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Congratulations on purchasing the Samson S•phone Headphone Amplifier! Although this unit
is designed for easy operation, we suggest you take some time out first to go through these
pages so you can fully understand how we’ve implemented a number of unique features. The
S•phone is a compact, high-quality device that allows you to monitor any stereo or monophon-
ic source signal (balanced or unbalanced) over as many as twelve separate headphones.
Providing unusually high power levels and superb audio fidelity, the S•phone is compatible with
virtually all popular headphone models. Front panel controls include a Master Input Level con-
trol and Stereo/2 Channel switch. Each headphone output has its own individual HIGH & LOW
Frequency EQ, an Insert jack, and Level control. Special output jacks on the rear panel allows
any number of S•phone units to be linked together with no loss of signal. The S•phone can be
used in a wide variety of applications, including recording studios, teaching labs, broadcast
environments, and for live performance. In this manual, you’ll find a more detailed description
of the features of the S•phone, as well as a guided tour through the front and rear panels,
step-by-step instructions for using the S•phone, a reference chart that gives impedance and
sensitivity ratings for a number of popular headphone models, and full specifications. You’ll
also find a warranty card enclosed—please don’t forget to fill it out and mail it so that you can
receive online technical support and so we can send you updated information about other
Samson products in the future. 

With proper care and adequate air circulation, your S•phone will operate trouble free for many
years. We recommend you record your serial number in the space provided below for future
reference.

Serial number:

Date of purchase:

Should your unit ever require servicing, a Return Authorization number (RA) must be obtained
before shipping your unit to Samson. Without this number, the unit will not be accepted.
Please call Samson at 1-800-3SAMSON (1-800-372-6766) for a Return Authorization number
prior to shipping your unit. Please retain the original packing materials and if possible,  return
the unit in the original carton and packing materials.

Introduction

Summary of Contents for S-phone

Page 1: ...6 3 CLIP 0 MUTE ON ST 2CH PHONES AUX IN CHANNEL 4 CHANNEL LEVEL dB 30 18 12 24 6 3 CLIP 0 MUTE ON ST 2CH PHONES AUX IN POWER HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 HEADPHONE MIXER ...

Page 2: ...lt an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on and pinched particularly at plugs convenience receptacles and at the point at which they exit from the unit 11 Unplug this unit during lightning storms or when unused for long periods of time 12 Refer all servicing to qualified personnel Servicing is required when the unit has been damaged in an...

Page 3: ...tions Cue Mix Set up for Multitrack Vocal Recording 10 Cue Mix Set up for Multitrack Rhythm section Recording 11 Linking Multiple S phones 12 Headphone Impedance and Sensitivity ratings 13 S phone Wiring Guide 14 Specifications 15 16 Block Diagram 17 Copyright 2001 Samson Technologies Corp Printed May 2001 Samson Technologies Corp 575 Underhill Blvd P O Box 9031 Syosset NY 11791 9031 Phone 1 800 3...

Page 4: ...for live performance In this manual you ll find a more detailed description of the features of the S phone as well as a guided tour through the front and rear panels step by step instructions for using the S phone a reference chart that gives impedance and sensitivity ratings for a number of popular headphone models and full specifications You ll also find a warranty card enclosed please don t for...

Page 5: ...el regardless of headphone impedance Three year extended warranty 5 10 OFF MASTER VOLUME INJECT MASTER LEVEL dB 30 18 12 24 6 6 CLIP 0 CHANNEL 1 CHANNEL LEVEL dB 30 18 12 24 6 3 CLIP 0 MUTE ON ST 2CH PHONES AUX IN CHANNEL 2 CHANNEL LEVEL dB 30 18 12 24 6 3 CLIP 0 MUTE ON ST 2CH PHONES AUX IN CHANNEL 3 AUX MAIN CHANNEL LEVEL dB 30 18 12 24 6 3 CLIP 0 MUTE ON ST 2CH PHONES AUX IN CHANNEL 4 CHANNEL L...

Page 6: ... sent to the individual channels 3 CHANNEL LEVEL METER Displays the amount of power being supplied to the channels 4 HEADPHONE CHANNEL 2 The same knob and switch compliment as Channel 1 is duplicated for Channel 2 5 HEADPHONE CHANNEL 3 The same knob and switch compliment is duplicated for Channel 3 6 HEADPHONE CHANNEL 4 The same knob and switch compliment is duplicated for Channel 4 7 MAIN POWER S...

Page 7: ...X IN Used to inject a MORE ME signal into the individual amp channels 14 HIGH FREQUENCY EQ Controls the amount of high frequency EQ applied to headphone output 15 LOW FREQUENCY EQ Controls the amount of low frequency EQ applied to headphone output 16 VOLUME CONTROL Controls the volume to the headphone output for the individual channel 17 PAN CONTROL Controls the balance from left to right in stere...

Page 8: ...ENTER 12 00 CHANNEL 1 VOLUME O CHANNEL 2 4 s Controls Set the Same as Channel 1 5 10 OFF MASTER VOLUME INJECT MASTER LEVEL dB 30 18 12 24 6 6 CLIP 0 CHANNEL 1 CHANNEL LEVEL dB 30 18 12 24 6 3 CLIP 0 MUTE ON ST 2CH PHONES AUX IN C 30 24 MUTE PHON AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 HEADPHONE MIXER AMP Turn the Master Volume knob and all four headphone Channel Output k...

Page 9: ...er Volume while raising one or more channel volume levels Conversely if you find that you have to raise one or more headphone Channel Volume knobs to maximum or near maximum to achieve the desired level try increasing the Master Volume Level while decreasing the channel volume s SETTING UP THE S phone Continued S Phone Master Section Master Volume The S phone s MASTER VOLUME control is used to adj...

Page 10: ...ch channel The LOW Frequency EQ control provides up to 12 dB of CUT or BOOST at 100Hz You ll notice a single detent when the control knob is located in the center of its travel range indicating that there is no boost or cut and that the LOW frequency response of the channel is flat The HIGH Frequency EQ control provides up to 12 dB of CUT or BOOST at 10kHz You ll notice a single detent when the co...

Page 11: ...t at your mixer by balancing the combinations of auxiliary and bus sends you have con nected to the S phone Mixing Signals in 2 Channel Mode In 2 Channel mode all mix inputs including MAIN MASTER INJECT as well as the Channel AUX input are summed to a mono signal In this mode the individual Channel s PAN control is used to adjust the balance between the MAIN which includes the MASTER INJECT and th...

Page 12: ... VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 HEADPHONE MIXER AMP AUX MAIN Lead Vocal Backing Vocal RHYTHM SECTION MIX FROM CONSOLE AUX 1 2 VOCAL MIX FROM CONSOLE AUX 3 4 FROM CONSOLE S DIRECT OUTS Backing Vocal Backing Vocal S A ...

Page 13: ...HONES AUX IN POWER HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 AUX MAIN HF 0 12 8 8 4 4 12 LF 12 8 8 4 12 4 PAN L R VOLUME 5 0 10 HEADPHONE MIXER AMP AUX MAIN RHYTHM SECTION MIX FROM CONSOLE AUX 1 2 VOCAL MIX FROM CONSOLE AUX 3 4 FROM CONSOLE S DIRECT ...

Page 14: ...put signal over more than twelve sets of headphones or to give individual musicians more control over their own headphone mix To do this simply follow these basic steps Make a connection between one S phone s Left Right Link outputs and the next one s Left Right Main inputs CHANNEL 4 OUTPUTS CHANNEL 3 OUTPUTS CHANNEL 2 OUTPUTS CHANNEL 1 OUTPUTS LINK OUTPUT MAIN INPUT LEFT LEFT RIGHT RIGHT HEADPHON...

Page 15: ...nor do we endorse any particular models for use with the S phone This is simply a reference listing for your convenience For more information about any of these headphones contact the manufacturer directly Headphone Impedance and Sensitivity Ratings SAMSON HEADPHONES Model Impedance Sensitivity PH60 RH100 RH300 RH600 CH70 CH700 OTHER MANUFACTURER S HEADPHONES Manufacturer Model Impedance Sensitivi...

Page 16: ...mon Hot Cold Hot 2 Cold 3 Common 1 Common Solder Points End View End View Solder Points 1 2 3 2 1 3 XLR Balanced Wiring Guide Tip signal Signal Signal Sleeve ground Ground Ground Tip signal Signal tip Signal ring Signal tip Signal ring Ring signal Sleeve ground Ground Ground Unbalanced 1 4 Connector Balanced TRS 1 4 Connector Insert Cable 1 4 TRS connector to two 1 4 can be used to connect a stere...

Page 17: ...l Meters 5 Segment LED 30 to Clip load compensating Channel Controls Mute Switch ST 2CH Switch Volume Control Balance Control High Frequency EQ 12dB 10KHz Shelving Low Frequency EQ 12dB 100Hz Shelving Outputs 3 1 4 TRS Left Right Headphone outputs per Channel Max output level 140 mW at 32 ohms 385mW at 66 ohms Impedance minimum 8 Ohms Global Specifications Frequency response 10 Hz to 32 kHz 0 3 dB...

Page 18: ...N R CHANNEL LEVEL METER MASTER LEVEL METER MAIN INPUT VOLUME REAR PANEL JACKS FRONT PANEL JACKS LEFT RIGHT BALANCED INPUTS LEFT RIGHT BALANCED OUTPUTS MASTER 2CH AUX IN CH STEREO AUX IN HEADPHONE OUTPUT REAR PANEL OUTPUTS INPUT OUTPUT TIP RING SLEEVE HOT COLD GND PHONES TIP RING SLEEVE LEFT RIGHT GND MONO LOGIC CONTROL LEFT RIGHT BALANCE AUX MAIN BLEND ...

Page 19: ...Samson Technologies Corp 575 Underhill Blvd P O Box 9031 Syosset NY 11791 9031 Phone 1 800 3 SAMSON 1 800 372 6766 Fax 516 364 3888 www samsontech com ...

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