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Cranborne Audio Camden EC2 Preamps
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Cranborne Audio Camden EC2

€1,288.00
€1,204.00 -7%
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Lowest price within the last 30 days: €1,204.00

Two-channel preamp, signal processor, and dual headphone mixer

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Cranborne Audio Camden EC2

 

High-quality preamplifier in a 1U rack

Camden EC2 is a two-channel microphone preamplifier in a 19” rack format with the same circuitry as the renowned Camden 500, analog ‘mojo’ saturation circuits, and two high-quality headphone amps that can also monitor the two auxiliary line inputs for zero-latency listening.

Award-winning sound pedigree

Thanks to two separate preamps with “Camden” technology, developed for the Camden 500, the Camden EC2 offers incredible performance, low background noise, and minimal harmonic distortion, as well as unparalleled linearity (in frequency response and phase) at any gain setting. The result is -129.8dB EIN (150ohm), THD+N 0.0002%, frequency response of ±0.7dB from 5Hz to 200kHz at gain and <2° phase shift @ 20Hz – 20kHz.

Vintage personality

By inserting our custom analog saturation circuit called “Mojo,” the Camden EC2 is able to emulate the sound of famous British preamps (and their beloved transformers). Bypassing the “Mojo” circuit, it can be an incredibly clean and natural instrument. Using the preamps in “Line” mode, the Mojo saturation circuit can apply vintage coloration to your stems and even stereo mixes.

Dual-channel preamplification and D.I. for instruments

Thanks to a transformerless topology and a 68.5dB gain stage, the Camden EC2 delivers incredible performance in terms of background noise, distortion, frequency response, and phase with any gain setting (12 steps). Each preamp channel of the EC2 has an input impedance and headroom tailored to microphone, line, and high-impedance sources, thanks to a 3-position switch on each channel.

Dual headphone mixer

Two reference-quality headphone amps with discrete line mixers allow direct monitoring of both Camden preamps using headphones connected to the front panel of the Camden EC2.

You can listen to the preamps while positioning microphones to find the sweet spot of a guitar cabinet, speaker, or acoustic instrument; or you can configure them to create a completely analog, zero-latency monitor mix by combining the Camden preamps with playback from an external source via the Aux Inputs on the rear panel.

Technical Specifications

Preamplifier

  • Test signal path
  • APx555 (line output) - Input 1 - Line output - APx555 (line input)

Input impedance

  • Microphone = 8.9 kOhm 48 V disabled, 5.4 kOhm 48 V enabled,
  • Line = 24.3 kOhm,
  • Hi-Z= 1.5 MOhm unbalanced, 3 MOhm balanced
  • Maximum input level
  • Microphone = +17.6 dBu (<0.003% THD),
  • Line = +26.5 dBu (<0.02% THD),
  • Hi-Z = +24 dBu (<0.02% THD)
  • Minimum gain
  • Microphone = 8 dB, Line = 0 dB, Hi-Z = 3 dB

Maximum gain

  • Microphone = 68 dB, Line = 60 dB, Hi-Z = 63 dB
  • Equivalent input noise (EIN)
  • <-129.5 dBu (150 Ohm source, unweighted), 
  • <-131 dBu (150 Ohm source, A-weighted), 
  • <-135.5 dBu (common inputs, unweighted)

Frequency response

  • ±0.7 dB (<1 Hz to >1000 kHz, minimum gain),
  • ±0.7 dB (<1 Hz to >1000 kHz, gain 35 dB),
  • ±1 dB (<1.5 Hz to 900 kHz, gain 63 dB),
  • ±1 dB (<5 Hz to >200 kHz, maximum gain)

Phase shift

  • <2.75° (from 20 Hz to 20 kHz, gain 40 dB),
  • <4° (from 20 Hz to 20 kHz, gain 63 dB),
  • <6° (from 20 Hz to 20 kHz, maximum gain)

THD+N

  • <0.00025% (1 kHz, gain 35 dB, output +24 dBu)

Intermodulation distortion

  • <0.0006% (50 Hz and 7 kHz, gain 35 dB, output +20 dBu),
  • <0.0005% (50 Hz and 7 kHz, gain 35 dB, output +15 dBu)
  • High-pass filter (HPF)
  • 80 Hz, -3 dB, 12 dB/octave
  • CMR >70 dB, typical >85 dB, gain 35 dB, 10-20 kHz, 100 mV in common mode

Response speed

  • 20 V/uS, gain 35 dB, output +25 dBu
  • LED thresholds 48 V
  • Off = 48 V off, voltage completely discharged
  • Orange = 48 V voltage charging/discharging
  • Red = 48 V fully charged
  • Signal LED thresholds
  • Blue = -20 dBu
  • Green = -12 dBu
  • Amber = +21 dBu
  • Red = +24 dBu
  • Maximum output level
  • Balanced XLR = +27.5 dBu (<0.002% THD, gain 30 dB) 
  • Balanced ¼” jack impedance = +21.5 dBu (<0.002% THD, gain 30 dB)
  • Output impedance
  • Balanced XLR = 150 Ohms
  • Impedance Balanced ¼“ jack = 150 Ohms balanced, 75 Ohms unbalanced
  • Maximum output level of connection
  • Impedance Balanced ¼” jack = +21.8 dBu (<0.006% THD)
  • Output impedance of connection
  • Balanced 1/4” jack impedance = 75 ohms unbalanced, 150 ohms balanced (buffered output)
  • Headphone amplifier
  • Test signal path
  • APx555 (line output) - AUX input - Headphone output - APx555 (line input)

Frequency response

  • -1dB, from <1Hz to >70kHz
  • THD
  • <0.0006% (-104.4 dB) @ +20 dBu, 1 kHz, A-weighted, 300 Ohm load
  • THD+N
  • <0.00085% (-101.4 dB) @ +20 dBu, 1 kHz, A-weighted, 300 Ohm load

Output impedance

  • 0.33 Ohm
  • Output power
  • 250 mW x 2 @ 600 Ohm, 1 kHz
  • 650 mW x 2 @ 220 Ohms, 1 kHz
  • 1.21 W x 2 @ 100 Ohms, 1 kHz
  • 500 mW x 2 @ 32 Ohms, 1 kHz
  • Dynamic range
  • 114.5 dB A-weighted, AES17 method, 20 Hz - 20 kHz, 300 Ohm load
  • Noise floor
  • -93.5 dBu A-weighted, 20 Hz - 20 kHz, 300 Ohm load

Power

  • AC requirements
  • 100 V – 240 V AC, 50 – 60 Hz
  • Total power consumption 24 V, 1.25 A DC, 30 W
  • Environment
  • Operating temperature
  • +1 to 35 degrees Celsius
  • Storage conditions
  • -20 to 50 degrees Celsius

Dimensions/Weight

  • Unit
  • Width
  • 481 mm (19“) (rack mount)
  • Height
  • 44.45 mm (1.75”) (1u)
  • Depth
  • 240 mm (9.5")
  • Unit weight
  • 2.8 kg (6.2 lb)
  • Carton weight
  • 4.1 kg (9 lb)

CA-CAMDENEC2

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