The Tubecore 500 is a fully symmetric transformer balanced stereo mastering compressor. The structure is based on a typical vari-mu solution. The Tubecore 500 is a true tube mono compressor where compression is achieved using the remote cut-off of tube biasing. Could be used as a mono tracking compressor or (as a matched pair) as an advanced mastering tool.
Basic Features:
Stereo LinkYes
Hard wire bypass Yes
Input & Output
Input Impedance (balanced) 600 ohm
Output Impedance (balanced) 600 ohm
Audio transformers Yes, IGS Custom
Levels
Operating Level+4 dBu
Max input level +22 dBu
Max output level +22 dBu
Noise Level-99 dBA
Max. gain 40 dB
Max Gain Reduction 30 dB
Time constants
Attack: 0.1 - 30 ms
Release: 0.1 - 4s
Bandwidth
Frequency response 8 Hz - 20k Hz, +/- 1 dB
Distortion (@ 20 Hz - 20 kHz)
THD+N 0.002% @ 0dBu
Front Panel
VU Meters Yes, GR (backlit)
Power
Voltage API Standard, internal DC-DC conversion for powering tubes (250V DC)
Power consumption12W
Packing box
Shipping weight3 kg
Others
Tube set ECC82, 6AK5 x2