TC Electronic classic450 User Guide

Input Section
Input connector
Input impedance
Gain range

Tone controls 
Bass 

Low Mid
High Mid
Treble

Balanced output
Max. Output 
Minimum Load 

Tuner out
(Preamp out)

¼" jack 
1 MOhm / 100 pF
-96 to 32 dB

Freq: 200 Hz (Gain: +15/-24 dB) 
- Shelving type 3 dB slope
Center Freq: 400 Hz (Gain: +15/-24 dB)
Center Freq: 800 Hz (Gain: +15/-24 dB)
Default Freq: 1600 Hz (Gain: +12/-24 dB)
- Shelving type 3 dB slope

0 to 10, Tube amp Recreation

3 band Spectral Compression

Universal 100 to 240V 50/60 Hz 
(80 w @ 1/8 Power)

Combined Speakon / ¼" jack

450 W (800 W Peak) @ 4 Ohm

Transformer Balanced XLR, Pre/Post Pre-amp
+0 dBu
4 Ohm

0 to 10, Speaker Output Level

¼" Jack, Balanced Output, 
Max. Output Level = +8 dBu

¼" Jack, balanced input, impedance = 
10 kOhm, Max Input Level = +8 dBu

275 x 290 x 66 mm / 10,8” x 11,4” x 2,6”

4 kg / 8.8 pounds

Sandblasted die-cast aluminum