Alpha Recording System Rotary DJ Mixer - MODEL1100B

The Alpha Recording System MODEL1100B is a high-quality 4-channel rotary DJ mixer designed for pro...

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Product Information

Full details

The Alpha Recording System MODEL1100B is a premium, professional-grade 4-channel rotary DJ mixer designed for audiophiles and club DJs who prioritize superior sound fidelity and tactile control. Handmade in Japan, it provides an unparalleled mixing experience through its unique 3-band hybrid iso-EQ and high-quality internal components, though its specialized rotary interface requires a period of adjustment for those accustomed to traditional line fader mixers.

All features

Model Part NumberMODEL1100B
BrandAlpha Recording System

Extended Product Information

FAQs

Is the MODEL1100B suitable for scratch DJs?

While technically possible, the rotary design is intended for long-blend mixing and sound sculpting rather than fast fader movements associated with scratching.

Does this mixer have an internal sound card?

No, the MODEL1100B is an analog rotary mixer designed to maintain the highest possible audio fidelity without digital conversion.

Can I use this with CDJs?

Yes, it supports line-level inputs, making it fully compatible with CDJs or other digital media players.

What does the 3-band hybrid iso-EQ do?

It provides a more precise and musical way to shape the frequency content of each channel compared to standard EQs.

How do I maintain the rotary knobs?

Keep the unit covered when not in use to prevent dust accumulation and avoid using sprays or cleaners directly on the knobs.

Is the power supply included?

Yes, the unit comes with the appropriate power cable for your region, designed to maintain stable voltage for the analog circuitry.

Troubleshooting

Humming or buzzing sound from turntable

Ensure the turntable ground wire is securely fastened to the mixer's ground terminal and verify cables are shielded.

Potentiometers feel stiff or scratchy

Ensure the unit is stored in a clean environment; persistent issues may require professional servicing to clear internal debris.

No sound from a specific channel

Check the rear input selector switch to ensure it is set to the correct source and verify the channel volume and EQ pots are not set to zero.

Pros and Cons

Pros

  • Exceptional build quality with premium Japanese craftsmanship
  • Superior sound fidelity for audiophile-level listening
  • Precise frequency control via the hybrid iso-EQ
  • Tactile and smooth rotary potentiometers for effortless mixing
  • Professional master isolator for creative master output manipulation

Cons

  • Steep learning curve compared to standard fader-based mixers
  • Premium price point reflecting high-end components
  • Requires more physical space for rotary knob adjustment
  • Less suitable for fast-paced scratch-style DJing

Setup, Compatibility & Care

To ensure peak performance, place the MODEL1100B on a stable, vibration-free surface. Connect your turntable or line-level source devices to the rear-panel inputs, ensuring proper grounding for vinyl decks to avoid hum. Because this unit features precision potentiometers, it is critical to keep the environment free of excessive dust and liquid. Clean the chassis with a dry, soft microfiber cloth and avoid using harsh chemical cleaners, as these can seep into the rotary knobs and degrade the electrical contacts inside. Always power on your output amplification last to prevent power-up pops from damaging your speakers.

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