Johnson Amplification Integrated Modeling Amplifier - Specifications

Millennium Specifications
Power Amp Section:
80 Watts RMS per channel @ 8 ohms
125 Watts RMS per channel @ 4 ohms
Audio Outputs:
Left Speaker outputs: 2-1/4 inch jacks paralleled
Right Speaker outputs: 2-1/4 inch jacks paralleled
Loop Send: 1/4 inch TRS balanced / unbalanced: -10dBu
Left/Right Direct/Recording
Outputs: 2- XLR servo-balanced: +4 dBu:
1 ground Maximum level: +18 dBu
Impedance: 100 ohms
Audio Inputs:
Bright Input: 1/4 inch unbalanced:
sensitivity adjustable by input level control
Impedance: 1 megohm
Normal Input: 1/4 inch unbalanced sensitivity
adjustable by input level control
Impedance: 1 megohm
Loop Return: 1/4 inch unbalanced: +18 dBu
Maximum Level: +18 dBu
Impedance: 10 kΩ
Controller Connections:
MIDI: In, Out/Thru
Expression Pedal inputs: 2- 1/4 inch;
compatible with any standard volume pedal with 25K to 1M Ω
or voltage control pedal (0-5v).
J-3 footswitch input: 1/4inch TRS
J-12 Controller Input: 5 pin DIN female
Tube Complement:
2- 12Ax7 triodes: 300 volt power supply
DSP Section:
A/D Converter: 20 bit 128X oversampled delta sigma stereo
D/A Converter: 20 bit 128X oversampled
Sampling frequency: 44.1 kHz
Static Dynamic Instruction Set Computer (S-DISC II)
Digital signal path width: 24 bits
Internal Data path width: 24 bits
Delay DRAM: 256 K x 24 (5.9 sec.)
Delay SRAM: 256 24 bit registers
Data ALU processing: 11.3 MIPS
Multiplier size: 24 x 24 bits
DSP co-processor
Digital Signal Path width: 24 bits
Internal Data Path width: 48 bits
Delay SRAM: 768 - 24 bit registers
Data ALU processing: 22.6 MIPS
Multiplier size: 24 X 24 bits
Power Requirements:
100, 120, 230 and 240 VAC 50/60 Hz 550 W
Fuse: 100, 120 VAC 1/4” X 1 1/4” 6A
230, 240 VAC 5mm X 20mm 3.15A
Memory Capacity:
Factory: 100 Presets
User: 100 Presets
Dimensions: 28” (711mm) W x 11” (265mm) H x 12” (305mm) D
Net Weight: 42 lbs
Shipping Weight: 47 lbs
Johnson Millennium
User Guide
Section - 7 Appendix
87