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THANK YOU,

for purchasing the Standel 25L15 “Vintage Plus” Musical Instrument Amplifier.   The 25L15 

“Vintage  Plus”  represents  the  very  best  in  amplifier  design  and  construction  of  the  early 

1950’s,  enhanced and improved wherever appropriate.

Chances  are,  if  you  are  reading  this  manual,  you  already  know  the  history  of  the  25L15 

and the role it and The Standel Company played in the development of the modern musical 

instrument amplifier.  

Inspiration  for  the  25L15  “Vintage  Plus”  came  as  a  result  of  many  requests  from  “the 

players”—  players who are fortunate enough to own one of only sixty-four originals, and 

also by request from many who have experienced the “magic”  but could not find an origi-

nal for sale.  

As with the original, the Standel 25L15 “Vintage Plus” features hand selected components 

and  point-to-point  hand  wiring.    The  output  transformer  is  a  special  remanufacture  of  the 

original  type.    Resistors  are  a  combination  of  carbon  composition,  metal  film  and  wire 

wound.    The  audio  capacitors  are  polypropylene.    In  addition,  the  speaker  is  a  carefully 

selected JBL D-130 (used) speaker.  The D-130 is the same found in the original amplifier 

featuring all of its performance characteristics, 3-lb. AlNiCo V magnet, light-weight curvi-

linear cone, and 4" voice coil all combined with a super close voice coil gap which yields 

highly articulate sound.  All of the above is joined with a hi-capacity, ultra-clean power sup-

ply, dual chassis, Italian poplar cabinet.    

Sonic  excellence,  versatility,  and  life-long  operation  are  handcrafted  into  every  Standel 

25L15 we build.

Please take a few moments to read this manual carefully, as it contains information essential 

to the proper operation of this unit.

We welcome your comments and encourage you to fill out the warranty registration found at 

the end of this manual.

Thank you again, and please enjoy!

 

Danny McKinney

The Standel Co.

1/04 

Summary of Contents for Vintage Plus 25L15

Page 1: ... ...

Page 2: ...transformer is a special remanufacture of the original type Resistors are a combination of carbon composition metal film and wire wound The audio capacitors are polypropylene In addition the speaker is a carefully selected JBL D 130 used speaker The D 130 is the same found in the original amplifier featuring all of its performance characteristics 3 lb AlNiCo V magnet light weight curvi linear cone...

Page 3: ...AL 3 KNOB 9 TOP PANEL CONTROLS OPTIONAL 5 KNOB 10 TOP PANEL CONTROLS OPTIONAL REVERB 11 REAR PANEL ORIGINAL 3 KNOB OPTIONAL 5 KNOB 12 REAR PANEL OPTIONAL REVERB 13 UNDER PANEL SIDE PANELS top chassis 14 BOTTOM CHASSIS 1 15 BOTTOM CHASSIS 2 16 BOTTOM CHASSIS 3 17 ABOUT YOUR JBL D 130 SPEAKER 18 WARRANTY 19 WARRANTY REGISTRATION Please fill out and return to Standel ...

Page 4: ...aterials to you Page 14 15 16 At A Glance location and explanation of the BOTTOM CHASSIS you will be dealing with everytime you use the amplifier Please be sure to read your WARRANTY Page 18 Do not open the top or bottom chassis Potentially lethal voltage awaits you inside Please refer all service to a qualified technician at 818 837 9864 Please fill out and return your WARRANTY REGISTRATION Page ...

Page 5: ... attempt to service this unit beyond that described in this manual Refer all servicing other than tube replacement to Standel Internal voltage can exceed 500 Volts ENVIRONMENTAL CONSIDERATIONS Do not allow the unit to become exposed to moisture or dampness Do not put the cover on the amp while the amp is turned on This and all electronic equipment require adequate ventilation for safe operation an...

Page 6: ... ungrounding the AC plug temporarily This ungrounds the amplifier and may cure the hum or buzz but is not a substitute for proper system grounding BE AWARE THAT UNLESS THE MODEL 25L15 IS AC GROUNDED A SAFETY HAZARD CAN EXIST DO NOT RUN THIS UNIT WITHOUT PROPER GROUNDING STANDEL AND OR REQUISITE AUDIO ENGINEERING ACCEPTS NO RESPONSIBILITY FOR LEGAL ACTIONS OR FOR DIRECT INCIDENTAL OR CONSEQUENTIAL ...

Page 7: ...rt to the chassis so that it doesn t fall as it becomes loose from the cabinet Once the chassis has been removed locate the two bulbs on the Top Panel To remove the bulbs gently press down on the bulb and turn counter clockwise The bulb will loosen and can now be pulled out Reverse the process to install new bulbs and reinstall the chassis CLEANING The Illuminated Dial top panel may be cleaned wit...

Page 8: ... Vintage Plus ...

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Page 14: ... 12AU7 807 807 5U4GB 117V 2 5A POWER ON ON IDLE OFF UNBAL LINE INPUT UNBAL OUT THRU 25A 25L15 POWER SUPPLY AMPLIFIER ...

Page 15: ... 12AU7 807 807 5AR4 117V 2 5A POWER ON ON IDLE OFF UNBAL LINE INPUT UNBAL OUT THRU 25A 25L15 POWER SUPPLY AMPLIFIER ...

Page 16: ... 12AU7 807 807 5AR4 117V 2 5A POWER ON ON IDLE OFF UNBAL LINE INPUT UNBAL OUT THRU 25A 25L15 POWER SUPPLY AMPLIFIER ...

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Page 18: ... warranties except as listed above 5 Tubes and light bulbs are covered for a 90 day period 6 STANDEL and or REQUISITE AUDIO ENGINEERING SHALL NOT BE LIABLE FOR PROPERTY DAMAGE OR ANY OTHER INCIDENTAL OR CONSEQUENTIAL DAMAGE WHATSOEVER WHICH MAY RESULT FROM THE FAILURE OF THIS PRODUCT OR ARISING OUT OF THE BREACH OF THIS WARRANTY Any and all warrantees of merchantability and fitness implied by law ...

Page 19: ..._______________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ ___________________________________________________________________ Please take this time space to tell ...

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