Topp Pro

Model TXO-234 MKII 2 AND 3 WAY STEREO CROSSOVER
INPUT
Connectors XLR
Type Electronically servo-balanced, RF filtered
Impedance Balanced >50k Ohms, unbalanced >25k Ohms
Max. Input Level +22dBu typical, balanced or unbalanced
CMRR >40dB, typically >55dB at 1 kHz
OUTPUT
Connectors XLR
Type Electronically servo-balanced, RF filtered
Impedance Balanced 60 Ohms, unbalanced 30 Ohms
Max. Output Level +20dBm, balanced / unbalanced
PERFORMANCE
Bandwith 20Hz to 20kHz +0 / -0.5dB
Frequency Response +5 Hz to -90kHz, +0 / -0.3dB
Signal to Noise Ratio Ref.: +4dBu, 20Hz to 20kHz, unweighted
Mode Stereo Mode: / Mono Mode:
Low Output >93dB / >93dB
Low-Mid Output / >94dB
Mid Output >95dB
High-Mid Output / >94dB
High Output >90dB / >88dB
Dynamic Range >106dB, unweighted
THD & Noise Limiter Off / Limiter On
Interchannel Crosstalk 0.5
High to Low: >93dB
High to Mid: >94dB
Mid to Low: >95dB
High to High-Mid: >95dB
High-Mid to Low-Mid: >95dB
Low-Mid to Low: >92dB
CROSSOVER
Filter Type Linkwitz-Riley, 24dB/Octave, state variable
Stereo Mode Frequencies x1 / x10
Low/High 44 to 930Hz / 440Hz to 9.3kHz
Low/Mid 44 to 930Hz / 440Hz to 9.3kHz
Mid/High 440Hz to 9.3kHz
Mono Mode Frequencies x1 / x10
Low/Low-Mid 44 to 930Hz / 440Hz to 9.3kHz
Low-Mid/High-Mid 440Hz to 9.3kHz
High-Mid/High 440Hz to 9.3kHz
FUNCTION SWITCHES
Front Panel
Low Cut Activates 25Hz Butterworth, 12dB/Octave high-pass filter
Mute Mutes the individual output
Phase Invert Inverts the phase at the individual output
CD Horn Conects CD horn frequency response above 3.5kHz
Limiter Activates the limiter function for all outputs
Rear Panel
Xover Frequency Multiples crossover frequency range by 10
Mode Selects stereo/mono and 2/3/4-way operation
LF Sum Selects normal stereo or mono summed low frequency operation
ON=Channel 1 +6dB louder / Channel 2= the same as before
CONTROLS
Input Controls the input gain (-8 to +12dB)
Xover Frequency Controls the crossover frequency