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TCL-2 Twin Topology Two-Channel Compressor/Limiter
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Control Dynamics With Total Signal Integrity
Two paths to perfection with Twin Topology™
Stereo optical compressor/limiter with unprecedented sonic purity & integrity
All triode 300 V vacuum tube signal path or...
All discrete J-FET solid state signal path
Both topologies are entirely transformerless, high voltage, pure Class A
Minimalist design: only one active stage in the audio path
Threshold: Infinity to + 20 dBu
Ratio: 1.4 : 1 to 30 : 1
Attack: 2 to 100 ms
Release: 100 ms to 3 s
Large meters: switchable for VU or Gain Reduction
Constructed for demanding professional applications
Ultra-Premium components throughout
Gold relays, connectors, switches, tube sockets
Silver Teflon power wiring, Mogami Neglex OFC audio wiring
Detented, loggable controls (option)
Lovingly hand-crafted in Northern California
Infinite to +20 dBu, Continuously Adjustable
Maximum Output Level
> + 32 dBu
Maximum Input Level
+ 30 dBu
Output Gain Control
+0 / -3 dB sub 5 Hz to 100 kHz
Noise (20 Hz - 22 kHz)
-87 dBu (SS), -82 dBu (VT)
2 ms to 100 ms, Continuously Adjustable
100 ms to 3.0 S, Continuously Adjustable
Compression Ratio Range
minimum 1.4 : 1, maximum 30 : 1
THD + Noise (20 Hz - 30 kHz)
< .01 %, typ .003 % (VT or SS)
Common Mode Rejection Ratio (10 Hz - 20 KHz, 100 mV C.M.)
> 50 dB, Typ > 70 dB
Dynamics Bypass For Each Channel?
Meter Gain Reduction Or VU Selection?
Stereo Linking Switch?
Minimum Output Load Impedance
300 Ohms (SS), 1k Ohms (VT)
Recommended Minimum Load
600 Ohms (SS), 3k Ohms (VT)
< 5 ohms (SS), < 300 ohms (VT)
Twin Topology Compressor Amplifiers
Switch In: Pure Class-A Discrete J-FETs
Switch Out: Pure Class-A Triode Tubes
55 watts maximum
Selectable: 100-120, 200-240 V ac, 50/60 Hz
19” W x 12.5” L x 3.5” H, 26 lbs.
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