OHM Amplifier CFU A4 (Pre-Owned)
OHM Amplifier CFU A4 (Pre-Owned)

OHM Amplifier CFU A4 (Pre-Owned)

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OHM Amplifier CFU A4 (Pre-Owned)
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Pre-Owned
Input Impedance

Mic Input 
Selectable 450 ohms (Lo-Z) or 1.6 kilohms (Hi-Z)
DI Input
Selectable 2.2 megohms (Lo-Z) or 50 kilohms (Hi-Z)
Output Load Impedance
20 Hz to 20 kHz +/- 1 dB
Maximum Gain
61 dB
Tube Complement
(1) 12AX7, (1) 12AT7
Maximum Mic Input Level
-12 dBu, 1.0% THD+N Ratio
Maximum Instrument Input Level
+4 dBu, 1.0% THD+N Ratio
Maximum Gain Mic Input
55 dB (1.6K ohm input), 60 dB (450 ohm input)
Mic/Instrument In Frequency Response
20 Hz to 20 kHz, +/- 0.1 dB
Maximum Gain Instrument Input
37 dB
Dimensions

L
14'
W
5 3/4'
H
5'
Weight
9 lbs.
Inputs
Microphone (Female XLR),Balanced Line (Female XLR),Unbalanced Instrument (1/4' jack) (D.I.)
Outputs
Balanced Line (Male XLR)
Tube Complement
12ax7
Pad
-15dB
High Pass Filter
75Hz
Maximum Power Consumption
160mA @120VAC, 20W
Power Requirements
100-240VAC
Dimensions
8.45W x 3.5H x 10.25D
Weight
5.25 lb
Impedance
Mic Input Impedance ,2K ohms Line Input Impedance,10K ohms Hi-Z Input Impedance,2.2M ohms Internal Output Impedance,600 ohms
Gain/Levels
Gain Range for Unit,-Infinity to 70dBu,Mic Range Gain Pot,10 ~ 60 dBu,Line Range Gain Pot,-10 ~ 40 dBu,Hi-Z Range Gain Pot,-10 ~ 40 dBu
Frequency Response
Mic Frequency Response,20Hz to 100kHz +/- 0.2 dBu,Line Frequency Response,20Hz to 100kHz +/- 0.2 dBu,Hi-Z Frequency Response,20Hz to 100kHz +/- 0.2 dBu
Distortion
Min THD+Noise @ +4dBU,0.1% tube 0.005% solid-state
Computer Connectivity
Thunderbolt 3
Form Factor
Desktop
Simultaneous I/O
2 x 4
A/D Resolution
Up to 24-bit/192kHz
Built In DSP/FX
UAD Plug-in Emulations
Number of Preamps
2 x mic, 1 x instrument
Phantom Power
Yes
Analog Inputs
2 x XLR-1/4' combo (mic/line), 1 x 1/4' (Hi-Z)
Analog Outputs
2 x 1/4'
Headphones
1 x 1/4' TRS
Thunderbolt
1 x USB-C (Thunderbolt 3)
Bus Powered
Yes
Software
UAD-2 Realtime Analog Classics Bundle
OS Requirements - Mac
OS X 10.10 or later
OS Requirements - PC
Windows 10 64-bit Anniversary update or later
Power Supply
Thunderbolt Bus powered
Height
1.8'
Width
7'
Depth
4.75'
Manufacturer Part Number
ARROW
Computer Connectivity
Thunderbolt 2
Form Factor
Desktop
A/D Resolution
Up to 24-bit/192kHz
Built In DSP/FX
One SHARC processor - Realtime UAD processing
Number of Preamps
2 x mic, 1 x instrument
Phantom Power
Yes
Analog Inputs
2 x XLR-1/4' combo (mic/line), 1 x 1/4' (Hi-Z)
Analog Outputs
2 x 1/4' (monitor), 2 x 1/4' (line)
Digital Inputs
1 x Optical Toslink (ADAT)
Headphones
1 x 1/4' TRS
Thunderbolt
1 x Thunderbolt 2
Software
UAD Analog Classics Bundle with Unison Emulations (VST, RTAS, AAX 64)
OS Requirements - Mac
OS X 10.10 or later
OS Requirements - PC
Windows 10 64-bit Anniversary update or later, Thunderbolt 3 port, Thunderbolt 2 adapter (not included for PC)
Manufacturer Part Number
APLTWSII
Computer Connectivity
Thunderbolt 2
Form Factor
Desktop
Simultaneous I/O
10 x 6
A/D Resolution
Up to 24-bit/192kHz
Built In DSP/FX
Two SHARC processors - Realtime UAD processing
Number of Preamps
2
Phantom Power
Yes
Analog Inputs
2 x XLR-1/4' combo, 1 x 1/4' (Hi-Z)
Analog Outputs
2 x 1/4' (monitor), 2 x 1/4' (line)
Digital Inputs
1 x Optical Toslink (ADAT)
Headphones
1 x 1/4'
Software
UAD Analog Classics Bundle with Unison Emulations (VST, RTAS, AAX 64)
OS Requirements - Mac
OS X 10.10 or later
OS Requirements - PC
Windows 10 64-bit Anniversary or later, Thunderbolt 3 port, Thunderbolt 2 adapter (not included for PC)
Height
2.60'
Width
6.31'
Depth
6.20'
Weight
2.35 lbs.
Manufacturer Part Number
APLTWDII

Output 8 Ohms 2x110w
Output 4 Ohms 2x1900w

8 years old. Good running condition.
Selling because I'm upgrading my system.

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