Manley Neo Classic 250

Manley Neo-Classic 250 Watt Monoblock

• ALL-TUBE monoblock design: uses 10 x EL34JJ output tubes
• Driver Stage: High current double 12BH7EH (x2) Electro-Harmonix Russian
• Input Tube: 12AT7EH large plate Electro-Harmonix Russian
• BALANCED & UNBALANCED inputs: RCA and XLR jacks (switchable)
• MUTE switch: on front panel
• TRIODE / TETRODE switching: on front panel
• SOFT-START turn on mode: minimizes in-rush current by first powering up amplifier to half voltages
• EVER-WARM mode: for standby keeps tubes warmed up at half voltages
• MANLEY Precision Output Transformer: designed and wound at Manley Labs
• Front panel bias measurement and adjust: Concealed under the black oval insert
• Output Tube Standing Current: 27.5mA
• Set Bias for: 275mVDC measured across each bias tip jack to ground
• Large filter / reservoir capacitors: 3800uF x 2
• Angled rear of chassis: provides for easy connections
• WBT binding posts: CE compliant for European models
• Input Sensitivity: 1V for full power
• Input Sensitivity Triode: 174mV for 1 watt into 8 ohms 
• Input Sensitivity Tetrode: 146mV for 1 watt into 8 ohms 
• Gain Triode: 30dB
• Gain Tetrode: 32dB
• Input Impedance RCA: 116 Kohm @ 1KHz
• Input Impedance XLR: 270 Kohm @ 1KHz; 20Kohms @ 20KHz; 38Kohm @ 20Hz
• Actual Output Impedance Triode: 0.538 ohm
• Actual Output Impedance Tetrode: 0.465 ohm
• Optimum Speaker Load: 5 ohms
• Damping Factor Triode: 14.8
• Damping Factor Tetrode: 17.2
• S/N Ratio Ref 1W into 8 ohms: -80 dB; -90dB A-WGT
• Dynamic Range: 93dB
• FLAT frequency response: 10 Hz - 30 KHz continuous
• Full Power Tetrode: 250W @ 1.5% THD into 5 ohms
• Full Power Triode:   100W @ 1.5% THD into 5 ohms
• Power Consumption: 30 Watts in "EVER-WARM" mode
• Maximum Power Consumption: 815 Watts at full power
• 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: 50~ 60Hz
• Mains Fuse 100-120VAC operation: MDA 10 Amp SLO-BLO Ceramic Time-Delay fuse
• Mains Fuse 220-240VAC operation: MDA 8 Amp SLO-BLO Ceramic Time-Delay fuse
• B+ Fuse: MDA 1 1/2A SLO-BLO Ceramic Time-Delay fuse
• Badge Illumination: Units produced before 4/2003 use 8V, 0.3A "Fuse-Lamp" 1/4" X 1 1/4" 
                Serial numbers after N250188 use LED illumination which probably won't burn out
• Power Cord: Detachable IEC standard. Appropriate power cord supplied for destination country
• Dimensions: W=19" x D=13" x H=9"
• Shipping Weight: 73 Lbs. each