Audio Database

CL30
Commentary

A tube control amplifier sold as a finished product of the tube type kit A3400.

We didn't just assemble the kit and sell it, but some parts were modified.

Model Rating
Type Tube type control amplifier
Frequency characteristic 15 Hz to 35 kHz -1dB
Total harmonic distortion factor 0.06% or Less (Output 2 v)
Output voltage Rating : 2 v (level + 6 dB position)
Maximum : 15 v (0.3% strain rate)
Output impedance 550 Ω
Input sensitivity Phono1 : 2 mv, 4 mv, 10 mv (switching)
Phono2:2mV
Aux1:170mV
Tuner, Aux2 : 170 mV (with level set)
Signal-to-noise ratio Phono:64dB
Tuner, Aux : 77 dB
Tone control LUX System NF Type with Bending Point Switching
Attachment Linear equalizer
High filter
Low filter
Microphone amplifier circuit
Vacuum tube used 12AX7x6 Pieces
12AU7x1 Piece
External dimensions Width 435x Height 165x Depth 300 mm
Weight 9kg