• Pentode valve mic pre or alternative class A mic pre two completely different sounds.
• Variable Hi-pass filter 25Hz to 1kHz
• Highly Response Noise Gate
• De-esser with frequency, bandwidth and depth control
• Valve compressor or optical compressor
• 4-Band valve equaliser switchable Pre Compresor
• Optical Brickwall Limiter
• Link facility for stereo operation
• Optical Digital Card for simultanous AES, SPDIF plus Optical outputs upto 24bit 96kHz with wordclock input for external lock.
• 7 Tube stages through the unit
• On/Bypass switches for each processor
• The VP-1 is the complete analogue processing solution and is packed with extra features including :
• Valve and class A preamp stages
• Valve and optical compression circuits
• Expander/gate
• High quality de-esser
• Optical peak limiter
• Optional 24/96 digital output

In recent years, the analogue voice processor has become an indispensable direct link between microphone and multitrack recorder, enabling engineers to capture the highest quality vocal sound on tape or hard disc - without the compromises in sound quality that most mixing consoles impose. Going straight to multitrack through a well designed voice processor has unlocked the true potential of microphones and transformed the sound of modern vocal recordings. At TL Audio we?ve long recognised the benefits of this approach, having included high quality mic preamps on every Valve Classics product since the original EQ-1 Dual Valve Equaliser was launched in 1993. The new VP-1 is the latest addition to the Valve Classics range, and combines all the best elements of the PA-1 pentode preamp, C-1 compressor and EQ-2 parametric equaliser to create a truly flexible and spectacular sounding valve front end for any audio system.

7 Valve Stages

The VP-1 features seven valve stages, run from a stabilised 250v DC supply. The first stage is a Siemens EF86 pentode in the front end of the preamp, followed by six Sovtek ECC83/12AX7A stages - one in the secondary stage of the preamp, one in the compressor and four in the EQ section.

Specifications

• Preamp
  • Input gain: variable between +5dB and +65dB (including +/-15dB trim)
  • Variable high pass filter: 25Hz to 1kHz (12dB/octave)
• Expander/Gate
  • Threshold: variable between -40dBu and -10dBu
  • Attack: variable between 0.5mS and 10mS
  • Release: variable between 30mS and 300mS
• De-esser
  • Depth: variable between 0 and +20dB
  • Frequency: variable between 700Hz and 7kHz
  • Bandwidth: variable between 'narrow' and 'wide'
• Compressor
  • Threshold: variable between -20dB and +20dB
  • Ratio: variable between 1:1.5 and 1:30
  • Attack: variable between 0.5mS and 50mS
  • Release: variable between 40mS and 4S
  • Gain Make-Up: variable between 0 and +20dB
• Equaliser
  • LF band: +/-15dB shelving @ 60Hz, 120Hz, 250Hz and 500Hz (12dB/octave)
  • LM band: +/-15dB parametric, variable between 30Hz and 3kHz (Q variable between 0.7 and 7.0)
  • HM band: +/-15dB parametric, variable between 1kHz and 18kHz (Q variable between 0.7 and 7.0)
  • HF band: +/-15dB shelving @ 2.2kHz, 5kHz, 8kHz and 12kHz (12dB/octave)
• Limiter
  • Peak Threshold: variable between 0 and 20dB
  • Digital Output (optional)
  • Bit rate: 16, 20 or 24 bit
  • Sample rate: 44.1, 48, 88.2 or 96kHz
  • AES/EBU, SPDIF and optical outputs, Wordclock input
• Connections
  • Mic input: Balanced XLR
  • Line input: Balanced XLR (+4dBu), Unbalanced jack (-10dBu)
  • Insert point (post preamp): Unbalanced jack (tip=send, ring=return)
  • Sidechain insert: Unbalanced jack (tip=send, ring=return)
  • Stereo link: Unbalanced jack
  • Line output: Balanced XLR (+4dBu),Unbalanced jack (-10dBu)
  • AES/EBU output (optional): XLR
  • SPDIF output (optional): RCA phono
  • Optical output (optional): Toslink
• Power: 110-120V or 220-240V AC @ 35VA

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