Specifications; Vacuum Tubes - Manley Absolute Owner's Manual

specifications

Amplifier Topology:
Triode Vacuum Tube Output Stage, Switchable Topology Single-Ended or Push-Pull

Vacuum Tubes:

2 x 12AX7 (ECC83 / 7025), 4 x 6AQ5A (EL90 / 6005)
Inputs:
2 x Unbalanced RCA (Input 1 & Preamp Output = Bypass when amplifier is on Standby or off)
Input Impedance:
50 kOhms (Pass-Thru= 300 kOhms)
Maximum Input Level:
7.7 VAC RMS (+20 dBu) (Conditions: XLR output, PP mode, 16 Ohms load, VOL max, EQ out, 1kHz tone)
Gain:
Load 16 Ohm: 15 dB (Min FB), 7 dB (Max FB)
Load 62 Ohm: 21 dB (Min FB), 13 dB (Max FB)
Load 200 Ohm: 26 dB (Min FB), 17 dB (Max FB)
(Conditions: XLR output, PP mode, VOL Max, EQ out, 1kHz tone)
Input Sensitivity:
366 mV AC RMS for an output of 100 mW
1.16 VAC RMS for an output of 1W
(Conditions: XLR output, PP mode, FB 12:00 o'clock, 16 Ohms load, 1kHz tone, VOL up, EQ out)
Volume Control:
Precision Stepped Relay Attenuator 0.5dB per step. 127 steps
- 63db total attenuation
Stereo Outputs: (transformer coupled):
1 x RCA - Unbalanced (Preamp Output)
1 x TRS 1⁄4" JACK - Unbalanced
1 x 4 PIN XLR - Balanced
Left Channel Pin 1 = Signal (+), Pin 2= Signal (-)
Right Channel Pin 3 = Signal (+), Pin 4= Signal (-)
Output Impedance:
Switchable: L = Low = 12-50 Ohms, M = Medium = 50-200 Ohms, H = High = 200-600 Ohms