Manley : Manley Neo-Classic 300B Preamplifier RC

Features and Specifications
Manley Neo-Classic 300B Preamplifier RC:
Inputs: 5 stereo pair unbalanced RCA jacks
Outputs: 2 stereo pairs MAIN out same as SUB out unbalanced RCA jacks
RECORD output: 1 stereo pair pre-volume control unbalanced RCA jacks
HEADPHONE Outs: 2 front panel 1/4″ headphone jacks
Optimized headphone impedance switching: 30-400 Ohms to 300-4000 Ohms
MUTE: Selecting HEADPHONE operation mutes LlNE outputs
Output Vacuum Tubes: 2 x 300B Electro-Harmonix
Input Tubes: 2 x 6SL7GT Electro-Harmonix
Rectifier Tubes: 2 x 5U4GBEH Electro-Harmonix or 5AR4
Regulator Tubes: 2 x OD3 NOS JAN USA
Gain: factory set at 12 dB at max Volume
Internal Variable Feedback: 8.5 dB of global NFB is used @ 12 dB of gain, adjustable trim -1.7dB to +1dB
Noise Floor: typically -70 dB (1 Hz – 100 KHz)
S/N Ratio: typically 105 dB (A WGT, 20 Hz – 20 KHz)
Frequency Response: 5 Hz to 50 KHz 1dB
Channel-to-Channel Separation (L to R): @1KHz 48 dB; @10KHz 35 dB; @20KHz 34 dB
Channel-to-Channel Separation (R to L): @1KHz 50 dB; @10KHz 40 dB; @20KHz 37 dB
THD: 0.08 % @ 1KHz at 1V rms out
Distortion THD+N: -80 dB (.01 %) zero “crossover” distortion, mostly 2nd harmonic
Input Sensitivity: 250mV (-9.8dBu) yields 1V out
Input Impedance: 100 kOhm Noble volume control
Maximum Input Level: 5.5dBu or 1.459 Vrms @ 1KHz, volume control at maximum
Output Impedance (LINE STAGE): 100 Ohms
Maximum Output Level: 17.2dBu or 5.636 Vrms @ 1KHz, volume control at maximum
Output Power (100 Ohm Headphones): 1W (10 V RMS) (28 V P-P)
Output Power (600 Ohm Headphones): 1W( 25 V RMS) (70 V P-P)
Power Consumption: 170 Watts (1.4 A @ 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: 50~ 60Hz
Dimensions: W=19″. L=13″. H=3 1/2″
Shipping Weight: 28 Ibs.