Stax SRM-500T Earspeaker Driver Unit

Name: Stax SRM-500T Earspeaker Driver Unit
Brand: Stax
SKU: 4996476001015
Price: 3800.00 NZD
Availability: OutOfStock

$3,800.00

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A STAX custom-made low noise DUAL FET is installed on the first stage and the vacuum tube is installed on output stage. STAX continued to use the traditional circuit design which is perfect for the STAX vacuum tube driver and improved the power efficiency. These flow through to an overall sound quality improvement.

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Specifications

Type: FET input + vacuum tube output hybrid DC amplification driver unit

Vacuum tube: 6FQ7/6CG7

Frequency response: DC – 90kHz (with one SR-009S)

Gain: 60dB

Harmonic distortion: 0.01% or less (1kHz/100Vrms output)

Input impedance: 50kΩ (RCA), 50kΩx 2 (XLR)

Maximum output voltage: 300Vrms (1kHz)

Bias voltage: DC580V

Operating temperature / humidity: 0 to 35 degrees C / less than 90% (non condensing)

Input terminal: RCA x 1, XLR x 1

Output: RCA parallel output terminal

Power consumption: 38W

Dimension: 195W x 102 H x 376 D mm (maximum protruding portion included)

Weight: 3.4kg

In contrast to its solid-state sibling, SRM-500T tends to be more placid, although still worth your while if you like the valve/tube sound that so many people prefer.

Soundstage Australia

The new chassis which is more rigid than the conventional model is installed. The chassis has a hybrid structure using a lot of non-magnetic aluminum and further reduces the effect of the environmental noise factors such as vibrations. The inputs are RCA an XLR, the mutual exclusion inputs. The custom made concentric dual volume knob which is common to STAX products and RCA PARALLEL OUT functions are installed same as the conventional driver units.

The clear and highly transparent sound, a feature of the vacuum tube circuit and the warm and wide sound texture is maintained and the thickness of the low-mid range is brushed up. This is the new choice for the combination with the advanced lambda series (SR-L300/SR-L500 MK2/SR-L700 MK2).

Who is this for?

The Stax SRM-500T Earspeaker Driver Unit is a mid-class vacuum tube driver, featuring a Stax custom-made low-noise DUAL FET on the first stage paired with a vacuum tube output stage. It suits listeners wanting to explore what tube amplification can bring to their electrostatic system.

It's well suited to pairing with Stax's mid-tier earspeakers, such as the SR-L500 or SR-L500 MkII, for a system with a warmer, more organic character than a solid-state driver unit alone.

It's a strong choice for listeners who have already tried a solid-state driver unit like the SRM-400S and want to hear what tube amplification adds to their electrostatic system.

Frequently Asked Questions

In contrast to its solid-state sibling, SRM-500T tends to be more placid, although still worth your while if you like the valve/tube sound that so many people prefer. Ditto for playback of vinyl collections in less than mint condition. I’d recommend you give it a proper audition, making sure that you first plug in the most affordable headphones and then work upwards for as long as the improvements in sound justify the price increments.