Buzz Audio QSP-20 — Warm and clean sound for your microphones and insturments, the QSP-20 pro audio mic preamp from Buzz Audio.
“Discrete class A four channel mic/instrument preamp, Lundahl output transformers.”
QSP-20 er en 4-kanals mikrofon-preamplifier i ét enkelt 2U rack-unit — fire identiske kanaler med Buzz Audios berømte Class A discrete kredsløb. Perfekt til location recording, live-optagelser og studiebrug hvor plads og kvalitet er i højsædet. Hver kanal har individuelt phantom power, phase reverse, pad, og high-pass filter.
4-kanals mic preamp i ét enkelt 2U rack-unit. Fire identiske kanaler med Class A discrete kredsløb.
Buzz Audio er en newzealandsk producent af high-end analog outboard — håndbygget i Wellington siden 1993. Hver enhed gennemgår omhyggelig kalibrering og test før levering. Buzz Audio er kendt for deres unikke Class A discrete forstærkerdesign (BE40/BE41/BE44) og innovative brug af passive komponenter som ægte induktor-chokes i EQ-designs.
| Min Gain Mic | +22dB (-2dB with pad in) |
| Max Gain Mic | +70dB |
| Min Gain Instrument | +12dB (-3dB with pad in) |
| Max Gain Instrument | +60dB |
| Maximum Output Level | +29dBu into 3k ohm load Frequency Response |
| Mic | 10Hz to 200kHz @ 20dB gain (-3dB) | 0.15% @ 100Hz, 0.01% @ 1kHz, 0.005% @ 10kHz |
| Instrument | 10Hz to 120kHz @ 20dB gain (-3dB) | 0.15% @ 100Hz, 0.015% @ 1kHz, 0.015% @10kHz Noise |
| Total Harmonic | Distortion (measured at -20dBu input, gain adjusted for +10dBu output level) |
| EIN Mic | -131dB A wtg, 150ohm source Z |
| Signal to Noise Ratio Instrument | -76dB A wtg, input shorted. |
| CMNR Mic | -78dB @ 100Hz, -100dB @ 1kHz, -100dB @ 10kHz |
| Input Impedance Mic | 4k ohms/1k2 ohms switchable |
| Input Impedance Instrument | 1MEG ohms |
| Power | 115V or 230V ac mains, switchable on rear panel, IEC detachable power cable. |
