Building a DIY electrostatic speaker system

Flak

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Jul 4, 2017
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132

chrapladm

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Apr 14, 2017
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I will have to take a hard look. Electrostats were always one of my favorite speakers. Never thought about DIY'ing them but it does sound interesting. A nice large center channel like my previous ML center would be nice.
 

Sonnie

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Staff member
Joined
Apr 2, 2017
Messages
4,241
Location
Alabama
My AV System  
Preamp, Processor or Receiver
Monolith HTP-1 Processor (Movies and Surround)
Main Amp
Sanders Sound System Magtech (Dual)
Additional Amp
Emotiva XPA-Eleven
Computer Audio
Intel NUC w/ Roon ROCK
DAC
miniDSP SHD (Two-Channel Music Only)
Universal / Blu-ray / CD Player
Panasonic UB9000 4K UHD Player (for movies only)
Front Speakers
MartinLogan Renaissance ESL 15A
Center Channel Speaker
MartinLogan Focus C-18
Surround Speakers
MartinLogan EFX Surrounds
Surround Back Speakers
MartinLogan ElectroMotion ESL
Front Height Speakers
MartinLogan EM-IC
Rear Height Speakers
MartinLogan EM-IC
Subwoofers
SVS SB16-Ultra x4 (music) + PB16-Ultra x2 (movies)
Video Display Device
JVC DLA-NX9
Screen
Elite 128" Screen
Remote Control
Universal MX-890
Streaming Equipment
Roku Ultra
Streaming Subscriptions
Lifetime Roon Subscription
Tidal
qobuz
Netflix
Amazon Prime
Satellite System
Dish Joey 4K
Roger Sanders is an amazing guy... and interesting for sure. I would love to follow a build... wish I had time for one myself.
 

ddude003

Active Member
Joined
Aug 13, 2017
Messages
648
Location
Somewhere Northeast of Kansas City Missouri
My AV System  
Preamp, Processor or Receiver
PrimaLuna Dialogue Premium TubePre (2 channel+sub)
Main Amp
McIntosh MC152 SS Amp (2 channel)
Additional Amp
Yamaha RX-A850 Pro (the other 5 channels lol)
Computer Audio
MacBook Pro, Custom i7 7700k De-lid build, Audirvana+, LiquidSonics, SoX
DAC
Chord Electronics Ltd. Qutest
Universal / Blu-ray / CD Player
LG Blue-Ray
Front Speakers
Martin Logan ElectroMotion ESL
Center Channel Speaker
Martin Logan Motion C2
Surround Speakers
Martin Logan Motion 4
Surround Back Speakers
Martin Logan Motion 4 (yes, another set of these)
Subwoofers
Martin Logan Dynamo 700
Other Speakers or Equipment
Cifte 12AU7 NOS & Genalex Gold Lion Tubes in Pre
Video Display Device
Sony TV KDL50W700B
Remote Control
PrimaLuna & Lumin iApp
Streaming Equipment
Lumin U1 Mini Streamer/Transport
Streaming Subscriptions
Roon & QoBuz Studio Premier, Amazon Prime & Netflix
Other Equipment
ThrowRug, SaddleBlankets, WideBand & BaseTraps...
Quite the blast from the past... Sanders were the first electrostats I have ever heard, mid 1970's?... And even now I think electrostat hybrids are still the best sounding...
 

tesseract

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Staff member
Joined
Nov 12, 2016
Messages
1,251
Location
Lincoln, NE
My AV System  
Preamp, Processor or Receiver
Emotiva XMC-1
Main Amp
Emotiva XPA-2 Gen 2
Additional Amp
Emotiva XPA-3 Gen 2
Other Amp
Dayton SA1000
Universal / Blu-ray / CD Player
Sony BDP S590 & Pioneer DV-610AV
Front Speakers
JTR NOESIS 210 RT - L/R mains
Center Channel Speaker
Chase SHO-10 - Center
Surround Speakers
Chase PRO-10 - Surrounds
Subwoofers
Chase VS-18.1 x 2 - Subwoofers
Video Display Device
Vizio E550VL
Streaming Subscriptions
h/k TC35C/Ortofon Super OM10/Pro-Ject Phono Box S
Electrostats are wonderful, wish I had room for a pair. Someday...
 

Sonnie

Senior Admin
Staff member
Joined
Apr 2, 2017
Messages
4,241
Location
Alabama
My AV System  
Preamp, Processor or Receiver
Monolith HTP-1 Processor (Movies and Surround)
Main Amp
Sanders Sound System Magtech (Dual)
Additional Amp
Emotiva XPA-Eleven
Computer Audio
Intel NUC w/ Roon ROCK
DAC
miniDSP SHD (Two-Channel Music Only)
Universal / Blu-ray / CD Player
Panasonic UB9000 4K UHD Player (for movies only)
Front Speakers
MartinLogan Renaissance ESL 15A
Center Channel Speaker
MartinLogan Focus C-18
Surround Speakers
MartinLogan EFX Surrounds
Surround Back Speakers
MartinLogan ElectroMotion ESL
Front Height Speakers
MartinLogan EM-IC
Rear Height Speakers
MartinLogan EM-IC
Subwoofers
SVS SB16-Ultra x4 (music) + PB16-Ultra x2 (movies)
Video Display Device
JVC DLA-NX9
Screen
Elite 128" Screen
Remote Control
Universal MX-890
Streaming Equipment
Roku Ultra
Streaming Subscriptions
Lifetime Roon Subscription
Tidal
qobuz
Netflix
Amazon Prime
Satellite System
Dish Joey 4K
We had a good visit with Roger at one of the shows... his speakers sounded fabulous. For me they were the best of the show.
 

tesseract

Senior Admin
Staff member
Joined
Nov 12, 2016
Messages
1,251
Location
Lincoln, NE
My AV System  
Preamp, Processor or Receiver
Emotiva XMC-1
Main Amp
Emotiva XPA-2 Gen 2
Additional Amp
Emotiva XPA-3 Gen 2
Other Amp
Dayton SA1000
Universal / Blu-ray / CD Player
Sony BDP S590 & Pioneer DV-610AV
Front Speakers
JTR NOESIS 210 RT - L/R mains
Center Channel Speaker
Chase SHO-10 - Center
Surround Speakers
Chase PRO-10 - Surrounds
Subwoofers
Chase VS-18.1 x 2 - Subwoofers
Video Display Device
Vizio E550VL
Streaming Subscriptions
h/k TC35C/Ortofon Super OM10/Pro-Ject Phono Box S
Yes, Roger's speakers are fantastic!
 

Jazzman53

Member
Joined
Jun 14, 2018
Messages
28
Your design is so unique and elegant… please tell us you have build photos and details to share!
 

AJ Soundfield

Member
Joined
May 21, 2017
Messages
351
Location
Tampa
My AV System  
Preamp, Processor or Receiver
Yamaha RXA800, Denon AVR-X4500, Lexicon MC10
Main Amp
Hypex Ncores
Additional Amp
Abacus Ampino, Triode Corp TRV-35SE
Computer Audio
AudioEngine D2
DAC
NAD M51
Universal / Blu-ray / CD Player
Yamaha BDA1010
Front Speakers
Soundfields
Center Channel Speaker
Soundfields, KEF Q150
Surround Speakers
Soundfields
Surround Back Speakers
Revel M16
Subwoofers
Soundfield Cardioid Rythmik Servo
Other Speakers or Equipment
AVA ABX
Very, very nice Kakkadu
 

Sonnie

Senior Admin
Staff member
Joined
Apr 2, 2017
Messages
4,241
Location
Alabama
My AV System  
Preamp, Processor or Receiver
Monolith HTP-1 Processor (Movies and Surround)
Main Amp
Sanders Sound System Magtech (Dual)
Additional Amp
Emotiva XPA-Eleven
Computer Audio
Intel NUC w/ Roon ROCK
DAC
miniDSP SHD (Two-Channel Music Only)
Universal / Blu-ray / CD Player
Panasonic UB9000 4K UHD Player (for movies only)
Front Speakers
MartinLogan Renaissance ESL 15A
Center Channel Speaker
MartinLogan Focus C-18
Surround Speakers
MartinLogan EFX Surrounds
Surround Back Speakers
MartinLogan ElectroMotion ESL
Front Height Speakers
MartinLogan EM-IC
Rear Height Speakers
MartinLogan EM-IC
Subwoofers
SVS SB16-Ultra x4 (music) + PB16-Ultra x2 (movies)
Video Display Device
JVC DLA-NX9
Screen
Elite 128" Screen
Remote Control
Universal MX-890
Streaming Equipment
Roku Ultra
Streaming Subscriptions
Lifetime Roon Subscription
Tidal
qobuz
Netflix
Amazon Prime
Satellite System
Dish Joey 4K
Would love to hear them sometime... can you bring them to Alabama? :whistling:
 

Jazzman53

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Joined
Jun 14, 2018
Messages
28
A few questions:
I don't see any woofers--- are those full range panels?
What transformers are you using?
 

NBPK402

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Apr 17, 2017
Messages
1,122
Location
San Miguel de Allende Mexico
How ironic... I was just watching a Audiopheliac video on you tube about some Sanders electrostats. They had custom crossover amps, and newer panels installed. Sometimes I miss my ML Sequel IIs.
 

Kakkadu

Member
Joined
Oct 15, 2018
Messages
61
A few questions:
I don't see any woofers--- are those full range panels?
What transformers are you using?
There are two woofers per speaker if you look closely. The speakers are fully active with Dirac Live.
Currently I use Hammond 1620A transformers but I have a pair of toroidal transformers from Amplimo that I haven't tried yet.
Some build time photos:
IMG_1234.png

IMG_1259.png

IMG_1285.png

IMG_1295.png

IMG_1442.png
 

Kakkadu

Member
Joined
Oct 15, 2018
Messages
61
How ironic... I was just watching a Audiopheliac video on you tube about some Sanders electrostats. They had custom crossover amps, and newer panels installed. Sometimes I miss my ML Sequel IIs.
Back when Sanders still provided parts I built many ESL projects using his transformers and power supplies...
 

Jazzman53

Member
Joined
Jun 14, 2018
Messages
28
Beautiful work and elegant design. I'm drooling over those Aplimo's--- thanks for pics and info :-)
I use tandem pairs of inexpensive 230V/2x6V power toroids, which sound really good for cheap transformers.
 

ddude003

Active Member
Joined
Aug 13, 2017
Messages
648
Location
Somewhere Northeast of Kansas City Missouri
My AV System  
Preamp, Processor or Receiver
PrimaLuna Dialogue Premium TubePre (2 channel+sub)
Main Amp
McIntosh MC152 SS Amp (2 channel)
Additional Amp
Yamaha RX-A850 Pro (the other 5 channels lol)
Computer Audio
MacBook Pro, Custom i7 7700k De-lid build, Audirvana+, LiquidSonics, SoX
DAC
Chord Electronics Ltd. Qutest
Universal / Blu-ray / CD Player
LG Blue-Ray
Front Speakers
Martin Logan ElectroMotion ESL
Center Channel Speaker
Martin Logan Motion C2
Surround Speakers
Martin Logan Motion 4
Surround Back Speakers
Martin Logan Motion 4 (yes, another set of these)
Subwoofers
Martin Logan Dynamo 700
Other Speakers or Equipment
Cifte 12AU7 NOS & Genalex Gold Lion Tubes in Pre
Video Display Device
Sony TV KDL50W700B
Remote Control
PrimaLuna & Lumin iApp
Streaming Equipment
Lumin U1 Mini Streamer/Transport
Streaming Subscriptions
Roon & QoBuz Studio Premier, Amazon Prime & Netflix
Other Equipment
ThrowRug, SaddleBlankets, WideBand & BaseTraps...
Interesting design... Very nice... Open baffle woofers? So cool...
 
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