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Lehle Sunday Driver Guitar Preamp
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A compact, portable preamp with 2 operating modes.

The Lehle Sunday Driver is a high-end preamp with a convenient compact format. It features JFET-based circuitry and provides 2 modes of operation, with selection via a mode selector switch with gold-plated contacts: "D" stands for Driver; in this mode, the guitar signal is amplified, with absolutely no modification, at the input impedance of a guitar amp, efficiently eliminating losses on the route through leads and effects; the signal remains strong and clear, retaining its full dynamics. The second setting "S" - as in Sunday - multiplies input impedance by 4, bringing out previously inaudible details and, as gain increases, imparting to the guitar sound a characteristic and unmistakable warmth that has given this preamp its name - the result is a sound as mellow as a sunny Sunday afternoon! Even at a 15dB gain setting, the Lehle Sunday Driver always stays clean and absolutely free of background noise, thanks to its studio-standard signal-to-noise ratio of over -100dB. To exploit the dynamics of tube amplifiers to the full, the input voltage is also rectified from the power supply socket, then filtered, stabilized, and doubled to 18V. With its broad output range of 20 to 100,000Hz, the Lehle Sunday Driver, powered by a standard 9V (PP3) battery, can be used anywhere, as a cable driver for stadium and other large stages, in complex effects set ups, or as a recording preamp - and not just on Sundays!

Lehle Sunday Driver Guitar Preamp Features:

  • Compact high-end preamp
    JFET-based circuitry
    2 modes of operation, D (Driver) & S (Sunday)
    Clean and absolutely free of background noise
    Gold-plated switches
    Adjustable gain
    Voltage internally doubled to 18V
    Battery operation possible

Lehle Sunday Driver Guitar Preamp Specifications:

  • Voltage range: 9 - 20 V AC or DC, or 9V PP3 battery
    Max. power take-up: 7 mA
    Frequency response: 20Hz-100kHz (in mode D)
    : 0,001 % at 1kHz, 0 dBU
    Impedance, Input D: 1 MOhm
    Impedance, Input S: 4 MOhm
    Impedance, Output: 150 Ohm
    Signal-to-noise ratio: -103 dB at (A-weighted)
    Max. level: 5,7 V RMS (approx. 17 dBU)
    Max. gain: 15 dB
    Weight: 0.78 lb. (356g) (without Battery)
    Length: 3.54" (9cm)
    Width: 3.62" (9.2cm)
    Overall height: 1.53" (3.9cm)

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PO Box 4769
Westlake Village, CA 91359
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