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Controls the gain and frequency for the mid-range frequencies on both channels.
Adjusts the overall output volume for the main output jack.
A shelving type filter for adjusting bass frequencies with a wide gain range.
Inverts the phase of the A channel's signal when needed.
Mutes all outputs except the FX Send, useful for silent changes.
Switch for using Electret pickups on the A channel (INPUT).
Selects between High Pass or Notch filter functions for the preamplifier.
Sets the input source for channel B to 1/4" or XLR.
Controls the input signal level for optimal signal processing.
A shelving filter for adjusting treble and upper mid-range frequencies.
Works with TYPE switch to adjust High Pass or Notch filter frequency.
Selects between input channels A, B, or A+B.
Output taken at FX send, active when Mute is on, for tuner connection.
Allows connection of external effects in parallel mode via TRS cable.
The main output jack for connecting to an amplifier or power amplifier.
Direct input for channel B or both A+B when A+B switch is inner.
Manages input signal routing between channels A, B, and A+B.
High impedance, low noise instrument input for channel A.
Input for +48V Phantom microphones on channel B.
Sends a balanced output signal after equalization.
Adds an emulated speaker simulation to the balanced output.
Eliminates ground noise and hum by disconnecting the ground.
Input for monitoring with headphones, volume adjusted by source.
Jack for connecting headphones for silent practice.
Connection point for the 9V DC power supply.
Details input impedance, gain, and filter characteristics.
Details for effects loop, outputs, and inputs.
Covers power requirements, dimensions, and weight.
The EBS Stanley Clarke Signature Acoustic Preamp is a versatile and high-quality preamplifier designed for acoustic instruments, offering a comprehensive suite of controls for shaping your sound. This device is engineered to provide exceptional clarity, presence, and ambiance, making it suitable for both live performance and studio recording.
At its core, the EBS Stanley Clarke Preamp is a two-channel acoustic preamplifier, allowing for the simultaneous connection and processing of two different instruments or a single instrument with two distinct pickup systems. Each channel (A and B) is equipped with independent controls for gain, bass, mid-range, and treble, providing extensive sound-sculpting capabilities.
The preamp features a MIC INPUT (XLR) with +48V phantom power, enabling the use of condenser microphones for channel B. This is particularly useful for capturing the natural acoustic sound of an instrument. The INPUT for channel A is a low-noise, high-impedance instrument input, ideal for passive or active pickups.
A key feature is the FILTER section on each channel, which can be set to either High Pass (HP) or Notch mode. The High Pass filter helps to remove unwanted low-end rumble, while the Notch filter is invaluable for eliminating feedback frequencies. The TYPE switch determines the function of the filter knob, with HP being the default.
The BALANCED OUTPUT (XLR) provides a high-quality 'line box' signal, suitable for connecting directly to PA mixing consoles, studio recording units, or broadcast equipment. This output is designed with high noise immunity and is unaffected by the master volume knob, ensuring a consistent signal level to the front-of-house or recording engineer. An additional SIM switch allows for the engagement of an emulated speaker simulation on the balanced output, adding a cabinet-like character to the sound. The GND LIFT switch helps eliminate ground noise and hum by disconnecting the ground from the balanced output when needed.
For monitoring and practice, the preamp includes a PHONES output for silent practicing and an AUX IN for connecting external audio sources like an MP3 player. The volume for the headphones is controlled by the master knob, while the Aux In level should be adjusted at the source.
The TUNER OUT provides a convenient connection for an external tuner. This output is taken from the FX send and becomes active when the mute function is engaged, allowing for silent tuning.
An FX LOOP is also integrated, allowing users to insert external effects pedals in parallel mode. This loop uses a TRS cable, where the ring acts as the SEND and the tip as the RETURN, offering flexibility in effects routing.
The preamp is designed for intuitive and flexible use, catering to various performance and recording scenarios.
The EBS Stanley Clarke Preamp is built with professional-grade components, ensuring reliability and durability. While specific maintenance instructions are not detailed in the provided manual, general best practices for electronic devices apply:
The robust design and comprehensive feature set of the EBS Stanley Clarke Signature Acoustic Preamp make it a powerful tool for any acoustic musician seeking precise control over their sound and reliable performance in various professional environments.
| Type | Bass Amplifier |
|---|---|
| Solid State/Tube | Solid State |
| Number of Channels | 1 |
| Inputs | 1 x 1/4" |
| Effects Loop | Yes |
| Impedance | 4 ohms |
| Outputs | 1 x XLR |
| Footswitch I/O | Yes |
| Frequency Response | 20 Hz - 20 kHz |
| EQ | 4-band EQ with semi-parametric mid control |