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£1,245
| Type | All-stage FET con๏ฌguration DC ampli๏ฌcation driver unit |
| Frequency response | DC โ 90kHz (with one SR-L500 MK2) |
| Gain | 60dB |
| Harmonic distortion | 0.01% or less (1kHz/100Vrms output) |
| Input impedance | 50k ฮฉ (RCA), 50k ฮฉ x 2 (XLR) |
| Maximum output voltage | 400Vrms (1kHz) |
| Bias voltage | DC 580V |
| Operating temperature / humidity | 0 to 35 degrees C / less than 90% (non condensing) |
| Input terminal | RCA x 1, XLR x 1(mutual exclusion input) |
| Output | RCA parallel output terminal |
| Power consumption | 30W |
| Dimension | 195 (W) x 102 (H) x 376 (D) mm (maximum protruding portion included) |
| Weight | 3.4kg |
STAX custom-made low noise DUAL FET is installed on First Stage. And FET is also installed on Last Stage. The characteristics of right FET and left FET are measured strictly. Selected FET are installed as well as SRM-700S. SRM-400S succeeds to the design and the manufacturing method of the high end model SRM-700S, the amplifier which FET are installed in all stages.
In addition to the conventional power transformer for the high voltage circuit, the newly designed power transformer with the winding for the low voltage circuit is installed in SRM-400S. The low voltage winding enables to improve the power efficiency and achieve further power saving and better sound quality than the conventional driver units such as SRM-353X.
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 and 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. All electric components are strictly selected considering the environment. Also the sound quality and the performance is improved. The complete DC ampli๏ฌer con๏ฌguration that the signal circuit includes no coupling condensers is one of the biggest traditional features.
SRM-400S takes over the high resolution sound which is unique to the semiconductor circuit and dynamic low range sound reproduction. Simultaneously, the good sound balance is further pursued than SRM-353X. From the low range to the high range, the sound of each range is well harmonized. Not only for the combination with the advanced lambda series, SRM-400S is also ideal for the upgrading from the entry level SRS-3100. This is the promising new model which covers from beginners to intermediates among the renewed driver unit lineup.
| Colour | Silver |
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As a company our primary goal is to provide a seamless service that results in customer satisfaction. We aim to deliver within 3 working days. Unfortunately, there may be occasions where this time frame may not be met due to unforeseen circumstances; in this instance, we deliver product/s as soon as we can. All delivery charges are included within the prices quoted, unless otherwise specified.
All small items are usually delivered between 9am and 6pm, on a Monday to Friday, unless a Saturday delivery is requested. Follow My Parcel is an industry-changing innovation from DPD Local, which will give your customers unparalleled levels of information and peace of mind.Not only will your customers receive a one hour delivery timeslot, but theyโll now also be able to track the progress of their parcels on a map as our drivers make their way to the delivery addresses. Follow My Parcel will:
