SAMSON S-PHONE Headphone amplifier 4 channel

Discontinued

187.65 incl. GR VAT

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The S phone is a versatile single rack space four channel headphone amplifier, loaded with advanced features that provide tremendous flexibility for monitor and cue mixing. The Master Input features an input level and LED meter to control and display the overall stereo input. Each of S phone’s four channels includes three Headphone Outputs with […]

 

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The S phone is a versatile single rack space four channel headphone amplifier, loaded with
advanced features that provide tremendous flexibility for monitor and cue mixing. The Master
Input features an input level and LED meter to control and display the overall stereo input.
Each of S phone’s four channels includes three Headphone Outputs with an overall Volume
control and individual Level meters. A convenient Stereo Auxiliary input is available on each
channel so that individual line signals from direct or buss outputs can be mixed with the main
stereo input. The Balance control adjusts the ratio of the Main and Auxiliary signal or the left
to right balance (based on the setting of the ST/2CH switch) so that each headphone mix can
be further tailored for a particular listener’s individual needs (“More Me“).
For greater sonic control, S phone also features a 2-band equalizer on each of the four channels.
A master Stereo Aux input on the front panel is also supplied for inserting a second signal to all
headphones. 
 
FEATURES:

Four Channel Headphone Mixer/Amplifier
Two Master Stereo Inputs plus Stereo Link Output
8 Segment LED Metering on Each Channel and Master
Two Band Equalizer on Each Channel
Three Headphone Outputs per Channel (One Front Panel and Two Rear Panel Outputs)
Auxiliary Input with Balance Control provides four Channels of “More Me” Mixing
Mute and Stereo/2 Channel Mode Switches on Each Channel
Maximum Output Power on Each Channel (Regardless of Headphone Impedance)
Three-year Extended Warranty 

Weight 3.60 kg

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Quick Comparison

SAMSON S-PHONE Headphone amplifier 4 channel removeART HEADAMP 4 OUTPUT STEREO HEADPHONE AMP removeSennheiser HDVD 800 Headphones Amplifier removeLD Systems HPA 1 - Amplifier for headphones and wired IEM In-Ear-Monitoring removePalmer Pro MONICON W - Passive Monitor Controller white Limited Edition removePALMER PHDA02 Pro PHDA 02 - Reference Class Headphone Amplifier - 1-channel remove
NameSAMSON S-PHONE Headphone amplifier 4 channel removeART HEADAMP 4 OUTPUT STEREO HEADPHONE AMP removeSennheiser HDVD 800 Headphones Amplifier removeLD Systems HPA 1 - Amplifier for headphones and wired IEM In-Ear-Monitoring removePalmer Pro MONICON W - Passive Monitor Controller white Limited Edition removePALMER PHDA02 Pro PHDA 02 - Reference Class Headphone Amplifier - 1-channel remove
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SKUS-PHONEAT/EM/000036S07SE00312LDHPA1PMONICONWPHDA02
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Price 187.65 incl. GR VAT 97.00 incl. GR VAT 1,999.00 incl. GR VAT 119.95 incl. GR VAT 75.00 incl. GR VAT 353.91 incl. GR VAT
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Description
Content

The S phone is a versatile single rack space four channel headphone amplifier, loaded with
advanced features that provide tremendous flexibility for monitor and cue mixing. The Master
Input features an input level and LED meter to control and display the overall stereo input.
Each of S phone's four channels includes three Headphone Outputs with an overall Volume
control and individual Level meters. A convenient Stereo Auxiliary input is available on each
channel so that individual line signals from direct or buss outputs can be mixed with the main
stereo input. The Balance control adjusts the ratio of the Main and Auxiliary signal or the left
to right balance (based on the setting of the ST/2CH switch) so that each headphone mix can
be further tailored for a particular listener's individual needs (“More Me“).
For greater sonic control, S phone also features a 2-band equalizer on each of the four channels.
A master Stereo Aux input on the front panel is also supplied for inserting a second signal to all
headphones. 
 
FEATURES:

Four Channel Headphone Mixer/Amplifier
Two Master Stereo Inputs plus Stereo Link Output
8 Segment LED Metering on Each Channel and Master
Two Band Equalizer on Each Channel
Three Headphone Outputs per Channel (One Front Panel and Two Rear Panel Outputs)
Auxiliary Input with Balance Control provides four Channels of "More Me" Mixing
Mute and Stereo/2 Channel Mode Switches on Each Channel
Maximum Output Power on Each Channel (Regardless of Headphone Impedance)
Three-year Extended Warranty 

HeadAMP - Four Output Stereo Headphone Amp Overview

Most home recordings involve from one to four people, any or all of whom are
going to need headphone monitoring. The monitor amp would be connected
to the tape deck?s headphone output or a mixer output so that the performers
can hear themselves and each other. Of course the same application can apply
to band rehearsals and even home entertainment. HeadAMP provides amplification
and individual volume control for up to 4 headsets. It can be driven by either line-
level or headphone amplifier signals (mono or stereo).

HeadAMP - Four Output Stereo Headphone Amp Specifications:

Signal To Noise Ratio >90dB
IMD (SMPTE) 0.01%
Maximum Input Level +14dBV
Maximum Output Level 20dB per channel
Output Impedance 51 Ohms per channel
Output Connectors Four stereo 1/4? headphone outputs
Power Requirements 12V DC (Adapter included) 
Total Harmonic Distortion

Overview

With Sennheiserʼs HDVD 800, sound is perfect. The HDVD 800 is able to connect with digital sources and is equipped with a high-quality Burr-Brown digital/analog converter (DAC) that converts digital audio data into analog signals with a resolution of 24 bits and a sampling rate of up to 192 kHz. This enables the HDVD 800 to transmit the entire frequency spectrum of high-end audio sources without any loss of frequencies.

In addition to the symmetrical inputs, the HDVD 800 also has an asymmetrical input socket; incoming signals are symmetrized before further processing takes place. Digital sources can be connected to the rear of the unit via an XLR (AES/EBU) input, optical and coaxial (S/PDIF) digital inputs or USB. All digital inputs accept signals up to 24 bit at 192 KHz*. Designed and manufactured in Germany, this high-end, solid-state amplifier harmonize perfectly and deliver an ultimate acoustic performance when paired with any of Sennheiserʼs audiophile headphones.

Features
D/A transducer for all common formats up to 24 bit / 192 kHz
D/A transducer can be used for CD and DVD players
AES/BU, S/PDIF, USB inputs
Symmetrical (XLR) and asymmetrical (RCA) analog inputs
Symmetrical output
Sockets for four sets of headphones (two of which symmetrical)

The LD Systems HPA 1 is a versatile headphone amplifier with high power output for stage, studio and home recording and is the perfect solution for wired in-ear-monitoring.. The compact device in a rugged, ergonomically shaped plastic housing with soft-touch surface and practical belt clip is very extensively equipped. In addition to locking XLR connectors for the stereo signal L/R input, the HPA 1 has a balanced 3.5 mm stereo jack as AUX input, which can be used in parallel for clicks or playback. It is protected for safe operation against excessive input levels; a hollow pin socket with negative internal contact enables the connection of a network adapter for fixed operation. A 3.5 mm stereo jack is provided as earphone and headphone output. Volume level and balance can be set with easy-grip knobs, a push-button switches between the summed mono and stereo signals. A full-fledged limiter is integrated for distortion-free playback and as protection against feedback. The LD Systems HPA 1 has bi-colour LEDs to facilitate the features overview, which displays the response of the limiter during peaks and the battery status. At 165 grams, the headphone amplifier is distinctly light-weight and can be operated for up to 12 hours thanks to a high quality 9 V block battery.
  • Model Name: LDHPA1
  • Product Type: headphone amplifier
  • Type: 1-channel stereo
  • Inputs: Main Input (Stereo), 1 x Aux In (Stereo)
  • Input Connections: XLR-F (L + R Input, balanced), 3.5 mm stereo jack (Aux In)
  • Input Impedance: 6 kOhm (XLR In), 10 kOhm (3.5 mm jack)
  • Input Sensitivity: 3 dBu (XLR In), -6 dBV (3.5 mm jack)
  • Max. Input Level: 16 dBu (XLR In), 7 dBV (3.5 mm jack)
  • Protection Circuits: Audio Limiter, Max. Input leveling, Power OFF -Mute relay
  • Headphone Outputs: 1
  • Headphone Output Connectors: 3.5 mm stereo jack
  • Power Output: 2 x 1.65 Vrms / 1% THD 33 Ohm Load
  • Minimal Connected Impedance per Channel: 16 ohms
  • Frequency Response: 20 Hz - 40,000 Hz
  • THD 1 kHz Sine: 0.04%
  • Controls: Power/Volume, Balance L/R, Stereo/Mono (Focus) switch,
  • Indicators: Signal (Green) / Peak (Amber), Battery (low battery: red) / Power LED (Power ON: green)
  • Power Supply: 9 V DC block battery, DC jack
  • Operating Voltage: 9 V DC
  • Power Consumption: Nom. 70 mA / Max. 150 mA
  • Housing Material: plastic
  • Housing Surface: soft-touch
  • Housing Colour: black
  • Width: 80 mm
  • Height: 42.5 mm
  • Depth: 133 mm
  • Accessories (included): belt clip, 1 m 3.5 mm stereo jack cable
Palmer Monicon, and the volume is right! With Palmer Monicon, your monitor volume is always under control. The passive mini-mixer with the oversized control is inserted between the stereo output of the notebook, PC or interface and an active monitor system and thus permits convenient and precise volume control of the monitors from the workstation. The passive circuitry with only a few components has absolutely no affect on the sound. Mute and mono buttons make it possible to mute the outputs and merge the stereo output signal into a mono master signal. The inputs and outputs of the controller are equipped with XLR connectors and the 3.5mm stereo TRS sockets usually found on computers. Combo input sockets also permit connection with 6.3 mm TRS plugs. Thus the Palmer Monicon is compatible with both professional and consumer equipment. Genuine wood sides make the practical studio tool in its massive powder-coated sheet steel housing an elegant looking "little helper" that is a typical Palmer product.
  • Type: passive
  • Number of channels: 2
  • Number of inputs: 2
  • Input connections: XLR Combo / 3.5mm stereo jack
  • Input type: balanced/unbalanced
  • Maximum input level: +20 dBu
  • Input impedance: 10 kohms balanced/ 5 kohms unbalanced
  • Number of outputs: 2
  • Output connections: XLR/m, 3.5 mm stereo jack
  • Output type: balanced/unbalanced
  • Max output level: +20 dBu
  • Output impedance: 600 ohms
  • Frequency response: 10Hz - 40 kHz +/- 1 dB
  • THD: 0,001 %
  • Max. attenuation: 85 dB (attenuator), 112 dB (attenuator + mute)
  • Controls: Attenuation, Mute, Mono
  • Housing material: sheet steel/wood
  • Housing surface: powder-coated
  • Width: 164 mm
  • Height: 62 mm
  • Depth: 85 mm

The PHDA02 - a reference class headphone amplifier with Stereo, Mono, and Dual Mono operation modes.

In Stereo mode, the L/R input signal is fed to the left and right earphones while the volume level is set by the Stereo/Left control. The front panel inputs provide simultaneous connection of two headphones in parallel. In Mono mode, the left and right channels are summed, and the resulting mono signal is fed to both the left and right earphones. Again, volume is governed by the Stereo/Left control. In Dual Mono mode, the left and right channels can be used independently with individual level controls for the left and right earphones.

The PHDA02 operates with all headphones with an impedance of 8 up to 200 Ohms. Impedance matching is achieved by a specially designed switchable transformer. Uncommon and costly, this solution provides superior performance, dynamic range, and signal-to-noise ratio at all loads.

Combo input sockets allow for balanced XLR and unbalanced TS headphone connection while parallel XLR outputs facilitate daisy chaining multiple units. The integrated power supply operates with mains from 100 VAC to 240 VAC.

The PHDA02 is equipped with low-noise op amps, and the output amplifiers' discrete power transistors are mounted on heatsinks. Dimensions are 1 U 9.5“.

 

 

Weight3.60 kg0.59 kg0.40 kg0.05 kg0.75 kg1.58 kg
DimensionsN/AN/AN/AN/AN/AN/A
Additional information
Weight 3.60 kg
Weight 0.59 kg
Weight 0.40 kg
Weight 0.05 kg
Weight 0.75 kg
Weight 1.58 kg