Source Audio SA 272 ZIO Analog Bass Preamp

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Source Audio SA 272 ZIO Analog Bass Preamp

Source Audio

SA 272 ZIO Analog Bass Preamp

4.8 Expert Rating

Product Info

Article Number: 583429
Model: SA 272 ZIO Analog Bass Preamp
Category: Bass Pedals
Price: $273.90

* Prices may vary. Check retailer for current pricing and availability.

The ZIO is a seriously clean and versatile preamp. It's fantastic for players wanting a high-quality DI signal and a bit of extra grit without the muddy low-end you often get. This is a great choice for session players and gigging bassists who need a reliable, focused tone.

Product Description

  • Source Audio SA 272 ZIO Analog Bass Preamp
  • Bass Preamp and DI Effect Pedal
  • Preamp with extremely low noise floor and minimal distortion
  • Full tone control with focus high-pass filter
  • Grit and scoop modes for additional sound character options
  • The output control enables an overall gain of +16 dB and a cut of -6 dB
  • High-quality components and Burr Brown JFET operational amplifier
  • Active Analogue Buffered Bypass
  • Controls for output
  • bass and treble
  • Bypass footswitch
  • Status LED
  • Brushed
  • anodised aluminium housing
  • Input and output: 6.3 mm mono jack
  • Direct output: XLR with optional ground lift
  • Headphone output with direct monitoring
  • Power supply with optional 9 V DC power supply unit (not included)
  • 2.1 x 5.5 mm barrel connector
  • centre negative
  • Power consumption: 200 mA
  • Dimensions (L x W x H): 108 x 89 x 57 mm
  • Weight: 285 g

*Note:* Battery operation is not supported

PROS
  • • Burr Brown JFET op-amp delivers exceptional clarity and headroom.
  • • Anodized aluminum housing provides robust durability and a premium feel.
  • • Flexible tone controls, including a high-pass filter, shape bass tones precisely.
  • • XLR DI output with ground lift is a huge boon for live performance and recording.
CONS
  • • Power supply not included, adding to the overall investment.
  • • Relatively compact size might feel cramped for players with larger feet.
  • • Limited onboard presets; best suited for players who dial in and commit.

Product Video

Key Features

Effect Type Analog Bass Preamp & DI
Controls Output, Bass, Treble, Grit/Scoop selector
Bypass Type Active Buffered Bypass
Power Supply 9V DC (200mA, 2.1mm barrel connector, center negative - not included)
Connections 6.3mm Mono Jack (Input/Output), XLR (Direct Output with Ground Lift), 6.3mm Headphone Output
Dimensions 139.7mm x 95.3mm x 63.5mm

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Frequently Asked Questions

The ZIO offers a similar clean headroom and tonal shaping, but lacks the DB 925's extensive EQ options. It's a more streamlined, budget-friendly alternative with a more modern, focused sound.
The headphone output is surprisingly good, providing a balanced and clear signal for monitoring. While not a replacement for studio-grade headphones, it's perfectly usable for gigging and practice.
The 'Grit' mode adds a tasteful amount of harmonic richness, not full-blown distortion. It's more about adding character and sustain than a heavily overdriven sound.

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