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Produkte > Studio Equipment > La Chapell Audio > 19" Outboard
Model 992EG
Stereo Tube Microphone Preamplifier

- Stereo Röhren Mikrofon Vorverstärker
- Gain und Output Level Controls
- 4x 12AX7 und 4x 12AU7 Röhren
- Jensen JT-115k Input Transformator
- Jensen JT-11BM Output Transformator
- 48V Phantom, -20dB Pad, Phase Reverse
- Grosses VU Meter & Mute-Schalter pro Kanal
- Frontpanel Hi-Z Input
- Erweiterter Frequenzgang von 10 bis 100 kHz

The LaChapell Audio Model 992EG is a two channel fully balanced all-tube preamplifier and instrument input amplifier. Meticulously hand assembled, every aspect of the 992EG speaks of our dedication to quality of sound and solid, robust construction. Utilizing a total of eight vacuum tubes promises that the 992EG will absolutely awaken your ears with its warm melodic character and rich low-end response. But, what makes the 992EG such a powerful preamp is the level of control the user has over both the input and output stages. Allowing the user to actually throttle gain in or out of either the input stage (for loads of character) or the output stage (for a more clear, transparent response) by way of fully variable potentiometers secures the 992EG as one of the most flexible vacuum tube preamps available in today’s market.

For the 992EG’s input stage we chose one of Jensen’s best microphone input transformers; the JT-115k. along with two 12AX7/ ECC83 vacuum tubes per channel; allowing a generous >74dB of raw internal gain. With over 40dB of gain deployed to the input pot alone, your ability to drive and explore the sonic potential of this amplifier becomes very dramatic. The harder you push the input stage the more harmonics are generated; even into 15~20% distortion! And, since this is a balanced amplifier (meaning both negative and positive rails are amplified internally) the distortion will sound compressed and full of energy.

The direct instrument input (Hi-Z) stage on the 992EG utilizes the high performance Cinemag CM-DBX direct transformer which feeds the balanced differential amplifier input. This double balanced approach allows for an extremely quiet Hi-Z stage; renowned for it’s rich, clear, full sound- highly favored among electric guitar and bass players.

The 992EG’s output stage features a cross-coupled push-pull topology which includes two 12AU7 tubes in parallel with the Jensen JT-11BM line output transformer.
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