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Top Italian session bassist Paolo Costa (Alejandro Sanz, Sergio Mendes, Laura Pausini) teamed up with Markbass to design the Studio Pre, a high-quality bass preamp ideal for both studio and live applications. It's an excellent studio tool for recording bassists, combining two channels: CLEAN and AMP. CLEAN is a pristine direct channel which features a pure parametric filter EQ for fine-tuning your sound to perfection. The AMP channel provides three types of distortion (two tube-driven and one solid state) to mix in with the clean channel. To better personalize your sound, there are two more EQ controls, Variable Pre-shape Filter (VPF) and high-pass filter (so you can apply distortion to only the high end), and push-pull knobs give you the ability to store your distortion settings. The professional compressor on the amp channel helps you tame the edges. The preamp's back-end offers three balanced XLR outputs so you can record each channel separately or together. The Studio Pre is an indispensable addition to any recording bassist's gear arsenal.

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Markbass Studio Pre Bass Preamp Features:

Designed by Markbass and top studio session bassist Paolo Costa
Combines two channels: CLEAN and AMP
CLEAN is direct channel with parametric filter EQ
AMP channel has 3 types of distortion (2 tube-driven, 1 solid state)
Variable Pre-shape Filter
High-pass filter
Push-pull knobs for storing distortion settings
Pro compressor on the amp channel
3 balanced XLR outputs for recording channels separately or together
1/4" input jack works with both passive and active basses
Gain knob for input
Ground lift switches for eliminating hum for both AMP and CLEAN
channels as well as out for output
Tuner out sends unbalanced signal sent to a tuner, amp or recording equipment not needing a balanced signal
Send and Return Effect ensures main signal continues even if something dies in your effects chain
Dual-sided fiberglass PC boards with lined perforations for high-quality solder connections
Surface-mount components are silicon-sealed to isolate vibrations
Computer-grade pre-assembled ribbon connector cable harnesses and ribbons for noise-free operation
Integrated threaded posts for easy assembly/disassembly and added durability
Rigid 2mm thick aluminium chassis for a long-lasting finish

Markbass Studio Pre Bass Preamp Specifications:

Power
Input impedance: 500Kohm, max. voltage: 10 Vpp
Power consumption: 60W
Voltage is factory preset for the U.S.

Other
Dimensions: 14.5"(W) x 3.39"(W) x 11.9"(D)
2U tall
19" wide with rack ears
Weight: 5.9 lbs.

Clean Channel
GAIN SECTION
Tube: 1 x ECC83S, gain: 50dB
SEND/RETURN SECTION
Return impedance: 50Kohms
Send output impedance: 1 Kohms
Effect loop type: parallel
PURE PARAMETRIC FILTER SECTION
Frequency range: 60Hz — 2kHz
Level: +/- 16dB
Q: 0.5 - 8
EQ SECTION
Center frequency: 100Hz (low), 800Hz (mid), 4kHz (high), +/- 16dB

Amp Channel
AMP 1:
Tube: 2x ECC83S
AMP 2
Tube: 1x ECC83S
AMP 3
Solid state
COMPRESSOR
On/off switch on front panel
EQ SECTION
Center frequency: 100Hz(low), 4kHz(high), +/- 16dB
FILTERS
VPF (Variable Pre-shape Filter, 380Hz cut); High-pass filter (20Hz — 1kHz, -3dB)

Outputs
AMP LINE OUT
Balanced XLR, max. voltage 10 Vpp
CLEAN LINE OUT
Balanced XLR, max. voltage 10 Vpp
MIX LINE OUT
Balanced XLR, max. voltage 10 Vpp
Unalanced 1/4", max. voltage 2.5 Vpp
TUNER OUT
Unalanced 1/4", max. voltage 2.5 Vpp
FOOTSWITCH
Amp channel (on/off)/Pure Parametric Filter (on/off)