Preamps

SPL Pre One, dual microphone preamp, heir to the Channel One Mk3, with a Hi-Z instrument input. Discrete technology for transparent and detailed sound.

ARTICLE N° 99377
  • SPL Pre One
  • Manufacturer reference: 1907
  • Technical characteristics:
  • Analog inputs and outputs: XLR (balanced) & Jack (balanced)
  • Maximum output gain: +22 dBu
  • Maximum input gain (Mic, +8 dB): +13.5 dBu
  • Maximum input gain (Inst, -6 dB): +23.5 dBu
  • Input impedance (Mic): 10 kΩ
  • Input impedance (Line): 1.1 MΩ
  • Output impedance: 75 Ω
  • Frequency range: 10 Hz – 200 kHz
  • Equivalent input noise (EIN): 126 dBu
  • Noise (A-weighted, Mic Preamp, 150 Ω, 30 dB Gain): -95 dBu
  • Noise (A-weighted, Mic Preamp, 150 Ω, 62 dB Gain): -68 dBu
  • Common Mode Rejection (Mic, 1 kHz): > 75 dB
  • Total Harmonic Distortion + Noise (THD+N, 1 kHz):
  • Mic Gain 30 dB: 0.003 %
  • Mic Gain 62 dB (Max): 0.018 %
  • Signal LED: -25 dBu
  • Dynamic Range: 117 dB
  • Internal Linear Power Supply with Toroidal Transformer
  • Operating Voltage for Analog Audio: +/- 17 V
  • Operating Voltage for Relays and LEDs: +/- 12 V
  • Phantom Power: +48 V
  • Mains Power Supply:
  • Plug-in Power Supply: Input 100 V – 240 V AC, 50/60 Hz; 12 V DC output
  • Maximum consumption: 7 VA
  • Dimensions and weight:
  • Dimensions (W x H x D): 210 x 49.6 x 220 mm
  • Unit weight: 1.5 kg
  • Shipping weight: 2 kg
SPL Pre One: The Versatile Microphone Preamp with Transparent Sound

The SPL Pre One is a high-end two-channel microphone preamplifier, designed to deliver exceptional sound quality in a compact and elegant format. It is part of the SPL line of products, renowned for their reliability and transparent sound.

Discrete technology for pure sound

Like its big brother, the Channel One Mk3, the Pre One uses fully discrete technology. This design, based on individual transistors, guarantees a pure and transparent audio signal, without the sonic coloration often associated with integrated circuits.

Versatility and ease of use
The Pre One is not limited to microphones. Thanks to its Hi-Z instrument input, it can also directly accommodate instruments such as electric guitars, basses or keyboards. Its simple and intuitive user interface facilitates its integration into any type of studio setup.

German manufacturing and SPL heritage
Made in Germany, the Pre One benefits from the know-how of SPL, a brand renowned for its high-quality professional audio products. It is inspired by the famous Channel One Mk3, while bringing improvements and new features to meet the needs of modern musicians and sound engineers.
Canals
 2
Integrated AN/NA converter
 No
Compressor / limiter
 No
Phantom power
 Yes
Power supply
 Power adapter (included)
Phase opposition
 Yes
De-esser
 No
Micro input
 2
Instrument input
 Yes
Audio outputs
 Jack
Vu-meter
 No
Analog input
 3
Weight
 1,2 kg
Key Points:
- Discrete Technology: Like the Channel One Mk3, the Pre One uses a completely discrete design, ensuring exceptional and transparent sound quality.
- Versatility: In addition to the mic input, the Pre One features a Hi-Z instrument input, allowing you to directly connect instruments such as electric guitars.
- Ease of Use: The user interface is intuitive and minimalistic, making it easy to use in a studio environment.
- German Made: The Pre One is designed and manufactured in Germany, synonymous with quality and reliability.
Channel One Mk3 Legacy: The Pre One builds on the popular Channel One Mk3, while adding improvements and new features.