Manley Laboratories"Retro" SE/PP 300BusedManley Laboratories "Retro" SE/PP 300B Monoblock Tube Amplifier PairFeatures and Specifications Manley "Retro" SE/PP 300B Monoblock: Vacuum tubes: Output 2 x 300B Driver 1 x 6SN7 Input 1 x 6SL7 Rectifier 2 x 5U4 Output Power @ 1kHz with 5 dB Feedback in SINGL...3499.00

Manley Laboratories "Retro" SE/PP 300B Monoblock Tube Amplifier Pair [Expired]


no longer for sale

Features and Specifications Manley "Retro" SE/PP 300B Monoblock:
  • Vacuum tubes:
  • Output 2 x 300B
  • Driver 1 x 6SN7
  • Input 1 x 6SL7
  • Rectifier 2 x 5U4
  • Output Power @ 1kHz with 5 dB Feedback in SINGLE-ENDED: 11 Watts @ 3% THD
  • Output Power @ 1kHz with 5 dB Feedback in PUSH-PULL: 24 Watts @ 1.5% THD.
  • Input Sensitivity with 5db Feedback SINGLE ENDED: 700mV for Maximum Power
  • Input Sensitivity with 5db Feedback PUSH-PULL: 450mV for Maximum Power
  • Input Sensitivity with 5db Feedback SINGLE ENDED: 165mV for 1V output into 8 Ohms
  • Input Sensitivity with 5db Feedback PUSH-PULL: 160mV for 1V output into 8 Ohms
  • Input Impedance: 100 kOhm, direct coupled.
  • Actual Output Impedance SINGLE ENDED: 2.25 Ohms
  • Actual Output Impedance PUSH-PULL: 1.86 Ohms
  • Optimum Speaker Load (switchable): 4 to 12 Ohm range appropriate for 4 & 8 Ohm speakers;
  • 12 to 20 Ohm range appropriate for 16 Ohm speakers
  • Damping Factor SINGLE ENDED: 3.5
  • Damping Factor PUSH-PULL: 4.3
  • Freq. Response with 5 dB Feedback in SINGLE-ENDED: 15 Hz - 15 kHz ±0.5 dB (measured at 5 watts)
  • Freq. Response with 5 dB Feedback in PUSH-PULL: 10 Hz - 20 kHz ±0.5 dB
  • GAIN SE Mode 0dB Feedback Setting: 30 dB
  • GAIN SE Mode 10dB Feedback Setting: 20 dB
  • S/N Ratio: SINGLE ENDED: 83.5dB Ref. 1W; 2.83v//8 Ohms,20KHz BW; 5dB FB.
  • S/N Ratio: PUSH-PULL: 85.4dB Ref. 1W; 2.83v//8 Ohms; 20KHz BW; 5dB FB.
  • Dynamic Range: SINGLE ENDED: 94dB Ref. 3% THD; 20KHz BW; 5dB FB.
  • Dynamic Range: PUSH-PULL: 99.5dB Ref. 1.5% THD; 20KHz BW; 5dB FB.
  • Maximum Power consumption: 240 Watts (idle)
  • 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 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
  • Mains Voltage Frequency:
  • Dimensions: W=8.5", D=23", H=9"
  • Minimum Mounting Surface Dimensions: Feet Footprint = W= 7.5" D= 18"
  • Shipping weight: 41 lbs. each 
Items from this seller