Chameleon Labs 7603
Mic/Line/DI Preamp with 3-band EQ
Preamp$1,299Manufacturer list price
Specifications
- Type
- Preamp
- Description
- Mic/Line/DI Preamp with 3-band EQ
- Topology
- Neve-style transformer-coupled, Class A
- Signal path
- Analog
- Channels
- 1
- Channel format
- mono
- Form factor
- 1U rackmount
- Rack units
- 1
- Frequency response
- 10Hz-20kHz (-0.5dB); 10Hz-50kHz (-1dB)
- Impedance (Ω)
- 300/1200 (mic input, switchable)
Details
Controls: Mic/Line sensitivity (-30dB to +70dB); 300Ω/1200Ω mic input impedance selector; 48V phantom on/off; DI engage switch; EQ engage switch; polarity reverse; variable high-pass filter (40/80/160/320Hz); low-freq EQ ±15dB (35/60/110/220Hz); mid-freq EQ ±15dB (6 selectable freqs); high-freq EQ ±15dB (5 selectable freqs); VU meter
I/O: XLR mic input (transformer-balanced, RF-isolated); XLR line input (transformer-balanced, RF-isolated); 1/4" TRS DI input (high-impedance); transformer-balanced floating output driving 600Ω loads
Notable use: Robert Lang (Robert Lang Studios) quoted on chameleonlabs.com praising low noise and clarity
Notes: 1073-style Neve-inspired preamp; successor/update to Chameleon Labs' original 7602 (mkII) — 7602 no longer listed on chameleonlabs.com (404), superseded by 7603. Integrates mic pre + inductor-based 3-band EQ (channel-strip-like feature set) but classified device_class=Preamp per taxonomy guidance. price_usd is street price at Vintage King (vintageking.com/chameleon-labs-7603-mic-preamp); chameleonlabs.com does not publish price. Captured 2026-07-20. Noise: better than -125dBm EIN, SNR 116dB; max output +28dBu into 600Ω; universal 100-240V switchmode internal PSU.