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  • OPS-4 Marianne Electra

OPS-4 Marianne Electra

Signature Sound
Joule-Electra Information Library

Reproduced from old Joule-Electra Literature

OPS-4 Marianne Electra Memorial All
Tube Phono Stage

Joule Electra is introducing next preamp in the series dedicated to the memoriam to the Co-founder of Joule Electra, Marianne Electra Barber. This is phono stage, OPS-4 ME, that incorporates all the features that have made the OPS series of phono preamps the most sought after in Hi End Audio.

The new preamp is a highly refined version of the older OPS-2 which incorporates signal wiring designed specifically for Joule Electra by well known cable designer David Elrod of Elrod Power Systems. The signal wiring combines a combination of 6 nines silver and copper in a
unique transmission line configuration. Among multiple improvements, the signal path capacitors are a mix of V-Caps and Mundorf Silver, Gold and Oil which represents the very best capacitors available to the High End Audio Community. The “super chargers” in the power supplies are huge Mundorf M-TubeCap capacitors which combine a high degree of dielectric strength and low residual inductivity. These capacitors can supply, very quickly, extreme peak currents and can be heard and felt.

The OPS- 4ME with separate power supply is complete phono stage offering the committed vinyl enthusiast the platform of choice for playing records. Medium and high gain, for moving magnet or moving coil cartridges, all tube power supplies and the option of a volume control and
remote volume control, it can be complete, single function preamplifiers for the ultimate playback of records. OPS-4ME can also be used with a line stage LA-300ME. This extraordinary phono preamplifier is hand-built for a singleness of purpose and is full dual mono construction . If you only play records and you love the music in your record collection, the OPS-4ME with a volume control is the purest path those notes can take.

 

Specifications

Gain Selectable High 62dB / Low 36dB
Input Impedance High / Low 47,000 Ohms
Alternate loading available
Output Impedance 1,000 Ohms
Output Voltage 7 Volts into 5,000 Ohms
Equalization RIAA +/- 0.5dB
Noise -60dB @ 2 Volts Output
Weight Phono Stage – 10 lbs.
Power Supply – 15 lbs.
Stored Energy 100 Joules
Dimensions Width – 17 inches
Height – 4 inches
Depth – 9 inches
Tube Compliment four- 5751’s,
two – 6DJ8’s,
two – 6350
and two- 6EM7


This historical information is provided courtesy Signature Sound.
We provide support, service and upgrades on Joule-Electra products.
Click here to go back to our main Joule-Electra resource and information page

Signature Sound

8409B Shallowcreek Rd
Liverpool, NY 13090 USA
Business Hours: Noon to 8PM EST
Demonstrations are by appointment

All prices listed on this website are subject to change without notice. We do endeavor to keep them current, but it is always best to contact us for the most current pricing.
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Signature Sound High-End Audio
1 week ago
Signature Sound High-End Audio

I have a special ONE TIME package deal here for folks looking for a great sounding turntable, cartridge, and phono preamp package. What's the catch? The deal IS ONLY AVAILABLE when you buy the specific Rega Planar 6 table, Hana SL low output moving coil cartridge, and Rega FONO MC phono preamp shown it the pics below. The package will come to you with free professional mounting and alignment of the Hana SL cartridge (along with Rega 2mm VTA spacer) on the Planar 6 so the table will pretty much ready to go when you get it. All items are brand new and come with full warranty. Total retail value of over $2,900 for HOW MUCH??? Unfortunately, I can not publish the price here . . . You will need to call, message, or e-mail me for our special price. ... See MoreSee Less

I have a special ONE TIME package deal here for folks looking for a great sounding turntable, cartridge, and phono preamp package. Whats the catch? The deal IS ONLY AVAILABLE when you buy the specific Rega Planar 6 table, Hana SL low output moving coil cartridge, and Rega FONO MC phono preamp shown it the pics below. The package will come to you with free professional mounting and alignment of the Hana SL cartridge (along with Rega 2mm VTA spacer) on the Planar 6 so the table will pretty much ready to go when you get it. All items are brand new and come with full warranty. Total retail value of over $2,900 for HOW MUCH??? Unfortunately, I can not publish the price here . . . You will need to call, message, or e-mail me for our special price.Image attachment
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How good is the Hana SL MC cartridge... here is just one of many very favorable reviews: www.analogplanet.com/content/hana-sl-mc-750-versus-ortofon-quintet-black-s-mc-999

Some more comments on the Hana SL from a Part-Time Audiophile review: "Completely lacking pretense, or subterfuge, this is a cartridge for honest music reproduction, and for those who honestly love music. It is incredibly quiet in the groove, so quiet in fact that at times when waiting for the first track to start I jumped up because I thought I hadn’t lowered the tonearm. While it may not have the cachet of a Benz Micro, or the safe sonic recognition of a Dynavector (both of which are brands I have tremendous respect for), at $750 USD it simply cannot be overlooked, ignored or unknown. It is a bargain of musicality at this price, with proper set-up, and in the right tonearm it will absolutely sing for years to come thanks to its long-wearing Shibata stylus, which should net an easy 2,000 hours of listening on clean, well cared for LPs. Highly recommend"

Signature Sound High-End Audio
1 week ago
Signature Sound High-End Audio

We have a range of used Audioquest Sky XLR interconnects available in several lengths. Around 15 years ago when these where new, they were one of the best (and pretty expensive) AQ interconnects. These used pairs are in very good condition and complete with Audioquests 72V DBS units. Prices range for the mid $400's for the shortest pair to around $700 for the longest. Please message, e-mail, or call for exact prices. Can ship these anywhere around the world. ... See MoreSee Less

We have a range of used Audioquest Sky XLR interconnects available in several lengths. Around 15 years ago when these where new, they were one of the best (and pretty expensive)  AQ interconnects. These used pairs are in very good condition and complete with Audioquests 72V DBS units. Prices range for the mid $400s for the shortest pair to around $700 for the longest. Please message, e-mail, or call for exact prices. Can ship these anywhere around the world.Image attachmentImage attachment+2Image attachment
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Me puede vender un par de 1.50 m me interesa oajala me pueda contactar le dejo nunero +52 5577686610 saludos

Signature Sound High-End Audio
1 month ago
Signature Sound High-End Audio

Some nice affordable used power conditioners have been traded in and are now for sale. The Isotek EVO3 SIRIUS power conditioner (these are made in the UK) is terrific for modest systems and this one is in excellent condition. Retail new, these are $700, this used Isotek power conditioner is a great deal for only $375 plus shipping (You will need to provide your own power cord or we can package a good affordable cord at extra cost with it - just ask us for recommendation/price). We also have a used PS Audio Duet power conditioner. These use a simple, but effective filter - great for subs or amps etc. Yours for only $125 plus ship! ... See MoreSee Less

Some nice affordable used power conditioners have been traded in and are now for sale. The Isotek EVO3 SIRIUS power conditioner (these are made in the UK) is terrific for modest systems and this one is in excellent condition. Retail new, these are $700, this used Isotek power conditioner is a great deal for only $375 plus shipping (You will need to provide your own power cord or we can package a good affordable cord at extra cost with it - just ask us for recommendation/price). We also have a used PS Audio Duet power conditioner.  These use a simple, but effective filter - great for subs or amps etc. Yours for only $125 plus ship!Image attachmentImage attachment
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Signature Sound High-End Audio
1 month ago
Signature Sound High-End Audio

I know I have a number of big LP listeners out there, so this used item is for you! British made Loricraft PRC4 Deluxe Record Cleaning Machine. The unit (which I believe is about 10 years old) is in proper working order and complete with all accessories and a bunch of extras (several LP brushes, Disc Doctor record cleaning pads, Milty Zerostat 3, L'art du Sound record cleaning fluid, PLUS spare roll of thread, spare hoses, and a spare belt!). These units are actually quite quiet too compared to most other RCMs. A complete record cleaning package, all yours for $1,500 plus shipping. ... See MoreSee Less

I know I have a number of big LP listeners out there, so this used item is for you! British made Loricraft PRC4 Deluxe Record Cleaning Machine. The unit (which I believe is about 10 years old) is in proper working order and complete with all accessories and a bunch of extras (several LP brushes, Disc Doctor record cleaning pads, Milty Zerostat 3, Lart du Sound record cleaning fluid, PLUS spare roll of thread, spare hoses, and a spare belt!). These units are actually quite quiet too compared to most other RCMs. A complete record cleaning package, all  yours for $1,500 plus shipping.Image attachmentImage attachment+1Image attachment
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A vid from Micheal Fremer on the Loricraft: youtu.be/i10aywMj-7U

Another vid from the Orgin Live folks (well known in the UK for their modded Rega tonearms and other stuff) in the Uk on the Loricraft: youtu.be/76JgIhE5eQ8

I built a similar record cleaning machine. Diaphragm vacuum pumps and localized cleaning across the surface really does a good job at deep cleaning and saves your hearing.

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