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Studio Six

$3,900.00
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Product Description

The Studio Six is a Class-A single-ended triode (SET) circuit design. Zero-feedback and 100% tube amplification. It's tubes have been hand-picked based on their long established reputations for sonic virtue.

The 'overbuilt' power supply features robust multi-stage high-voltage filtering, for superior low-frequency performance.

A proprietary output stage accommodates a wide range of headphone impedance from 8 to 600-Ohms, with ease. The Studio Six drives many pairs of headphones with no sacrifice to fidelity. The ideal amp for shared listening sessions.

The Studio Six features uncompromising quality in build and design throughout. A timeless design built to last a lifetime and deliver an unmatched sonic experience.

Reviews
Tone Audio

"The Studio Six from ALO Audio redefines what headphones are capable of delivering, from the least expensive to the most exotic cans in your collection...

Its ability to drive every type of headphone also makes the Studio Six an incredibly versatile tool as a reference component, so expect to hear more about this landmark product in the issues to come as it will be my reference amplifier by which to evaluate all other personal audio gear."

-Jeff Dorgay @ Tone Audio Issue #57

DigitalAudioReview.net

 "Exceptional transparency combined with oodles of tone furnishes the listener with both high and low volume satisfaction. It won’t bend or buckle under the strain of higher impedance cans. That’s its bare essence.

You’re also buying into confidence and eliminating doubt. Doubt that there’s a better amplifier out there for your favourite ‘phones, doubt that such a beast could make them sound even sweeter, more three-dimensional, more tonally saturated. Make no mistake, ALO pack these sonic attributes into the Studio Six for an endgame product with few rivals." 

- John Darko, Digital Audio Review

Positive Feedback Online

" The way we interact and listen to headphones is changing rapidly, and the Studio Six is at the head of the pack in high-end desktop personal audio. I can't get enough of the damn thing. Ken Ball and his team have reason to be proud. The Studio Six is a blast to listen to, and its aesthetics are modern and clean....Most highly recommended."  

- Michael Mercer @ Positive-Feedback.com

Ohm Image

"The Studio Six isn't just an amp. It is a statement, that punctuated by precise engineering, utilitarian design, and excellent performance, has other amps blubbering...ALO proved yet again that they are not merely product designers. They are tinkers. They are engineers. They are artisans."

- Nathan @ Ohm-image.net

Headfonia

"The Six truly has what it takes to stand the test of time...ALO has really nailed it with the Six. The sound wasn’t what I expected, but they’ve made a convert out of me. Sure I think their smaller amps are great, but the Six really deserves that flagship title as it’s leagues ahead of the other ALO amps."  

- Mike @ Headfonia.com

Head-Fi.org

"...What I am hearing is excellent -- the music -- but delivered with a high level of detail and in a manner I would describe as absolute, that is, with an unapologetically accurate attitude that shows you exactly how the music is from the lowest bass note up to the highest treble. Not only the capabilities and flaws of the music but of your headphones as well.... The Studio Six was delivering the music so precisely that I was hearing the music exactly as it was and exactly as everything else in the rest of my system was capable of delivering it." 

-Amos "Currawong" Barnett, Head-fi.org

PositiveFeedBackOnline.com

"I'd have to say that the ALO the best that I've heard in a headphone amp. Reference-quality, without a doubt, and massive synergy with the Audeze LCD-3's." 

-David W. Robinson Postive-Feedback.com

 

 

Features
Size and Weight

16 inch (L) x 11.5 inch (W) x 5.75 inch (H)  -  26.7lbs

Inputs / Outputs

Input: Stereo RCA x3, Accessory Power Connection  |  Output: 1/4” Stereo Jack x4

Warranty

5 year limited warranty

Tech Specs


Headphone impedance compatibility range: 

8 Ohms to 600 Ohms 

Maximum rated output power:

1,000 milliwatts into 8 to 32 Ohms

Amplifier input impedance:

95k-Ohms

Amplifier input Voltage for full-rated output voltage into various headphone impedances:

1.00V RMS  input for 4.0V RMS output into   16 Ohms

1.30V RMS  input for 5.7V RMS output into   32 Ohms

1.70V RMS  input for 7.5V RMS output into   75 Ohms

1.85V RMS  input for 8.3V RMS output into 150 Ohms

1.70V RMS  input for 8.2V RMS output into 300 Ohms

1.65V RMS  input for 8.1V RMS output into 600 Ohms

THD+N (1kHz input) at 1V RMS output into stated load impedances:

32 Ohms: 0.26%

150 Ohms: 0.12%

THD+N (1kHz input) at 250 milliwatts output into stated impedances:

 32 Ohms: 1.0%

150 Ohms: 2.0%

Frequency Response -3dB (Referenced to 1kHz, 250 milliwatts output) into stated impedances:

 32 Ohms:   6.0Hz to 39kHz

150 Ohms: 16.5Hz to 36kHz

Frequency Response -1dB at full-rated (2.83V RMS) 1,000 milliwatt output into 8 Ohms:

15Hz to 20kHz

 S/N Ratio:

78dB (unweighted) below full 2.83V RMS output into 8 Ohms

Power and Battery


Power (Mains) Compatibility:

100, 120 or 240 VAC (factory selected), 50-60Hz

Power Consumption:

65 Watts Maximum

In The Box

Included with Studio Six

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