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The PHONE-AMP G109-A was developped with the target to enable highest transmission quality
for low- , medium- and high-impedance headphones, as typical for most high-quality headsets.
The amplifiers of G109-A are preciously designed with four transistors per channel.
Due to its circuitry layout optimized in terms of noise and THD and specially adapted to the
headphones mentioned above, the PHONE-AMP G109-A fulfils highest quality demands.

Therefore the combination of following of features can only be found on Lake People amps:

Lowest noise
because of low internal gain.
Therefore the self generated noise from the amplifer is not audible.

Highest output voltage
through 60 Volt internal operating voltage.
Therefore best suited for high impedance headphones.
Over 90 % of all headphone amplifiers in the market offer not half that voltage !!

High output power
because of powerful amplifiers able to deliver much more current a headphone needs.
Therefore best suited for low impedance headphones and even magnetostatic cans !!

Highest damping factor
through lowest output impedance.
Therefore best suited for full control even over critical headphones with the garantee to have flatest possible response.

Some features:
 - Special front panel, gold silk screeneing, metalized feet
 - Unbalanced RCA style gold plated inputs
 - DC coupled amplifiers (switchable)
 - PRE-GAIN: Overall gain switchable in 3 steps
 - NF trammission band exceeds 150 kHz (-3dB)
 - High-grade volume control ALPS RK 27
 - Toroidal transformer, Low ESR Nichicon capacitors
 - Discrete amplifier design
 - Two headphone outputs
 - Outputs with relais controlled switch-on delay

The unbalanced inputs are situated on the rear panel.
Volume control is provided by a large full metal rotary knob.
Two headphones may be connected via 1/4" jacks on the front panel.
The unit offers a built-in power supply with IEC/CEE socket.  
The complete case, front and back panels are made of black anodizes aluminium.

PHONE-AMP G109-A (discontinued)

  • Technical Data

Technical Data

  Unbalanced inputs: 2 x Cinch (L / R) with priority
  Impedance: 10 kohms
  Amplifier Channels: 2 (Stereo)
  Nom. input level: + 6 dBu
  Amplifier Gain: +8 dB
  ... with PRE-GAIN: -4 / +8 / +14 dB
  Frequency range: 0 Hz ... 150 kHz (-3 dB)
  Slew Rate: > 8V / usec
  Dynamic range: > 129 dB (A-wtd)
  Noise: < -101 dBu (A-wtd)
  THD+N: < -100 dB @ 10V in 100 Ohms (1W)
< -100 dB @ 18V in 600 Ohms (5W)
  Crosstalk: < -110 / -100 dB (@ 1 / 15 kHz)
  Max. output level: > 18.8 Veff in 600 ohms = 590 mW
    > 13.8 Veff in 100 ohms = 1900 mW
    > 10.7 Veff in 50 ohms = 2300 mW
    > 7.8 Veff in 50 ohms = 1900 mW
    > 3.7 Veff in 16 ohms = 410 mW
  Outputs: 2 x 1/4" phone jacks
  Power supply: 230 / 115 V AC 8 VA
  Dimensions: 168 x 49 x 145 mm (W x H x D)
  Case Material: Black anodized aluminium

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