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Manley Labs Absolute Headphone Amplifier in Black

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Rp 65.042.400

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Manley Labs Absolute Headphone Amplifier in Black

Manley Labs is proud to announce the release of a stunning design: the Absolute Headphone Amplifier. Brimming with functionality, this new art piece from Manley Labs is as enthralling musically as it is handsome visually.

With over three years of development in its creation, Manley has drawn from its 30 years of experience in conceptualizing and developing each precise element of this multi-talented unit. This masterpiece embodies high-performance flexibility for every person to be able to custom compose sonic performance reliably, repeatedly, or even spontaneously. Artistic expression with sound!

Oh, and by the way, it is also a Line-Level Preamplifier!

DETAILS

There are fifteen independent controls available, each of which was exhaustively developed for convenient adjustability and aural variety. Two selectable stereo RCA jack pairs receive the input signals. Even these RCA jacks are of our own design. Teflon® insulated and gold plated, we have been producing these excellent RCA jacks since the mid-1990s. The volume is controlled on the facia by the sexy front thumb wheel and also by the included Radio Frequency remote control, both of which operate a precision stepped relay ladder matrix attenuator in half dB steps. The RF remote can be operated anywhere in the home, even through walls or cabinetry, especially useful when using the unit as a stand-alone preamplifier. Next to the front volume control wheel you’ll find the Mute switch to instantly kill the signal. Spinning the volume wheel all the way to minimum also mutes the signal. There is also a user adjustable Headphone Overload Protection System which declares maximum output level to protect precious headphones and your ears!

And you know how maddening it is to try to listen to a mono LP record on headphones – which is why we have provided a MONO switch!

SPECIFICATIONS

Amplifier Topology:
Triode Vacuum Tube Output Stage, Switchable Topology Single-Ended or Push-Pull

Vacuum Tubes:
2 x 12AX7 (ECC83), 4 x 6AQ5A (EL90)

Inputs:
2 x RCA (Input 1 & Preamp Output = Pass-Thru when amplifier is in Standby or Off)

Input Impedance:
50 kOhms (Pass-Thru= 300 kOhms)

Maximum Input Level:
7.7 VAC RMS ( 20 dBu)
(Conditions: XLR output, PP mode, 16 ohm load, VOLUME max, EQ out, 1kHz sine wave)

Gain:
Load 16 ohm: 12 dB (Min FB), 3 dB (Max FB)
Load 62 ohm: 17 dB (Min FB), 8 dB (Max FB)
Load 200 ohm: 22 dB (Min FB), 13 dB (Max FB)
(Conditions: XLR output, PP mode, VOLUME Max, EQ out, 1kHz sine wave)

Input Sensitivity:
600 mV AC RMS for an output of 100 mW
1.9 VAC RMS for an output of 1W
(Conditions: XLR output, PP mode, FB 12:00 o’clock, 16 ohm load, 1kHz sine wave, VOLUME max, EQ out)

Volume Control:
– Precision Stepped Relay Attenuator 0.5dB per step
– 63dB total attenuation – Volume setting to minimum = MUTE

Outputs (transformer coupled):
1 pair RCA- Unbalanced (Preamp Output)
1 x TRS ¼” JACK – Unbalanced
1 x 4 PIN XLR- Balanced

XLR-pin outs – (Left Channel Pin 1= Signal ( ), Pin 2= Signal (-), Right Channel Pin 3= Signal ( ), Pin 4= Signal (-))

Output Impedance:
Switchable: Low 12-50 Ohm, Mid 50-200 Ohm, High 200-600 Ohms

Maximum Output Power = 1W into 12 Ohms BW 22Hz-22kHz

 

Variable Feedback Control (FB):
MIN 0dB
MAX 10dB
(Conditions: BAL output, PP mode, 16 ohm load, VOLUME max, EQ out)

Signal to Noise Ratio:
83 dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz)
(Conditions: BAL output, PP mode, FB 12:00 o’clock, 16 ohm load, VOLUME max, EQ out)

Noise Floor:
-80 dBu BW 22Hz-22kHz
-85 dBu  A-Weighted
(Conditions: BAL output, PP mode, FB 12:00 o’clock, 16 ohm load, VOLUME MAX, EQ out)

Channel Crosstalk:
-71 dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz) Left Channel
-72 dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz) Right Channel
(Conditions: BAL output, PP mode, FB 12:00 o’clock, 16 ohm load, EQ out)

Balance Control Channel attenuation:
Left Channel= 72dB (1kHz sine wave, 100mW output, BW 22Hz-22kHz)
Right Channel= 72dB (1kHz tone, 100mW output, BW 22Hz-22kHz)
(Conditions: BAL output, PP mode, FB Min, 16 ohm load, EQ out)

Frequency Response:
Push-Pull= Flat 10Hz – 20 kHz (-1dB @ 40 kHz)
Single-Ended= 20Hz – 20 kHz (-0.5dB @ 10Hz, -1dB @ 50 kHz)
(Conditions: BAL output, 100mW output, FB @ 12:00 o’clock, 16 ohm load, EQ out)

Distortion:
Push-Pull= 0.16% THD N (BW 20Hz-22kHz)
Single-Ended= 1.0% THD N (BW 20Hz-22kHz)
(Conditions: BAL output, PP mode, 1 kHz sine, 100mW output, FB @ 12:00 o’clock, 16 ohm load, EQ out)

  • Supplied with Remora RF remote control
  • Soft Start, 30 second mute-controlled power-up sequence
  • Operating Mains Voltage: 90-250 VAC, 50-60Hz, universal works worldwide
  • Unit Dimensions: 11.5 x 5.5 x 8.2” (LxWxH)
  • Unit Weight: 12 lbs
  • Shipping Weight = 13.5 lbs
  • Packing Carton Dimensions: 17 x 11 x 15”
  • Power consumption STANDBY mode = 0.5W, Max Power = 80W
  • Heat Rise above ambient temperature at rear panel: 25ºC or 44ºF
  • Heat Rise above ambient temperature at side panels: 15ºC or 26ºF
Berat 8 kg