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Etapas de potencia monofónicas 300B. .EXDEMO, COMO NUEVAS DE ESTRENO. 2 AÑOS GARANTIA

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8 450,00 € impuestos inc.

-8 450,00 €

16 900,00 € impuestos inc.


The A-5000 NEO monoblocks are Allnic Audio’s top of the line power amplifier model. Like all Allnic Audio products, the A-5000 NEO has Permalloy (iron and nickel alloy) for its transformer cores. Allnic is grateful to Mr. G.W. Elmen of Western Electric for inventing Permalloy for transformer core use, and in so doing, providing an enormous service to recorded music listeners everywhere.

The A-5000 NEO has the following features:

  •   25 watts of pure class A high power output. The A-5000 NEO is a parallel single ended power amplifier. Almost all other 300B amplifiers are under, and distortion, driven. This is a result of the use of conventional "Resister- Capacitor" circuits, which give only up to around a 70V swing voltage, with high distortion. This means that an already distorted signal of a lower than optimum swing voltage is directed to the deep biased 300B grid. Allnic’s powerful "Inductor Drive" circuit gives up to a 150V swing voltage, with very low distortion (about 0.3%). It is this drive delivered to the A-5000 NEO that allows for a significantly higher output (25w) than the approximately 18 - 20w output that could be expected from standard 300B circuits.

  •   Real power drive. The driver tube, a 6GV8, is a very strong power pentode. We use this power pentode to drive the 300B’s via a choke plate inductor. Our choke inductor (100% nickel permalloy PC core) has very low power loss and infinitely high load impedance. This configuration is an ideal drive stage for 300B SE.

  •   Nickel alloy output transformer. Allnic uses sophisticated ratio mixed nickel permalloy PB cored output transformers. Because of their extremely high initial permeability, it is possible to use lower turns on the primary winding while retaining very high 'open circuit inductance”. That means a resulting very wide frequency range and low distortion bass response. This is another reason why the A-5000 NEO excels over other 300B power amplifiers. Allnic also uses a very big nickel core, so as not to be magnetically saturated at a high current of level of 200mA.

  •   Long life and trouble-free operation. Allnic employs a

“soft start circuit” to protect the tubes and other parts. It applies the high B+ voltage only after tubes are fully warmed- up.

  •   Fixed bias control grid. Allnic prefers to use low distortion and high output “fixed bias” rather than the relatively higher distortion and lower output “self bas” method. That way, it is possible to eliminate the use of cathode resisters and their associated heat production.

  •   Natural negative feedback. The A-5000 NEO applies about - 6dB of negative feedback. This is a very complimentary amount of negative feedback that differentiates the Allnic 300B single ended amplifier from the standard, which has a very coloured and weak speaker driving force. With this natural feedback, the A-5000 NEO has a relatively high “damping factor', very low distortion, and a higher S/N ratio, without losing the signature single ended natural sound quality.

  •   Hard wiring. The A-5000 NEO is all hard wired; circuit boards are not used.

  •   Beautiful 20KHz square wave response. See Figures 1-3.


 As are all Allnic Audio products, the A-5000 NEO is fully RoHS (EU Reduction of Hazardous Substances regulation) compliant in construction and materials. 


 Output Power:
 Distortion:
 Frequency Response:  S/N Ratio:
 Damping Factor:
 Voltage gain:
 Input Impedance:
 Input Sensitivity:
 Tubes:

 AC Fuse:
 Dimensions:

 Weight:

25w (8Ω or 4Ω load, at 1KHz) 0.3% at 1KHz, 2.83V

20Hz - 20KHz Flat -80dB (CCIR, 1KHz)

10 at 8Ω load at 1KHz
100KΩ (single-ended, unbalanced)

0.7V for rated power

300B X 2 (power triode)
6GV8 X 1 (driver tube - equivalent to ECL85 and 6F5p)

15A, 250V (two supplied – one is a spare)

(W x D x H) 430mm (16.93 inches) x 330mm ( inches) X 240mm

(9.45 inches)

20Kg (44 lbs) net per monoblock. 21.8 Kg (48 lbs) shipping weight per



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Etapas de potencia monofónicas 300B. .EXDEMO, COMO NUEVAS DE ESTRENO. 2 AÑOS GARANTIA