The popular TA501 amp head helps smooth out your sound with a high-quality onboard tube compressor, featuring a JJ Electronics ECC81 tube. Tone-wise, your sound is warmed up by the tube even when the compressor is off. It also includes foot-switchable mute-to-tune, an EQ bypass, ground lift to eliminate hum, exclusive Markbass' VLE (Vintage Loudspeaker Emulator) and VPF (Variable Pre-shape Filter) filters, and high-quality Neutrik Speakon Combo out jacks for use with 1/4" or Speakon speaker cables.

Markbass TA501 500W Bass Head Features:

• Bass amplifier with tube compressor, solid state preamp and analog power amp
• Provides 300W RMS at 8 ohm, 500W RMS at 4 ohm
• 1/4" input jack works with active or passive basses
• Gain and Master volume controls
• Clip warning light
• Tube compressor with JJ Electronics' ECC81 tube
• Comp ratio tube to control gain reduction applied to the signal which works like a limiter
• Neutrik Speakon Combo out jacks for use with 1/4" or Speakon speaker cables
• Balanced XLR out
• Line out knob controls the volume level of the Line out XLR
• EQ includes controls for Low, Mid Frequency Low, High Frequency Low, and High
• Mid Frequency High and Low level controls for deciding how much frequency area will be affected
• VLE (Vintage Loudspeaker Emulator) and VPF (Variable Pre-shape Filter) filters
• Pre EQ/Post EQ switch to determine whether the output signal is effected by the EQ settings or not
• Ground lift switch to eliminate hum
• 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

Another quality Markbass amp head for improving your bass sound. Click or call to order one today.

Markbass TA501 500W Bass Head Specifications:

• Power
• Input impedance: 500Kohm, max. voltage: 9 Vpp
  
  Effect Return impedance: 33Kohm, max. voltage: 12 Vpp
• Output Power: 300W RMS at 8 ohm, 500W RMS at 4 ohm
• Power Requirement: Voltage is factory preset for the U.S.
  
  Controls
• GAIN: —80dB to +25dB range
• GROUND LIFT: Switch on rear panel
• MASTER VOLUME
• LINE OUT: level control on front panel
• PRE/POST EQ (for line out): switch on rear panel
• COMPRESSION RATIO: 1:1 (off) to infinity:1 (limiter)
• FOOTSWITCH: mute; EQ bypass
  
  Equalization
• LOW
• Center frequency: 40Hz; level ±16dB
• LOW MID
• Center frequency 100-800Hz, level ±16dB
• HIGH MID
• Center frequency 700Hz-6kHz, level ±16dB
• HIGH
• 10kHz shelf; level ±16dB
• VPF (Variable Pre-shape Filter)
• center frequency 380Hz (cut)
• VLE (Vintage Loudspeaker Emulator)
• 250Hz — 20 kHz cut
  
  Outputs
• EFFECT SEND
• Unbalanced, max. voltage 12 Vpp (pre-EQ)
• TUNER OUT
• Unbalanced, max. voltage 2 Vpp
• LINE OUT
• Balanced XLR, max. voltage 25 Vpp
• SPEAKER OUT
• Speakon, 1/4"
  
  Other
• Dimensions: 14.5"(W) x 3.39"(H) x 11.89"(D)
• With rack ears: 19"W
• 2U High
• Weight: 7.5 lbs.
• COMPRESSOR TUBE
• 1 x EECC81 (JJ Electronic)