumption (idle): 102 Watts (0.85A @ 120VAC)
Maximum Power Consumption (at Full Power): 168 Watts (1.4A @ 120VAC)
Operating Mains Voltage: Factory set for 100V, 120V or 220-240VAC operation for original destination country's mains voltage.
Operating Mains Voltage: changeable with power transformer re-wiring and fuse value change.
Mains Voltage Frequency:
Mains Fuse 100-120VAC operation: MDA 3 Amp SLO-BLO Ceramic Time-Delay fuse
Mains Fuse 220-240VAC operation: MDA 1.5 Amp SLO-BLO Ceramic Time-Delay fuse
B+ Fuse: MDA 400 mA SLO-BLO Ceramic Time-Delay fuse
Badge Illumination: Units produced before 3/2003 use 8V, 0.3A "Fuse-Lamp" 1/4" X 1 1/4" - Serial numbers after MAHI036 use LED illumination which probably won't burn out
Shipping weight each: 18 pounds - See more at: http://www.soundstagedirect.com/manley-labs-mahi-amplifier-audio-equipment.shtml#sthash.T3P6bvjd.dpuf

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