PrimaLunaPrologue 7 MonoblocksusedPrimaLuna Prologue 7 MonoblocksPrima Luna Prologue 7 Monoblocks AmplifiersThese run perfectly, I brought larger speakers that needed 200w Per.Ships with Electro Harmonics EL34 X8 (New matched tubes) from Upscale Audio12AU7 x4 (O...0.00

PrimaLuna Prologue 7 Monoblocks [Template]

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Ships fromSanta Monica, CA, 90402
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Original accessoriesBox, Manual
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Prima Luna Prologue 7 Monoblocks Amplifiers


These run perfectly, I brought larger speakers that needed 200w Per.

Ships with Electro Harmonics EL34 X8 (New matched tubes) from Upscale Audio
12AU7 x4 (Original Prima Luna) I rolled in NOS right away tubes so these hardly used
12AX7 x4 (Original Prima Luna) I rolled in NOS right away tubes so these hardly used
This amp will take El34/KT77/KT88/KT120 (not the KT150)
With my system I much preferred the sound of the EL34 Tube for their high end extension and delicacy.

X4 - Spare set of 12AX7 tubes (New) Tube cover, Original AC cords 
)riginal manufactures packaging and Manual and additional box for 3 box shipping. 
Includes upgraded HIFI tuning fuses (to new Primaluna spec) + spare hi end replacement fuses for internal Plate and AC fuses

Buyer pays actual shipping cost. I had to add flate rate costs to be able to post the add. But shipping will be calculated after i get your address. I will only charge the actual shipping costy, ship it out ASAP and supply tracking numbers for x 2 boxes.

Specifications:
Output: 70 watts x 2 8ohms
Freq. Response: 20Hz-85kHz +/- .5dB
THD: Less than 1 percent at full power
S/N Ratio: 101dB
Input Sensitivity: 911mV
Input Impedance: 100k Ohms
Power Consumption (per amp): 210 watts
Dimensions (per amp): 11" x 7.5" x 15.5" (WxHxD)
Weight (per amp): 37.5 lbs
Inputs: 1 each RCA
Outputs: 2, 4, and 8 Ohm speaker taps
Tube Compliment (per amp): 2 - 12AX7, 2 - 12AU7, 4 - KT88
The ProLogue Seven comes specially equipped with the following upgrades:

Upgraded Solen capacitors made in France. The result is an even better midband and wonderful clarity.
Fast Recovery Diodes. Resulting in increased definition and detail, especially when the music becomes complex.

EL34 Output Tubes.

The ProLogue Seven starts with the same basic topology as the award-winning ProLogue Five stereo power amplifier. The monoblocks reach a new level of performance using a unique dual-feedback topology: Cross-coupled current feedback for superior impulse behavior and gain stability. Next a slight amount of negative feedback is used to achieve exact gain setting, low distortion, and low output impedance. This effectively cancels the negative by-products associated with both feedback circuits. The end result utilizes all the benefits of feed-back, without all the drawbacks.


Finally, the monoblocks integrate a newly-designed, wide-band, low-loss, output transformers, built to handle even the most difficult speaker loads. A two Ohm output tap is added for additional flexibility.
Like all ProLogue amplifiers, it boasts:

Soft-start circuit Extends component and tube life by powering up the amp gently every time you turn it on.
Tube plate fuse Protects the amplifier output stage. Other amps may need a trip to the shop if a tube fails. Not this one. Just plug in a new tube and fuse, and go.

Adaptive AutoBias. Exclusive to PrimaLuna, this circuit monitors and adjusts bias automatically. Each power tube is monitored to stay in a peak operating range. Improved performance and better sound, with distortion reduced by 40% to 50% over conventional designs. No need for matched tubes. No bias adjustments. Ever. It also allows you to experiment with different power tubes. Plug in virtually any power tube. Adaptive AutoBias will automatically adjust itself! In addition to KT88s, you can use 6550, KT90, EL-34, KT77, 6CA7, 6L6GC, KT66, 7581, EL37, and any of their equivalents.

Proprietary Custom low hum, wide bandwidth dual output transformers allow the monoblocks to drive most any spaker with ease. Read the white paper here.

Premium parts . Fully vented chassis, chassis-mounted ceramic tube sockets, Nichicon and Solen capacitors. WBT style speaker terminals. Gold plated input jacks.

Hand made with the finest point to point wiring, with workmanship equal to or better than any product you can buy at any price , period.

Chassis made of finely finished heavy gauge steel, and five step automotive quality finish. Each coat hand rubbed and polished.Removable tube cage included no charge.

Toroidal power transformer for low hum, and a front end that is dead quiet.

Conservative design parameters: Though PrimaLuna amplifiers are powerful, tubes run well below their maxim ratings.

 

X4 - Spare set of 12AX7 tubes (New) Tube cover, Original AC cords 
Rriginal manufactures packaging and Manual and additional box for 3 box shipping. 
Includes upgraded HIFI tubes (to new Primaluna spec) + spare hi end replacement fuses for internal Plate and AC fuses

 

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