F.S. Audio Sector LM4780 Complete Power Amp - diyAudio
Go Back   Home > Forums > Commercial Sector > Swap Meet

Swap Meet Sell your stuff here, who knows, some other fanatic might be interested!

Please consider donating to help us continue to serve you.

Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving
Reply
 
Thread Tools Search this Thread
Old 7th July 2013, 11:28 PM   #1
Einric is offline Einric  United States
diyAudio Member
 
Einric's Avatar
 
Join Date: Feb 2011
Location: Bozeman, MT
Default F.S. Audio Sector LM4780 Complete Power Amp

Here I have a completed Audio Sector LM4780 kit.
It is in Parallel configuration for driving 4Ω loads.
I would venture a guess that it is about 100W/ch in this configuration.
I have used the "Snubberized" power supply configuration with 20kuF of capacitance per rail, Panasonic TS-UP Caps.
The front is solid Hickory, the sides are made from large heatsinks.
The bottom is 1/8" aluminum diamond plate which creates an evenly spaced gap all around the bottom to aid in ventilation.
The top is made from clear polycarbonate also spaced up to aid in ventilation.
The rear is made form 1/8" ribbed aluminum with IEC module, RCA inputs & dual binding posts.
The feet are attached with vibration dampening grommet mounts.
This is a very clean and symmetrical installation that screamed for a nice clear top.
I will include an IEC power cable.

I am asking $200 +S&H for the amp.
I spent many hours building this and many more enjoying it so I would like it to be shipped insured if there are no objections (I'll cover the insurance).
Paypal is preferred.
Attached Images
File Type: jpg Amp Finished.JPG (476.1 KB, 327 views)
File Type: jpg Back Panel.JPG (869.1 KB, 311 views)
File Type: jpg Power Supply Finished.JPG (920.9 KB, 291 views)
File Type: jpg Front Finished.JPG (823.0 KB, 265 views)
File Type: jpg Heatsink Finished.JPG (419.0 KB, 251 views)
File Type: jpg Inside Finished.JPG (830.6 KB, 180 views)
  Reply With Quote
Old 8th July 2013, 10:49 PM   #2
Einric is offline Einric  United States
diyAudio Member
 
Einric's Avatar
 
Join Date: Feb 2011
Location: Bozeman, MT
Bump
  Reply With Quote
Old 10th July 2013, 01:33 PM   #3
Einric is offline Einric  United States
diyAudio Member
 
Einric's Avatar
 
Join Date: Feb 2011
Location: Bozeman, MT
Bump
  Reply With Quote
Old 11th July 2013, 06:28 PM   #4
Jsixis is offline Jsixis  United States
diyAudio Member
 
Join Date: Feb 2011
Location: Columbus Ohio
Extremely nice build
  Reply With Quote
Old 11th July 2013, 10:43 PM   #5
Einric is offline Einric  United States
diyAudio Member
 
Einric's Avatar
 
Join Date: Feb 2011
Location: Bozeman, MT
Thank You, I'm in the process of making an external volume control for it.
I will hopefully have the metal bent up tomorrow.
  Reply With Quote
Old 13th July 2013, 09:30 PM   #6
Einric is offline Einric  United States
diyAudio Member
 
Einric's Avatar
 
Join Date: Feb 2011
Location: Bozeman, MT
Default Now Including A Volume Control

New Price $210 +S&H

I am now including a passive volume control.
It uses an 100k Alps Blue Velvet I picked up from PartsConneXion, gold plated RCA's & Silver/Teflon wiring.
All good quality parts, the chassis is made from vinyl clad aluminum and hickory cheek pieces to match the amp.

I'll also throw in a 1.5 foot interconnect.
Attached Images
File Type: jpg Volume Control.JPG (472.7 KB, 46 views)
File Type: jpg VC Rear.JPG (626.0 KB, 35 views)
File Type: jpg VC Wiring.JPG (532.9 KB, 34 views)

Last edited by Einric; 13th July 2013 at 09:32 PM.
  Reply With Quote

Reply


Hide this!Advertise here!
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Audio Sector LM4780 completed kit TP143 Swap Meet 2 6th July 2013 04:32 AM
Audio sector gainclone. dome406 Chip Amps 35 16th February 2013 02:32 AM
Audio Sector Help Kublai Chip Amps 3 7th October 2009 04:11 AM
Audio Sector vs. Brian Bell chip amp chuck55 Chip Amps 7 5th May 2009 09:49 AM
audio sector- lm4780 kit richyrich212t Chip Amps 1 25th August 2007 11:14 PM


New To Site? Need Help?

All times are GMT. The time now is 06:49 PM.


vBulletin Optimisation provided by vB Optimise (Pro) - vBulletin Mods & Addons Copyright © 2014 DragonByte Technologies Ltd.
Copyright 1999-2014 diyAudio

Content Relevant URLs by vBSEO 3.3.2