The 7603 is Chameleon’s flagship pre-amplifier, representing a leap forward in analog design, performance, versatility and value. It is the true embodiment of our philosophy 7603 FeaturesChameleon wound microphone and Line Input transformers and Chameleon output transformer, all with mu-metal housingsHigh resolution, low noise discrete audio circuitryHi-Z Direct Instrument Input (TRS)Discrete Class A Electronic TopologyThree band, inductor based EQ48V phantom power for mic inputSelectable 300Ω or 1200Ω Mic Input ImpedanceCustom VU meter (input/output) with calibrated ballisticsRelay based selection of Line / Mic & DI InputsOverload input and output indicatorsReverse Phase SwitchUniversal, on-board power supplySpecificationsUser Controlled Functions:On Switch: Turn Pre Amp On - VU Meter Light300Ω / 1200Ω Switch: Switch between 300Ω and 1200Ω input impedance for the mic input48V Power Supply Switch: On/OffDI Switch: Direct Input with 100KΩ input sensitivityEQ Switch: Engages audio high pass filter and equalization circuitsPolarity Switch: Reverses the polarity of the audio signalMic/Line Sensitivity Switch: +20dB to +70dB of mic boost and -30dB to +20dB of line level adjustment.High Pass Filter: Provides a 15dB/octave high pass filter at 40Hz, 80Hz, 160Hz and 320HzLow Frequency Equalization: Provides +/-15dB of Boost or Cut at 35Hz, 60Hz, 110Hz or 220HzMid Frequency Equalization: Provides +/-15dB of Boost or Cut at 360Hz, 700Hz, 1.6kHz, 3.2kHz, 4.8kHz or 7.2kHzHigh Frequency Equalization: Provides +/-15dB of Boost or Cut at 3.4kHz, 4.9kHz, 7kHz, 12kHz or 16kHzInputs:Microphone (XLR): Transformer balanced input, RF isolatedLine (XLR): Transformer balanced input, RF isolatedDirect In (1/4” TRS): High impedance instrument inputInput Impedance:Microphone: 300Ω or 1200ΩLine: 10kΩ line bridging from 600Ω or lower source impedanceDirect Input: 100kΩSensivity:Microphone: From -70dBm to -20dBm in 5 dB steps for 0dBm outputLine: From -30 dBm to +20 dBm in 5 dB steps for 0 dBm outputNoise Specification: Better than -125dBm EIN between -80 and -40 dBm referenced to 600Ω input impedance, SNR 116dB at maximum outputOutput Type: Transformer balanced and floating to drive 600 Ω loadMaximum Output: +28dBu into 600Ω load impedanceFrequency Response: 10Hz - 20kHz -0.5dB 10Hz - 50kHz -1dBIndicators:VU Meter Light: Power ONRed Input Gain: Input OverloadRed Output Gain: Output OverloadPower Supply:100V - 240V (50/60Hz): Switch mode power supply, fully shielded 3 amp peak output capability, quiescent consumption 0.5 WattsMechanical:1RU Steel enclosure Aluminum front panel Laser etched graphics Milled aluminum knobs

The 7603 XMOD is identical in every way to Chameleon’s flagship 7603 pre-amplifier, except for the use of Carnhill UK manufactured input and output transformers.7603 FeaturesUK Carnhill Microphone and Line Input transformers and Carnhill UK output transformer, all with mu-metal housingsHigh resolution, low noise discrete audio circuitryHi-Z Direct Instrument Input (TRS)Discrete Class A Electronic TopologyThree band, inductor based EQ48V phantom power for mic inputSelectable 300Ω or 1200Ω Mic Input ImpedanceCustom VU meter (input/output) with calibrated ballisticsRelay based selection of Line / Mic & DI InputsOverload input and output indicatorsReverse Phase SwitchUniversal, on-board power supplySpecificationsUser Controlled Functions:On Switch: Turn Pre Amp On - VU Meter Light300Ω / 1200Ω Switch: Switch between 300Ω and 1200Ω input impedance for the mic input48V Power Supply Switch: On/OffDI Switch: Direct Input with 100KΩ input sensitivityEQ Switch: Engages audio high pass filter and equalization circuitsPolarity Switch: Reverses the polarity of the audio signalMic/Line Sensitivity Switch: +20dB to +70dB of mic boost and -30dB to +20dB of line level adjustment.High Pass Filter: Provides a 15dB/octave high pass filter at 40Hz, 80Hz, 160Hz and 320HzLow Frequency Equalization: Provides +/-15dB of Boost or Cut at 35Hz, 60Hz, 110Hz or 220HzMid Frequency Equalization: Provides +/-15dB of Boost or Cut at 360Hz, 700Hz, 1.6kHz, 3.2kHz, 4.8kHz or 7.2kHzHigh Frequency Equalization: Provides +/-15dB of Boost or Cut at 3.4kHz, 4.9kHz, 7kHz, 12kHz or 16kHzInputs:Microphone (XLR): Transformer balanced input, RF isolatedLine (XLR): Transformer balanced input, RF isolatedDirect In (1/4” TRS): High impedance instrument inputInput Impedance:Microphone: 300Ω or 1200ΩLine: 10kΩ line bridging from 600Ω or lower source impedanceDirect Input: 100kΩSensivity:Microphone: From -70dBm to -20dBm in 5 dB steps for 0dBm outputLine: From -30 dBm to +20 dBm in 5 dB steps for 0 dBm outputNoise Specification: Better than -125dBm EIN between -80 and -40 dBm referenced to 600Ω input impedance, SNR 116dB at maximum outputOutput Type: Transformer balanced and floating to drive 600 Ω loadMaximum Output: +28dBu into 600Ω load impedanceFrequency Response: 10Hz - 20kHz -0.5dB 10Hz - 50kHz -1dBIndicators:VU Meter Light: Power ONRed Input Gain: Input OverloadRed Output Gain: Output OverloadPower Supply:100V - 240V (50/60Hz): Switch mode power supply, fully shielded 3 amp peak output capability, quiescent consumption 0.5 WattsMechanical:1RU Steel enclosure Aluminum front panel Laser etched graphics Milled aluminum knobs

The Chameleon Labs 7721 Stereo VCA compressor is a powerful analog processor designed to make your tracks sound more compact and powerful. 7721 FeaturesStereo compressor with VCA-based signal detectionSuper low noise, IC based input sectionSide chain input allows a separate source to be used as the compression triggerIC based, ultra-low noise output stageVU meter for Input / Output Level and Gain Reduction monitoringSuper low noise internal power supplySelectable high pass filterThreshold, Attack, Release and Ratio controlsSelectable detection type Peak or RMSSelectable compression types: Soft or Hard KneeBlend control allows you to mix the compressed audio signal with the original signalSpecificationsUser Controlled Functions:On Switch: Turn Pre Amp On - VU Meter LightCompression: Insert compression circuit or bypassSide Chain: Use Side Chain input for triggeringCompression: Soft or Hard Knee compression typeDetection: Peak or RMSHigh Pass Filter: 60, 90, 130 or 200 Hz high pass filter applied to Side Chain detection signalThreshold: Applied between -15dB and +15dBAttack: Attack time in milli seconds - .1 / .3 / 1 / 3 / 10 / 30Release: Release time in seconds - .1 / .3 / .6 / 1.2 / 1.5Ratio: Compression ratio selection 1.5 / 2 / 4 / 8 / 10Blend: Full Dry equivalent to 0% compression, Full Wet equivalent to 100% compressionOutput Gain: -60dB to +20dB Output Level controlVU Meter controls (L&R): In - Input / Out - Output / GR - Gain ReductionInput Connectors:Input (Female XLR): 50 kΩSide Chain Input (Female XLR): 50 kΩOutput (Male XLR): 200 ΩAudio Specifications: Noise Specification: <-100dBu Input Terminated with 600 Ω, compressor ON and Output Gain set to 0dBFrequency Response: 20Hz - 20kHz +/- 0.25dBHeadroom: > 20dB output levelDynamic Range: 100 dB per AES17 StandardCommon Mode Rejection: 100Hz - 10kHz >90dBInput and Output Impedance: >10kΩ / <50 ΩIndicators:Red Input Gain: Input OverloadRed Output Gain: Output OverloadPower Supply:100V - 240V (50/60Hz): Switch mode power supply, fully shielded 3 amp peak output capability, quiescent consumption 0.5 WattsMechanical: