In this video Roger Sadowsky shows you step by step how to retrofit a "Vintage Style"* Sadowsky MetroExpress bass with the Sadowsky Preamp found in the MetroLine and MasterBuilt series basses. This video is intended to both, give you detailed instructions on the installation of a Sadowsky Preamp, but also for you to see if you can do this at home by yourself or rather let a professional guitar tech do the retrofitting for you.
* In contrast to a "Modern Style" Sadowsky bass, a "Vintage Style" Sadowsky features a pickguard and a metal plate surrounding the control knobs.
The video on how to install the Sadowsky Preamp into a "Modern Style" Sadowsky MetroExpress bass can be found here: • HOW TO: UPGRADE YOUR B...
Order your Sadowsky Preamp here: shop.warwick.d...
The Sadowsky Onboard Bass Preamp (4-Knob System) is a completely prewired system offering the same controls and the same legendary active preamp as all Sadowsky basses. This preamp is designed for installation on most J-style basses with a metal control plate. On newer active J-style basses with a side jack and a battery compartment, usually no modification is required. On passive basses, the only required modification is to move the output jack to the side of the instrument and to make room for a battery. The controls are: Volume - Pan (Balance) - VTC (Vintage Tone Control) - Treble / Bass. The treble and bass controls are boost only - flat response is with the controls at their complete counterclockwise position. The VTC control is passive, the maximum setting is a flat EQ. The further you turn the control down, the more the high end in the signal will be attenuated. The preamp can be installed either with the included control plate or mounted through a rear control cavity in either a 4-in-line or diamond pattern. This system is not compatible with active pickups requiring anything else than a 250K or 500K volume or balance pot.
Prewired onboard bass preamp for J-style basses with metal control plate
Active preamp for passive pickups
4 knob layout with controls for Master Volume / Balance / Vintage Tone Control (P/P) / Treble and Bass (stacked)
Push/pull function at VTC knob for preamp bypass
Can be installed either with the included control plate or mounted through a rear control cavity
Frequency response 5 Hz - 50 kHz
Bass control offers +18 dB boost at 40 Hz
Treble control offers +18 dB boost at 4 kHz
Total harmonic distortion (THD) 0.18% at 1 kHz
Power supply via one 9V battery
Current draw 9 mA
Up to 870 hours battery life
Input impedance 1 Mohm
Output impedance 1 kohm
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1 окт 2024
