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Harwood Acoustics LS3/5A
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Ausstattungsliste: Manley MAHI
Ausstattung & technische Daten
| Specification | |
| Type | MONOBLOCK POWER AMPLIFIER |
| Input Tube (each mono block) | 1 x 12AT7EH large plate Eletcro-Harmonix Russian |
| Driver Tube (each mono block) | 1 x 6414 JAN NOS GE or Raytheon branded |
| Output Tubes (each mono block) | 4 x EL84 Ships with Russian NOS EL84M (aka 6Pi14Pi-EB) |
| 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 | FB MIN: 30.7 dB TRIODE; 32.1 dB UL |
| FB STD: 28.5 dB TRIODE; 29.1 dB UL | |
| FB MAX: 26.1 dB TRIODE; 27.1 dB UL | |
| Input Sensitivity for Maximum Output Power, defined as input voltage required in order to produce maximum power output reaching 1.5% THD @ 1KHz | FB MIN: 175mV TRIODE; 155mV UL |
| FB STD: 312mV TRIODE; 340mV UL | |
| FB MAX: 480mV TRIODE; 566mV UL | |
| Input Sensitivity for 1W into 8 Ohms: 61mV 53mV | |
| Maximum Output Power, defined as power output reaching 1.5% THD @ 1KHz into 5 Ohms | FB MIN: 18W TRIODE; 20W UL |
| FB STD: 27W TRIODE; 42W UL | |
| FB MAX: 28W TRIODE; 46W UL | |
| Maximum Output Power, defined as power output reaching 1.5% THD @ 1KHz into 8 Ohms | FB MIN: 14W TRIODE; 24W UL |
| FB STD: 24W TRIODE; 40W UL | |
| FB MAX: 25W TRIODE; 41W UL | |
| Signal to Noise Ratio Ref. 1W | Typically 82 dB A-WGT 20-20K |
| Noise Floor | Typically 150µV = -74dBu A-WGT |
| 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 |
| at 5W into 5 Ohms: 10 Hz to 30 kHz FLAT, -3.75dB @ 100KHz | |
| Recommended Speaker Load | Optimized for 5 Ohms |
| Output Impedance | 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 | 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 countrys mains voltage. |
| Changeable with power transformer re-wiring and fuse value change. | |
| Mains Voltage Frequency | 50 ~ 60 Hz |
| Fuse type and ratings @ 117 VAC operation | MAINS fuse: 3 Amp 3AG slow-blow use glass body Littlefuse Series 239 |
| Fuse type and ratings @ 230 VAC operation | MAINS fuse: 1.6 Amp 3AG slow-blow use glass body Littlefuse Series 239 |
| 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 wont burn out |
| Dimensions | 11" deep x 10" wide x 5" tall |
| Shipping weight each | 18 pounds |
