Pete Cornish LD-3
Our low noise discrete component Class A pre-amplifier has been specifically designed to overcome the problems often encountered with amplification of Electric Instruments fitted with magnetic transducers. The usual cause of these problems is the mismatch of the impedance in the electrical circuit between the pickup and subsequent equipment: this mismatch has been completely eliminated with the introduction of our LD-3™ Line Driver/mute/Tuner Feed unit.
The input impedance is identical to a high quality tube amplifier and our Class A Pre-amplifier also features a highly effective RF filter which will help prevent interference from nearby radio transmitters.
The pickup output should be connected directly to the Line Driver input with a short, low loss, screened cable; the Line Driver output can now be fed to any effects or volume pedals (if used) and then on to the amplifier, using fully screened cables, of any length, throughout.
Also fitted is an auxiliary output, which may be used to feed a signal to a Tuner; this signal is identical to the main Output signal but has additional isolation components to ensure that interference signals, which may be generated in a tuner, are not fed back to the amplifier. The Tuner Feed signal is permanently active.
The heavy-duty footswitch controls the signal sent to the main “OUTPUT” jack and provides a complete shutdown of the audio signal path when set to “MUTE”
Triple purpose: Line Driver, Tuner Feed and Mute in one convenient package: compact size housing 100 x 120 x 36mm
Each unit is hand built, wired and tested by Pete and Lynda Cornish.
Heavy Duty all-metal footswitch with Daylight Visible LED's.
Easy battery is replaceable via the removable “drawer”. The battery is switched on when you insert the “INPUT / PWR ON” jack and to ensure long battery life unplug this lead when the unit is not in use. If the unit is not to be used for a long length of time, or to be adapter powered, we recommend that you remove the battery. Preferred battery types are MN1604.
Also fitted is an input for a DC adaptor: the size of the coax connector is 5.5/2.1mm and the center pin is negative (-VE). The adapter should be noise free, fully stabilized at 9V DC and capable of supplying 20mA. We recommend the use of Voodoo Lab Pedal Power 2 Plus adapter as meeting the above criteria and cannot accept any liability for damage caused to this unit by the use of, or to, any other type of DC adapter. An adapter proving an output of an AC voltage should NOT be used. If only a single unit is to be powered the BOSS PSA series may be more cost effective and is also recommended.